Caenorhabditis remanei is a species of nematode that has been found in North America and Europe, and likely lives throughout the temperate world. Several strains have been developed in the laboratory.
This transparent nematode measures about 1 millimeter in length.
This nematode lives in soil, compost, and similar materials, where it consumes bacteria. It may be found in association with soil-living invertebrates such as snails, slugs, and pill bugs. It lives with the snail Fruticicola sieboldiana in Japan. It has been associated with the isopods Trachelipus rathkii, Armadillidium nasatum, Cylisticus convexus, and Porcellio scaber in Ohio.
Mating and reproduction
Unlike many other Caenorhabditis, which are hermaphrodite, C. remanei have both males and females. The male of this species employs a mating plug. 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.
- C. remanei. 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.
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