Caenorhabditis remanei
Caenorhabditis remanei | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Nematoda |
Class: | Chromadorea |
Order: | Rhabditida |
Family: | Rhabditidae |
Genus: | Caenorhabditis |
Species: | C. remanei
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Binomial name | |
Caenorhabditis remanei (Sudhaus, 1974)
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Caenorhabditis remanei is a species of
Habitat
This 1-mm nematode lives in
Genetics
The
This species groups with C. latens in the 'Elegans' supergroup in phylogenetic studies.
Mating and reproduction
Unlike many other Caenorhabditis species, which are hermaphrodites,[1] C. remanei has both males and females. The male of this species employs a mating plug.[4] This species can hybridize with Caenorhabditis brenneri, but only when C. remanei males mate with C. brenneri females, and then the offspring are apparently sterile.[5]
When C. remanei individuals that were derived from recently isolated natural populations were inbred they showed dramatic reductions in brood size and relative fitness compared to outcrossed individuals.[6] Over time the decline in fitness accumulated and nearly 90% of inbred lines went extinct.
References
- ^ a b c C. remanei. Archived 2011-07-20 at the Wayback Machine The Genome Center at Washington University.
- ^ Baird, S. E. (1999). Natural and experimental associations of Caenorhabditis remanei with Trachelipus rathkii and other terrestrial isopods. Nematology 1:5 471.
- ^ Haag, E. S., et al. (2008). Caenorhabditis evolution: if they all look alike, you aren’t looking hard enough. Trends in Genetics 23:3.
- ^ Timmermeyer, N., et al. (2010). The function of copulatory plugs in Caenorhabditis remanei: hints for female benefits. Frontiers in Zoology 7:28.
- ^ Sudhaus, W. and K. Kiontke. (2007). Comparison of the cryptic nematode species Caenorhabditis brenneri sp. n. and C. remanei (Nematoda: Rhabditidae) with the stem species pattern of the Caenorhabditis elegans group. Zootaxa 1456 45-62.
- S2CID 24231269.
External links
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