Publications and Research

Document Type

Article

Publication Date

January 2003

Abstract

Tryptophan-pathway genes that exist within an apparent operon-like organization were evaluated. A seven-gene cluster in Xylella fastidiosa exhibits a sharply delineated low-GC content. This strongly implicates lateral gene transfer. In contrast, parametric studies and protein tree phylogenies did not support the origination of a gene block in the Anabaena/Nostoc lineage by lateral gene transfer.

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