期刊
HEREDITY
卷 103, 期 6, 页码 439-444出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/hdy.2009.151
关键词
introgression; chromosomal rearrangements; recombination; speciation
资金
- National Science Foundation and National Institutes of Health
Over the past decade, many studies documented high genetic divergence between closely related species in genomic regions experiencing restricted recombination in hybrids, such as within chromosomal rearrangements or areas adjacent to centromeres. Such regions have been called 'islands of speciation' because of their presumed role in maintaining the integrity of species despite gene flow elsewhere in the genome. Here, we review alternative explanations for such patterns. Segregation of ancestral variation or artifacts of nucleotide diversity within species can readily lead to higher F-ST in regions of restricted recombination than other parts of the genome, even in the complete absence of interspecies gene flow, and thereby cause investigators to erroneously conclude that islands of speciation exist. We conclude by discussing strengths and weaknesses of various means for testing the role of restricted recombination in maintaining species. Heredity (2009) 103, 439-444; doi:10.1038/hdy.2009.151
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据