Highways of gene sharing in prokaryotes.
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- Record sourced from PubMed, PMID 16176988.
- Also identified by PMC identifier 1242295.
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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.
Medical subject headings
- Evolution, Molecular
- Gene Transfer, Horizontal
- Genetic Variation
- Genome, Archaeal
- Genome, Bacterial
- Phylogeny
- Prokaryotic Cells