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Horizontal gene transfer: a critical view

Författare

Summary, in English

It has been suggested that horizontal gene transfer (HGT) is the "essence of phylogeny." In contrast, much data suggest that this is an exaggeration resulting in part from a reliance on inadequate methods to identify HGT events. In addition, the assumption that HGT is a ubiquitous influence throughout evolution is questionable. Instead, rampant global HGT is likely to have been relevant only to primitive genomes. In modern organisms we suggest that both the range and frequencies of HGT are constrained most often by selective barriers. As a consequence those HGT events that do occur most often have little influence on genome phylogeny. Although HGT does occur with important evolutionary consequences, classical Darwinian lineages seem to be the dominant mode of evolution for modern organisms.

Publiceringsår

2003

Språk

Engelska

Sidor

9658-9662

Publikation/Tidskrift/Serie

Proceedings of the National Academy of Sciences

Volym

100

Issue

17

Dokumenttyp

Artikel i tidskrift

Förlag

National Academy of Sciences

Ämne

  • Biological Sciences

Status

Published

Forskningsgrupp

  • Microbial Ecology

ISBN/ISSN/Övrigt

  • ISSN: 1091-6490