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Highways of gene sharing in prokaryotes.


ABSTRACT: The extent to which lateral genetic transfer has shaped microbial genomes has major implications for the emergence of community structures. We have performed a rigorous phylogenetic analysis of >220,000 proteins from genomes of 144 prokaryotes to determine the contribution of gene sharing to current prokaryotic diversity, and to identify "highways" of sharing between lineages. The inferred relationships suggest a pattern of inheritance that is largely vertical, but with notable exceptions among closely related taxa, and among distantly related organisms that live in similar environments.

SUBMITTER: Beiko RG 

PROVIDER: S-EPMC1242295 | biostudies-literature | 2005 Oct

REPOSITORIES: biostudies-literature

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Highways of gene sharing in prokaryotes.

Beiko Robert G RG   Harlow Timothy J TJ   Ragan Mark A MA  

Proceedings of the National Academy of Sciences of the United States of America 20050921 40


The extent to which lateral genetic transfer has shaped microbial genomes has major implications for the emergence of community structures. We have performed a rigorous phylogenetic analysis of >220,000 proteins from genomes of 144 prokaryotes to determine the contribution of gene sharing to current prokaryotic diversity, and to identify "highways" of sharing between lineages. The inferred relationships suggest a pattern of inheritance that is largely vertical, but with notable exceptions among  ...[more]

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