期刊
SCIENCE
卷 301, 期 5635, 页码 976-978出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1086909
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Barriers to dispersal between populations allow them to diverge through local adaptation or random genetic drift. High-resolution multilocus sequence analysis revealed that, on a global scale, populations of hyperthermophilic microorganisms are isolated from one another by geographic barriers and have diverged over the course of their recent evolutionary history. The identification of a biogeographic pattern in the archaeon Sulfolobus challenges the current model of microbial biodiversity in which unrestricted dispersal constrains the development of global species richness.
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