Phylogenetics and the origin of species

被引：275
作者：
Avise, JC
Wollenberg, K
机构：
[1] Department of Genetics, University of Georgia, Athens
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1997年 / 94卷 / 15期
关键词：
allelic genealogies; gene trees; lineages; mitochondrial DNA; phylogeography;
D O I：
10.1073/pnas.94.15.7748
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A recent criticism that al-re biological species concept (BSC) unduly neglects phylogeny is examined under a novel modification of coalescent theory that considers multiple, sex-defined genealogical pathways through sexual organismal pedigrees. A competing phylogenetic species concept (PSC) also is evaluated from this vantage, Two analytical approaches are employed to rapture the composite phylogenetic information contained within the braided assemblages of hereditary pathways of a pedigree: (i) consensus phylogenetic trees across allelic transmission routes and (ii) composite phenograms from quantitative values of organismal coancestry. Outcomes from both approaches demonstrate that the supposed sharp distinction between biological and phylogenetic species concepts is illusory. Historical descent and reproductive lies are related aspects of phylogeny and jointly illuminate biotic discontinuity.
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收藏
页码：7748 / 7755
页数：8
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