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Genomics

Horizontal gene transfer necessitates codon usage compatibility

Published in Genomics and Genetics Weekly, December 10th, 2004

Horizontal gene transfer necessitates codon usage compatibility.

"We present evidence supporting the notion that codon usage (CU) compatibility between foreign genes and recipient genomes is an important prerequisite to assess the selective advantage of imported functions, and therefore to increase the fixation probability of horizontal gene transfer (HGT) events," investigators in Canada state.

"This contrasts with the current tendency in research to predict recent HGTs in prokaryotes by assuming that acquired genes generally display poor CU. By looking at the CU level (poor, typical, or rich) exhibited by putative xenologs still resembling their...

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