53 results about "Dauer larva" patented technology

Dauer (German "die Dauer", English "the enduring", "the duration" in the meaning of "a length of time", from A.G. Fuchs (1937) Neue parasitische und halbparasitische Nematoden bei Borkenkäfern und einige andere Nematoden, English New Parasitic and Half-parasitic Nematodes with Bark-Beetles and Some Other Nematodes) describes an alternative developmental stage of nematode worms, particularly rhabditids including Caenorhabditis elegans, whereby the larva goes into a type of stasis and can survive harsh conditions. Since the decision to enter the dauer stage is dependent on environmental cues, it represents a classic and well studied example of polyphenism. The Dauer state is given other names in the various types of nematodes such as ‘diapause’ or ‘hypobiosis’, but since the C. elegans nematode has become the most studied nematode, the term ‘dauer stage’ or 'dauer larvae' is becoming universally recognised when referring to this state in other free-living nematodes. The dauer stage is also considered to be equivalent to the infective stage of parasitic nematode larvae.