Preview. A penetrating look at stochasticity in development.
basic_science · Level V
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- Record sourced from PubMed, PMID 20211129.
- Also identified by DOI 10.1016/j.cell.2010.02.018 and PMC identifier 2848716.
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Abstract
In recent work published in Nature, Raj et al. (2010) use single mRNA molecule quantification to show that variation in gene expression in Caenorhabditis elegans increases in mutants displaying incomplete penetrance. They find that a bimodal response is triggered when noisy expression of an upstream regulator crosses a critical threshold.