Evolutionary rates and species diversity in flowering plants

被引：1

作者：

Barraclough, TG

Savolainen, V

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Biol, Ascot SL5 7PY, Berks, England

[2] Univ London Imperial Coll Sci Technol & Med, NERC, Ctr Populat Biol, Ascot SL5 7PY, Berks, England

[3] Royal Bot Gardens, Jodrell Lab, Mol Systemat Sect, Richmond TW9 3DS, Surrey, England

来源：

EVOLUTION | 2001年 / 55卷 / 04期

关键词：

angiosperms; DNA; molecular evolution; speciation; species richness;

D O I：

10.1554/0014-3820(2001)055[0677:ERASDI]2.0.CO;2

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Genetic change is a necessary component of speciation, but the relationship between rates of speciation and molecular evolution remains unclear. We use recent phylogenetic data to demonstrate a positive relationship between species numbers and the rate of neutral molecular evolution in flowering plants tin both plastid and nuclear genes). Rates of protein and morphological evolution also correlate with the neutral substitution rate, but not with species numbers. Our findings reveal a link between the rate of neutral molecular change within populations and the evolution of species diversity.

引用

页码：677 / 683

页数：7

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