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Comment
. 2021 Jan;30(1):30-32.
doi: 10.1111/mec.15729. Epub 2020 Dec 1.

Gene expression links genotype and phenotype during rapid adaptation

Emily B Josephs  1
Affiliations
Comment

Gene expression links genotype and phenotype during rapid adaptation

Emily B Josephs. Mol Ecol. 2021 Jan.

Abstract

Natural environments can change quickly and organisms living in these environments can either move, go extinct, or persist through rapid adaptation. Understanding the genetic and phenotypic changes that occur during rapid adaptation is crucial for predicting how populations will respond to sudden environmental changes. Since gene expression links genotype to phenotype, determining how rapid adaptation shapes the transcriptome will be useful for identifying both the traits and the genes important for adaptation, especially in cases where adaptation involves changes in quantitative traits. However, we lack a clear understanding of how rapid adaptation can cause and be caused by changes in gene expression. In this issue of Molecular Ecology, Hamann et al. (2020) investigate how gene expression has evolved during rapid adaptation to drought in two populations of the plant species Brassica rapa.

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References

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