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Article

The atypical codon usage of the plant psbA gene may be the remnant of an ancestral bias.

Proceedings of the National Academy of Sciences of the United States of America - 14 Oct 1997

Morton B R, Levin J A

Abstract excerpt

The psbA gene of the chloroplast genome has a codon usage that is unusual for plant chloroplast genes. In the present study the evolutionary status of this codon usage is tested by reconstructing putative ancestral psbA sequences to determine the pattern of change in codon bias during angiosperm divergence. It is shown that the codon biases of the ancestral genes are much stronger than all extant flowering plant...

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Identifiers

PMID: 9326627
DOI: 10.1073/pnas.94.21.11434
PMCID: PMC23492

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