ArticleNature communications2021
Cryptic genetic variation in a heat shock protein modifies the outcome of a mutation affecting epidermal stem cell development in C. elegans.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 16 citations in OpenAlex.
- Transcriptional feedback targeting Wnt pathway components reveals hidden heterogeneity in Caenorhabditis elegans seam cell lineages.Genetics · 2026Article
- Article
- Higher-order epistasis shapes natural variation in germ stem cell niche activity.Nature communications · 2023Article
- Adaptation of the yeast gene knockout collection is near-perfectly predicted by fitness and diminishing return epistasis.G3 (Bethesda, Md.) · 2022Article
- Automated recognition and analysis of head thrashes behavior in C. elegans.BMC bioinformatics · 2022Article
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Authors and funding
4 authors at 1 institution in 1 country.
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Abstract
A fundamental question in medical genetics is how the genetic background modifies the phenotypic outcome of mutations. We address this question by focusing on the seam cells, which display stem cell properties in the epidermis of Caenorhabditis elegans. We demonstrate that a putative null mutation in the GATA transcription factor egl-18, which is involved in seam cell fate maintenance, is more tolerated in the CB4856 isolate from Hawaii than the lab reference strain N2 from Bristol. We identify multiple quantitative trait loci (QTLs) underlying the difference in phenotype expressivity between the two isolates. These QTLs reveal cryptic genetic variation that reinforces seam cell fate through potentiating Wnt signalling. Within one QTL region, a single amino acid deletion in the heat shock protein HSP-110 in CB4856 is sufficient to modify Wnt signalling and seam cell development, highlighting that natural variation in conserved heat shock proteins can shape phenotype expressivity.
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