Ricinus
Ixodes
Castor Bean
Nymph
Arachnid Vectors
Plant Lectins
Protein or glycoprotein substances of plant origin that bind to sugar moieties in cell walls or membranes. Some carbohydrate-metabolizing proteins (ENZYMES) from PLANTS also bind to carbohydrates, however they are not considered lectins. Many plant lectins change the physiology of the membrane of BLOOD CELLS to cause agglutination, mitosis, or other biochemical changes. They may play a role in plant defense mechanisms.
Anaplasma phagocytophilum
Tick-Borne Diseases
Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ticks. The families Ixodidae and Argasidae contain many bloodsucking species that are important pests of man and domestic birds and mammals and probably exceed all other arthropods in the number and variety of disease agents they transmit. Many of the tick-borne diseases are zoonotic.
Babesia
Borrelia burgdorferi Group
Gram-negative helical bacteria, in the genus BORRELIA, that are the etiologic agents of LYME DISEASE. The group comprises many specific species including Borrelia afzelii, Borellia garinii, and BORRELIA BURGDORFERI proper. These spirochetes are generally transmitted by several species of ixodid ticks.
Lectins
Proteins that share the common characteristic of binding to carbohydrates. Some ANTIBODIES and carbohydrate-metabolizing proteins (ENZYMES) also bind to carbohydrates, however they are not considered lectins. PLANT LECTINS are carbohydrate-binding proteins that have been primarily identified by their hemagglutinating activity (HEMAGGLUTININS). However, a variety of lectins occur in animal species where they serve diverse array of functions through specific carbohydrate recognition.
Anaplasmataceae
Babesia microti
Ricin
Ticks
Blood-sucking acarid parasites of the order Ixodida comprising two families: the softbacked ticks (ARGASIDAE) and hardbacked ticks (IXODIDAE). Ticks are larger than their relatives, the MITES. They penetrate the skin of their host by means of highly specialized, hooked mouth parts and feed on its blood. Ticks attack all groups of terrestrial vertebrates. In humans they are responsible for many TICK-BORNE DISEASES, including the transmission of ROCKY MOUNTAIN SPOTTED FEVER; TULAREMIA; BABESIOSIS; AFRICAN SWINE FEVER; and RELAPSING FEVER. (From Barnes, Invertebrate Zoology, 5th ed, pp543-44)
Babesiosis
Lyme Disease
An infectious disease caused by a spirochete, BORRELIA BURGDORFERI, which is transmitted chiefly by Ixodes dammini (see IXODES) and pacificus ticks in the United States and Ixodes ricinis (see IXODES) in Europe. It is a disease with early and late cutaneous manifestations plus involvement of the nervous system, heart, eye, and joints in variable combinations. The disease was formerly known as Lyme arthritis and first discovered at Old Lyme, Connecticut.
Castor Oil
Borrelia
Ehrlichiosis
A tick-borne disease characterized by FEVER; HEADACHE; myalgias; ANOREXIA; and occasionally RASH. It is caused by several bacterial species and can produce disease in DOGS; CATTLE; SHEEP; GOATS; HORSES; and humans. The primary species causing human disease are EHRLICHIA CHAFFEENSIS; ANAPLASMA PHAGOCYTOPHILUM; and Ehrlichia ewingii.
Encephalitis, Tick-Borne
Encephalitis caused by neurotropic viruses that are transmitted via the bite of TICKS. In Europe, the diseases are caused by ENCEPHALITIS VIRUSES, TICK-BORNE, which give rise to Russian spring-summer encephalitis, central European encephalitis, louping ill encephalitis, and related disorders. Powassan encephalitis occurs in North America and Russia and is caused by the Powassan virus. ASEPTIC MENINGITIS and rarely encephalitis may complicate COLORADO TICK FEVER which is endemic to mountainous regions of the western United States. (From Joynt, Clinical Neurology, 1996, Ch26, pp14-5)
Rickettsia
Encephalitis Viruses, Tick-Borne
Arthropod Vectors
Ricinoleic Acids
Dermacentor
Disease Reservoirs
Animate or inanimate sources which normally harbor disease-causing organisms and thus serve as potential sources of disease outbreaks. Reservoirs are distinguished from vectors (DISEASE VECTORS) and carriers, which are agents of disease transmission rather than continuing sources of potential disease outbreaks.
Ehrlichia
Deer
The family Cervidae of 17 genera and 45 species occurring nearly throughout North America, South America, and Eurasia, on most associated continental islands, and in northern Africa. Wild populations of deer have been established through introduction by people in Cuba, New Guinea, Australia, New Zealand, and other places where the family does not naturally occur. They are slim, long-legged and best characterized by the presence of antlers. Their habitat is forests, swamps, brush country, deserts, and arctic tundra. They are usually good swimmers; some migrate seasonally. (Walker's Mammals of the World, 5th ed, p1362)
Nitrate Reductase (NADH)
Receptors, Mitogen
Borrelia burgdorferi
Polymerase Chain Reaction
In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.
Arvicolinae
Slovakia
Rodent Diseases
Wheat Germ Agglutinins
Lectins purified from the germinating seeds of common wheat (Triticum vulgare); these bind to certain carbohydrate moieties on cell surface glycoproteins and are used to identify certain cell populations and inhibit or promote some immunological or physiological activities. There are at least two isoforms of this lectin.
Ixodidae
Czechoslovakia
Acaricides
Bartonella Infections
Infections by the genus BARTONELLA. Bartonella bacilliformis can cause acute febrile anemia, designated Oroya fever, and a benign skin eruption, called verruga peruana. BARTONELLA QUINTANA causes TRENCH FEVER, while BARTONELLA HENSELAE is the etiologic agent of bacillary angiomatosis (ANGIOMATOSIS, BACILLARY) and is also one of the causes of CAT-SCRATCH DISEASE in immunocompetent patients.
Spirochaetales
Receptors, Concanavalin A
Concanavalin A
Ectoparasitic Infestations
Galactosides
Galactose
An aldohexose that occurs naturally in the D-form in lactose, cerebrosides, gangliosides, and mucoproteins. Deficiency of galactosyl-1-phosphate uridyltransferase (GALACTOSE-1-PHOSPHATE URIDYL-TRANSFERASE DEFICIENCY DISEASE) causes an error in galactose metabolism called GALACTOSEMIA, resulting in elevations of galactose in the blood.
Mistletoe
Parasitic plants that form a bushy growth on branches of host trees which are in the order Santalales. It includes the Christmas mistletoe family (VISCACEAE), the showy mistletoe family (LORANTHACEAE) and the catkin mistletoe family (Eremolepidaceae). The composition of toxins, lectins, tyramine, phenethylamines, and other compounds may be affected by the host.
Glossitis, Benign Migratory
Anaplasma
Sequence Analysis, DNA
Disease Vectors
Umbelliferones
7-Hydroxycoumarins. Substances present in many plants, especially umbelliferae. Umbelliferones are used in sunscreen preparations and may be mutagenic. Their derivatives are used in liver therapy, as reagents, plant growth factors, sunscreens, insecticides, parasiticides, choleretics, spasmolytics, etc.
RNA, Ribosomal, 16S
Nymphaea
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Zoonoses
Bartonella
A genus of gram-negative bacteria characteristically appearing in chains of several segmenting organisms. It occurs in man and arthropod vectors and is found only in the Andes region of South America. This genus is the etiologic agent of human bartonellosis. The genus Rochalimaea, once considered a separate genus, has recently been combined with the genus Bartonella as a result of high levels of relatedness in 16S rRNA sequence data and DNA hybridization data.
Salivary Proteins and Peptides
Bartonella henselae
Alphaproteobacteria
Muridae
A family of the order Rodentia containing 250 genera including the two genera Mus (MICE) and Rattus (RATS), from which the laboratory inbred strains are developed. The fifteen subfamilies are SIGMODONTINAE (New World mice and rats), CRICETINAE, Spalacinae, Myospalacinae, Lophiomyinae, ARVICOLINAE, Platacanthomyinae, Nesomyinae, Otomyinae, Rhizomyinae, GERBILLINAE, Dendromurinae, Cricetomyinae, MURINAE (Old World mice and rats), and Hydromyinae.
Salivary Glands
Czech Republic
Ribosome Inactivating Proteins
N-Glycosidases that remove adenines from RIBOSOMAL RNA, depurinating the conserved alpha-sarcin loop of 28S RIBOSOMAL RNA. They often consist of a toxic A subunit and a binding lectin B subunit. They may be considered as PROTEIN SYNTHESIS INHIBITORS. They are found in many PLANTS and have cytotoxic and antiviral activity.
Seeds
Glycoconjugates
Larva
Lectins as membrane components of mitochondria from Ricinus communis. (1/117)
1. Mitochondria were isolated from developing endosperm of Ricinus communis and were fractionated into outer membrane and inner membrane. The relative purity of the two membrane fractions was determined by marker enzymes. The fractions were also examined by negative-stain electron microscopy. 2. Membrane fractions were sequentially extracted in the following way. (a) Suspension in 0.5M-potassium phosphate, pH7.1; (b)suspension in 0.1M-EDTA (disodium salt)/0.05M-potassium phosphate, pH7.1; (c) sonication in 0.05M-potassium phosphate, pH7.1;(d)sonication in aq. Triton X-100 (0.1%). The membranes were pelleted by centrifugation at 100 000g for 15 min, between each step. Agglutination activity in the extracts was investigated by using trypsin-treated rabbit erythrocytes. 3. The addition of lactose to inner mitochondrial membrane resulted in the solubilization of part of the lectin activity, indicating that the protein was attached to the membrane via its carbohydrate-binding site. Pretreatment of the membranes with lactose before tha usual extraction procedure showed that lactose could extract lectins that normally required more harsh treatment of the membrane for solubilization. 4. Lectins extracted from inner membranes were purified by affinity chromatography on agarose gel. Polyacrylamide-gel electrophoresis of purified samples in sodium dodecyl sulphate indicated that at least part of the lectin present in inner mitochondrial membrane was identical with the R. communis agglutinin of mol.wt. 120 000. (+info)Expression of Ricinus communis receptors on epithelial cells in oral carcinomas and oral wounds. (2/117)
The histological distribution of receptors for Ricinus communis Fraction 1 (RCA1) in oral carcinomas and in oral epithelial cells during wound healing has been studied by use of fluorescein-tagged RCA1. Biopsies from 15 human oral carcinomas and adjacent normal mucosa showed RCA1 receptors at the cell membranes in the basal and spinous layer of the normal epithelium, whereas receptors could not be demonstrated in invading islands of the tumors. In healing oral wounds from eight humans and three monkeys, RCA1 receptors were demonstrated both in normal epithelium adjacent to the wounds and in the epithelial outgrowth from the wound margin. Titrations, however, showed that the epithelial outgrowth reacted more weakly than did the normal adjacent epithelium. These results support previous in vitro studies showing changes in carbohydrate composition of moving normal cells and of malignant cells, a finding that may be of interest in relation to formation of metastases. (+info)Nitrate reductases from leaves of Ricinus (Ricinus communis L.) and spinach (Spinacia oleracea L.) have different regulatory properties. (3/117)
The activity of nitrate reductase (+Mg(2+), NR(act)) in illuminated leaves from spinach, barley and pea was 50-80% of the maximum activity (+EDTA, NR(max)). However, NR from leaves of Ricinus communis L. had a 10-fold lower NR(act), while NR(max) was similar to that in spinach leaves. The low NR(act) of Ricinus was independent of day-time and nitrate nutrition, and varied only slightly with leaf age. Possible factors in Ricinus extracts inhibiting NR were not found. NR(act) from Ricinus, unlike the spinach enzyme, was very low at pH 7.6, but much higher at more acidic pH with a distinct maximum at pH 6.5. NR(max) had a broad pH response profile that was similar for the spinach and the Ricinus enzyme. Accordingly, the Mg(2+)-sensitivity of NR from Ricinus was strongly pH-dependent (increasing sensitivity with increasing pH), and as a result, the apparent activation state of NR from a Ricinus extract varied dramatically with pH and Mg(2+)concentration. Following a light-dark transition, NR(act) from Ricinus decreased within 1 h by 40%, but this decrease was paralleled by NR(max). In contrast to the spinach enzyme, Ricinus-NR was hardly inactivated by incubating leaf extracts with ATP plus okadaic acid. A competition analysis with antibodies against the potential 14-3-3 binding site around ser 543 of the spinach enzyme revealed that Ricinus-NR contains the same site. Removal of 14-3-3 proteins from Ricinus-NR by anion exchange chromatography, activated spinach-NR but caused little if any activation of Ricinus-NR. It is suggested that Mg(2+)-inhibition of Ricinus-NR does not require 14-3-3 proteins. The rather slow changes in Ricinus-NR activity upon a light/dark transient may be mainly due to NR synthesis or degradation. (+info)Ultrastructural localization of lectin-binding sites on the zonae pellucidae and plasma membranes of mammalian eggs. (4/117)
Receptors for Ricinus communis agglutinin I (RCAI), concanavalin A (Con A), and wheat germ agglutinin (WGA) were localized on the zonae pellucidae and plasma membranes of hamster, mouse, and rat eggs with ferritin-lectin conjugates. Intact eggs labeled with the ferritin conjugates showed dense concentrations of RCAI and WGA receptors in the outermost regions of their zonae pellucidae and sparse distributions of Con A receptors throughout the zonae. Ferritin-lectin labeling was specific, since inhibitory saccharides effectively blocked labeling. The asymmetric density of RCAI receptors across the zona was confirmed by ferritin-RCAI and fluorescein-RCAI labeling of mechanically isolated zonae pellucidae, indicating that the RCAI-binding sites are more densely distributed in the exterior zona regions. Plasma membranes of rodent eggs contained RCAI, WGA, and Con A receptors. These receptors were found to be more or less randomly distributed on surfaces of aldehyde-fixed eggs or on eggs labeled near 0 degrees C. However, eggs incubated at 25 degrees C showed aggregated WGA- and Con A-binding site distributions on their plasma membranes. This indicates that lectin-induced receptor redistribution occurs at this temperature. The possibility that plasma membrane receptor mobility is a requirement for sperm-egg fusion is discussed. (+info)Leaf development in Ricinus communis during drought stress: dynamics of growth processes, of cellular structure and of sink-source transition. (5/117)
Dicot leaf growth is characterized by partly transient tip-to-base gradients of growth processes, structure and function. These gradients develop dynamically and interact with dynamically developing stress conditions like drought. In Ricinus communis plants growing under well-watered and drought conditions growth rates peaked during the late night and minimal values occurred in the late afternoon. During this diurnal course the leaf base always showed much higher rates than the leaf tip. The amplitude of this diurnal course decreased when leaves approached maturity and during drought stress without any significant alteration of the diurnal pattern and it increased during the first days after rewatering. Unique relationships between leaf size and cytological structure were observed. This provided the framework for the analysis of changes in assimilation, transpiration and dark respiration, chlorophyll, protein, carbohydrate, and amino acid concentrations, and of activities of sink-source-related enzymes at the leaf tip and base during leaf development in well-watered and drought-stressed plants. Gas exchange was dominated by physiological rather than by anatomical properties (stomatal density). Tip-to-base gradients in carbohydrate concentrations per dry weight and sink-source-related enzymes were absent, whereas significant gradients were found in amino acid concentrations per dry weight. During drought stress, growing leaves developed source function at smaller leaf size, before specific physiological adaptations to drought occurred. The relevance of the developmental status of individual leaves for the drought-stress response and of the structural changes for the biochemical composition changes is discussed. (+info)Characterization of group N streptococcus lipoteichoic acid. (6/117)
Lipoteichoic acid was extracted from the group N organism Streptococcus lactis ATCC 9936 with hot aqueous phenol and purified by gel chromatography followed by affinity chromatography using Ricinus communis lectin as the specific absorbent. The teichoic acid moiety of the lipoteichoic acid was calculated to contain 16 to 17 glycerol phosphate units, approximately half of which were substituted with alpha-D-galactosyl residues; the glycolipid moiety contained O-alpha-D-glucosyl-1 yields 2-O-alpha-D-glucosyl-1 yields 1-glycerol. The finding of 2-O-alpha-D-galactosyl glycerol in the lipid fraction of hydrofluoric acid hydrolysates suggests that fatty acids also occur as substituents on the main chain of the lipoteichoic acid. The reactivity of the lipoteichoic acid with R. communis lectin was studied by the quantitative precipitin method and compared with the reactivity of Lactobacillus fermenti lipoteichoic acid, which has a lower degree of alpha-D-galactosyl substitution. Group N antiserum reacted strongly with the S. lactis lipoteichoic acid and cross-reacted with L. fermenti lipoteichoic acid. From inhibition studies it is concluded that the antibodies are specific for alpha-D-galactosyl substituents. In addition to lipoteichoic acid, a fraction was obtained by gel chromatography which contained galactose and reacted with group N antiserum but could be distinguished from the lipoteichoic acid by immunoelectrophoresis. (+info)The ricinosomes of senescing plant tissue bud from the endoplasmic reticulum. (7/117)
The ricinosome (synonym, precursor protease vesicle) is a novel organelle, found so far exclusively in plant cells. Electron microscopic studies suggest that it buds off from the endoplasmic reticulum in senescing tissues. Biochemical support for this unusual origin now comes from the composition of the purified organelle, which contains large amounts of a 45-kDa cysteine endoprotease precursor with a C-terminal KDEL motif and the endoplasmic reticulum lumen residents BiP (binding protein) and protein disulfide isomerase. Western blot analysis, peptide sequencing, and mass spectrometry demonstrate retention of KDEL in the protease proform. Acidification of isolated ricinosomes causes castor bean cysteine endopeptidase activation, with cleavage of the N-terminal propeptide and the C-terminal KDEL motif. We propose that ricinosomes accumulate during senescence by programmed cell death and are activated by release of protons from acidic vacuoles. (+info)Lipolytic activity of ricin from Ricinus sanguineus and Ricinus communis on neutral lipids. (8/117)
The present study was carried out with a view of determining ricin lipolytic activity on neutral lipids in emulsion and in a membrane-like model. Using 2,3-dimercapto-1-propanol tributyrate (BAL-TC(4)) as substrate, the lipolytic activity of ricin was found to be proportional to ricin and substrate concentrations, with an apparent K(m) (K(m,app)) of 2.4 mM, a k(cat) of 200 min(-1) and a specific activity of 1.0 unit/mg of protein. This work was extended to p-nitrophenyl (pNP) fatty acid esters containing two to twelve carbon atoms. Maximum lipolytic activity was registered on pNP decanoate (pNPC(10)), with a K(m,app) of 3.5 mM, a k(cat) of 173 min(-1) and a specific activity of 3.5 units/mg of protein. Ricin lipolytic activity is pH and galactose dependent, with a maximum at pH 7.0 in the presence of 0.2 M galactose. Using the monolayer technique with dicaprin as substrate, ricin showed a lipolytic activity proportional to the ricin concentration at 20 mN/m, which is dependent on the surface pressure of the lipid monolayer and is detectable up to 30 mN/m, a surface pressure that is of the same order of magnitude as that of natural cell membranes. The methods based on pNPC(10) and BAL-TC(4) hydrolysis are simple and reproducible; thus they can be used for routine studies of ricin lipolytic activity. Ricin from Ricinus communis and R. sanguineus were treated with diethyl p-nitrophenylphosphate, an irreversible serine esterase inhibitor, and their lipolytic activities on BAL-TC(4) and pNPC(10), and cytotoxic activity, were concurrently recorded. A reduction in lipolytic activity was accompanied by a decrease in cytotoxicity on Caco2 cells. These data support the idea that the lipolytic activity associated with ricin is relevant to a lipase whose activity is pH and galactose dependent, sensitive to diethyl p-nitrophenylphosphate, and that a lipolytic step may be involved in the process of cell poisoning by ricin. Both colorimetric tests used in this study are sensitive enough to be helpful in the detection of possible lipolytic activities associated with other cytotoxins or lectins. (+info)
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No data available that match "ricinus"
BorreliaQuesting Ixodes ricinusSensu latoEuphorbiaceaeIxodidaeVectorPathogensCommunis agglutininGenusExtract of Ricinus communisIxodes ricinus and DermacentorDistribution of Ixodes ricinusAdultLymeLinnaeusSeedsInfestationSpecies Ricinus communisAgglutininPrevalenceInfectionLarvae feedSpatial distributionBartonellaNymphalDensitiesMammalsSheep tickSalivarySwedenNymphs and adultsProteinExtractsBabesiaVitroAntimicrobialLaevisAfricanusRodentsBurgdorferiPersulcatusDispersalSouth AmericaAdultsDensityVegetationShrubTick speciesFamily
Borrelia31
- Borrelia burgdorferi from Ixodes ricinus ticks on Ameland. (prohealth.com)
- Ixodes ricinus ticks collected from the North Sea Island of Ameland, the Netherlands, were screened for the presence of Borrelia spirochaetes. (prohealth.com)
- The presence of most questing I. ricinus larvae at ground level would favour the transmission of Borrelia burgdorferi s.l., since this is where the highly reservoir-competent rodents and shrews usually occur. (springer.com)
- Transmission of Borrelia burgdorferi s.l. from mammal reservoirs to the primary vector of Lyme borreliosis, Ixodes ricinus (Acari: Ixodidae), in Sweden. (springer.com)
- In Europe, the sheep tick, Ixodes ricinus (Acari: Ixodidae), is the primary vector of medically and economically important disease agents (e.g., the tick-borne encephalitis (TBE) complex of viruses, Rickettsia, Babesia, and Anaplasma species and the Borrelia burgdorferi sensu lato complex, the causative agents of Lyme borreliosis). (wiley.com)
- Prevalence of Borrelia burgdorferi sensu lato in Ixodes ricinus ticks in Scandinavia. (uio.no)
- Genotyping some Borrelia burgdorferi sensu lato isolates from Ixodes ricinus ticks in Russia and Ukraine. (prohealth.com)
- Publication date: Available online 6 December 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Hein Sprong, Sander Moonen, Sipke E. van Wieren, Tim R. HofmeesterAbstractCattle grazing has been suggested to reduce the risk for Lyme borreliosis by decreasing the density of questing Ixodes ricinus infected with Borrelia burgdorferi sensu lato. (medworm.com)
- Risk indicators for the tick Ixodes ricinus and Borrelia burgdorferi sensu lato in Sweden. (diva-portal.org)
- The distributional area of the tick Ixodes ricinus (L.), the primary European vector to humans of Lyme borreliosis spirochaetes (Borrelia burgdorferi sensu lato) and tick-borne encephalitis virus, appears to be increasing in Sweden. (diva-portal.org)
- Ixodes ricinus nymphs from 13 localities in different parts of Sweden were examined for the presence of B. burgdorferi s.l. and found to be infected with Borrelia afzelii and Borrelia garinii. (diva-portal.org)
- Tick sampling localities were characterized on the basis of the density of Borrelia-infected I. ricinus nymphs, presence of specific mammals, dominant vegetation and climate. (diva-portal.org)
- Densities of I. ricinus nymphs and Borrelia-infected nymphs were significantly correlated, and nymphal density can thus serve as a general indicator of risk for exposure to Lyme borreliosis spirochaetes. (diva-portal.org)
- In May 1996, 164 pooled and single samples containing 913 larvae, nymphs and adults of Ixodes ricinus from urban, suburban and wooded biotopes of southern Poland were examined for the presence of Borrelia burgdorferi sensu lato. (aaem.pl)
- Five Borrelia strains were isolated from the adult I. ricinus ticks. (aaem.pl)
- Indirect immunofluorescence was performed, using an antiserum obtained from rabbits, immunized with sonicated, whole Borrelia burgdorferi spirochetes isolated from Swedish Ixodes ricinus ticks. (diva-portal.org)
- Borrelia-positive I. ricinus were found in all 23 provinces. (diva-portal.org)
- On average, 10% of the nymphs and 15% of the adult I. ricinus were positive for Borrelia. (diva-portal.org)
- Of 41 non-I. ricinus ticks, none was positive for Borrelia. (diva-portal.org)
- This study shows that Borrelia burgdorferi sensu lato is present throughout the distributional area of I. ricinus in Sweden. (diva-portal.org)
- The three-host tick, Ixodes ricinus , is the most common tick in Europe and is responsible for transmission of human Lyme borreliosis (caused by spirochetes of Borrelia burgdorferi sensu lato) and tick-borne encephalitis virus (TBEV). (frontiersin.org)
- The recognition of host species for tick larvae and the reservoirs of Borrelia , Rickettsia and Anaplasma species were simultaneously carried out by analysis of the blood meals of 880 questing nymphal I. ricinus ticks collected in forest parks of Szczecin city and rural forests in northwestern Poland that are endemic areas for Lyme borreliosis. (springer.com)
- The present paper is a study concerning molecular identification of I. ricinus hosts and Borrelia hosts by analysis of the blood meal in ticks in northwestern Poland using PCR-RFLP protocol with 12S rDNA gene fragment as molecular target. (springer.com)
- To determine whether Bartonella henselae is present in questing Ixodes ricinus ticks, we analyzed the prevalence of B. henselae DNA among tick stages compared to the prevalence of DNA from Borrelia burgdorferi sensu lato, the pathogen most frequently transmitted by ticks. (asm.org)
- The medical importance and distribution of other sporadically occurred genospecies is also discussed.Key words: Ixodes ricinus - Borrelia afzelii - B. garinii - B. burgdorferi s. s. (eurekamag.com)
- Differential immune responses to Borrelia burgdorferi in European wild rodent species influence spirochete transmission to Ixodes ricinus L. (Acari: Ixodidae). (asm.org)
- In Europe, the causative agent, Borrelia burgdorferi sensu lato complex, is principally vectored by Ixodes ricinus ticks. (gla.ac.uk)
- In this study, 746 questing Ixodes (I.) ricinus ticks from eastern Slovakia and 187 ticks from southern Poland were investigated for infection with Borrelia (B.) burgdorferi sensu lato and different outer surface protein A (OspA) types by an improved restriction fragment length polymorphism (RFLP) analysis of the ospA gene. (semanticscholar.org)
- Which forest bird species are the main hosts of the tick, Ixodes ricinus, the vector of Borrelia burgdorferi sensu lato, during the breeding season? (semanticscholar.org)
- Detection of three genospecies of Borrelia burgdorferi sensu lato in Ixodes ricinus ticks collected in different regions of Poland. (semanticscholar.org)
- Ixodes ricinus and Dermacentor reticulatus commonly infest dogs and are vectors of various canine vector borne pathogens including Borrelia burgdorferi and Anaplasma phagocytophilum, both transmitted by I. ricinus, and Babesia canis transmitted by â ¦ There a number of other infectious agents transmitted by Ixodes species including Babesia divergens, B.bovis, B.ovis, Rickettsia conorii, Anaplasma marginale, Ehrlichia phagocytophila and Staphylococcus aureus. (edendelasmercedes.com)
Questing Ixodes ricinus2
- The vertical distribution in the vegetation of questing Ixodes ricinus ticks was investigated in two different vegetation types ('high' and 'low' vegetation) at two localities in south-central Sweden during 1992-1993 (Toro) and 1995 (Bogesund). (springer.com)
- of the spotted fever group, in questing Ixodes ricinus ticks, taking into account tick characteristics. (asm.org)
Sensu lato1
- We tested the hypotheses that cattle grazing used in woodland management decreases the density of questing I. ricinus, and that it decreases the nympal infection prevalence of B. burgdorferi sensu lato. (medworm.com)
Euphorbiaceae7
- Ricinus communis, the castor bean or castor oil plant, is a species of perennial flowering plant in the spurge family, Euphorbiaceae. (wikipedia.org)
- Castor bean (Ricinus communis) is an oilseed crop that belongs to the spurge (Euphorbiaceae) family, which comprises approximately 6,300 species that include cassava (Manihot esculenta), rubber tree (Hevea brasiliensis) and physic nut (Jatropha curcas). (nih.gov)
- This name is the accepted name of a species in the genus Ricinus (family Euphorbiaceae ). (theplantlist.org)
- Ricinus communis L. is a member of Euphorbiaceae, widespread throughout tropical, sub-tropical and warm temperate regions. (wur.nl)
- Ricinus communis is a perennial shrub of the Euphorbiaceae family 1 . (scialert.net)
- Ricinus communis (Euphorbiaceae family) is a soft wooden small tree developed throughout tropics and warm temperature regions. (biomedcentral.com)
- The botanical name of eranda is Ricinus communis and it belongs to family Euphorbiaceae. (indianmedicinalplants.info)
Ixodidae5
- Extract of Ricinus communis exhibited acaricidal and insecticidal activities against the adult of Haemaphysalis bispinosa Neumann (Acarina: Ixodidae) and hematophagous fly Hippobosca maculata Leach (Diptera: Hippoboscidae). (wikipedia.org)
- Ixodes ricinus L. (Acari: Ixodidae), the most common European tick, is the main vector of various agents of medical and veterinary importance such as viruses (e.g. tick-borne encephalitis and looping-ill viruses), bacteria (i.e. (biologists.org)
- Adult Ixodes ricinus (Acari: Ixodidae) ticks collected near Ljubljana, Slovenia, were tested for the agent of human granulocytic ehrlichiosis (HGE) by using PCR assays based on the 16S rRNA gene. (asm.org)
- Contact toxicity and residual activity of different permethrin-based fabric impregnation methods for Aedes aegypti (Diptera: Culicidae), Ixodes ricinus (Acari: Ixodidae), and Lepisma saccharina (Thysanura: Lepismatidae). (semanticscholar.org)
- The castor bean tick, Ixodes ricinus is an animal of the Ixodidae family. (edendelasmercedes.com)
Vector16
- We used a murine model to assess the vector competence of Ixodes ricinus for Bartonella birtlesii . (plos.org)
- These results confirm the vector competence of I. ricinus for B. birtlesii and represent the first in vivo demonstration of a Bartonella sp. (plos.org)
- Results of the study confirm the vector competence of I. ricinus and represent the first in vivo demonstration of a Bartonella sp. (plos.org)
- The main vector Ixodes ricinus is found along the Norwegian coastline as far north as the Arctic Circle. (hindawi.com)
- In Norway, Ixodes ricinus ticks are the main vector for A. phagocytophilum , and although HGA is not a common disease in Norway [ 4 - 6 ], A. phagocytophilum antibodies have been detected in sheep, roe deer, red deer, and moose [ 7 ]. (hindawi.com)
- In Europe, the tick Ixodes ricinus is the primary vector of medically important pathogens (e.g. (wiley.com)
- These results provide evidence that I. ricinus is a competent vector for B. henselae . (cdc.gov)
- During the past decades, the abundance of the main tick vector, Ixodes ricinus in Scandinavia, seems to have increased due to factors as increased roe deer abundance, changes in habitat structure and climatic factors. (uio.no)
- This study identified I. ricinus as the likely vector for these ehrlichial pathogens of humans in this part of Europe. (asm.org)
- In Slovenia, as in other European countries, I. ricinus is the main vector of the causative agents of Lyme borreliosis and tick-borne encephalitis ( 9 , 11 ). (asm.org)
- In Europe, the tick I. ricinus is known as a vector of the agent causing tick-borne fever ( Ehrlichia phagocytophila ) ( 14 ). (asm.org)
- Larvae of Ixodes ricinus are occasionally B. burgdorferi ( s.l ) infected, but their vector competence has never been studied. (biomedcentral.com)
- This study provides evidence of transovarial and transstadial transmission of the parasite within Ixodes ricinus, which suggests that this tick could be a vector and reservoir of EU1. (cdc.gov)
- 1. A population model for the tick Ixodes ricinus, the most significant vector of pathogens in Europe, is used to explore the relative impact of changes in climate, host density and acaricide-treated hosts on tick abundance and seasonality. (stir.ac.uk)
- The incidence of Tick-borne encephalitis is increasing in many European countries and several reports have emphasized the expansion of the main vector, Ixodes ricinus . (diva-portal.org)
- Background: Ixodes ricinus is the main vector in Europe of human-pathogenic Lyme borreliosis (LB) spirochaetes, the tick-borne encephalitis virus (TBEV) and other pathogens of humans and domesticated mammals. (edendelasmercedes.com)
Pathogens9
- Ixodes ricinus is a tick species which is widespread in Europe and can transmit various bacterial, protozoal and viral pathogens of medical and veterinary importance, including the causal agents of Lyme borreliosis, tick-borne encephalitis (TBE) virus and babesiosis. (frontiersin.org)
- DNA analysis of blood meals from unfed nymphal Ixodes ricinus allows for the identification of tick host and tick-borne pathogens in the host species. (springer.com)
- DNA analysis of blood meal from unfed nymphal Ixodes ricinus allows identification of the hosts on which the larvae fed as well as tick-borne pathogens in the host species. (springer.com)
- In Europe, both pathogens are transmitted by Ixodes ricinus . (biomedcentral.com)
- The occurrence of Ixodes ricinus ticks and important tick-borne pathogens in areas with high tick-borne encephalitis prevalence in different altitudinal levels of the Czech Republic Part II. (eurekamag.com)
- Three years long research study (2011-2013) on population density of Ixodes ricinus and the infection rate of the pathogens that they transmit was conducted in four topographically distant areas in the Czech Republic. (eurekamag.com)
- The hypothesized potential of both IrSPI ( I. ricinus serine protease inhibitor) and IrLip1 ( I. ricinus lipocalin 1) as protective antigens decreasing tick feeding and/or the transmission of tick-borne pathogens was based on their presumed involvement in dampening the host immune response to tick feeding. (canlyme.com)
- Like I. ricinus, it can also transmit a variety of pathogens to dogs, including Babesia and Ehrlichia [3, 4]. (edendelasmercedes.com)
- Ixodes ricinus, the castor bean tick, is a chiefly European species of hard-bodied tick.It may reach a length of 11 mm (0.43 in) when engorged with a blood meal, and can transmit both bacterial and viral pathogens such as the causative agents of Lyme disease and tick-borne encephalitis. (edendelasmercedes.com)
Communis agglutinin2
- This product is the Unconjugated Ricinus Communis Agglutinin II (RCA II, RCA60, ricin) and has sugar specificity against Galactose, N-Acetylgalactosamine, and Lactose. (creativebiomart.net)
- Ricinus communis agglutinin II is an extremely toxic glycoprotein consisting of two disulfide-linked chains of about 28 kDa and 32 kDa, termed A and B chain, respectively. (creativebiomart.net)
Genus2
- H. ricini larvae feed primarily on plants from the genus Passiflora subgenus Granadilla (Brown, 1981). (tolweb.org)
- carriage in I. ricinus ticks in Belgium but, for the first time, reports two potentially zoonotic species belonging to this genus. (ugent.be)
Extract of Ricinus communis3
- Antihistamine and anti-inflammatory properties were found in ethanolic extract of Ricinus communis root bark. (wikipedia.org)
- This study investigated the effects of Alkaloid-Rich Fraction (ARF) of methanol extract of Ricinus communis seed on inflammatory reactions, immune response and its hepatoprotective potentials on male wistar albino rats challenged with CCl 4 in order to maximize its health benefits. (scialert.net)
- It has also been reported that m ethanolic extract of Ricinus communis seeds possesses antimicrobial activity against Bacillus subtilis , Staphylococcus aureus , Pseudomonas aeruginosa , Salmonella typhi and Escherichia coli 9 . (scialert.net)
Ixodes ricinus and Dermacentor1
- The aims of this study were to identify DNA of CNM in small mammals, the ticks parasitizing them and questing ticks in areas with sympatric existence of Ixodes ricinus and Dermacentor reticulatus in Germany. (biomedcentral.com)
Distribution of Ixodes ricinus2
- The map shows the current known distribution of Ixodes ricinus in Europe at 'regional' administrative level (NUTS3), as of January 2018. (europa.eu)
- Our aim was to create a model able to predict the distribution of Ixodes ricinus nymphs in southern Scandinavia and to assess how this relates to risk of human exposure. (eurosurveillance.org)
Adult7
- I. ricinus has three active life stages: larva, nymph, and adult (Fig. 1 ), and each requires a single blood meal from a vertebrate host. (wiley.com)
- Infection of adult I. ricinus ticks on 10 localities fluctuated from 4.0 to 15.0% and over 10% of adult ticks in forests and in some urban and suburban parks of the city Katowice were infected. (aaem.pl)
- In early summer of 1996, 101 unfed adult I. ricinus ticks were collected by flagging vegetation. (asm.org)
- Multiple infections in questing nymphs and adult female Ixodes ricinus ticks collected in a recreational forest in Denmark. (openrepository.com)
- Questing nymphal and adult I. ricinus ticks were collected (i) at the edge of a forest in Eberdingen near Stuttgart (Germany), (ii) in an alder marsh outside the village Klasdorf located south of Berlin (Germany), (iii) near the town of Lembach in the northern Vosges region of France, and (iv) on pastured meadows on Madeira Island (Portugal) in 2004 by passing a flannel flag over the vegetation. (asm.org)
- A new ixodid that had long been confused with Ixodes ricinus is described by the first 2 authors from adult males and females collected from cattle and occasionally from horses in Argentina and Uruguay as I. pararicinus sp. (eurekamag.com)
- In Europe, the most important hosts of adult female I. ricinus are cervids. (uio.no)
Lyme2
- This should lead to increased awareness of signs and symptoms compatible with Lyme borreliosis in persons living in or visiting areas where I. ricinus is present. (diva-portal.org)
- Here, we present data on the prevalence of B. henselae and Lyme disease spirochetes in 654 questing ticks ( I. ricinus ) collected at four locations in Europe, suggesting that ticks might serve as potential vectors for the transmission of B. henselae to humans. (asm.org)
Linnaeus1
- 1. Ricinus communis Linnaeus, Sp. (efloras.org)
Seeds3
- Seeds of Ricinus are highly toxic and for the purification, seeds are fomented in coconut water for three hours. (planetayurveda.com)
- In vitro screening of local accessions of castor bean seeds ( Ricinus communis l. (ajol.info)
- Ricinus communis seeds are widely consumed for nutritional and medicinal benefits. (scialert.net)
Infestation3
- To examine its potency as anti-tick vaccine candidate, we set up three models of I. ricinus infestation on immunized animals: nymphs on mice, and adults and nymphs on rabbits. (nih.gov)
- However, and contrary to our expectations, vaccination failed to afford protection against the infestation of mice and sheep by I. ricinus nymphs and larvae, respectively. (canlyme.com)
- The high immediate efficacy of 98% evaluated at 48 hours post-treatment was particularly interesting, meaning that Effitix has a curative effect against ticks (Ixodes ricinus) and provides a rapid control of existing Ixodes ricinus infestation on a dog at the time of treatment. (edendelasmercedes.com)
Species Ricinus communis1
- Draft genome sequence of the oilseed species Ricinus communis. (nih.gov)
Agglutinin1
- Secondary Antibodies-Ricinus communis (castor bean) Agglutinin (RCA120)-biotin conjugate-Alpha Diagnostic International Inc. (4adi.com)
Prevalence3
- A total number of 1804 I. ricinus ticks were collected and the prevalence of the pathogen was determined by species-specific qPCR. (hindawi.com)
- This master thesis describes the prevalence and genotype composition of B. burgdorferi s.l. in host-seeking I. ricinus ticks at different locations in Scandinavia. (uio.no)
- Compared with the prevalence of ~25% in the questing I. ricinus ticks, twice the prevalence in the rodents provides evidence for their role as reservoir hosts for CNM. (biomedcentral.com)
Infection2
- The study examined both in vivo and in vitro response of L. major infection to combined therapy of Ricinus communis and Azadirachta indica extracts in BALB/c mice as the mouse model. (springer.com)
- The aim of this study was to identify environmental factors influencing questing I. ricinus nymph abundance and B. burgdorferi s.l. infection in questing nymphs using a large-scale survey across Scotland. (gla.ac.uk)
Larvae feed1
- The results obtained from the study indicate that I. ricinus larvae feed not only on small or medium animals but also on large animals and they (i.e. roe deer, red deer and wild boars) were the most prevalent in all study areas as the essential hosts for larvae of I. ricinus . (springer.com)
Spatial distribution4
- In this study, we modelled the spatial distribution of I. ricinus and associated Chlamydiales over Switzerland from 2009 to 2019. (medworm.com)
- Using climate and remote sensing environmental data and boosted regression tree modelling, we predicted the overall spatial distribution of I. ricinus nymphs in Scandinavia. (eurosurveillance.org)
- We aim to determine the contribution of red deer (Cervus elaphus) space use on the spatial distribution of I. ricinus, after accounting for landscape factors. (uio.no)
- We analysed the spatial distribution of I. ricinus with generalised mixed effects models (GLMMs) based on data from extensive field surveys of questing density in two coastal regions in Norway, from which home range data from 73 red deer with GPS collars were available. (uio.no)
Bartonella1
- In this study, the authors used a murine model to assess the ability of the tick Ixodes ricinus to transmit Bartonella bacteria to mice. (plos.org)
Nymphal1
- Larval and nymphal I. ricinus were fed on a B. birtlesii -infected mouse. (plos.org)
Densities1
- To test these hypotheses, we compared the densities of questing I. ricinus between twenty pairs of plots in grazed and ungrazed forest areas. (medworm.com)
Mammals2
- I. ricinus mammals" should read " I. ricinus ticks. (asm.org)
- Blood, transudate and organ samples (spleen, kidney, liver, skin) of 91 small mammals and host-attached ticks from altogether 50 small mammals as well as questing I. ricinus ticks (n=782) were screened with a real-time PCR for DNA of CNM. (biomedcentral.com)
Sheep tick2
- The sensory physiology of the sheep tick Ixodes ricinus L. J. Exp. (springer.com)
- Ixodes ricinus (Sheep Tick, Deer Tick). (edendelasmercedes.com)
Salivary3
- Iris is a specific elastase inhibitor expressed in the salivary glands of the hard tick Ixodes ricinus. (nih.gov)
- We used a membrane-feeding technique to infect I. ricinus with B. henselae and demonstrate transmission of B. henselae within I. ricinus across developmental stages, migration or multiplication of B. henselae in salivary glands after a second meal, and transmission of viable and infective B. henselae from ticks to blood. (cdc.gov)
- In this study, subtractive and full-length cDNA libraries were constructed by use of mRNA extracted from salivary glands of unfed and 5-day engorged Ixodes ricinus . (rero.ch)
Sweden6
- The geographical distribution of I. ricinus in Sweden was analysed with respect to vegetation zones and climate. (diva-portal.org)
- The northern limit of I. ricinus and B. burgdorferi s.l. in Sweden corresponds roughly to the northern limit of the southern boreal vegetation zone, and is characterized climatically by snow cover for a mean duration of 150 days and a vegetation period averaging 170 days. (diva-portal.org)
- The zoogeographical distribution of I. ricinus in Sweden can be classified as southerly-central, with the centre of the distribution south of the Limes Norrlandicus. (diva-portal.org)
- Between 1988-1991, a total of 3,141 Ixodes ricinus ticks, 2,740 adults and 401 nymphs, was collected from different localities in 23 of the 25 provinces of Sweden. (diva-portal.org)
- We measured the presence of I. ricinus tick nymphs at 159 stratified random lowland forest and meadow sites in Denmark, Norway and Sweden by dragging 400 m transects from August to September 2016, representing a total distance of 63.6 km. (eurosurveillance.org)
- In this study we have generated strategies for detection of broad types of tick-borne flaviviruses in pools of I. ricinus sampled in Sweden. (diva-portal.org)
Nymphs and adults1
- Immunization with native I. ricinus TPEs thus conferred a strong immune response in calves and significantly reduced the feeding success of both nymphs and adults. (frontiersin.org)
Protein3
- 1. A cDNA sequence encoding a Ricinus communis β-ketoacyl-ACP synthase protein, wherein said cDNA sequence comprises the mature protein encoding portion of said synthase protein, and wherein said mature protein has a molecular weight of approximately 50 kD. (google.com)
- This is the first report on an anti-tick vaccine trial on I. ricinus using a protein able to interact with both host immunity and haemostasis, as a vaccinating antigen. (nih.gov)
- In this study, the efficacy of immunization with recombinant ferritin 2 and native tick protein extracts (TPEs) against Ixodes ricinus infestations in calves was assessed in two immunization experiments. (frontiersin.org)
Extracts1
- Methanolic extracts of the leaves of Ricinus communis were used in antimicrobial testing against eight pathogenic bacteria in rats and showed antimicrobial properties. (wikipedia.org)
Babesia1
- EU1 and Babesia microti in Ixodes ricinus ticks in Belgium. (ugent.be)
Vitro5
- E. Christy Jeyaseelan and P. T. Justin Jashothan, " In vitro control of Staphylococcus aureus (NCTC 6571) and Escherichia coli (ATCC 25922) by Ricinus communis L," Asian Pacific Journal of Tropical Biomedicine , vol. 2, no. 9, pp. 717-721, 2012. (hindawi.com)
- A. Kadri, N. Gharsallah, M. Damak, and R. Gdoura, "Chemical composition and in vitro antioxidant properties of essential oil of Ricinus communis L ," Journal of Medicinal Plants Research , vol. 5, no. 8, pp. 1466-1470, 2011. (hindawi.com)
- Blood was collected from the calves before the first and after the second immunization and fed to I. ricinus females and nymphs using an in vitro artificial tick feeding system. (frontiersin.org)
- An affinity-purified plant lectin from Ricinus communis (RCA II ) was shown to exhibit differential toxicity toward SV40-transformed 3T3 fibroblasts grown in vitro . (aacrjournals.org)
- Les réponses des accessions ont été évaluées en conditions in vitro sur la base de paramètres morphologiques, biochimiques et de survie des vitroplants. (ajol.info)
Antimicrobial2
- The aim of the present study was to appraise the antimicrobial activity of Ricinus communis L. essential oil against different pathogenic microorganisms and the cytotoxic activity against HeLa cell lines. (biomedcentral.com)
- The present study showed the potential antimicrobial and anticarcinogenic properties of the essential oil of Ricinus communis L., indicating the possibilities of its potential use in the formula of natural remedies for the topical treatment of infections. (biomedcentral.com)
Laevis1
- Ricinus communis f. laevis (DC. (theplantlist.org)
Africanus2
- Ricinus africanus Mill. (theplantlist.org)
- Ricinus africanus Willd. (lucidcentral.org)
Rodents2
- We showed that larvae of I. ricinus transmit B. afzelii and B. miyamotoi to rodents and calculated that rodents have a considerable chance of acquiring infections from larvae compared to nymphs. (biomedcentral.com)
- Candidatus Neoehrlichia mikurensis (CNM) has been described in the hard tick Ixodes ricinus and rodents as well as in some severe cases of human disease. (biomedcentral.com)
Burgdorferi1
- The aim of this study was to examine whether the larvae of I. ricinus can transmit B. burgdorferi ( s.l ) and B. miyamotoi to vertebrate hosts. (biomedcentral.com)
Persulcatus2
- 1. Ixodes ricinus can be mistaken for other tick species such as Ixodes hexagonus and Ixodes persulcatus. (edendelasmercedes.com)
- It is also The Ixodes ricinus species complex comprises certain medically important ticks in the northern hemisphere, including Ixodes scapularis and Ixodes pacificus in North America and Ixodes ricinus and Ixodes persulcatus in Eurasia (Gray et al. (edendelasmercedes.com)
Dispersal1
- The extensive space use of large hosts provides a much larger dispersal potential for I. ricinus than that of smaller mammalian hosts. (uio.no)
South America1
- Locations within which Ricinus communis is naturalised include Australia, USA, Mexico, South America, New Zealand and many oceanic islands with warm climates. (lucidcentral.org)
Adults1
- The density of I. ricinus adults, but not nymphs, was lower in areas grazed by cattle than in ungrazed areas. (medworm.com)
Density2
- Questing I. ricinus density was predicted by several landscape features, such as elevation, distance to the fjord and topographic slope. (uio.no)
- Dobson A & Randolph SE (2011) Modelling the effects of recent changes in climate, host density and acaricide treatments on population dynamics of Ixodes ricinus in the UK, Journal of Applied Ecology, 48 (4), pp. 1029-1037. (stir.ac.uk)
Vegetation3
- Results indicate that I. ricinus high habitat suitability is determined by higher temperature and vegetation index (NDVI) values, lower temperature during driest months and a higher percentage of artificial and forests areas. (medworm.com)
- In order to find a host I. ricinus adopts an ambush strategy, known as "questing," that involves climbing up vegetation and waiting to grab on to a passing host. (wiley.com)
- To find a blood meal, I. ricinus first climbs onto low vegetation to quest for a passing vertebrate host. (biologists.org)
Shrub2
- Ricinus is a fast growing tree which is evergreen, herbaceous and semi-woody large shrub gain height up to 5mt and width is 4.5m wide. (planetayurveda.com)
- Ricinus communis is a long-lived ( perennial ) shrub with can grow to the size of a small tree in suitable conditions. (lucidcentral.org)
Tick species1
- This research aims to identify host species of I. ricinus larvae, keeping in mind that immature stages of this tick species may feed not only on small animals but have the widest range of host species (L'Hostis et al. (springer.com)
Family2
- Euseius ricinus is a species of mite in the family Phytoseiidae. (wikipedia.org)
- Genome-wide survey and expression profiles of the AP2/ERF family in castor bean (Ricinus communis L. (biomedcentral.com)