摘要 族群s that expand their range can undergo rapid 演化a

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論文資訊

• 類型：已發表論文
• 日期：2021-02-04

摘要

族群s that expand their range can undergo rapid 演化ary 適應, which can be aided or hindered by sexual reproduction and gene flow. Little is known about the genomic causes and consequences of such 適應. We studied genomic 適應 during experimental range expansions of the protist Tetrahymena thermophila in landscapes with a uniform environment or a pH-gradient, both in the presence and absence of gene flow and sexual reproduction. We used pooled 基因組 sequencing to identify genes subject to selection caused by the expanding range and by the pH-gradient. 適應 to the range expansion affected genes involved in cell divisions and DNA repair, whereas 適應 to the pH gradient additionally affected genes involved in ion balance, and oxidoreductase reactions. These 遺傳 changes may result from selection on growth and

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