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Methods Mol Biol. 2009;532:379-95. doi: 10.1007/978-1-60327-853-9_22.

A critique of prokaryotic species concepts.

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  • 1Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, USA.

Abstract

Developments in DNA sequencing and population genetics analyses have revealed unanticipated complexity in prokaryotic variation. The observation that genetic traits are horizontally inherited at unexpected rates within and between closely related asexually reproducing lineages impacts our comprehension of prokaryotic evolution and ecology. As a result, the concepts that point to species as being discrete clusters or monophyletic lineages are at odds with most of the data, suggesting that taxon circumscription can only proceed by informed compromise, pragmatism, and subjectivity.

PMID:
19271197
DOI:
10.1007/978-1-60327-853-9_22
[PubMed - indexed for MEDLINE]
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