AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesTechnology, Industry, AgricultureHumanitiesInformation ScienceHealth Care
MitesMite InfestationsTetranychidaePyroglyphidaeAcariAntigens, DermatophagoidesSarcoptes scabieiAcaridaeDermatophagoides pteronyssinusScabiesArthropod ProteinsAllergensDermatophagoides farinaeAcaricidesTick ControlDustPsoroptidaeVarroidaeImmunoglobulin ERhinitis, Allergic, PerennialInverted Repeat SequencesHypersensitivitySkin TestsHousehold ArticlesFloors and FloorcoveringsBeesPredatory BehaviorBedding and LinensAsthmaCockroachesEncyclopedias as TopicAnimals, DomesticCitrusFruitSilverSharksCitrus sinensisDrosophilaDrosophila ProteinsDrosophila melanogasterArchivesSoftwareSpidersBathsKnowledge BasesSpider VenomsHostaHazardous WasteHazardous SubstancesBirdsTarsTobacco ProductsAquatic Organisms
Mites: Any arthropod of the subclass ACARI except the TICKS. They are minute animals related to the spiders, usually having transparent or semitransparent bodies. They may be parasitic on humans and domestic animals, producing various irritations of the skin (MITE INFESTATIONS). Many mite species are important to human and veterinary medicine as both parasite and vector. Mites also infest plants.Mite Infestations: Infestations with arthropods of the subclass ACARI, superorder Acariformes.Tetranychidae: Family of spider MITES, in the superfamily Tetranychoidea, suborder Trombidiformes.Pyroglyphidae: Family of house dust mites, in the superfamily Analgoidea, order Astigmata. They include the genera Dermatophagoides and Euroglyphus.Acari: A large, subclass of arachnids comprising the MITES and TICKS, including parasites of plants, animals, and humans, as well as several important disease vectors.Antigens, Dermatophagoides: Antigens from the house dust mites (DERMATOPHAGOIDES), mainly D. farinae and D. pteronyssinus. They are proteins, found in mite feces or mite extracts, that can cause ASTHMA and other allergic diseases such as perennial rhinitis (RHINITIS, ALLERGIC, PERENNIAL) and atopic dermatitis (DERMATITIS, ATOPIC). More than 11 groups of Dermatophagoides ALLERGENS have been defined. Group I allergens, such as Der f I and Der p I from the above two species, are among the strongest mite immunogens in humans.Sarcoptes scabiei: A species of mite that causes SCABIES in humans and sarcoptic mange in other animals. Specific variants of S. scabiei exist for humans and animals, but many have the ability to cross species and cause disease.Acaridae: Family of MITES, in the superfamily Acaroidea, order Astigmata. They are frequently found in cereal-based foodstuffs including GRAIN and FLOUR.Dermatophagoides pteronyssinus: Species of European house dust mite, in the family PYROGLYPHIDAE. It is the most commonly found house dust mite.Scabies: A contagious cutaneous inflammation caused by the bite of the mite SARCOPTES SCABIEI. It is characterized by pruritic papular eruptions and burrows and affects primarily the axillae, elbows, wrists, and genitalia, although it can spread to cover the entire body.Arthropod Proteins: Proteins synthesized by organisms belonging to the phylum ARTHROPODA. Included in this heading are proteins from the subdivisions ARACHNIDA; CRUSTACEA; and HORSESHOE CRABS. Note that a separate heading for INSECT PROTEINS is listed under this heading.Allergens: Antigen-type substances that produce immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE).Dermatophagoides farinae: Species of American house dust mite, in the family PYROGLYPHIDAE.Acaricides: A pesticide or chemical agent that kills mites and ticks. This is a large class that includes carbamates, formamides, organochlorines, organophosphates, etc, that act as antibiotics or growth regulators.Tick Control: Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant infestations which result in tick-borne diseases. It includes the veterinary as well as the public health aspects of tick and mite control.Dust: Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)Psoroptidae: Family of parasitic MITES, in the superfamily Sarcoptoidea, order Astigmata. Genera include Psoroptes and Chorioptes.Varroidae: A family of MITES in the subclass ACARI. It includes the single genus Varroa.Immunoglobulin E: An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE).Rhinitis, Allergic, Perennial: Inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year. The causes are usually air-borne allergens, particularly dusts, feathers, molds, animal fur, etc.Inverted Repeat Sequences: Copies of nucleic acid sequence that are arranged in opposing orientation. They may lie adjacent to each other (tandem) or be separated by some sequence that is not part of the repeat (hyphenated). They may be true palindromic repeats, i.e. read the same backwards as forward, or complementary which reads as the base complement in the opposite orientation. Complementary inverted repeats have the potential to form hairpin loop or stem-loop structures which results in cruciform structures (such as CRUCIFORM DNA) when the complementary inverted repeats occur in double stranded regions.Hypersensitivity: Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.Skin Tests: Epicutaneous or intradermal application of a sensitizer for demonstration of either delayed or immediate hypersensitivity. Used in diagnosis of hypersensitivity or as a test for cellular immunity.Household Articles: Various material objects and items in the home. It includes temporary or permanent machinery and appliances. It does not include furniture or interior furnishings (FURNITURE see INTERIOR DESIGN AND FURNISHINGS; INTERIOR FURNISHINGS see INTERIOR DESIGN AND FURNISHINGS).Floors and Floorcoverings: The surface of a structure upon which one stands or walks.Bees: Insect members of the superfamily Apoidea, found almost everywhere, particularly on flowers. About 3500 species occur in North America. They differ from most WASPS in that their young are fed honey and pollen rather than animal food.Predatory Behavior: Instinctual behavior pattern in which food is obtained by killing and consuming other species.Bedding and Linens: Articles of cloth, usually cotton or rayon and other synthetic or cotton-blend fabrics, used in households, hospitals, physicians' examining rooms, nursing homes, etc., for sheets, pillow cases, toweling, gowns, drapes, and the like.Asthma: A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL).Cockroaches: Insects of the order Dictyoptera comprising several families including Blaberidae, BLATTELLIDAE, Blattidae (containing the American cockroach PERIPLANETA americana), Cryptocercidae, and Polyphagidae.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Animals, Domestic: Animals which have become adapted through breeding in captivity to a life intimately associated with humans. They include animals domesticated by humans to live and breed in a tame condition on farms or ranches for economic reasons, including LIVESTOCK (specifically CATTLE; SHEEP; HORSES; etc.), POULTRY; and those raised or kept for pleasure and companionship, e.g., PETS; or specifically DOGS; CATS; etc.Citrus: A plant genus of the family RUTACEAE. They bear the familiar citrus fruits including oranges, grapefruit, lemons, and limes. There are many hybrids which makes the nomenclature confusing.Fruit: The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds.Silver: Silver. An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.Sharks: A group of elongate elasmobranchs. Sharks are mostly marine fish, with certain species large and voracious.Citrus sinensis: A plant species of the genus CITRUS, family RUTACEAE that provides the familiar orange fruit which is also a source of orange oil.Drosophila: A genus of small, two-winged flies containing approximately 900 described species. These organisms are the most extensively studied of all genera from the standpoint of genetics and cytology.Drosophila Proteins: Proteins that originate from insect species belonging to the genus DROSOPHILA. The proteins from the most intensely studied species of Drosophila, DROSOPHILA MELANOGASTER, are the subject of much interest in the area of MORPHOGENESIS and development.Drosophila melanogaster: A species of fruit fly much used in genetics because of the large size of its chromosomes.ArchivesSoftware: Sequential operating programs and data which instruct the functioning of a digital computer.Spiders: Arthropods of the class ARACHNIDA, order Araneae. Except for mites and ticks, spiders constitute the largest order of arachnids, with approximately 37,000 species having been described. The majority of spiders are harmless, although some species can be regarded as moderately harmful since their bites can lead to quite severe local symptoms. (From Barnes, Invertebrate Zoology, 5th ed, p508; Smith, Insects and Other Arthropods of Medical Importance, 1973, pp424-430)Baths: The immersion or washing of the body or any of its parts in water or other medium for cleansing or medical treatment. It includes bathing for personal hygiene as well as for medical purposes with the addition of therapeutic agents, such as alkalines, antiseptics, oil, etc.Knowledge Bases: Collections of facts, assumptions, beliefs, and heuristics that are used in combination with databases to achieve desired results, such as a diagnosis, an interpretation, or a solution to a problem (From McGraw Hill Dictionary of Scientific and Technical Terms, 6th ed).Spider Venoms: Venoms of arthropods of the order Araneida of the ARACHNIDA. The venoms usually contain several protein fractions, including ENZYMES, hemolytic, neurolytic, and other TOXINS, BIOLOGICAL.Hosta: A plant genus of the family LILIACEAE. Members contain steroidal saponins.Hazardous Waste: Waste products which threaten life, health, or the environment when improperly treated, stored, transported, disposed of, or otherwise managed.Hazardous Substances: Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.Birds: Warm-blooded VERTEBRATES possessing FEATHERS and belonging to the class Aves.Tars: Viscous materials composed of complex, high-molecular-weight compounds derived from the distillation of petroleum or the destructive distillation of wood or coal. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Tobacco Products: Substances and products derived from NICOTIANA TABACUM.Aquatic Organisms: Organisms that live in water.

Evidence for suppressed activity of the transcription factor NFAT1 at its proximal binding element P0 in the IL-4 promoter associated with enhanced IL-4 gene transcription in T cells of atopic patients. (1/644)

Allergen-specific T cells in atopic patients are polarized IL-4-producing Th2 cells, promoting IgE synthesis by B cells. The molecular basis for increased IL-4 gene expression in atopy is not fully understood. IL-4 gene regulation in general involves the nuclear factor of activated T cells (NFAT) family of transcription factors, of which NFAT1 and NFAT2 are most prominent in peripheral T cells. Recently, a unique inhibitory role of NFAT1 in IL-4 gene control was shown in the mouse. In a series of electrophoretic mobility shift assays with protein extracts of highly polarized Th2 clones from atopics and Th1 clones from controls we compared DNA-binding activities at the two NFAT-binding elements P0 and P1 of the crucial proximal human IL-4 promoter. At the most proximal P0 site, NFAT-containing complexes devoid of NFAT2 were readily inducible in the Th1 clones, but hardly or not in the Th2 clones. In contrast, both in Th1 and Th2 clones NFAT-containing complexes were strongly inducible at the P1 site, consisting of NFAT2 and a P0-compatible NFAT activity, without apparent differences between Th1 and Th2 clones. Like in Th2 clones, suppressed NFAT-P0 complex formation was observed also at the polyclonal level in peripheral blood mononuclear cells (PBMC) of three of five severe atopic dermatitis patients with strongly elevated serum IgE levels, but not in control PBMC. These findings suggest that high-level IL-4 production in atopic Th2 cells is associated with selective reduction of suppressive NFAT1 activity at the IL-4 P0 element and that some patients with this multifactorial disease may have a putative systemic disorder at this level.  (+info)

Role of the indoor environment in determining the severity of asthma. (2/644)

Allergen exposure can confound the management of asthma. To understand the potential mechanisms by which allergens increase the steroid requirements in atopic asthmatics, we examined the effects of allergens on glucocorticoid receptor (GCR) binding affinity and glucocorticoid (GC) responsiveness of peripheral blood mononuclear cells (PBMC) from atopic asthmatics. A significant reduction (p < 0.001) in the GCR binding affinity (Kd) was observed in ragweed-allergic asthmatics during ragweed pollen season compared with PBMC obtained before and after ragweed season. In vitro effects of allergen on PBMC GCR Kd were also examined by incubating PBMC from atopic asthmatics with allergen (ragweed and cat) versus Candida albicans. GCR binding affinity was significantly reduced after incubation with ragweed (p < 0.001) or cat allergen (p < 0.001) compared with baseline or C. albicans stimulation. This effect was limited to atopic asthmatics in that in vitro cat allergen incubation for 48 h failed to significantly alter GCR binding affinity in nonasthmatic, atopic individuals. These allergen-induced reductions in GCR binding affinity also rendered the PBMC less sensitive to the inhibitory effects of hydrocortisone and dexamethasone on allergen-induced proliferation (p < 0.01). To test the hypothesis that allergen-induced alterations in GCR binding affinity were cytokine-induced, we examined the effects of interleukin-2 (IL-2) and IL-4 neutralization using anticytokine antibodies. Addition of both anti-IL-2 and anti-IL-4 antibodies resulted in a significant (p < 0.001) inhibition of allergen-induced alterations in GCR binding affinity. Furthermore incubation with cat allergen induced significantly higher concentrations of IL-2 (p = 0.03) and IL-4 (p = 0.02) by PBMC from atopic as compared with nonatopic subjects. Our current observations suggest that allergen exposure may contribute to poor asthma control by reducing GCR binding affinity in mononuclear cells. This appears to be mediated through IL-2 and IL-4. These findings may have important implications for novel approaches to the treatment of poorly controlled asthma.  (+info)

Effect of dampness at home in childhood on bronchial hyperreactivity in adolescence. (3/644)

BACKGROUND: Relatively little is known about risk factors for the persistence of asthma and respiratory symptoms from childhood into adolescence, and few studies have included objective measurements to assess outcomes and exposure. METHODS: From a large cross sectional study of all 4th grade school children in Munich (mean age 10.2 years), 234 children (5%) with active asthma were identified. Of these, 155 (66%) were reinvestigated with lung function measurements and bronchial provocation three years later (mean age 13.5 years). RESULTS: At follow up 35.5% still had active asthma. Risk factors for persisting asthma symptoms in adolescence were more severe asthma (OR 4.94; CI 1.65 to 14.76; p = 0.004) or allergic triggers (OR 3.54; CI 1.41 to 8.92; p = 0.007) in childhood. Dampness was associated with increased night time wheeze and shortness of breath but not with persisting asthma. Risk factors for bronchial hyperreactivity in adolescence were bronchial hyperreactivity in childhood (p = 0.004), symptoms triggered by allergen exposure (OR 5.47; CI 1.91 to 25.20; p = 0.029), and damp housing conditions (OR 16.14; CI 3.53 to 73.73; p < 0.001). In a subgroup in whom house dust mite antigen levels in the bed were measured (70% of the sample), higher mite antigen levels were associated with bronchial hyperreactivity (OR per quartile of mite antigen 2.30; CI 1.03 to 5.12; p = 0.042). Mite antigen levels were also significantly correlated with dampness (p = 0.05). However, the effect of dampness on bronchial hyperreactivity remained significant when adjusting for mite allergen levels (OR 5.77; CI 1.17 to 28.44; p = 0.031). CONCLUSION: Dampness at home is a significant risk factor for the persistence of bronchial hyperreactivity and respiratory symptoms in children with asthma. This risk is only partly explained by exposure to house dust mite antigen.  (+info)

Sensitivity and exposure to indoor allergens in adults with differing asthma severity. (4/644)

In asthma, it is uncertain whether there is an association between degrees of exposure to domestic allergens and asthma severity. The pattern of sensitivity and exposure to common indoor allergens was examined in subjects with differing asthma severity. Sensitivity to house dust mite, dog and cat allergen and exposure to Der p 1, Can f 1 and Fel d 1 were assessed by skin prick tests and settled dust analysis in 28 subjects with severe asthma and 28 age- and sex-matched subjects with mild asthma (two declined skin prick test). All severe asthmatic subjects had at least one positive skin test and 20 of the 28 subjects were positive to all three allergens. Fourteen of the 26 subjects with mild asthma who took skin prick tests were positive to at least one, and one of these subjects was positive to the three allergens tested. Except for bedroom Fel d 1, the proportion of severe asthmatics both sensitized and exposed to each allergen at each site was significantly greater than the proportion sensitized and exposed in the mild asthma group. The geometric mean allergen concentrations, with the exception of bedroom Fel d 1, were greater in sensitized severe asthmatics than the sensitized mild asthmatics, which was significant for Der p 1 in bedroom samples and Can f 1 in bedroom and living room samples. These results support an association between the degrees of domestic allergen exposure in sensitized individuals and asthma severity.  (+info)

Production of recombinant Der fI (a major mite allergen) by Aspergillus oryzae. (5/644)

Der fI is a major mite allergen. To produce Der fI by Aspergillus oryzae, we placed a DNA fragment encoding precursor-type recombinant Der fI E(-1)K (reDer fI E(-1) K), which had the C-terminal amino acid of the pro-sequence (Glu) changed to Lys, downstream of the glaA gene promoter and introduced it into Aspergillus oryzae. In liquid culture, most of the reDer fI E(-1)K produced by the transformants was degraded when culture was shaken vigorously. However, the degradation of reDer fI E(-1)K was suppressed when it was shaken gently. The processed reDer fI E(-1)K could be obtained after lysylendopeptidase and endoglycosidase Hf (Endo Hf) treatment. The yield of processed reDer fI E(-1)K was 8 mg/l. When the transformant was grown on a wheat bran culture, the yield of processed reDer fI E(-1)K reached 48 mg/kg. Because processed reDer fI E(-1)Ks obtained from both cultures had almost the same IgE-binding activity and elicited the same skin reaction as native Der fI, they could be very useful for diagnostic purposes or immunotherapy.  (+info)

IPD-1151T (suplatast tosilate) inhibits interleukin (IL)-13 release but not IL-4 release from basophils. (6/644)

The effect of suplatast tosilate (IPD-1151T), which is known to suppress interleukin (IL)-4 release from T cells, on the release of IL-4 and IL-13 from human peripheral basophils was investigated. Basophils were obtained from 16 mite-sensitive atopic asthmatic patients. IPD-1151T clearly inhibited the antigen-induced release of IL-13 but not IL-4. These results suggest that IPD-1151T possesses different activity for the regulation of cytokine release in basophils and T cells.  (+info)

A healthy home environment? (7/644)

Over the past seven years, the U.S. Environmental Protection Agency has consistently ranked indoor air pollution among the top five risks to public health. One of the most dangerous indoor air pollutants is carbon monoxide (CO). CO can be lethal, but perhaps more important, many people suffer ill health from chronic, often undetected exposure to low levels of this gas, resulting in fatigue, headache, dizziness, nausea, and vomiting. Another dangerous pollutant is volatile organic compounds (VOCs), which come from sources including building products, cleaning agents, and paints. One VOC, formaldehyde, can act as an irritant to the conjunctiva and upper and lower respiratory tract. Formaldehyde is also known to cause nasal cancer in test animals.  (+info)

Cloning and expression of Der f 6, a serine protease allergen from the house dust mite, Dermatophagoides farinae. (8/644)

House dust mite allergen is thought to be a major cause of asthma. Characterization of these allergen molecules is therefore an important step for the development of effective diagnostic and therapeutic agents against mite-associated allergic disorders. Here we report molecular cloning and expression of the group 6 (chymotrypsin-like) allergen from the house dust mite, Dermatophagoides farinae. Sequencing analysis indicates that cloned cDNA, designated Der f 6, encodes a 279 amino acid polypeptide which conserves a primary structure characteristic for chymotrypsin-like serine proteases found in mammals. Recombinant Der f 6 expressed in Escherichia coli bound IgE in a pool made of 20 sera, and induced histamine release from patients' peripheral blood cells.  (+info)

FDA approves Odactra for house dust mite allergies. - PharmacologyUpdateFDA approves Odactra for house dust mite allergies. - PharmacologyUpdate
March 1, 2017. The U.S. Food and Drug Administration today approved Odactra, the first allergen extract to be administered under the tongue (sublingually) to treat house dust mite (HDM)-induced nasal inflammation (allergic rhinitis), with or without eye inflammation (conjunctivitis), in people 18 through 65 years of age.. House dust mite allergies are a reaction to tiny bugs that are commonly found in house dust. Dust mites, close relatives of ticks and spiders, are too small to be seen without a microscope. They are found in bedding, upholstered furniture and carpeting. Individuals with house dust mite allergies may experience a cough, runny nose, nasal itching, nasal congestion, sneezing, and itchy and watery eyes.. Odactra exposes patients to house dust mite allergens, gradually training the immune system in order to reduce the frequency and severity of nasal and eye allergy symptoms.. It is a once-daily tablet, taken year round, that rapidly dissolves after it is placed under the ...
A mouse model for in vivo tracking of the major dust mite allergen Der p 2 after inhalation.A mouse model for in vivo tracking of the major dust mite allergen Der p 2 after inhalation.
Allergens/*immunology, Animals, Antigens; Dermatophagoides/*immunology, Bronchoalveolar Lavage Fluid/immunology, Desensitization; Immunologic, Disease Models; Animal, Female, Immunoglobulin E/immunology, Kidney/immunology/pathology, Leukocytes, Liver/immunology/pathology, Mice, Mice; Inbred C57BL, Mites/*immunology, Pneumonia/*immunology/pathology, Pulmonary Eosinophilia/immunology/pathology, Radioallergosorbent Test, Research Support; Non-U.S. Govt, Respiratory Hypersensitivity/*immunology/pathology, Selenium Radioisotopes ...
High rate of house dust mite sensitization in a shrimp allergic southern Ontario population / دانلود فایل | ژورنال اصلی BioMed...High rate of house dust mite sensitization in a shrimp allergic southern Ontario population / دانلود فایل | ژورنال اصلی BioMed...
Abstract Background Shrimp and house dust mite (HDM) allergies are common in Canadians. Often, both of these allergies occur in the same patient. This may be due to homology of tropomyosin or other potentially shared proteins. The aim of our study was to assess the frequency of house dust mite sensitization in a shrimp allergic Canadian population. Methods We undertook a retrospective chart review of shrimp allergic patients at an outpatient allergy clinic in Kitchener, Ontario, Canada. Our primary endpoint was to assess for presence of HDM sensitization in this population. Patients were categorized into approximate quartiles. We assessed the severity of the shrimp reactions, correlated shrimp skin test size to HDM skin test size, and measured the proportion of patients with atopic symptoms. Results We identified 95 shrimp allergic patients who were tested for house dust mite. 86 (90.5%) of these patients had a positive skin test to HDM. Patients with a shrimp skin test ≥5 mm were 5.31 times ...
Dust mites on wool fabric, SEM - Stock Image C032/1517 - Science Photo LibraryDust mites on wool fabric, SEM - Stock Image C032/1517 - Science Photo Library
Coloured scanning electron micrograph (SEM) of Dust mites (Dermatophagoides sp.) on wool fabric. Millions of dust mites inhabit the home, feeding on dead human skin that are common in house dust. The mites body is in three parts: the gnathosoma (head region) adapted for feeding on dead skin, the propodosma (carrying the 1st and 2nd pair of walking legs) and the hysterosoma (locating the 3rd and 4th pairs of legs). Dust mites produce 10-20 waste particles per day. The dead bodies and faecal pellets can trigger allergic responses. The whole life cycle from egg to adult takes approximately one month to complete, mature female mites can lay from 1-2 eggs per day. Adult mites can live up to two months. The most important house dust mites worldwide are Dermatophagoides farinae and Dermatophagoides pteronyssinus. Magnification: mites x25, fabric x44 when shortest axis printed at 25 millimetres. - Stock Image C032/1517
Specific profiles of house dust mite sensitization in children with asthma and in children with eczema | ScholarBank@NUSSpecific profiles of house dust mite sensitization in children with asthma and in children with eczema | [email protected]
Sensitization to house dust mites (HDM) is highly prevalent among the young atopic population in Singapore. Previously published data suggest that individuals with skin allergies show preferred sensitization to Dermatophagoides pteronyssinus while individuals with pure respiratory allergies show preferred sensitization to Blomia tropicalis. The aim of our study was to compare the sensitization profiles between children with asthma and those with eczema to D. pteronyssinus and B. tropicalis and their specific allergens. A total of 60 children, 30 with asthma and 30 with eczema were recruited. IgE levels specific for a panel of HDM allergens from the two mite species were measured using enzyme-linked immunosorbent assay. The asthma group showed highest sensitization to Blo t5 while the eczema group showed highest sensitization to Der p5. Comparison between the two disease groups showed that the eczema group had significantly higher IgE levels for Der p (p=0.042) and its allergens Der p1 (p=0.019) ...
Fur mite PCR test for rodentsFur mite PCR test for rodents
Some mites parasitize animals, including man; others are scavengers. Some mites feed on plants, and many prey on insects and other arthropods. In fact, there are nearly as many different types of mites as there are insects. Rodent and bird mites may bite people when they jump onto people. Three types of rodent mites readily bite humans: the house mouse mite (Liponyssoides saguineus), spiny rat mite (Laelaps echidnina) and tropical rat mite (Ornithonyssus bacoti).. The house mouse mite has a worldwide distribution but is more common in the northeastern United States. The house mouse mite normally sucks the blood of mice, but will also bite rats and people, often causing a rash around the bite. These mites prefer warm places where rodents live. The spiny rat mite feeds on rats at night and hides by day in cracks and crevices around rat nests and resting places. The spiny rat mite is the most common mite occurring on Norway rats and roof rats in the U.S. It is not a known vector of pathogens. The ...
Mites of domestic animals - WikipediaMites of domestic animals - Wikipedia
Mites that infest and parasitize domestic animals cause disease and loss of production. Mites are small invertebrates, most of which are free living but some are parasitic. Mites are similar to ticks and both comprise the order Acari in the phylum Arthropoda. Mites are highly varied and their classification is complex; a simple grouping is used in this introductory article. Vernacular terms to describe diseases caused by mites include scab, mange, and scabies. Mites and ticks have substantially different biology from, and are classed separately from, insects (the class Insecta). Mites of domestic animals cause important types of skin disease, and some mites infest other organs. Diagnosis of mite infestations can be difficult because of the small size of most mites, but understanding how mites are adapted to feed within to the structure of the skin is useful. The life-cycle of mites begins with eggs are laid on the vertebrate animal host or within the nest or environment of the host. From the egg ...
Dust mite, SEM - Stock Image C032/1527 - Science Photo LibraryDust mite, SEM - Stock Image C032/1527 - Science Photo Library
Coloured scanning electron micrograph (SEM) of Dust mite (Dermatophagoides sp.). Millions of dust mites inhabit the home, feeding on dead human skin that are common in house dust. The mites body is in three parts: the gnathosoma (head region) adapted for feeding on dead skin, the propodosma (carrying the 1st and 2nd pair of walking legs) and the hysterosoma (locating the 3rd and 4th pairs of legs). Dust mites produce 10-20 waste particles per day. The dead bodies and faecal pellets can trigger allergic responses. The whole life cycle from egg to adult takes approximately one month to complete, mature female mites can lay from 1-2 eggs per day. Adult mites can live up to two months. The most important house dust mites worldwide are Dermatophagoides farinae and Dermatophagoides pteronyssinus. Magnification: x44 when shortest axis printed at 25 millimetres. - Stock Image C032/1527
House dust mite avoidance measures for perennial allergic rhinitis - Sheikh - 2007 - The Cochrane Library - Wiley Online LibraryHouse dust mite avoidance measures for perennial allergic rhinitis - Sheikh - 2007 - The Cochrane Library - Wiley Online Library
Seven trials satisfied the inclusion criteria. Of these, only two studies investigating the effectiveness of mite impermeable bedding covers were of good quality; the remaining five studies were small and of poor quality. Two trials investigated the efficacy of acaricides, another two trials investigated the role of high-efficiency particulate air filters; the remaining three trials investigated the efficacy of bedroom environmental control programmes involving use of house dust mite impermeable bedding covers. Six of the seven trials showed that the interventions result in significant reductions in house dust mite load when compared with control. Of the house dust mite interventions studied to date, acaricides appear to be the most promising type of intervention, although the findings from the two studies which employed these interventions need to be interpreted with care because of their methodological limitations. Use of house dust mite impermeable bedding as an isolated intervention is ...
Asthma and Dust Mites | The Childrens Allergy & Asthma Education CentreAsthma and Dust Mites | The Children's Allergy & Asthma Education Centre
Dust mites are a common cause of allergy problems. Dust mites live up to 4 months. Each female can lay 100 eggs. Dust mites eat dead skin flakes and produce waste called fecal pellets. One mite may produce 20 fecal pellets a day. The pellets remain long after the mite is gone. Allergy problems are mainly caused by these fecal pellets. Dust mites like to live in warm, moist places (temperature 20 to 25C, humidity above 50%). Anyone with a dust mite allergy should try to avoid them. This may decrease allergy problems and the need for medicine.. ...
dust mite allergy treatmentdust mite allergy treatment
A physician will normally direct an individual to take one of the listed medications to help nasal allergy symptoms: Antihistamines. Kill Mites with Low Humidity Natural Treatments for a Dust Allergy. An allergy test can help determine if you are allergic to dust mites. Electrostatic filters may be more effective in filtering out dust, mites and inhalant particles. If tests show that you are allergic to house dust mites, … Users should not, under any circumstances, stop or modify their prescribed dosage on account of the improvement or disappearance of allergic reactions during ALLERBED anti dust mite treatment without first consulting their allergy specialist or the GP who prescribed the medication. They need little water to survive (they absorb it through the air) and live off an endless supply of food that humans and pets produce on a daily basis. Allergy shots dust mites. The best way to prevent an allergic reaction is to avoid the substance that youre allergic to, although this is not ...
Will Flea & Tick Shampoo Kill Mites on Dogs? | CutenessWill Flea & Tick Shampoo Kill Mites on Dogs? | Cuteness
Each type of mite responds to different treatments. Demodex mites require a special dip or topical application of amitraz. Flea and tick shampoos containing amitraz will be effective in controlling demodex. Dogs with Sarcoptes scabei mites need medical attention by a veterinarian. Special prescription shampoos help treat the infestation of sarcoptes scabei mites along with oral antibiotics to treat secondary infections. Treatment for ear mites involves treating the ears for infection, yeast overgrowth and killing of the mites. Flea and tick shampoos with pyrethrin may kill mites that run to other parts of the dogs body. Cheyletiella mite can also be treated with flea and tick shampoos containing pyrethrin. However, a veterinarian should always inspect your dog to treat for any bacterial infections resulting from these mites.. ...
USFDA approves Odactra for house dust mite allergiesUSFDA approves Odactra for house dust mite allergies
The U.S. Food and Drug Administration approved Odactra, the first allergen extract to be administered under the tongue (sublingually) to treat house dust mite (HDM)-induced nasal inflammation (allergic rhinitis), with or without eye inflammation (conjunctivitis), in people 18 through 65 years of age.
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Background: Allergic sensitisation is a major risk factor for asthma in adults. In Sweden, pollens and furry animals are the main sensitisers, while mites play a minor role and often exists as co-sensitisation.. Aim: To study risk factors for mite sensitisation in Swedish adults.. Methods: Out of 18072 participants in the West Sweden Asthma Study, a random sample of 1472 aged 16-60 y were invited to skin prick testing (SPT) 2009-2012. SPTs covered 11 aeroallergens, including the mites D. pteronyssinus and D. farinae. Complete SPTs were performed in 788 subjects (58% women).. Results: The prevalence of any mite sensitisation was 12.6%, 11.3% to D. pteronyssinus and 9.6% to D. farinae. Physician-diagnosed asthma was seen in 12.1% and current wheeze in 23.6%. Sensitisation to pollens, animals and mites showed similar risk factor patterns, however mite sensitisation was also associated with work exposure to gas, dust and fumes (GDF), OR 2.0 (1.2-3.3) and low birth weight (,2500g, LBW) OR 1.9 (1.1- ...
Exposure to gas, dust, fumes ups risk of mite sensitizationExposure to gas, dust, fumes ups risk of mite sensitization
(HealthDay)-Occupational exposure to gas, dust, and fumes (GDF) increases the risk of mite sensitization, and is associated with asthma and wheeze in those who are mite-sensitized, according to a study published online Jan. 30 in Allergy.
Allergotropines for treatment of allergy caused by house dust mitesAllergotropines for treatment of allergy caused by house dust mites
The invention relates to medicine, namely to immunology, and relates to the treatment of Allergy to house dust mites.. Currently allergenspecific immunotherapy (ASIT), such as hay fever, is carried out as the method of subcutaneous injection (posit) and sublingual (classic). For injectable formulations using water-salt extracts (LFI) allergens, modified allergens (allergodil) and deposited allergens and Allergology. For classic use of water-salt extracts of allergens and Allergology.. Known water-salt extracts of allergens and allergodil for posit presented in the pharmaceutical market of domestic drugs: "Allergen from house dust for diagnosis and treatment", registration number 94/161/20, (Biomed. I. I. Mechnikov, Russia); "Allergen of the mite Dermatophagoides pteronissimus for diagnosis and treatment", registration number 89/686/16, (Biomed. I. I. Mechnikov, Russia); "the mite Allergen from Dermatophagoides farinae in diagnosis and treatment", registration died 92/203/19 (Biomed. I. I. ...
House dust mite test on wheezy toddlers predicts asthma in teen years - Healthcanal.comHouse dust mite test on wheezy toddlers predicts asthma in teen years - Healthcanal.com
Children aged one - two years with a family history of allergy, who had a positive skin prick test to house dust mites, had a higher risk of developing asthma later in life. Results showed 75 per cent of these children had asthma at aged 12 compared to 36 per cent of children without a positive skin prick test.. Lead author Dr Caroline Lodge from the University of Melbournes School of Population Health said the identification of house dust mites as a predictor for asthma in high risk children, is a significant step forward in identifying high risk groups on whom we can trial interventions.. "Our findings provide researchers with a more targeted group of at risk children, for investigating strategies to prevent asthma later in life," she said.. "House dust mite sensitivity amongst wheezy toddlers could be used as a clinical tool to assist parents in understanding the risk of asthma in their children.. "Although currently there is no known intervention to stop asthma developing, identifying ...
Molecular origins of allergy to house dust mites discovered: Department of Anesthesiology and Operative Intensive Care Medicine...Molecular origins of allergy to house dust mites discovered: Department of Anesthesiology and Operative Intensive Care Medicine...
The scientists found that IgE-antibodies against three dust mite molecules (Der p 1, Der p 2 and Der p 23) appeared very early in the childrens blood, often before the onset of their disease. In some (but not all) children, this first step was followed by a "cascade" of events involving other mite molecules, through a phenomenon defined as "molecular spreading". Children producing IgE to many molecules ("polymolecular sensitization") had a higher risk of developing allergic rhinitis and asthma. Earlier onset of allergic sensitization, high exposure to house dust mite allergens, and having one or both parents affected by hay fever increased the risk of polymolecular sensitization. Interestingly, healthy pre-school children showing IgE antibodies to Der p 1 or Der p 23 developed more frequently asthma at school age. These and other molecules may be used for disease prevention in early life and to precisely tailor allergen immunotherapy in pediatric and adult patients ...
dust mites - User Journalsdust mites - User Journals
dust mites - MedHelps dust mites Center for Information, Symptoms, Resources, Treatments and Tools for dust mites. Find dust mites information, treatments for dust mites and dust mites symptoms.
Flour mite - WikipediaFlour mite - Wikipedia
The flour mite, Acarus siro, a pest of stored grains, is one of many species of grain and flour mites. An older name for the species is Tyroglyphus farinae. The flour mite, which is pale greyish white in colour with pink legs, is the most common species of mite in foodstuffs. The males are from 0.33-0.43 millimetres (0.013-0.017 in) long and the female is from 0.36-0.66 mm (0.014-0.026 in) long. Flour mites contaminate grain and flour by allergens and they transfer pathogenic microorganisms. Foodstuffs acquire a sickly sweet smell and an unpalatable taste. When fed infested feeds, animals show reduced feed intake, diarrhea, inflammation of the small intestine, and impaired growth. Pigs have their live-weight gain, feed-to-gain ratio, and nitrogen retention markedly reduced by infested feeds. Flour mites are intentionally inoculated into Mimolette cheese to improve the flavor. When used for this purpose, they may be referred to as "cheese mites". If a person is bitten from a flour mite they might ...
Bird Mites | Horticulture and Home Pest NewsBird Mites | Horticulture and Home Pest News
There are several species of mites called bird mites. These include the northern fowl mite (very common), the chicken mite, the American bird mite and many others. These mites are parasites on birds and are usually found on the birds or in their nests. Thus, under normal circumstances, bird mites go unnoticed. However, on occasion, bird mites wander away from the bird nests and are found indoors as accidental invaders.
Asthma and Dust Mite Allergies in ChildrenAsthma and Dust Mite Allergies in Children
Does your child have a dust mite allergy? Asthma and Allergies Dust mites are one of the most common indoor allergens and can cause sneezing, coughing,
Mites and the implications on human healthMites and the implications on human health
VOGEL, Patricia; MORELO DAL BOSCO, Simone and JUAREZ FERLA, Noeli. Mites and the implications on human health. Nutr. Hosp. [online]. 2015, vol.31, n.2, pp.944-951. ISSN 1699-5198. http://dx.doi.org/10.3305/nh.2015.31.2.7772.. Introduction: The infestation by mites of stored products is of great economic importance and public health, with consequences to human health. Objectives: To describe the mite species associated to food and stored products that cause implications to human health as well as to analyze the loss of quality and nutritional composition of infested food. Method: Literature review in LILACS-BIREME, SciELO and MEDLINE databases for publications in English, Portuguese and Spanish with the descriptors "mites", "foods", "storage mites", "store product mites", "dust mites", "quality control", "quality foods", "chemical composition", "chemistry", "allergens" and "health". There were identified 80 articles, but only 55 were related to the objectives of the study. Sixteen references were ...
Comparative toxicity of pesticides in three phytoseiid mites with different life-style occurring in citrus: Euseius stipulatus,...Comparative toxicity of pesticides in three phytoseiid mites with different life-style occurring in citrus: Euseius stipulatus,...
Conservation and augmentative biological control strategies have been developed to take full advantage of the natural enemies that occur in Spanish citrus orchards. Among them, the predatory mites Euseius stipulatus, Neoseiulus californicus and Phytoseiulus persimilis play an important role in the biological control of tetranychid mites. However, these predatory mites are often affected by pesticides and information about the side-effects of these products against these beneficial arthropods is essential to guarantee their efficacy. The side-effects of some pesticides remain unknown and the primary aim of this study was to fill this gap. We have further used this information and that collected from other sources to compare the response of these three mite species to pesticides. Based on this information, E. stipulatus has the most tolerant species, followed by N. californicus and P. persimilis. Therefore, using E. stipulatus as an indicator species in citrus may have led to the paradox of ...
Red Mite - Identifying & Treating Red MiteRed Mite - Identifying & Treating Red Mite
... looks at how to find out if you have red mite and what to do to get rid of them from your housing.
Clover Mites | MU ExtensionClover Mites | MU Extension
The clover mite, Bryobia praetiosa Koch, is a tiny relative of spiders and ticks. Thousands of clover mites can appear during spring or fall, and they are often found crawling around windows or other areas of a house. Clover mites are distinguished from other species of household-invading mites by their reddish-green color and long front legs (Figure 1). The front legs are as long as the body and almost twice the length of the other legs. These distinguishing features can be seen with the aid of a magnifying glass.. Vast numbers of clover mites can invade a house through cracks and tiny openings around windows and doors. Clover mites do not bite people or pets and do not damage the house or furniture, but they can stain light-colored walls, carpet, fabrics or papers when crushed.. Clover mites are plant feeders, and obtain nutrients by sucking plant juices. They usually prefer clovers and lawn grasses but will also feed on certain ornamental shrubs and trees. An abundance of soil nutrients ...
Stallergenes Greer Submits a Marketing Authorisation Application in Europe for Its Sublingual House Dust Mite Allergen...Stallergenes Greer Submits a Marketing Authorisation Application in Europe for Its Sublingual House Dust Mite Allergen...
LONDON--(BUSINESS WIRE)-- Stallergenes Greer, a biopharmaceutical company specialising in treatments for respiratory allergies, announces the submission of a marketing authorisation application for STAGR320, its sublingual house dust mite (HDM) immunotherapy (SLIT) tablet, via a European decentralized procedure.
House Dust Mite Allergy and Asthma - Allergy Best BuysHouse Dust Mite Allergy and Asthma - Allergy Best Buys
You often hear people talking about being allergic to dust or that dust triggers their asthma symptoms. You might notice you have more symptoms when dust is disturbed - for example, when youre cleaning, moving furniture or making a bed. Or you might simply find your asthma symptoms are often worse indoors. However it
Naturals Remedies Ear Mite Lotion | Dog Ear Mites | Cat Ear Mites | Ear Mite Treatment | Horse Health USANaturals Remedies Ear Mite Lotion | Dog Ear Mites | Cat Ear Mites | Ear Mite Treatment | Horse Health USA
Naturals Remedies Ear Mite Lotion is a fragrance-free and non-greasy natural formula that safely and effectively eliminates ear mites.For use on dogs, cats, rabbits and horses (8 weeks of age or older). Eliminates ear mite infestations. May be applied to prevent ear mites. Gentle formula is easy on pets ears. Fragrance-free. Non-greasy. Cont
Effect of an Allergen Vaccine in Patients With Allergic Rhino-Conjunctivitis and Asthma Due to House Dust Mite Allergy - Full...Effect of an Allergen Vaccine in Patients With Allergic Rhino-Conjunctivitis and Asthma Due to House Dust Mite Allergy - Full...
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies. ...
Effect of an Allergen Vaccine in Patients With Allergic Rhino-Conjunctivitis and Asthma Due to House Dust Mite Allergy - No...Effect of an Allergen Vaccine in Patients With Allergic Rhino-Conjunctivitis and Asthma Due to House Dust Mite Allergy - No...
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details ...
Ear Mites Treatment Merced CA - Ear mites treatment, Merced CA cat ear mites treatment, Merced CA ear mites remedies, Merced...Ear Mites Treatment Merced CA - Ear mites treatment, Merced CA cat ear mites treatment, Merced CA ear mites remedies, Merced...
Ear mites can infest cats ear canals and cause itchy ears and other symptoms. This is a condition that can often be treated at home with ear mite home remedies. Cat ear mite treatment and remedies involve a topical insecticide applied in the cats ear with a dropper. See below for pet stores in Merced, CA that provide expert resources on ear mites treatment.
Ear Mites Treatment Gonzales LA - Ear mites treatment, Gonzales LA cat ear mites treatment, Gonzales LA ear mites remedies,...Ear Mites Treatment Gonzales LA - Ear mites treatment, Gonzales LA cat ear mites treatment, Gonzales LA ear mites remedies,...
Ear mites can infest cats ear canals and cause itchy ears and other symptoms. This is a condition that can often be treated at home with ear mite home remedies. Cat ear mite treatment and remedies involve a topical insecticide applied in the cats ear with a dropper. See below for pet stores in Gonzales, LA that provide expert resources on ear mites treatment.
Dust Mite Allergens : Welcome to Allergy Mattress Covers, Allergy BeddingDust Mite Allergens : Welcome to Allergy Mattress Covers, Allergy Bedding
Welcome to Allergy Mattress Covers : Dust Mite Allergens - Allergen Barrier Bedding Breathable Barrier Bedding Hayfever and Asthma Travel Protection & Accessories Allergy Mattress Covers, Allergy Bedding , Best allergy bedding, Allergen bedding , Allergen Barrier Bedding, NHS allergy consultant, Nhs allergy consultant Recommended, Best allergy mattress covers, Rhinitis Allergy, Hay Fever Window filter, Window filter
Insects | Free Full-Text | Reduced Diversity in the Bacteriome of the Phytophagous Mite Brevipalpus yothersi (Acari:...Insects | Free Full-Text | Reduced Diversity in the Bacteriome of the Phytophagous Mite Brevipalpus yothersi (Acari:...
Tenuipalpidae comprises mites that transmit viruses to agriculturally important plants. Several tenuipalpid species present parthenogenesis, and in Brevipalpus yothersi, the endosymbiont Cardinium has been associated with female-only colonies. It is unclear what the bacterial composition of B. yothersi is, and how common Cardinium is in those microbiomes. We performed a comparative analysis of the bacteriomes in three populations of B. yothersi and three additional Tetranychoidea species using sequences from V4-fragment of 16S DNA. The bacteriomes were dominated by Bacteroidetes (especially Cardinium) and Proteobacteria, showing a remarkably low alpha diversity. Cardinium was present in about 22% of all sequences; however, it was not present in R. indica and T. evansi. In B. yothersi, the proportion of Cardinium was higher in adults than eggs, suggesting that proliferation of the bacteria could be the result of selective pressures from the host. This hypothesis was further supported because colonies of
Category:Mesostigmata - Wikimedia CommonsCategory:Mesostigmata - Wikimedia Commons
Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Cladus: Ecdysozoa • Phylum: Arthropoda • Cladus: Arachnomorpha • Subphylum: Chelicerata • Classis: Arachnida • Subclassis: Acari • Superordo: Parasitiformes • Ordo: Mesostigmata (Evans, G.O. 1957)? ...
House-Dust Mite Protei Nase Allergens and Their Interaction with the Bronchial Epithelium - Asthma and Rhinitis, Second Edition...House-Dust Mite Protei Nase Allergens and Their Interaction with the Bronchial Epithelium - Asthma and Rhinitis, Second Edition...
Robinson, C., Wan, H., Winton, H. L., Herbert, C. A., Ring, P. C. and Garrod, D. R. (2000) House-Dust Mite Protei Nase Allergens and Their Interaction with the Bronchial Epithelium, in Asthma and Rhinitis, Second Edition (eds W. W. Busse and S. T. Holgate), Blackwell Science Ltd, Oxford, UK. doi: 10.1002/9780470694923.ch3 ...
Mattress covers do not help dust mite allergies, study says | Fox NewsMattress covers do not help dust mite allergies, study says | Fox News
Based on two dozen clinical trials, U.S. researchers find that expensive mattress covers make no difference in reducing dust mite allergies or their symptoms.
Cloning and sequencing of a cDNA expressing a recombinant house dust mite protein that binds human IgE and corresponds to an...Cloning and sequencing of a cDNA expressing a recombinant house dust mite protein that binds human IgE and corresponds to an...
A cDNA clone coding for a mite allergen of mol wt approximately 14,000 has been isolated and its DNA sequence determined. The native component from mite extracts encoded by this DNA was identified by immunoprobing blots of mite body extract with human IgE eluted from the electroblotted cloned fusion polypeptides derived from the expressed cDNA clone. The clone encodes a polypeptide with a deduced mol wt of 17,460. The deduced amino acid sequence was not homologous to any known protein sequences and it contains no cysteine or tryptophan. On blots, 21 of 38 sera from mite-allergic subjects recognized the cloned material, and this recognition strongly correlated with IgE-binding to the native component on protein blots of mite extract. ...
Parasitic MitesParasitic Mites
... Rodent Mites Fowl Mites Chicken Mites Human Scabies or Itch Mite People who live or work in structures that are rat infested or that house…
RESPIRAR - TO BREATHE - Publicaciones por paísesRESPIRAR - TO BREATHE - Publicaciones por países
Allerg Immunol (Paris). 2005 May;37(5):163-8.. Korea. Yoo Y, Ko HK, Han JJ, Lee Y, Seo KJ, Choung JT, Tockgo YC, Choe JG. The prevalence of atopy and asthma among university freshmen in Seoul, Korea: association with obesity.J Asthma. 2007 Jan-Feb;44(1):45-9.. Kim YK, Park HW, Park HS, Kim HY, Kim SH, Bai JM, Cho SH, Kim YY, Min KU. Sensitivity to citrus red mite and the development of asthma. Ann Allergy Asthma Immunol. 2000 Dec;85(6 Pt 1):483-8.. Lee MH, Cho SH, Park HS, Bahn JW, Lee BJ, Son JW, Kim YK, Koh YY, Min KU, Kim YY. Citrus red mite (Panonychus citri) is a common sensitizing allergen among children living around citrus orchards. Ann Allergy Asthma Immunol. 2000 Sep;85(3):200-4.. Singapur. Zuraimi MS, Tham KW, Chew FT, Ooi PL, David K. Home exposures to environmental tobacco smoke and allergic symptoms among young children in Singapore.Int Arch Allergy Immunol. 2008;146(1):57-65. Epub 2007 Dec 14.. von Mutius E.Prevalence and severity of asthma, rhinitis, and eczema in Singapore ...
Mold Mites | Horticulture and Home Pest NewsMold Mites | Horticulture and Home Pest News
Mold mites comprise a large group of similar species that are quite difficult to tell apart. Common members in this group of tiny mites include the cheese mite, flour mite, and grain mite. They are also known as tyroglyphid mites.
Effect of Exogenous Methyl Jasmonate on Numerical Growth of the Population of the Two-Spotted Spider Mite (Tetranychus Urticae...Effect of Exogenous Methyl Jasmonate on Numerical Growth of the Population of the Two-Spotted Spider Mite (Tetranychus Urticae...
PAN Czytelnia Czasopism, Effect of Exogenous Methyl Jasmonate on Numerical Growth of the Population of the Two-Spotted Spider Mite (Tetranychus Urticae Koch.) on Strawberry Plants and Young Apple Trees - Journal of Plant Protection Research
ORBi: Browsing ORBiORBi: Browsing ORBi
Poster (2010, October 14). The phytophagous two-spotted spider mite Tetranychus urticae Koch is a ubiquitous species, present worlwide on a large variety of plant families. Since T. urticae resistance spread rapidly, biological ... [more ▼]. The phytophagous two-spotted spider mite Tetranychus urticae Koch is a ubiquitous species, present worlwide on a large variety of plant families. Since T. urticae resistance spread rapidly, biological control tactics are crucial to manage spider mite populations. In this respect, plant-derived essential oil products are a good alternative as they are, in general, considered as minimum-risk pesticides. In that context, laboratory experiments were conducted to assess the toxicity of essential oil of Deverra scoparia endemic plant to North Africa on females of the two spotted spider mite T. urticae (Koch). Essential oil was distillated from fresh leaves from D. scoparia and was sprayed on groups of adults females. The susceptibility of these females to D. ...
An investigation of the control of mite populations (Tetranychus urticae Koch) resistant to organo-phosphatesAn investigation of the control of mite populations (Tetranychus urticae Koch) resistant to organo-phosphates
Although spider mites have been reported as pests only since the late 19th Century (Titus, 1905, seen in Leigh, 1963), they appear to have been a pest problem whenever crops have been grown since earliest human cultures. The control of spider mites, however, was not a great problem to agriculturalists until two decades ago. The pest of orchards which is the so-called European red mite or fruit tree red spider mite, Panonychus Metatetranychus) ulmi Koch (= Paratetranychus pilosus C. & F.) had been noticed in various parts of the world, in particular in England and America, during the past fifty or sixty years. From about 1920 another mite of possibly even greater economic significance developed as a pest. This is the two-spotted spider mite or the glasshouse red spider mite or red carmine mite, Tetranychus urticae Koch (= T. Telarius L., T. Bimaculatus Harvey and T. Althaeae Hanstein). The damage caused by these pests, compared with that inflicted by other plant parasites, was of secondary ...
Soybean Research & Information Initiative - Two-spotted Spider MitesSoybean Research & Information Initiative - Two-spotted Spider Mites
Two-spotted spider mites (Tetranychus urticae) are present in soybean crops every year, but they are not often a significant problem.
twospotted spider mite - Tetranychus urticae Kochtwospotted spider mite - Tetranychus urticae Koch
Overwintering mites may be reduced in numbers by the destruction of weeds such as pokeweed, Jerusalem oak, Jimson weed, wild blackberry, wild geranium and others. Insecticidal soaps and oils should be carefully considered when a pesticide is required. They are effective against mites and the least toxic to people, other non-target organisms and the environment. The effectiveness of laundry soaps, washing detergents, and vegetable oils is less consistent than with chemical pesticides. Although some growers have been quite pleased with the results of non-insecticidal quality soap and oil use, some have been disappointed. Also, plant varieties differ in their susceptibility to burning induced by soaps and oils. Environmental conditions, as well as micronutrients, fertilizers, and other additives may affect a tendency to burn foliage. At higher rates of application, (2%), burning and stunting are more likely (Capinera 1992). The twospotted spider mite develops a resistance to most acaricides after ...
Scouting for Mites, Part II - Greenhouse Product NewsScouting for Mites, Part II - Greenhouse Product News
One of the keys to a successful scouting program is being ableto accurately identify the pests and diseases you come in contact with. Thefollowing is a review of the most prevalent greenhouse mites.. Two-spotted Spider Mite (Tetranychus urticae): The two-spotted spider mite is the most commonlyencountered greenhouse mite. Less than a millimeter in size, the two-spottedspider mite normally has two distinct spots on each side of the body beginningat the forward part of the body and ending just beyond half of the body length.The larval stage has six legs, whereas adults have eight. Spider mites canattack virtually every ornamental crop, including most species of foliageplants.. Indications of mite damage include a stippling or mottling,yellowing or bronzing of foliage causing early leaf drop. Where severe infestationsexist, plants may be covered with the characteristic webbing produced by thesemites, thus the term spider mite.. Spider mite infestations occur most often during hot, dryconditions and ...
Do Tetranychus urticae males avoid mating with familiar females? | Journal of Experimental BiologyDo Tetranychus urticae males avoid mating with familiar females? | Journal of Experimental Biology
The two-spotted spider mite Tetranychus urticae usually lives in kin groups under common webs. Since only the first mating results in fertilisation in female T. urticae, adult males guard quiescent deutonymph females, those at the stage immediately before maturation, to ensure paternity. Therefore, the cost of precopulatory guarding time seems considerable for males. Moreover, the fitness indices of daughters from intra-population crosses were significantly lower than those of daughters from inter-population crosses, indicating that inbreeding depression exists in T. urticae. Therefore, we hypothesised that T. urticae males should be choosy in guarding familiar females to avoid inbreeding depression. Furthermore, webs should be a key element of the environment shared by familiar individuals. In this study, we demonstrated the inbreeding avoidance mechanism of T. urticae males in relation to webs produced by familiar females (known webs) or unfamiliar females (unknown webs). Regardless of ...
New Findings Showing Spider Mites Are Susceptible to Bacterial Infection Could Benefit Agriculture - Science and Technology...New Findings Showing Spider Mites Are Susceptible to Bacterial Infection Could Benefit Agriculture - Science and Technology...
Spider mites injure plants by piercing cells and sucking out their contents, causing damage to leaves which then lose photosynthetic surface as feeding continues. Water loss can get out of control and both photosynthetic rate and leaf water status decline with increasing levels of spider mite injury.. Populations of mites are held in check by weather, host quality and natural predators. The last being far less effective during drought or very hot spells. Many of the extremely important predatory mite species responsible for keeping spider mite numbers below damaging levels do not function well in high temperatures. They will often leave the plant for leaf litter or other cooler and more protected areas, and become dormant.. In addition to spider mites being well-adapted and quick to develop pesticide resistance, often within a growing season, pesticides worsen the problem by destroying the predatory mite populations, thus eliminating the natural controls on the spider mite species and allowing ...
China Kawalan Amitraz Tetranychid Dan Eriophyid Mite ManufacturersChina Kawalan Amitraz Tetranychid Dan Eriophyid Mite Manufacturers
China Kawalan Amitraz Tetranychid Dan Eriophyid Mite dengan berkualiti tinggi Borong, Leading Kawalan Amitraz Tetranychid Dan Eriophyid Mite Manufacturers & Suppliers, mencari Kawalan Amitraz Tetranychid Dan Eriophyid Mite Factory & Exporters, Kawalan Amitraz Tetranychid Dan Eriophyid Mite untuk dijual.
Plant Responses to Phytophagous Mites/Thrips and Search for Resistance | Frontiers Research TopicPlant Responses to Phytophagous Mites/Thrips and Search for Resistance | Frontiers Research Topic
Phytophagous mites and thrips are important pests in many agricultural crops worldwide, representing a real threat to the agricultural production. Among the arthropods, they are phylogenetically distant, but both classes harbor species ranging from highly specialized to extremely polyphagous. They are specialized on feeding from epidermal or mesophyll tissues by means of stylets, even though their feeding modes have evolved independently. Both species are small and they often occupy similar niches in the plants boundary layer.More than 6,000 species of plant feeding mites are known worldwide, forming an integral and important part of the natural ecosystem. Among them, the two-spotted spider mite (Tetranychus urticae) is a cosmopolitan agricultural pest with an extensive host range feeding on cell contents of over 1,100 plant species, including more than 150 crops. Furthermore, many mites are also vectors of plant viruses responsible globally for spread virus pathogens of cereals and grasses, fruit
Chigger Mite (Acari: Trombiculidae) Survey of Rodents in Shandong Province, Northern ChinaChigger Mite (Acari: Trombiculidae) Survey of Rodents in Shandong Province, Northern China
Scrub typhus, transmitted by larval chigger mites, is endemic in the Asia-Pacific region [20-23]. A total of 10,860 chigger mites collected from small mammals in South Korea were identified as only 8 species belonging to 4 genera [4], and a survey in Japan identified a total of 16,369 individual chigger mites belonging to only 10 species and 3 genera [3]. In contrast, the species diversity of chigger mites in China is much higher than the diversity cited in reports on chigger mites in other Asian countries, with , 400 chigger mite species that vary among the different provinces. For example, 18, 12, 15, and 41 chigger mite species were collected from small mammals (A. agrarius, R. norvegicus, M. musculus, C.triton, Rattus flavipectus, and Apodemus speciosus) from Liaoning, Jilin, Heilongjiang, and Hubei Provinces, respectively [24]. To date, at least 17 chigger mite species, belonging to 6 genera and 3 families have been identified from Shandong Province [25,26]. The present investigation ...
E-GEOD-49981 - Reciprocal transcriptional responses in the interaction between Arabidopsis thaliana and Tetranychus urticae. -...E-GEOD-49981 - Reciprocal transcriptional responses in the interaction between Arabidopsis thaliana and Tetranychus urticae. -...
While pathogen-induced immunity is comparatively well characterized, far less is known about plant defense responses to arthropod herbivores. To date, most molecular-genetic studies of plant-arthropod interactions have focused on insects. However, plant-feeding (phytophagous) mites are also pests of diverse plants, and mites induce different patterns of damage to plant tissues than do well-studied insects (e.g., Lepidopteran larvae or aphids). The two-spotted spider mite, Tetranychus urticae, is among the most significant mite pests in agriculture. T. urticae is an extreme generalist that has been documented on a staggering number of plant hosts (more than 1,100), and is renowned for the rapid evolution of pesticide resistance. To understand reciprocal interactions between T. urticae and a plant host at the molecular level, we examined mite herbivory using Arabidopsis thaliana. Despite differences in feeding guilds, we found that transcriptional responses of A. thaliana to mite herbivory generally
The effect of essential oils showing acaricidal activity against the poultry red mite (Dermanyssus gallinae) on aspects of...The effect of essential oils showing acaricidal activity against the poultry red mite (Dermanyssus gallinae) on aspects of...
The effect of essential oils showing acaricidal activity against the poultry red mite (Dermanyssus gallinae) on aspects of welfare and production of laying ...
Ovicidal effects of certain pesticides on the two spotted spider mite, Tetranychus urticae and the predacious mite, Amblyseius...Ovicidal effects of certain pesticides on the two spotted spider mite, Tetranychus urticae and the predacious mite, Amblyseius...
Ovicidal effects of certain pesticides on the two spotted spider mite, Tetranychus urticae and the predacious mite, Amblyseius gossipi ( Acari: Tetranychidae: Phytoseiidae ...
IgE and IgG binding of peptides expressed from fragments of cD...IgE and IgG binding of peptides expressed from fragments of cD...
IgE and IgG binding of peptides expressed from fragments of cDNA encoding the major house dust mite allergen Der p I.: Large peptides expressed from cDNA fragme
Transalpine Redemptorists at home: Biological Warfare!Transalpine Redemptorists at home: Biological Warfare!
An annual problem in the Papa Stronsay greenhouse is the Red Spider Mite (Tetranychus urticae). This mite is very small and reproduces rapidly. It feeds on the cell-material of all kinds of plants, killing the cells on which they feed. When gathered in their hundreds-of-thousands, you can imagine the havoc they can wreak in the greenhouse! We do not use chemical sprays in our greenhouse, so each year we have to introduce a second mite, Phytoseiulus persimilis, which is the natural arch-enemy of the Red Spider Mite. It can be ordered online, and arrives in the post! ...
Bird Mites Pest Control - Ecoguard Termite and pest managementBird Mites Pest Control - Ecoguard Termite and pest management
Bird Mites are parasites that can be seen on avian species or pet birds. Bird mites are oval in shape and less than 1mm long. They have 8 legs, hence are very mobile in nature. They spread from feathered creature to winged creature and rapidly turn into a major issue both for your pet bird and your home. Bird mites are extremely normal and can be effectively treated, however finding out the bird mite infestation is a challenging task. These creatures tend to multiply until they drop from the birds body and move from the confine into specific ranges of your home. The bird mites take a residence in the carpets, bed sheets and covers. Hold on, these mites just do not irritate the birds alone but, also bite human beings. If your home is affected by bird mite infestation, be prepared to be bitten by them if you do not treat the infestation at the earliest. ...
Oribatid mites (Acari: Oribatida) from Austrocedrus chilensis and Nothofagus forests of Northwestern Patagonia (Argentina)Oribatid mites (Acari: Oribatida) from Austrocedrus chilensis and Nothofagus forests of Northwestern Patagonia (Argentina)
This dataset contains the digitized treatments in Plazi based on the original journal article Kun, Marcelo E., Martínez, Pablo A., Gonzalez, Alda (2010): Oribatid mites (Acari: Oribatida) from Austrocedrus chilensis and Nothofagus forests of Northwestern Patagonia (Argentina). Zootaxa 2548: 22-42, DOI: 10.5281/zenodo.196766 ...
Dust mite | definition of dust mite by Medical dictionaryDust mite | definition of dust mite by Medical dictionary
Looking for online definition of dust mite in the Medical Dictionary? dust mite explanation free. What is dust mite? Meaning of dust mite medical term. What does dust mite mean?
Data from: Phoretic Poecilochirus mites specialise on their burying beetle hosts - DryadData from: Phoretic Poecilochirus mites specialise on their burying beetle hosts - Dryad
Recurring species interactions can cause species to adapt to each other. Specialization will increase the fitness of symbionts in the coevolved association but may reduce the flexibility of symbiont choice as it will often decrease fitness in interactions with other than the main symbiont species. We analyzed the fitness interactions between a complex of two cryptic mite species and their sympatric burying beetle hosts in a European population. Poecilochirus mites (Mesostigmata, Parasitidae) are phoretic on burying beetles and reproduce alongside beetles, while these care for their offspring at vertebrate carcasses. While Poecilochirus carabi is typically found on Nicrophorus vespilloides beetles, P. necrophori is associated with N. vespillo. It has long been known that the mites discriminate between the two beetle species, but the fitness consequences of this choice remained unknown. We experimentally associated both mite species with both beetle species and found that mite fitness suffered ...
Burst expansion, distribution and diversification of MITEs in the silkworm genome | BMC Genomics | Full TextBurst expansion, distribution and diversification of MITEs in the silkworm genome | BMC Genomics | Full Text
Miniature inverted-repeat transposable elements (MITEs) are widespread in plants and animals. Although silkworm (Bombyx mori) has a large amount of and a variety of transposable elements, the genome-wide information of the silkworm MITEs is unknown. We used structure-based and homology approaches to search for MITEs in the silkworm genome. We identified 17 MITE families with a total of 5785 members, accounting for ~0.4% of the genome. 7 of 17 MITE families are completely novel based on the nucleotide composition of target site duplication (TSD) and/or terminal inverted repeats (TIR). Silkworm MITEs were widely and nonrandom distributed in the genome. One family named BmMITE-2 might experience a recent burst expansion. Network and diversity analyses for each family revealed different diversification patterns of the silkworm MITEs, reflecting the signatures of genome-shocks that silkworm experienced. Most silkworm MITEs preferentially inserted into or near genes and BmMITE-11 that encodes a germline
Spider Mites: A Mite-y Problem - Witherspoon Rose CultureSpider Mites: A Mite-y Problem - Witherspoon Rose Culture
Mites are the third member of the team that is out to get your garden (fungus, insects, mites). These critters are a difficult problem once they are established, but there are steps that can be taken to ensure they don't get comfortable in the rose garden. The mite that we deal with most often is the Two Spotted Spider Mite. Spider Mites are in the arachnid family and are almost invisible to the naked eye. They can easily be seen with a magnifying glass and unfortunately the results of their feeding on your roses can be seen easily with the naked eye. Spider Mite Symptoms Generally leaves will lose their brilliant green color and become faded and brown. You can often see their webbing on the underside of the leaves. The underside of the leaves will also look dusty because of the dirt and debris that get caught in their webs. What Can I Do? Keep the roses watered - The best way to avoid any issue is to keep your roses healthy. In the heat of the summer rose bushes need 5 gallons
Biological Control Solutions forBiological Control Solutions for
Two-spotted mite, Tetranychus urticae (see Sheet 300), is the most common spider mite in plantscapes; it feeds on a wide range of plants. Citrus red mite, Panonychus citri, is less common, has a smaller host range, but can be damaging when it occurs; in addition to citrus, this mite attacks palms, figs, ginger and bananas. In plantscapes, spider mites are often a problem on foliage in the warmest and driest areas, such as in summer at the top of tall plants nearest the glass. Their feeding causes white stippling on the leaves and, in severe infestations, the leaves turn brown and collapse. ...
House dust mite allergen in pillows | The BMJHouse dust mite allergen in pillows | The BMJ
In December 1995 we took dust samples from nine pairs of pillows and analysed them for Der p I. Each pair consisted of one feather filled pillow and one filled with polyester fibre; these had been used together on the same adult bed for more than six months to ensure that the environmental exposures of the pillows in each pair were similar. The pillow fillings were encased in closely woven cotton fabric. Two of the subjects in our study slept with the polyester filled pillow on top, four with the feather filled pillow on top, and three had no preference. We took dust samples with a portable Hitachi CV-2500 vacuum cleaner with a sock attachment, vacuuming each pillow for three minutes on each side, a total of six minutes per pillow. We sieved the dust collected to remove fluff and large particles and weighed the resulting fine dust. We then analysed this dust for Der p I content using monoclonal antibody enzyme linked immunosorbent assay (ELISA).2 The between batch coefficient of variation of the ...
Drought Stress Promotes Spider Mite InjuryDrought Stress Promotes Spider Mite Injury
Bruce Potter and Ken Ostlie (University of Minnesota) developed a rating scale to help make treatment decisions:. 0 no spider mites or injury observed. 1 minor stippling on lower leaves and no premature yellowing observed. 2 stippling common on lower leaves and small areas on scattered plants with yellowing observed. 3 heavy stippling on lower leaves with some stippling progressing into the middle canopy and leaf yellowing and some leaf loss observed; mites scattered in the middle and top canopy [Economic threshold]. 4 lower leaf yellowing readily apparent and leaf drop common; stippling, webbing and mites common in the middle canopy; mites and minor stippling present in upper canopy [Economic injury]. 5 lower leaf loss common and yellowing moving to the middle canopy; stippling and distortion of upper leaves common; mites in upper canopy observed.. Organophosphates are the recommended insecticidal chemistry for twospotted spider mite control (e.g., dimethoate and chlorpyrifos). Most pyrethroids ...
Teenage acne and demodex - Women Health Info BlogTeenage acne and demodex - Women Health Info Blog
Almost all teens get acne during teenage years. According to some studies, 90% of teenage acne is caused by Demodex mites (so called "face mites") and that only 10% is caused by bacteria. It can be explained by increased production of sebum by sebaceous glands during teenage years (between 13 and 19) when sebum clogs pores. During this period of life teenagers experience dramatic hormonal fluctuations which make face skin ideal breeding ground for Demodex mites and teenage acne.. Demodex mites are tiny microbial insects that live in the skin (in the hair follicles) of nearly every person. Demodex mites can live on any body parts wherever there are hair roots and sebaceous glands. They are most prevalent in the facial area (nose, forehead, chin and cheeks) - facial area has the most favorable living and breeding conditions and provides the optimum temperature for mites to thrive. Often Demodex mites become more aggressive when the immune system is weakened (stress, diseases, infections). Usually ...
Canine Ear Mites SymptomsCanine Ear Mites Symptoms
Prevention of ear mites is an important process to avoid the hassle and pain of a mite infestation. Maintaining healthy dog ear hygiene is one way to prevent the spread of ear mites. Flea treatments containing ivermectin, fipronil or selamectin also help to prevent parasites like ear mites. All animals in your home should be treated with these medications to prevent the spread of parasites should one animal become infected. If your dog does become infested your veterinarian will wash the ears out and prescribe a medication such as dog ear drops or an ear wash with insecticide. These medications clean out the ear canal and kill any ear mites living off ear wax and debris. Your dogs bedding should also be washed to eliminate any remaining mites, though these parasites do not live long without a host. ...
Spider mites active on vegetables | Morning Ag ClipsSpider mites active on vegetables | Morning Ag Clips
Stippling consists of small light-colored spots in the leaves. These are often grouped in small patches when spider mite populations are low and can cover large portions of the plant when infestations are high. Spider mites can produce silk, which gives rise to their name spider mites. This webbing isnt noticeable when populations are low, but as mites increase in number, webbing may be seen between leaf petioles and stems or leaflets. Mites feeding on fruit with their piercing sucking mouthparts cause similar stippling, which is sometimes referred to as gold flecking on tomatoes.. ...
Two-spotted mite, Tetranychus urticae Koch, life cycle :: DSIR Life Cycle SheetsTwo-spotted mite, Tetranychus urticae Koch, life cycle :: DSIR Life Cycle Sheets
This work is licensed under the Creative Commons Attribution-NonCommercial 3.0 New Zealand (CC BY-NC 3.0 NZ) Licence, see https://creativecommons.org/licenses/by-nc/3.0/nz/ ...
Dust Allergy - HayMaxDust Allergy - HayMax
A dust mite allergy is in fact a reaction to proteins in the excretion of the dust mites. Yes, thats right, youre allergic to dust mite poo.. All homes in the UK have dust mites, but due to their tiny size (around 0.25-0.3mm) and translucent bodies they are almost invisible to the naked eye (dont worry - unless you have a dust mite allergy, they are harmless).. When the allergenic proteins are breathed in or make contact with the skin of an allergic person, their body reacts with symptoms - wheezing, sneezing, runny nose and soreness and redness of the skin and eyes.. Dust mites thrive in warm humid environments, our beds being one of their favourite spots. We spend about a third of our day in bed, shedding skin cells and creating moisture with our breath and bodies which the microscopic mites need to live on.. ...
Three new species of phytoseiid mites (Acari: Phytoseiidae) from BrazilThree new species of phytoseiid mites (Acari: Phytoseiidae) from Brazil
LOFEGO, Antonio C.; MORAES, Gilberto J. de and MCMURTRY, James A.. Three new species of phytoseiid mites (Acari: Phytoseiidae) from Brazil. An. Soc. Entomol. Bras. [online]. 2000, vol.29, n.3, pp.461-467. ISSN 0301-8059. http://dx.doi.org/10.1590/S0301-80592000000300008.. Three new species of phytoseiid mites from Brazil are described: Amblyseius neochiapensis sp. n. from Manihot sp. and Amblyseius bahiensis sp. n. from unidentified plant, both collected in the State of Bahia, and Typhlodromalus feresi sp. n. from Mabea sp. collected in the State of São Paulo.. Keywords : Taxonomy; Amblyseius; Typhlodromalus; mite; predator. ...
Nose mite | definition of nose mite by Medical dictionaryNose mite | definition of nose mite by Medical dictionary
Looking for online definition of nose mite in the Medical Dictionary? nose mite explanation free. What is nose mite? Meaning of nose mite medical term. What does nose mite mean?
The effects of mite parasitism on the reproduction and survival of the Taiwan field mice ( Apodemus semotus ) | Zoological...The effects of mite parasitism on the reproduction and survival of the Taiwan field mice ( Apodemus semotus ) | Zoological...
The effects of parasitism on host survival and reproduction can be highly complex depending on the type of parasites, host sex and life-history characteristics, and ecological conditions. In this study, we tested sex-biased parasitism from Trombiculid mites (Acarina: Trombiculidae) and their sex-specific effects on host reproduction and survival, in a natural population of the Taiwan field mouse (Apodemus semotus). We performed surveys of A. semotus and their Trombiculid mites between April 2010 and August 2011 and again between June and September 2012 in a subtropical evergreen forest in Taiwan. Contrary to the commonly reported male-biased parasitism in mammals, we did not find sex-biased parasitism in A. semotus. We found that mite abundance was negatively associated with A. semotus reproduction and survival in both males and females. The mite abundance and rodent reproduction fluctuated seasonally, and the peak reproductive season coincided with the time period of relatively low mite abundance.
Long-Term Effects of Allergen Sensitization and Exposure in Adult Asthma: A Prospective Study | World Allergy Organization...Long-Term Effects of Allergen Sensitization and Exposure in Adult Asthma: A Prospective Study | World Allergy Organization...
That exposure to high levels of house dust mite allergen was associated with deteriorating BHR was not an unexpected finding. House dust mite allergens include a number of proteases and trypsins that may disrupt cell membranes and have direct pro-inflammatory actions, and they also mediate airway inflammation through IgE activation [21]. They may therefore contribute to the persistence of airway inflammation over time, and perhaps a consequent increase in bronchial hyperresponsiveness.. Early-life exposure to dogs is associated with a reduced likelihood of developing asthma in children,[22] but there are no data for adults with asthma. It is interesting therefore that we have found an association between exposure to high levels of dog allergen and improvement of BHR. We considered the possibility that subjects may have gotten rid of their dog between visits, but even after controlling for this, we discovered that the association remained the same. It is also possible that dog ownership per se ...
Vacuum Cleaners Can Make Us Sick - ONEjive.comVacuum Cleaners Can Make Us Sick - ONEjive.com
The creatures commonly called dust mites are in fact two different species of arachnids: Dermatophagoides pteronyssus and Dermatophagoides farinae. These insect are about 0,3 mm long and they are related to spiders. The number of dust mites increases at the end of spring, in the summer and at the beginning of the fall, because the air inside homes becomes more moist when the heating system is off. During the winter the air becomes drier as soon as the homes begin being heated, and these circumstances are not favourable for dust mites. Dust mites feed on dead human skin cells; therefore they occur in large numbers in areas where dead skin cells are abundant: bed sheets, pillows, furniture, throws, carpets and plush toys. The feces of dust mites break into microscopical particles, they become airborne, and cause allergic reactions if they are inhaled or reach the skin. Among household allergens, dust mite feces cause respiratory allergies the most often.. Our respiratory system is the part of the ...
Within-plant migration of the predatory mite Typhlodromalus aripo from the apex to the leaves of cassava: Response to day-night...Within-plant migration of the predatory mite Typhlodromalus aripo from the apex to the leaves of cassava: Response to day-night...
Under attack by herbivores, plants produce a blend of "herbivore-induced plant volatiles (HIPV)" that help natural enemies of herbivores locating their prey, thereby helping plants to reduce damage from herbivory. The amount of HIPV emitted by plants increases with herbivore density and is positively correlated with the intensity of the olfactory response of natural enemies. In this study, we determined the effects of density or within-plant distribution of the herbivorous mite Mononychellus tanajoa on movement of the predatory mite Typhlodromalus aripo out of apices of cassava plants. Proportions of T. aripo that migrated out of apex, and distances traveled were significantly higher when M. tanajoa was further away from the apex-i.e. on middle or bottom leaves of cassava plants-than when present on top leaves, or absent from the plant. This supports previous field observations that T. aripo is not a sit-and-wait predator but uses HIPV to search and locate its prey within cassava plant ...
Reducing Dust, Lead, Dust Mites, Bacteria, and Fungi in Carpets by Vacuuming | SpringerLinkReducing Dust, Lead, Dust Mites, Bacteria, and Fungi in Carpets by Vacuuming | SpringerLink
Old carpets may be reservoirs of dust, lead (Pb), and dust mite allergen. The purpose of this study was to determine if the dust, Pb, dust mite allergen, bacteria, and fungi on the surface of...
Spider Mites On Tomatoes - Knowledgebase Question - Garden.orgSpider Mites On Tomatoes - Knowledgebase Question - Garden.org
Spider mites are best controlled with a daily blast of water from the hose. (Mites like dusty plants.) The humidity from the extra water also helps the plant. If possible, spray early in the morning, before the sun gets too hot. If mites are actually on the plants, try an insecticidal soap. Good luck ...
Predator Mites. 500 per container [IN194] - Pest & Disease Control - Gardening & Hydroponics Store - Horticulture SourcePredator Mites. 500 per container [IN194] - Pest & Disease Control - Gardening & Hydroponics Store - Horticulture Source
Predator Mites. 500 per container Predator Mites (PER 500 MITES). Special order. For Controlling Spider Mites. Use natural control whenever possible. Not Available in Hawaii. Note: Ground shipping for live items is not sufficient. Please select Next Day (if Alaska or East Coast) or 2nd Day (West Coast Only) to insure you get them alive. No returns accepted on live items. Predator Mites. 500 per container [IN194] - Pest & Disease Control - Gardening & Hydroponics Store -
Houston, We Mite Have a ProblemHouston, We Mite Have a Problem
Human beings are the one and only host of this ubiquitous mite (a). In fact, these two mites are considered to be the most common ectoparasite of humans (d). Women tend to be the main beneficiary of these minute bugs, with a male:female ratio of 2:5 (c). Sorry, ladies. The rate of infestation seems to be correlated with age, with 84% of people at age 60 harboring mites and increasing to 100% in those 70 years and older (e). Whether those that are immunocompromised are more susceptible to higher infestation rates is unknown, though some studies indicate that AIDs and leukemia patients may be more prone to greater than average numbers (c).. The mites may be found in the scalp, face and upper chest area, with D. folliculorum exhibiting a predilection for the hair follicles and D. brevis for the sebaceous ducts and meibomian glands at the rim of the eyelids (the sebaceous ducts transfer the waxy sebum that lubricates the skin and hair from the sebum glands; the meibonmian glands are a special type ...
Soot and house dust mite allergen cause eosinophilic laryngitis in an animal model. | Sigma-AldrichSoot and house dust mite allergen cause eosinophilic laryngitis in an animal model. | Sigma-Aldrich
Sigma-Aldrich offers abstracts and full-text articles by [Peter C Belafsky, Janice Peake, Suzette M Smiley-Jewell, Sunil P Verma, James Dworkin-Valenti, Kent E Pinkerton].
Mites in your follicles - BugBittenMites in your follicles - BugBitten
The two mite species are found in different locations within the hair follicle. Demodex folliculorum lives in the hair shaft and Demodex brevis lives deep within the sebaceous glands. The group considered D. folliculorum was more likely to move easily between people due to its location near the skin surface and chose this mite for further study.. We do not know exactly how rapidly these mites transfer from human to human but studying the genetic variation and linking this to the geographic location of their host human and the hosts ancestral migrations may help to elucidate this. Easy and rapid cross infestation would dissociate particular genetic variations from family migration histories, whereas, if variations are associated with distinct geographic regions this would imply lower rates of global gene flow.. A phylogeographical approach. A recent publication from the Palopoli group describes this phylogeographical approach. They took samples from 70 people, almost all living in the USA. These ...
Oziella sibirica (Acari: Eriophyoidea: Phytoptidae), a new eriophyoid mite species described using confocal microscopy, COI...Oziella sibirica (Acari: Eriophyoidea: Phytoptidae), a new eriophyoid mite species described using confocal microscopy, COI...
This dataset contains the digitized treatments in Plazi based on the original journal article Chetverikov, Philipp E., Beaulieu, Frédéric, Cvrković, Tatjana, Vidović, Biljana, Petanović, Radmila U. (2012): Oziella sibirica (Acari: Eriophyoidea: Phytoptidae), a new eriophyoid mite species described using confocal microscopy, COI barcoding and 3 D surface reconstruction. Zootaxa 3560: 41-60, DOI: 10.5281/zenodo.213624 ...
Effects of contrasting relative humidities on the cold tolerance of an Antarctic mite - NERC Open Research ArchiveEffects of contrasting relative humidities on the cold tolerance of an Antarctic mite - NERC Open Research Archive
Samples of adult Alaskozetes antarcticus, an Antarctic cryptostigmatid mite, were collected in winter and summer. In 4 separate experiments, mites were maintained under relative humidities in the range: 0, 26, 42, 55, 86 and 100% at 4°C. Changes in cold hardiness (measured as supercooling points, body water contents, cryoprotectants and percentage survival) and live weights were monitored for up to 93 days. Under saturated conditions, winter-collected mites showed a gradual loss of cold hardiness; with increased supercooling points, and substantial loss of glycerol. For mites kept in dry conditions (,55% r.h.), glycerol levels were relatively high, and supercooling points remained mainly unchanged, despite large decreases in live weight and body water content. Under desiccating conditions, glycerol accumulation was directly related to the rate of water loss. For summer-collected mites, rapid increases in cold hardiness occurred as a result of starvation, but the extent of these increases was ...
Demodex spp hair follicle mites - Parasites - ALPF Medical ResearchDemodex spp hair follicle mites - Parasites - ALPF Medical Research
There are two species of mites in the genus Demodex parasitic on humans, namely, D. folliculorum (in the hair follicles) (Figure 23.6 and D. brevis (in the sebaceous glands). Most people harbour these mites in the face, particularly around the nose. Older persons are more often infested than younger ones. The medical importance of the presence of Demodex is difficult to assess but most infestations appear to be benign and of no or little pathological significance. In rare cases, these mites are thought to be involved in the loss of eye-lashes and in granulomatous acne (Alexander 1984; Varma 1993).. ...
DUST MITE INFESTATIONS ARE FOUND IN 4 OUT OF 5 HOMES. GET RID OF THEM WITH THIS NATURAL SOLUTION! - Wise DiariesDUST MITE INFESTATIONS ARE FOUND IN 4 OUT OF 5 HOMES. GET RID OF THEM WITH THIS NATURAL SOLUTION! - Wise Diaries
Some signs you may have a dust mite infestation include sneezing, runny nose, red, itchy, or watery eyes, congestion, itchy nose, throat, or roof of the mouth, cough, facial pressure or pain, and swollen, blue skin located under the eyes. People who have asthma will experience difficulty breathing, chest pain, wheezing, trouble sleeping, and an increased susceptibility to colds. (source) ...
citrusrust(silver)mites - John Panzarella - Citrus Infocitrusrust(silver)mites - John Panzarella - Citrus Info
By John Panzarella. The second most abundant pest along the Texas Gulf Coast where I live that bother citrus is the rust mite Phyllocoptruta oleivora, sometimes called the silver mite on lemons and citrons. The mites can not be seen by the naked eye, but can be seen under a hand magnifier. When the rust mites are present they destroy the rind cells producing the rusty dripped look on all citrus other than lemons and citrons. On lemons and citrons they produce a silvery shark skin affect. They make the fruit skin dry and hard. Some say the fruit is a little sweeter if there is a mild attack on the fruit because of concentration of the fruit sugars, but a typical attack will produce fruit that is unattractive, hard to peel, dry, and un-sellable for the fresh fruit market. (Click picture to enlarge ...
Diplodia Ear RotDiplodia Ear Rot
Banks grass mites have blackish-green pigmentation extending the full length of the body. Banks grass mites appear earlier in the season on lower leaves, while two-spotted spider mites appear later in the season and may spread rapidly over the entire plant. (SOURCE: University of Nebraska, Management of Spider Mites in Corn, Bob Wright, Gary Hein, Jack Campbell, July 29, 1996 ...
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Mites of domestic animals - WikipediaMites of domestic animals - Wikipedia
Flour mite - WikipediaFlour mite - Wikipedia
dust mites - User Journalsdust mites - User Journals
Clover Mites | MU ExtensionClover Mites | MU Extension
Facts about dust mites | Health24Facts about dust mites | Health24
Mites and the implications on human healthMites and the implications on human health
mites Archives | The Weed Blogmites Archives | The Weed Blog
Mattress covers do not help dust mite allergies, study says | Fox NewsMattress covers do not help dust mite allergies, study says | Fox News
Mites: Wildlife Bed Bugs - - The Adirondack Almanack Mites: Wildlife Bed Bugs - - The Adirondack Almanack
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dust mite allergy treatmentdust mite allergy treatment
Work-related allergies to storage mites in Parma (Italy) ham workers | BMJ OpenWork-related allergies to storage mites in Parma (Italy) ham workers | BMJ Open
House dust mite avoidance measures for perennial allergic rhinitis - Sheikh - 2007 - The Cochrane Library - Wiley Online LibraryHouse dust mite avoidance measures for perennial allergic rhinitis - Sheikh - 2007 - The Cochrane Library - Wiley Online Library
mites | ScienceBlogsmites | ScienceBlogs
Mites - CSIROMites - CSIRO
Matrimony, mattresses and mites | New ScientistMatrimony, mattresses and mites | New Scientist
USDA APHIS | Insects and MitesUSDA APHIS | Insects and Mites
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Drosophila] mitesDrosophila] mites
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AllergenAllergensInfestationInfestationsAsthmaPestsSymptomsAllergiesAcariFowl miteTicksKills dust mitesInsectsParasitesSpiny rat miteDifferent types of mitesSpiderPopulationsBacotiSpecies of mitesDemodexMicroscopicInfest birdsEggsRodentMattressesFleasParticlesAllergy to dust miteParasiticTropical ratMattressDust Mite SprayReduce dust mitesPreventionBiteSensitization to mites
Allergen21
Allergens11
Infestation8
Infestations5
  • Diagnosis of mite infestations can be difficult because of the small size of most mites, but understanding how mites are adapted to feed within to the structure of the skin is useful. (wikipedia.org)
  • Chorioptes bovis infestations are found on cattle, sheep and horses but do not cause the severe reactions associated with Psoroptes mites. (wikipedia.org)
  • The house mouse mite, Liponyssoides sanguineus, may also be found in structures with house mouse infestations. (amazines.com)
  • Sparrows, starlings and pigeons are the birds most often associated with bird mite infestations in buildings. (iastate.edu)
  • This suggested to him (logically so) that immunity to the mites might develop, something that fits with the fact that ear mite infestations are more common in young animals. (kimberlymoynahan.com)
Asthma17
  • Children aged one - two years with a family history of allergy, who had a positive skin prick test to house dust mites, had a higher risk of developing asthma later in life. (healthcanal.com)
  • Lead author Dr Caroline Lodge from the University of Melbourne's School of Population Health said the identification of house dust mites as a predictor for asthma in high risk children, is a significant step forward in identifying high risk groups on whom we can trial interventions. (healthcanal.com)
  • House dust mite sensitivity amongst wheezy toddlers could be used as a clinical tool to assist parents in understanding the risk of asthma in their children. (healthcanal.com)
  • Researchers tested the children at the ages of one and two years, for single and multiple sensitivity to milk, egg, peanut, rye grass, cat and house hold dust mites and then again at the age of 12 for having asthma. (healthcanal.com)
  • We found in the children aged one - two years, that whatever the mix of sensitivity, if their skin reacted to house dust mites they had a higher chance of developing asthma later in life," Dr Lodge said. (healthcanal.com)
  • Our study did not show house dust mite caused asthma but it highlighted a strong correlation between sensitivity and more severe wheeze and asthma. (healthcanal.com)
  • HealthDay)-Occupational exposure to gas, dust, and fumes (GDF) increases the risk of mite sensitization, and is associated with asthma and wheeze in those who are mite-sensitized, according to a study published online Jan. 30 in Allergy . (medicalxpress.com)
  • The effect of GDF on asthma was modified by mite sensitization. (medicalxpress.com)
  • GDF correlated with physician-diagnosed asthma and wheeze in mite-sensitized subjects (adjusted odds ratios, 2.9 [95 percent confidence interval, 1.2 to 7.and 2.4 [95 percent confidence interval, 1.1 to 5. respectively). (medicalxpress.com)
  • However it's actually dust mites rather than dust itself that are troublesome for most asthmatics with 90% of people with asthma being sensitive to them. (allergybestbuys.co.uk)
  • If your asthma is triggered by dust mites, the best way to reduce asthma symptoms is to look after your asthma and make sure it's well managed, as this reduces the likelihood of you reacting to the dust mite droppings when you come into contact with them - they are impossible to avoid," says Dr Samantha Walker, Asthma UK's Research Director. (allergybestbuys.co.uk)
  • There is some evidence to suggest that children who are sensitised to house dust mites at an early age may go on to develop asthma. (purebiotics.co.nz)
  • If you suffer from asthma and are experiencing any of the above symptoms as well as difficulty breathing, pain or tightness in your chest, difficulty sleeping due to excessive coughing, or shortness of breath, then you may have a dust mite problem within your home. (purebiotics.co.nz)
  • Scientists at the Charité - Universitätsmedizin Berlin found which molecules of the house dust mites are initially targeted by the immune system of children developing, even years later, allergic rhinitis and asthma. (charite.de)
  • The discovery, published in the Journal of Allergy and Clinical Immunology *, will open up new avenues not only to novel and more precise therapies, but also to a successful prediction and prevention of chronic rhinitis and asthma caused or aggravated by allergy to house dust mites. (charite.de)
  • Atopy and house dust mite sensitization as risk factors for asthma in children. (stallergenesgreer.com)
  • Signs of dust mite allergy include asthma when you enter a dusty room or are dusting or vacuuming. (buteyko.co.nz)
Pests2
Symptoms5
Allergies4
Acari1
Fowl mite3
Ticks10
Kills dust mites2
Insects2
  • Second, as I read and fully believe the first commenter on this post, he obviously has a great depth of knowledge and understanding of insects & mites, wherein it is fascinating to read his comment and sense even he isn't fully certain what the mite and it's characteristics are. (whatsthatbug.com)
  • At the IgNobel ceremony, he recited a poem he had written about ear mites and then handed out a selection of dead insects to the audience. (kimberlymoynahan.com)
Parasites4
Spiny rat mite1
  • The spiny rat mite ( Laelaps echidnina ) will hide in areas near nests and resting areas of rats and feed by night. (thermapure.com)
Different types of mites2
Spider2
Populations5
  • However, the survival of larvae laid on their hosts or in nests of their hosts is high, and the life-cycle is short, so mite populations can expand rapidly under favorable conditions. (wikipedia.org)
  • An abundance of soil nutrients appears to be linked to clover mite populations. (missouri.edu)
  • Larger populations of clover mites are often associated with newly established lawns or old lawns that have been heavily fertilized. (missouri.edu)
  • Prevention is the most important step in controlling populations of clover mites. (missouri.edu)
  • Populations of mites in the soil under a dead body change over time, yielding clues to PMI and other forensic measurements, particularly when a body has been moved between death and discovery (Goff, 2000). (bugsinthenews.info)
Bacoti2
Species of mites2
Demodex10
Microscopic3
  • Sarcoptic mites as adults are microscopic, nearly circular in outline, and their legs are short, adapted for burrowing. (wikipedia.org)
  • PureBiotics® works at the microscopic level, which is perfect for targeting and eliminating dust mites. (purebiotics.co.nz)
  • After all, mites suffer from the same kind of neglect as nematodes, a large grouping of sub-and-near-microscopic worms that I've spent years studying. (bugsinthenews.info)
Infest birds2
  • Other common sarcoptic mites are in the genus Notoedres, and the genus Knemidokoptes (or Cnemidocoptes) which infest birds. (wikipedia.org)
  • Cheyletiella ("walking dandruff") mites may also infest birds, but are more frequently found on pets such as dogs, cats and rabbits. (thermapure.com)
Eggs4
  • The life-cycle of mites begins with eggs are laid on the vertebrate animal host or within the nest or environment of the host. (wikipedia.org)
  • Female clover mites lay bright red eggs in protected areas such as cracks and crevices, where they stay relatively dry. (missouri.edu)
  • Adult mites and eggs overwinter in protected areas. (missouri.edu)
  • It takes just three weeks for a mite to emerge from its egg and start producing eggs itself. (dogsandtreats.com)
Rodent3
  • If a pet bird or rodent is infested with mites, it should be treated by a veterinarian. (amazines.com)
  • Bird and rodent mites normally live on the host or in their nests, but will migrate to human occupied areas of the structure if their host dies or leaves the nest. (thermapure.com)
  • There are several types of rodent mites that typically feed on humans. (thermapure.com)
Mattresses4
Fleas3
Particles1
Allergy to dust mite1
Parasitic2
  • Mites are small invertebrates, most of which are free living but some are parasitic. (wikipedia.org)
  • People who live or work in structures that are rat infested or that house nesting birds are frequently attacked by parasitic mites that migrate from their nests into the occupied portion of the building. (thermapure.com)
Tropical rat3
Mattress3
Dust Mite Spray1
Reduce dust mites1
  • Regular cleaning is necessary, and high efficiency particulate air (HEPA) filters for vacuuming have been shown to reduce dust mites. (staugustine.com)
Prevention1
Bite5
  • Clover mites do not bite people or pets and do not damage the house or furniture, but they can stain light-colored walls, carpet, fabrics or papers when crushed. (missouri.edu)
  • Several types of mites can be found in homes and of these a few may bite humans. (amazines.com)
  • I am pretty certain that is a type of bird mite, and if that's the case you should check places on your body where they bite. (whatsthatbug.com)
  • The house mouse mite ( Liponyssoides saguineus ) prefers mice but will also bite rats and humans, often causing a rash around the bite. (thermapure.com)
  • Bird mites can bite humans but are not a health threat. (iastate.edu)
Sensitization to mites1
  • These novel findings suggest that components of GDF may act as adjuvants that facilitate sensitization to mites, and that mite-sensitized individuals may be especially susceptible to inhalant occupational exposures," the authors write. (medicalxpress.com)
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