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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-05-01
摘要
In diploid organisms, selfing reduces the efficiency of selection in removing deleterious 突變s from a 族群. This need not be the case for all organisms. Some plants, for example, undergo an extreme form of selfing known as intragametophytic selfing, which immediately exposes all recessive deleterious 突變s in a parental 基因組 to selective purging. Here, we ask how effectively deleterious 突變s are removed from such plants. Specifically, we study the extent to which deleterious 突變s accumulate in a predominantly selfing and a predominantly outcrossing pair of moss 物種, using 基因組-wide transcriptome data. We find that the selfing 物種 purge significantly more nonsynonymous 突變s, as well as a greater proportion of radical amino acid changes which alter physicochemical properties of amino acids. Moreover, th
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