| Caenorhabditis remanei | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Chromadorea |
| Order: | Rhabditida |
| Family: | Rhabditidae |
| Genus: | Caenorhabditis |
| Species: | C. remanei |
| Binomial name | |
| Caenorhabditis remanei (Sudhaus, 1974) | |
Caenorhabditis remanei is a species of nematode found in North America and Europe, and likely lives throughout the temperate world. Several strains have been developed in the laboratory. [1]
This 1-mm 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. [1] 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. [2]
The genome of this nematode has been sequenced, and it was found to contain about 26,000 genes. [3]
This species groups with C. latens in the 'Elegans' supergroup in phylogenetic studies.
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.
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