Oscheius Guentheri,
''Oscheius'' is a genus of nematode. '' O. tipulae'' is a satellite developmental genetic model organism used to study vulva formation. In phylogenetic studies, based on the analysis of sequences of three nuclear genes, ''Oscheius'' groups with ''Caenorhabditis'' species and the ''Diploscapter'', ''Protorhabditis ''Protorhabditis'' is a genus of nematodes in the family Rhabditidae. Phylogenetic studies The analysis of sequences of three nuclear genes shows that the ''Protorhabditis'', '' Diploscapter'' and ''Prodontorhabditis'' genera group together t ...'' and '' Prodontorhabditis'' 'Protorhabditis' group, all included in the 'Eurhabditis' group of Rhabditidae genera.The phylogenetic relationships of Caenorhabditis and other rhabditids. Karin Kiontke and David H. A. Fitch, Wormbook, 2005, References External links Rhabditidae Rhabditida genera Model organisms {{Rhabditida-stub ...
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Oscheius Tipulae
''Oscheius tipulae'' is a species of nematodes, described in association of the leatherjacket, the larva of '' Tipula paludosa''. ''O. tipulae'' is a satellite developmental genetic model organism used to study vulva formation.Polymorphism and evolution of vulval precursor cell lineages within two nematode genera, Caenorhabditis and Oscheius. M Delattre, MA Félix - Current Biology, 2001 It is an androdioecious species characterized by the coexistence of males and hermaphrodites. References External links Oscheius tipulae - WormBook - NCBI Bookshelf
in Section ''Nematodes other than

Nematode
The nematodes ( or ; ; ), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic. Parasitic worms (helminths) are the cause of soil-transmitted helminthiases. They are classified along with arthropods, tardigrades and other moulting animals in the clade Ecdysozoa. Unlike the flatworms, nematodes have a tubular digestive system, with openings at both ends. Like tardigrades, they have a reduced number of Hox genes, but their sister phylum Nematomorpha has kept the ancestral protostome Hox genotype, which shows that the reduction has occurred within the nematode phylum. Nematode species can be difficult to distinguish from one another. Consequently, estimates of the number of nematode species are uncertain. A 2013 survey of animal biodiversity suggested there are over 25,000. Estimates of the total number of extant species are su ...
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Model Organism
A model organism is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the model organism will provide insight into the workings of other organisms. Model organisms are widely used to research human disease when human experimentation would be unfeasible or unethical. This strategy is made possible by the common descent of all living organisms, and the conservation of metabolic and developmental pathways and genetic material over the course of evolution. Research using animal models has been central to most of the achievements of modern medicine. It has contributed most of the basic knowledge in fields such as human physiology and biochemistry, and has played significant roles in fields such as neuroscience and infectious disease. The results have included the near- eradication of polio and the development of organ transplantation, and have benefited both humans and animals. From 19 ...
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Caenorhabditis
''Caenorhabditis'' is a genus of nematodes which live in bacteria-rich environments like compost piles, decaying dead animals and rotting fruit. The name comes from Greek: caeno- ( () = new, recent); rhabditis = rod-like ( () = rod, wand). The genus ''Caenorhabditis'' contains the noted model organism ''Caenorhabditis elegans'' and several other species for which a genome sequence is either available or currently being determined. The two most-studied species in this genus (''C. elegans'' and ''C. briggsae'') are both androdioecy, androdioecious (they have male and hermaphrodite sexes) whereas most other species are gonochoristic (they have male and female sexes). ''C. elegans'' is the type species of the genus. In 1900, Émile Maupas, Maupas initially named the species ''Rhabditidae, Rhabditis elegans'', Osche placed it in the subgenus ''Caenorhabditis'' in 1952, and in 1955, Dougherty raised ''Caenorhabditis'' to the status of genus. Ecology ''Caenorhabditis'' occupy various ...
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Diploscapter
''Diploscapter'' is a genus of nematodes in the family Rhabditidae. Phylogenetic studies The genus ''Diploscapter'' groups with the genera ''Protorhabditis'' and '' Prodontorhabditis'' to form the 'Protorhabditis' group, the sister group of the ''Caenorhabditis'' species, all included in the 'Eurhabditis' group of Rhabditidae The Rhabditidae are a family of nematodes which includes the model organism A model organism is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in t ... genera.The phylogenetic relationships of ''Caenorhabditis'' and other rhabditids. Karin Kiontke and David H. A. Fitch, Wormbook, 2005, References * Potential role of Diploscapter sp. strain LKC25, a bacterivorous nematode from soil, as a vector of food-borne pathogenic bacteria to preharvest fruits and vegetables. DS Gibbs, GL Anderson, LR Beuchat, LK Carta… - Applied and environmental …, 2005 * Dip ...
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