An order of ameboid protozoa that is commonly uninucleate and possess mitochondria. Most organisms are nonpathogenic.
A genus of free-living amoebae found in fresh water. The cysts usually pass harmlessly through the intestinal tract of man and may thus be found in feces. Occasionally, these organisms cause respiratory tract infections or generalized fatal meningoencephalitis.
A supergroup (some say phylum) of ameboid EUKARYOTES, comprising ARCHAMOEBAE; LOBOSEA; and MYCETOZOA.
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)
An order of protozoa characterized by their ability to aggregate to form a multicellular pseudoplasmodium, which gives rise to a multispored fruiting body. A stalk tube is present.
A genus of free-living soil amoebae that produces no flagellate stage. Its organisms are pathogens for several infections in humans and have been found in the eye, bone, brain, and respiratory tract.
A plant genus of the family CUCURBITACEAE known for the fruit which is the source of the luffa sponge and the seeds which contain luffin.
A dynamic actin-rich extension of the surface of an animal cell used for locomotion or prehension of food.
The study of animals - their morphology, growth, distribution, classification, and behavior.
Images used to comment on such things as contemporary events, social habits, or political trends; usually executed in a broad or abbreviated manner.
A phylum of unicellular parasitic EUKARYOTES characterized by the presence of complex apical organelles generally consisting of a conoid that aids in penetrating host cells, rhoptries that possibly secrete a proteolytic enzyme, and subpellicular microtubules that may be related to motility.
A phylum of EUKARYOTES characterized by the presence of cilia at some time during the life cycle. It comprises three classes: KINETOFRAGMINOPHOREA; OLIGOHYMENOPHOREA; and POLYMENOPHOREA.
A superorder in the class CEPHALOPODA, consisting of the orders Octopoda (octopus) with over 200 species and Vampyromorpha with a single species. The latter is a phylogenetic relic but holds the key to the origins of Octopoda.
Any spaces or cavities within a cell. They may function in digestion, storage, secretion, or excretion.
A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.
A genus of ciliate protozoa that is often large enough to be seen by the naked eye. Paramecia are commonly used in genetic, cytological, and other research.
The part of a cell that contains the CYTOSOL and small structures excluding the CELL NUCLEUS; MITOCHONDRIA; and large VACUOLES. (Glick, Glossary of Biochemistry and Molecular Biology, 1990)
A genus of protozoa, formerly also considered a fungus. Its natural habitat is decaying forest leaves, where it feeds on bacteria. D. discoideum is the best-known species and is widely used in biomedical research.
Specific particles of membrane-bound organized living substances present in eukaryotic cells, such as the MITOCHONDRIA; the GOLGI APPARATUS; ENDOPLASMIC RETICULUM; LYSOSOMES; PLASTIDS; and VACUOLES.
Integral membrane proteins that transport protons across a membrane. This transport can be linked to the hydrolysis of ADENOSINE TRIPHOSPHATE. What is referred to as proton pump inhibitors frequently is about POTASSIUM HYDROGEN ATPASE.
A species of free-living soil amoebae in the family Acanthamoebidae. It can cause ENCEPHALITIS and KERATITIS in humans.
Infection of the cornea by an ameboid protozoan which may cause corneal ulceration leading to blindness.
Infection with any of various amebae. It is an asymptomatic carrier state in most individuals, but diseases ranging from chronic, mild diarrhea to fulminant dysentery may occur.
A genus of ameboid protozoa. Characteristics include a vesicular nucleus and the formation of several lodopodia, one of which is dominant at a given time. Reproduction occurs asexually by binary fission.
A genus of coccidian parasites of the family CRYPTOSPORIDIIDAE, found in the intestinal epithelium of many vertebrates including humans.
A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. aeruginosa is a major agent of nosocomial infection.
Lists of words, usually in alphabetical order, giving information about form, pronunciation, etymology, grammar, and meaning.
The terms, expressions, designations, or symbols used in a particular science, discipline, or specialized subject area.
A group (some say infraphylum) of AMOEBOZOA that lack mitochondria.
Infections with unicellular organisms formerly members of the subkingdom Protozoa.
Infections of the INTESTINES with PARASITES, commonly involving PARASITIC WORMS. Infections with roundworms (NEMATODE INFECTIONS) and tapeworms (CESTODE INFECTIONS) are also known as HELMINTHIASIS.
A species of parasitic protozoa causing ENTAMOEBIASIS and amebic dysentery (DYSENTERY, AMEBIC). Characteristics include a single nucleus containing a small central karyosome and peripheral chromatin that is finely and regularly beaded.
A synthetic tetracycline derivative with similar antimicrobial activity.
Drugs whose drug name is not protected by a trademark. They may be manufactured by several companies.
Facilities for the preparation and dispensing of drugs.
The practice of compounding and dispensing medicinal preparations.
Instructions issued by a physician pertaining to the institution, continuation, or withdrawal of life support measures. The concept includes policies, laws, statutes, decisions, guidelines, and discussions that may affect the issuance of such orders.
Formal instruction, learning, or training in the preparation, dispensing, and proper utilization of drugs in the field of medicine.
Educational institutions for individuals specializing in the field of pharmacy.
Common name of the order Siluriformes. This order contains many families and over 2,000 species, including venomous species. Heteropneustes and Plotosus genera have dangerous stings and are aggressive. Most species are passive stingers.
Infections with the protozoa of the phylum EUGLENOZOA.
A genus of flagellate protozoans found in the blood and lymph of vertebrates and invertebrates, both hosts being required to complete the life cycle.
The agent of South American trypanosomiasis or CHAGAS DISEASE. Its vertebrate hosts are man and various domestic and wild animals. Insects of several species are vectors.
A hemoflagellate subspecies of parasitic protozoa that causes nagana in domestic and game animals in Africa. It apparently does not infect humans. It is transmitted by bites of tsetse flies (Glossina).
An order of flagellate protozoa. Characteristics include the presence of one or two flagella arising from a depression in the cell body and a single mitochondrion that extends the length of the body.
Water containing no significant amounts of salts, such as water from RIVERS and LAKES.
A free-living soil amoeba pathogenic to humans and animals. It occurs also in water and sewage. The most commonly found species in man is NAEGLERIA FOWLERI which is the pathogen for primary amebic meningoencephalitis in primates.

SSU rRNA-based phylogenetic position of the genera Amoeba and Chaos (Lobosea, Gymnamoebia): the origin of gymnamoebae revisited. (1/10)

Naked lobose amoebae (gymnamoebae) are among the most abundant group of protists present in all aquatic and terrestrial biotopes. Yet, because of lack of informative morphological characters, the origin and evolutionary history of gymnamoebae are poorly known. The first molecular studies revealed multiple origins for the amoeboid lineages and an extraordinary diversity of amoebae species. Molecular data, however, exist only for a few species of the numerous taxa belonging to this group. Here, we present the small-subunit (SSU) rDNA sequences of four species of typical large gymnamoebae: Amoeba proteus, Amoeba leningradensis, Chaos nobile, and Chaos carolinense. Sequence analysis suggests that the four species are closely related to the species of genera Saccamoeba, Leptomyxa, Rhizamoeba, Paraflabellula, Hartmannella, and Echinamoeba. All of them form a relatively well-supported clade, which corresponds to the subclass Gymnamoebia, in agreement with morphology-based taxonomy. The other gymnamoebae cluster in small groups or branch separately. Their relationships change depending on the type of analysis and the model of nucleotide substitution. All gymnamoebae branch together in Neighbor-Joining analysis with corrections for among-site rate heterogeneity and proportion of invariable sites. This clade, however, is not statistically supported by SSU rRNA gene sequences and further analysis of protein sequence data will be necessary to test the monophyly of gymnamoebae.  (+info)

Cytoskeletal organization, phylogenetic affinities and systematics in the contentious taxon Excavata (Eukaryota). (2/10)

An overview of the controversial proposal for the major eukaryote taxon "Excavata" is presented. Excavata is predicted to include at least ten distinct groups: jakobids, Malawimonas, Trimastix, Carpediemonas, retortamonads, diplomonads, Heterolobosea, oxymonads, parabasalids and Euglenozoa. These "excavates" have broadly similar flagellar apparatus organizations, for which a "universal" terminology is provided. Most, but not all, of these organisms share a distinctive suspension-feeding groove, as well as some or all of a set of seven other proposed cytoskeletal apomorphies. Cladistic analyses of morphological data do not resolve high-level relationships within Excavata. Excavate-rich molecular phylogenies recover some robust clades, but do not support or strongly refute the monophyly of Excavata. A partial classification for excavates is presented, with phylogenetic diagnoses for Excavata and for two novel taxon names, Fornicata (Carpediemonas, retortamonads, diplomonads) and Preaxostyla (Trimastix, oxymonads).  (+info)

Vertical distribution of the free-living amoeba population in soil under desert shrubs in the Negev desert, Israel. (3/10)

A field study was designed to examine the effect of desert shrubs on the dynamics of free-living amoebae in arid soil. Soil samples from 0- to 50-cm depths were collected at 10-cm intervals in each of the four seasons. The vertical distributions of the four main morphological types of amoebae, grouped according to their mobility, and of small flagellate populations were measured under the canopies of Hammada scoparia and Atriplex halimus, shrubs belonging to the chloride-absorbing xerohalophytes. The result obtained from the field study demonstrated that the total number of protozoa was significantly higher during the wet seasons (winter and spring) than during the dry seasons. The protozoan population was more diverse under the canopy of H. scoparia during the wet seasons, reaching 8,000 individuals per 1 g of dry soil, whereas during the dry seasons, the populations were higher under the canopy of A. halimus, with a mean of 250 individuals. The protozoan population in the deeper layers (40 to 50 cm) was found to be as active as that in the upper layers, demonstrating that, in the desert, soil columns below 20 cm are fertile and worth studying. The type 1 amoebae (e.g., Acanthamoeba and Filamoeba spp.) were the most abundant throughout the study period, and their numbers were significantly higher than those of the other amoeba types.  (+info)

Type IV pili and type II secretion play a limited role in Legionella pneumophila biofilm colonization and retention. (4/10)

Legionellae colonize biofilms in building water systems, yet little is known about their interaction with the organisms in these microbial communities. The role of Legionella pneumophila type IV pili and the type II secretion pre-pilin peptidase was evaluated in a model biofilm system. L. pneumophila strains 130b (wild-type), BS100 (a type IV pili mutant) and NU243 (a pre-pilin peptidase mutant) were assessed for attachment and retention in an established biofilm. Strains 130b and NU243 colonized the biofilm at a similar level while BS100 attached at a tenfold lower level. Over time, NU243 dropped below the level of detection while BS100 remained in the biofilm throughout the course of the experiment. The wild-type strain decreased but remained at a considerably higher level than either of the mutants. Inclusion of amoebae with BS100 allowed for attachment and retention at a level similar to 130b. NU243, which displays reduced intracellular replication, was able to establish itself and persist in the presence of amoebae. Thus, type IV pili and the pre-pilin peptidase facilitate L. pneumophila colonization of biofilms but are not required in the presence of a host for intracellular replication.  (+info)

Evolution of size and pattern in the social amoebas. (5/10)

A fundamental goal of biology is to understand how novel phenotypes evolved through changes in existing genes. The Dictyostelia or social amoebas represent a simple form of multicellularity, where starving cells aggregate to build fruiting structures. This review summarizes efforts to provide a framework for investigating the genetic changes that generated novel morphologies in the Dictyostelia. The foundation is a recently constructed molecular phylogeny of the Dictyostelia, which was used to examine trends in the evolution of novel forms and in the divergence of genes that shape these forms. There is a major trend towards the formation of large unbranched fruiting bodies, which is correlated with the use of cyclic AMP (cAMP) as a secreted signal to coordinate cell aggregation. The role of cAMP in aggregation arose through co-option of a pathway that originally acted to coordinate fruiting body formation. The genotypic changes that caused this innovation and the role of dynamic cAMP signaling in defining fruiting body size and pattern throughout social amoeba evolution are discussed.  (+info)

Molecular confirmation of Sappinia pedata as a causative agent of amoebic encephalitis. (6/10)

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Amoebae and Legionella pneumophila in saline environments. (7/10)

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Water-related parasitic diseases in China. (8/10)

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Sappinia pedata is a species of Amoebozoa. Sappinia is a free-living amoeba (a single-celled organism), found in the environment. There are two known species of Sappinia: Sappinia diploidea and Sappinia pedata. Sappinia can cause a disease similar to GAE, However only one case of GAE due to Sappinia infection has ever been reported. In 1998, a healthy 38-year-old man from Texas was found to be infected with Sappinia pedata. Although the patient was hospitalized, he survived without any long-term consequences. This article incorporates public domain material from websites or documents of the Centers for Disease Control and Prevention. Brown, M.; Spiegel, F.; Silberman, J. (2007). Amoeba at attention: phylogenetic affinity of Sappinia pedata. The Journal of eukaryotic microbiology. 54 (6): 511-519. doi:10.1111/j.1550-7408.2007.00292.x. PMID 18070328. Qvarnstrom, Y.; Da Silva, A.; Schuster, F.; Gelman, B.; Visvesvara, G. (2009). Molecular confirmation of Sappinia pedata as a causative agent of ...
Natura - nature Mundus - physical world;material world Naturalia Biota Domain Eukaryota - eukaryotes Kingdom Protozoa - protozoa Subkingdom Sarcomastigota Phylum Amoebozoa [Subphylum Lobosa] 1.0 [ Gymnamoebae] - naked ramicristate amoebae H,N,P,R,B,L; Ref:A. Rogerson & D.J. Patterson, 2000[2002]:1023 (indirect position ...
The genus Sappinia with the single species Sappinia pedata was established for an amoeba with two nuclei and pedicellate cysts by Dangeard in 1896. In 1912, Alexeieff transferred an also double nucleated, but apparently sexually reproducing amoeba to this genus as Sappinia diploidea that had been described as Amoeba diploidea by Hartmann and Nägler in 1908. Molecular analyses have confirmed the differentiation between S. pedata and S. diploidea; however, the genus splits into more than two well separated clusters. The genus Sappinia is now classified as a member of the Thecamoebidae and, moreover, as potentially pathogenic. Subacute or chronic CNS infections due to Acanthamoeba spp, Balamuthia mandrillaris, and Sappinia spp., which occasionally cause cerebral abscess, are termed granulomatous amebic encephalitis (GAE). In 2001, Gelman and colleagues reported a case of severe encephalitis in an immunocompetent young man caused by Sappinia. Another case of GAE and abscess formation was reported ...
Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website ...
iwlearn.net is a content management system that supports knowledge sharing in the GEF International Waters portfolio. Digital outputs from GEF IW Conferences, guidance materials and products of GEF IW:LEARN or water-related learning are freely available. Real time GPS tracking app ...
Schleuter, D. , Haertel-Bohrer, S. , Fischer, P. and Eckmann, R. (2007): Respiration rates of Eurasian perch Perca fluviatilis and ruffe Gymnocephalus cernuus: lower energy costs in groups. , Transactions of the American Fisheries Society ...
... perche commune, perche franche ou encore perche française (Perca fluviatilis) est une espèce de poisson deau douce de la famille des ... Actinopterygii, Perciformes, Percidae, Perca fluviatilis, poisson
FINDLAY - Cooper Tire & Rubber Co. has proven its possible to make car tires exclusively with rubber derived from a domestically grown desert shrub, a potential breakthrough as the industry looks to insulate itself against volatile pricing of foreign-sourced natural tree rubber and synthetic rubber made from petroleum.. Cooper announced the results of the five-year government-funded research project Thursday. Cooper was the lead partner in a consortium that included two universities, an agricultural company, and the U.S. Department of Agriculture.. RELATED: Cooper makes progress with guayule , Cooper tests promising for rubber made in U.S.. Based on our findings, Cooper could use guayule rubber in tire production tomorrow if enough material was available to meet our production needs at a competitive price, Chuck Yurkovich, Coopers senior vice president of global research and development, said in a statement.. Guayule - pronounced why-YOU-lee - is a stout shrub that grows wild in the arid ...
Photo/image European perch (Perca fluviatilis), Family: Percidae. Location Aqua Silkeborg. Photographer: JC Schou, Photoid 18309
The individual animal is currently a major focus of behavioural research and an increasing number of studies raise the question of how between-individual behavioural consistency and behavioural plasticity interact. Applying the reaction norm concept on groups, our study addresses both of these aspects in one framework and within an animals natural social environment. Risk-taking behaviour in 1-year-old perch Perca fluviatilis was assayed in aquarium experiments before and after the fish were subjected to the presence or absence of a piscivorous predator for 3weeks. To analyse the inter-individual behavioural variation across the repeated measurements, we dissected the behavioural change across the predator treatment into individual constant and plastic components using hierarchical mixed-effects models. During the predator treatment, juvenile perch increased in boldness and decreased in vigilance, the magnitude of these behavioural changes was influenced by group composition. However, the ...
Abstract: Glen Canyon National Recreation Area (NRA) is located in the Canyonlands district of the Colorado Plateau in southeastern Utah and northern Arizona. Glen Canyon NRA encompasses 1,254,117 acres of warm-temperate desert shrub, salt desert shrub, sand desert shrub, pinyon-juniper woodlands, riparian, and hanging garden vegetation communities. A total of 780 taxa of vascular plants, representing 90 families, are vouchered from within the park boundaries; 129 of these taxa are additions to the flora of Glen Canyon NRA. An additional 75 previously reported, but unvouchered, taxa were also identified in this study. Glen Canyon NRA is home to a number of rare and/or endemic species, including Cycladenia humilis Benth. var. jonesii (Eastw.) Welsh & Atwood, Astragalus preussii Gray var. cutleri Barneby, Phacelia indecora J.T. Howell, and Carex specuicola J.T. Howell. These species are of special interest to Glen Canyon NRA Natural Resource Division and Utah and Arizona Natural Heritage Programs, ...
Michael E. St. Louis, M.D. Enteric Disease Branch, Division of Bacterial Diseases, Center for Infectious Diseases INTRODUCTION Since 1971 CDC has tabulated data on waterborne disease outbreaks separately from those for foodborne disease outbreaks and compiled these data in annual reports. The Water-Related Diseases Activity has the following goals: 1) to determine trends in the incidence of water-related diseases in the United States, 2) to characterize the epidemiology of water-related diseases, 3) to disseminate information on prevention and control of water-related diseases to appropriate public health personnel, 4) to train federal, state, and local health department personnel in epidemiologic techniques used to investigate water-related disease outbreaks, and 5) to collaborate with local, state, and other federal and international agencies in initiatives concerning prevention of water-related diseases. In addition to waterborne disease outbreaks associated with water intended for drinking, ...
Determination of hematology and blood plasma biochemistry values is routinely used to assess the health of wild and domestic animals. Yellow perch (Perca flavescens) culture is a growing segment of the U.S. aquaculture industry and tools are needed to monitor the health status of these fish. This paper reports reference values for complete hematological and biochemistry profiles of normal, healthy yellow perch raised in recirculation culture conditions. The following hematologic values were determined: packed cell volume, plasma protein, erythrocyte, leukocyte, lymphocyte, neutrophil, monocyte, and thrombocyte numbers. A description of leukocyte morphology is presented. Additionally, the following plasma biochemical values were determined: total protein, albumin, globulin, creatinine, total bilirubin, alkaline phosphatase, aspartate aminotransferase, sodium, potassium, chloride, calcium, phosphorus, magnesium, glucose, and cholesterol. Reference values for a specific population of fish need to ...
1. 2006 Gast, R.J., D.M. Moran, D.J. Beaudoin, J.N. Blythe, M.R. Dennett and D.A. Caron. High abundance of a novel dinoflagellate phylotype in the Ross Sea, Antarctica, Journal of Phycology 42:233-242.. 2. 2007 Moran, D.M., O.R. Anderson, M.R. Dennett, D.A. Caron and R.J. Gast. A description of seven Antarctic marine Gymnamoebae including a new subspecies, two new species and a new genus: Neoparamoeba aestuarina antarctica n subsp., Platyamoeba oblongata n. sp., Platyamoeba contorta n. sp. and Vermistella antarctica n. gen. n. sp., Journal of Eukaryotic Microbiology 54(2):169-183.. 3. 2007 Gast, R.J., D.M. Moran, M.R. Dennett and D.A. Caron. Kleptoplasty in an Antarctic dinoflagellate; caught in evolutionary transition?, Environmental Microbiology 9(1):39-45. Antarctic dinoflagellate colony cover image.. 4. 2007 Rose, JM and DA Caron. Does low temperature constrain the growth rates of heterotrophic protists? Evidence and implications for algal blooms in cold waters, Limnology and Oceanography, ...
Understanding water-related diseases. Four types of water-related diseases. There are many different kinds of pathogens, parasites, viruses and bacteria that can be found in water. The four different types of water-related diseases include:. Waterborne diseases. These are what are known as diseases that are transmitted via drinking water like cholera and typhoid.. Water-washed or water-scarce diseases. This refers to diseases that tend to spread when there is a scarcity of water. The act of washing ones hands is among the most effective means of preventing infection, but when water is scarce routine tasks such as this often get neglected. When there is less water, or less clean water, available for proper hygiene habits, such as for use in lavatories, as well as for regular washing of hands and washing of food during preparation, diseases tend to spread more easily. Water based diseases. These are diseases that infect the body via contact. This means that bathing or swimming in water ...
Ecosystems replenish and purify water resources and need to be protected to safeguard human and environmental resilience. Ecosystem monitoring, including that of ecosystem health, highlights the need to protect and conserve ecosystems and enables policy- and decision makers to set de facto management objectives. In this report you can learn more about water-related ecosystem monitoring and initial status findings.. This report is part of a series that track progress towards the various targets set out in SDG 6 using the SDG global indicators. To learn more about water and sanitation in the 2030 Agenda for Sustainable Development, and the Integrated Monitoring Initiative for SDG 6, visit the website: www.sdg6monitoring.org. Versions in Arabic, Chinese, English, French, Russian, Spanish.. ...
The caption on the NRDC website says: NRDC compiled local and regional research on the water-related impacts facing 12 U.S. cities due to climate change. Here is a snapshot of some of those threats. More information about each figure is available in each corresponding chapter. Note: if a particular impact is not included in our summary chart, it does not necessarily mean that city is not vulnerable to that impact. Rather, it means that we did not find well-documented local research or data studying or making a determination about that change or impact. ...
Theres no doubt about it. The world is facing a water crisis. However, for forward thinking investors, that could mean a huge opportunity.
A close look at the countrys top water-related challenges - and the governments efforts to address them. This article was adapted from AQs latest
A study of the interactions between lead (Pb) shot and the soil, and the fate of Pb at shooting ranges was conducted in order to address the lack of research on these issues at the current time. Surveys of the spatial and vertical distributions of Pb in t ...
Journal of Food Science ; Volume 79. p. S1568-S1574. 2014. Roth, Bjørn; Kramer, Lene; Skuland, Aase Vorre; Løvdal, Trond; Øines, Sigurd; Foss, Atle; Imsland, Albert. A total of 18 farmed turbot (Scophthalmus maximus) were slaughtered over 4 successive weeks in November 2012 and stored in polystyrene boxes with ice until analyzed. The fish were stored between 1 and 22 d and presented to a taste panel and further analyzed for quality index method (QIM), microbiological analysis by real-time quantitative PCR (qPCR), taste, pH, color by computer imaging, protein denaturation with differential scanner calorimeter (DSC), texture hardness, and shear force. Results show small, but significant changes in physical and visual attributes such as texture and color. No gaping was observed. Only small changes in texture were observed explained by lack of myosin denaturation. The fillets became more white and yellow during storage, whereas the major changes occurred during the 1st week. A panel evaluating ...
Home » Iodamoeba. Iodamoeba a genus of parasitic amoebae in the superclass rhizopoda, order Amoebida. iodamoeba butschlii, a parasitic amoeba in the large intestine of man; trophozoites are usually 9 to 14 um in diameter; the cysts are usually 8 to 10 um in diameter, uninucleate and somewhat irregular in shape, with a thick wall and a large compact mass of glycogen that stains deeply with a solution of iodine; clinically recognizable amoebiasis caused by this organism is rare, with symptoms resembling those of chronic disease caused by Entamoeba histolytica; it is also found in other primates and is the commonest amoeba of pigs. ...
redescription Kudenov, Jerry D. and Harris, Leslie H. 1995. Family Syllidae Grube, 1850. pages 1-97. IN: Blake, James A.; Hilbig, Brigitte; and Scott, Paul H. Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. 5 - The Annelida Part 2. Polychaeta: Phyllodocida (Syllidae and scale-bearing families), Amphinomida, and Eunicida. Santa Barbara Museum of Natural History. Santa Barbara [details] ...
Honey mesquite is a single- to multi-stemmed, nitrogen-fixing, mostly deciduous, large shrub to medium-sized tree growing 1.5 to 35 feet tall. Its tiny, greenish-white to yellowish-white flowers have both male and female parts and are grouped tightly on elongated spikes that are somewhat showy, and droop. Flowering can begin on trees as early as three years of age. They are insect-, possibly wind-, and self-pollinated.. Honey mesquite grows in warm desert shrub communities and grasslands, and on plains, terraces, washes, and riparian sites, riverbanks, and bars, dry lakes, playas, hummocked dunes, mesas, and talus slopes where plants have access to permanent underground water. It is adapted to most soil types. Although it is found on hummocky sand dunes to calcareous clay, it grows best in medium- to fine-textured soils. It is a drought-tolerant plant.. ...
Moroccan oil from the desert shrub Argania spinosa was commercially developed as an ecologic/economic strategy. Goals were to halt Sahara expansion by...
This class was anticipated by some biologists like Jahn, who grouped all amoebae with granular pseudopodia together,[1] but most split the lobose amoebae into testate Testacealobosia and naked Gymnamoebia. These latter are polyphyletic, but molecular trees by Bolivar et al.[2] identified a core monophyletic subgroup. Subsequent studies showed the testate lobose amoebae belong to the same group, which was thus renamed Lobosea sensu stricto[3] or Tubulinea.[4]. ...
Article Water-related disaster risk reduction: time for preventive action! Position paper of the High Level Experts and Leaders Panel (HELP) on water and disasters. Climate change is exacerbating the extremes in hydro-meteorological events. Together ...
Clausena excavata (C. excavata) has been used as a traditional medicine for the treatment of abdominal pain, enteritis, dysentery, and malaria. The present study was designed to evaluate the effect of a 50% ethanol extract of C. excavata (ECE) on weight loss, adipocyte size, and obesity-related biochemical parameters in high-fat diet (HFD)-induced obese mice. After 6 weeks of HFD + ECE administration, HFD-induced total fat, subcutaneous fat, and visceral fat were evaluated by micro-computed tomography. The serum levels of triglyceride (TG), total cholesterol (TCH), high-density lipoprotein (HDL) cholesterol, and low-density lipoprotein (LDL) cholesterol were evaluated with a biochemical analyzer, and leptin and adiponectin levels in the serum were assessed via enzyme-linked immunoassay (ELISA ...
Native: indigenous.. Non-native: introduced (intentionally or unintentionally); has become naturalized.. County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Also covers those considered historical (not seen in 20 years). State documented: never been documented from the county, but known from the state. May be present. Or, may be restricted to a small area or a habitat (alpine, marsh, etc.), so unlikely found in some counties.. Note: when native and non-native populations both exist in a county, only native status is shown on the map.. ...
At any one point in time, 50 percent of all people in the developing world will be in hospital suffering from one or more water-related diseases. Most will be children, water-related diseases being the second biggest killer of children worldwide (after acute respiratory diseases like Tuberculosis), according to Water Aid. (Diarrhea alone has killed more children in 10 years than all the people killed in wartime since World War 2, according to UNICEF).. The situation in the developing world will be particularly difficult moving forward, the U.N.s fourth Global Environment Outlook (GEO-4) is warning -- by 2025, it says, the developing worlds demand for water will have increased by 50 percent (the need of developed countries will have only increased by 18 percent).. Increased demand comes at a time when freshwater stocks are falling in many places. Already in western Asia, reports The Independent, freshwater stocks have fallen from 1,700 cubic meters per person per year in the 1980s to 907 today ...
Water and Sanitation Water-related diseases cause a significant strain on Human health In Kenya and World At large. Most of the diseases occur due to unavailability of clean water either for drinking, cooking or cleaning food substances. Others occur as a result of poor sanitation and personal hygiene. Water-related diseases ...
Inadequate drinking-water, sanitation and hygiene are estimated to cause 842,000 diarrhoeal disease deaths per year (WHO 2014), and contribute substantially to the other diseases listed below. ...
As part of the study of the ammonia budget over Great Dun Fell, measurements of fluxes of gaseous ammonia (NH3) with the hill surface (grass moorland and blanket bog) were made using micrometeorological techniques, to provide information on NH3 removal by the hill surface and on vertical concentration gradients. Measurements of vertical concentration, χ, profiles of NH3 concentration were coupled with turbulent diffusivities to determine fluxes, Fg deposition velocities, and canopy resistances, Rc to uptake by the ground. Consistent with published measurements for this site, NH3 was generally found to deposit efficiently to the vegetation canopy, with mean Rc of 5 and 27 s m− for example days shown. However, short periods of NH3 emission from the moorland were also observed at small χ (, 0.3 μgm−3). Under these conditions of bidirectional exchange, the Rc model does not adequately describe the exchange process, and an alternative model was applied, which treats both the resistance for ...
Carbonaceous compositions, water-soluble ionic species and trace gaseous species were identified and quantified in Hat-Yai city, Thailand. All...
The following is a collection of water-related papers and book chapters that have contributions by Water Institute members, listed by date released online.
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The effects of 2 injected bacterins, Vibrio damsela and Pasteurella piscicida O-antigen bacterins, on the cell type composition of the peripheral blood and head kidney and on the phagocytic activity of the head kidney leucocytes were studied in turbot Scophthalmus maximus L. Blood and head kidney samples were collected from treated and non-treated turbot at different times in the 168 h period after injection. The number of neutrophils increased markedly in the peripheral blood of P. piscicida O-antigen injected turbot 24 h after injection, being significantly higher (p , 0.01) than the neutrophil number in V. damsela O-antigen injected turbot. Forty-eight hours after injection, the numbers of head kidney neutrophils and macrophages in V. damsela and in P. piscicida O-antigen injected turbot increased significantly (p , 0.05) compared with those in saline-injected turbot while the neutrophils in the peripheral blood decreased in fish treated with each of the vaccines. Turbot neutrophils have ...
MicroRNAs (miRNAs) are a group of small non-coding RNAs, which could bind to the 3′-untranslated regions of their target mRNAs to regulate gene expression in various biological processes, including immune-regulated signaling pathways. Turbot (Scophthalmus maximus L.), an important commercial fish species in China, has been suffering with Vibrio anguillarum infection resulted in dramatic economic loss. Therefore, we investigated the expression profiles of miRNAs, as well as the immune-related miRNA-mRNA pairs in turbot intestine at 1 h, 4 h, and 12 h following V. anguillarum infection. As a result, 266 predicted novel miRNAs and 283 conserved miRNAs belonging to 92 miRNA families were detected. A total of 44 miRNAs were differentially expressed in the intestine following V. anguillarum infection. Following prediction, the potential target genes of differentially expressed miRNAs were grouped into a wide range of functional categories, including immune defense/evasion, inflammatory responses, ...
In the present work, the effect of nisin on the non-specific immune response of turbot (Scophthalmus maximus L.) leukocytes has been studied both in vitro and in vivo. The head kidney macrophage chemiluminescent (CL) response was significantly increa
Fish consumption is a potential route of human exposure to the hepatotoxic microcystins, especially in lakes and reservoirs that routinely experience significant toxic Microcystis blooms. Understanding the rates of uptake and elimination for microcystins as well as the transfer efficiency into tissues of consumers are important for determining the potential for microcystins to be transferred up the food web and for predicting potential human health impacts. The main objective of this work was to conduct laboratory experiments to investigate the kinetics of toxin accumulation in fish tissue. An oral route of exposure was employed in this study, in which juvenile yellow perch (Perca flavescens) were given a single oral dose of 5 or 20 μg of microcystin-LR (MC-LR) via food and accumulation in the muscle, liver, and tank water were measured over 24 h. Peak concentrations of the water soluble fraction of microcystin were generally observed 8-10 h after dosing in the liver and after 12-16 h in the muscle,
Study site: This research was conducted on the Sevilleta LTER, located 100 km south of Albuquerque, New Mexico, which is an ecotonal landscape of Chihuahuan desert shrub and grasslands (Muldavin et al. 2008). Data were collected from a 0.9 x 0.5km strip of land that encompassed a flat bajada and a shallow rocky canyon of mixed desert shrub and grassland dominated by the creosote bush (Larrea tridentata) and black grama grass (Bouteloua eriopoda). Tissue collection & sample preparation for stable isotope analysis:. From May to October of 2005 and 2006 we collected plant, lizard, and arthropod tissues for carbon stable isotope analysis. During mid-summer of 2005, we randomly collected leaf and stem samples from the 38 most abundant species of plants; these species produce over 90% of the annual biomass on our study site (see Appendix Table A). Approximately 3.5 mg of plant material was then loaded into pre-cleaned tin capsules for isotope analysis. All animal research was conducted with the ...
To study the effect of morphometric attributes on body weight of the turbot Scophthalmus maximus,morphometric measurement was taken on 1120 3-month-old turbots sampled in a local company in Yantai,Shandong of China.The attributes used in this study include body length,total length,body depth,head length,length between snout tip and frontal of gill cleft,tail handle length,tail handle height,body width,and body weight.A correlation coefficient matrix was constructed,in which the body weight was used as the dependent variable and other attributes as independent variables for path analysis.The path coefficients(P_i),determination coefficients(d_i and d_ ij),and correlation index(R2) were calculated,and major morphometric attributes determined.The results showed that all the correlation coefficient between each independent variable and dependent variable(body weight) were significantly different(P0.01).The total length gave a predominant direct effect(0.720) and determinacy on the body weight,it is the key
Gastric ulcers are common problems among individuals of all ages. Here we explored the potential anti-ulcer activity of a natural plant (C. excavata) against the development of gastric ulcer as well as progression of the condition in model rats. The methanolic extract of the plant showed promising preventive effects against ulcer development and resolution.
Mrs Sarmin Sultana of Dhaka University presents at SWWW2010 research into storing freshwater in saline environments. Highlighting current water access in...
The series continues to be an invaluable collection of all kinds of water-related materials, ranging from concise stand-alone chapters on important topics to numerous sections of data.. -Journal of the American Water Resources Association. ...
The dynamics of water confined in various self-assembled liquid-crystalline phases of the system Dimodan U/J-R(+)-limonene-water have been investigated by dielectric relaxation spectroscopy (DRS) over a wide range of frequencies (0.2 ≤ ν/GHz ≤ 50). For all phases, two water-related Debye processes were detec International Soft Matter Conference 2010 International Soft Matter Conference 2010 Web Theme
The Lifesaving Society is a national, independent, charitable organization that works to prevent drowning and water-related injury through its training programs, Water Smart® public education, aquatic safety management services, drowning research and life
Kessler, K.F. 1874: Pisces. In: Fedtschenskos Expedition to Turkestan. Zoogeographical Researches. Izvestiia Imperatorskago Obschchestva Liubitelei Estestvozaniia, Antropologii i Etnografii 11 : i-iv + 1-63, Pls. 1-8.BHL ...
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Order Amoebida), for Certain Cyst-Forming Filose Amoebae". Transactions of the American Microscopical Society. 94 (1): 93-98. ... Lewis, Earl; Thomas Sawyer (1979). "Acanthamoeba tubiashi n. sp., a New Species of Fresh-Water Amoebida (Acanthamoebidae)". ...
Amoebida, Paramoebidae), a pathogenic amoeba from the sea urchin, Strongylocentrotus droebachiensis, in Eastern Canada". ...
... amoebida MeSH B01.500.841.750.656.475.100.075 - acanthopodina MeSH B01.500.841.750.656.475.100.075.080 - acanthamoeba MeSH ...
Entamoeba histolytica adalah protozoa parasit, bagian dari genus Entamoeba.[1] Protozoa ini menginfeksi manusia dan primata lainnya. E. histolytica diperkirakan telah menginfeksi sekitar 50 juta orang di seluruh dunia. ...
Nuclear division in nine species of small free-living amoebae and its bearing on the classification of the order Amoebida. B. N ... Nuclear division in nine species of small free-living amoebae and its bearing on the classification of the order Amoebida ... Nuclear division in nine species of small free-living amoebae and its bearing on the classification of the order Amoebida. ... Nuclear division in nine species of small free-living amoebae and its bearing on the classification of the order Amoebida ...
Order Amoebida), for Certain Cyst-Forming Filose Amoebae". Transactions of the American Microscopical Society. 94 (1): 93-98. ... Lewis, Earl; Thomas Sawyer (1979). "Acanthamoeba tubiashi n. sp., a New Species of Fresh-Water Amoebida (Acanthamoebidae)". ...
Amoebida family Hartmannellidae Name. Homonyms. Hartmannellidae. Bibliographic References. * Aphia2006 * Hayward, P.J.; Ryland ...
Amoebida, Paramoebidae), a pathogenic amoeba from the sea urchin, Strongylocentrotus droebachiensis, in Eastern Canada". ...
Wailes, G.H. (1937). Canadian Pacific fauna: 1. Protozoa. 1a. Lobosa; lb. Reticulosa; 1c. Heliozoa; 1d. Radiolaria. pp. 1-14. Toronto: Univ. Toronto Press, Fisheries Research Board of Canada. Wailes, G.H. (1939). Canadian Pacific fauna. 1. Protozoa. 1e. Mastigophora. pp. 1-45, Fig. 138. Toronto: Univ. Toronto Press, Fisheries Research Board of Canada. Wailes, G.H. (1943). Canadian Pacific fauna: 1. Protozoa. 1f. Ciliata; 1g. Suctoria. pp. 1-46. Toronto: Univ. Toronto Press, Fisheries Research Board of Canada. Protozoa ...
Protoplasta (Arcellida, Amoebida et Gregarinae). *Moneres (Protamoebae, Protogenida et Vibriones). *Flagellata. *Diatomea ...
Amoebida, Vahlkampfiidae), Protistologica 9, 417-426, 1973.. About This Page. This page is being developed as part of the Tree ...
Order Amoebida (or Blastocystea). Family Blastocystidae. Genus Blastocystis. Species Hominis. Relationship of Blastocystis ...
any of the microscopic unicellular protozoans of the rhizopodan order Amoebida. The well-known type species, Amoeba proteus, is ...
Categories: Amoebida Image Types: Photo, Illustrations, Video, Color, Black&White, PublicDomain, CopyrightRestricted 260 images ...
ORDER Amoebida. Entamoeba histolytica. E. coli. Endolimax nana. Iodamoeba buetschlii. Stages. Trophs and cysts in fecal smear ...
Pussard, M. , and Pons, R. Morphologie de la paroi kystique et taxonomie du genre Acanthamoeba (Protozoa, Amoebida). ...
Pussard, M. , and Pons, R. Morphologie de la paroi kystique et taxonomie du genre Acanthamoeba (Protozoa, Amoebida). ...
Amoebida). Protistologica, 1976, 12, p. 571-576. 33. Moura, H., Wallace, S., Visvesvara, G. S. Acanthamoeba healyi n. sp. and ... Amoebida, Acanthamoebidae). Protistologica, 1979, 15, p. 87-102. 43. Pussard, M. Le genre Acanthamoeba Volkonsky, 1931 ( ... Page, F. C. Rosculus ithacus Hawes, 1963 (Amoebida, Flabellulidae) and the amphizoic tendency in amoebae. Acta Protozool., 1974 ... Pussard, M., Pons, R. Morphologie de la paroi kystique et taxonomie du genre Acanthamoeba (Protozoa, Amoebida). Protistologica ...
Morphologie de la paroi kystique et taxonomie du genre Acanthamoeba (Protozoa, Amoebida). Protistologica, 8:57-59 (In Spanish) ...
Isolation and identification of pathogenic Naegleria australiensis (Amoebida, Vahlkampfiidae) from a spa in northern Italy. ...
1) A genus of amoebas of the order Amoebida.. (2) An imprecise name for several types of free-living unicellular phagocytic ... Parasitology A genus of amebas of the order Amoebida. amoeba. Ameba An imprecise name for several types of free living ...
a genus of parasitic amoebae in the superclass rhizopoda, order Amoebida. iodamoeba butschlii, a parasitic amoeba in the large ...
The order Amoebida may be divided further into those organisms which are principally free-living and those which are strictly ... All amebas belong to the phylum Protozoa, the class Rhizopoda, and the order Amoebida. Characteristically these organisms do ...
M. Pussard and R. Pons, "Morphologies de la paroikystique et taxonomie du genre Acanthamoeba (Protozoa, Amoebida)," ...
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Many species that belong to the order Amoebida are free living, but some are well-known parasites of plants, animals, and ...
Woo, P.T.K., 1998, Diplomonadida, Kinetoplastida and Amoebida (Phylum Sarcomastigophora), in P.T.K. Woo (ed.), Fish Diseases ...
Pussard M, Pons R. Morphology of cystic wall and taxonomy of genus Acanthamoeba (protozoa, Amoebida). Protistologica. 1977;13(4 ...
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  • 1) A genus of amoebas of the order Amoebida. (thefreedictionary.com)
  • a genus of parasitic amoebae in the superclass rhizopoda , order Amoebida. (biology-online.org)
  • A genus of naked, rhizopod protozoans in the order Amoebida characterized by a thin pellicle and thick, irregular pseudopodia. (thefreedictionary.com)
  • The many genera of amebas were given their common name because of their resemblance to the genus Amoeba (order Amoebida), which includes several large, common species of which the freshwater Amoeba proteus is the most familiar. (encyclopedia.com)
  • Scientific name - Kingdom- Protist a, Phylum- Sacco ina, Class- Rhizopod ea, Order- Amoebida, Family- NA, Genus- Ameba, Species- proteus Description - Amebas are one of the simplest organisms with animal characteristics. (essaypride.com)
  • 1. any of numerous one-celled aquatic or parasitic protozoa of the order Amoebida, having a jellylike mass of cytoplasm that forms temporary pseudopodia, by which the organism moves and engulfs food particles. (thefreedictionary.com)
  • Amoebas belong to the Domain Eukarya, Kingdom Protista, Phyllum Protozoa, Class Rhizopoda, Order Amoebida, and the Family Amoebidae. (thoughtco.com)
  • It is classified under the phylum Plasmodroma and order Amoebida. (biologywise.com)
  • any of the microscopic unicellular protozoans of the rhizopodan order Amoebida. (britannica.com)
  • Many species that belong to the order Amoebida are free living, but some are well-known parasites of plants, animals, and humans (e.g. amebic dysentery). (fsu.edu)
  • A common name describing the one-celled organism s classified under the order Amoebida of the class Sarcodina. (bioscience.ws)
  • Los protozoarios observados con mayor frecuencia en las aguas superficiales en los afluentes fueron Amebas, Blastocystis sp. (bvsalud.org)
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