ArticleBiology open2016
A locus in Pristionchus pacificus that is responsible for the ability to give rise to fertile offspring at higher temperatures.
Article in Biology open, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- Impact of temperature and pH variations on intergeneric interactions and proteomic responses in rhabditid nematodes.Archives of microbiology · 2026Article
- Evolution of lateralized gustation in nematodes.eLife · 2025Article
- Influence of environmental temperature on mouth-form plasticity in Pristionchus pacificus acts through daf-11-dependent cGMP signaling.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2023Article
- The Role of DAF-21/Hsp90 in Mouth-Form Plasticity in Pristionchus pacificus.Molecular biology and evolution · 2017Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Temperature is a stress factor that varies temporally and spatially, and can affect the fitness of cold-blooded organisms, leading to a loss of reproductive output; however, little is understood about the genetics behind the long-term response of organisms to temperature. Here, we approach this problem in the model nematode Pristionchus pacificus by utilising a large collection of natural isolates with diverse phenotypes. From this collection we identify two strains, one from California that can give rise to fertile offspring up to 28°C and one from Japan that is fertile up to 30°C. We show that the optimum temperature and the upper temperature limit for fertility is shifted higher in the Japanese strain suggesting that there is a mechanism that controls the temperature response of fertility across a range of temperatures. By crossing the two strains, and using genetic mapping, we identify a region on chromosome V that is responsible for maintaining fertility at higher temperatures. Thus, we conclude that fitness of P. pacificus at high temperature is under genetic control, suggesting that it could be subject to natural selection.
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