Article
Transcriptome Signatures of Selection, Drift, Introgression, and Gene Duplication in the Evolution of an Extremophile Endemic Plant.
Genome biology and evolution - 1 Dec 2017
Hawkins Angela K, Garza Elyssa R, Dietz Valerie A, Hernandez Oscar J, Hawkins W Daryl, Burrell A Millie, Pepper Alan E
Abstract excerpt
Plants on serpentine soils provide extreme examples of adaptation to environment, and thus offer excellent models for the study of evolution at the molecular and genomic level. Serpentine outcrops are derived from ultramafic rock and have extremely low levels of essential plant nutrients (e.g., N, P, K, and Ca), as well as toxic levels of heavy metals (e.g., Ni, Cr, and Co) and low moisture availability. These...
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