Duplication of the tuf gene: a new insight into the phylogeny of eubacteria.

S. Sela*, D. Yogev, S. Razin, H. Bercovier

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


The conservation and duplication of the tuf gene encoding the elongation factor EF-Tu were used to define phylogenetic relationships among eubacteria. When the tufA gene of Escherichia coli was used as a probe in hybridization experiments, duplicate tuf genes were found in gram-negative bacteria from three major phyla: purple bacteria, bacteroides, and cyanobacteria. Only a single copy of tuf was found in gram-positive bacteria, including mycobacteria and mycoplasmas. Gram-positive clostridia were found to carry two copies of tuf.

Original languageAmerican English
Pages (from-to)581-584
Number of pages4
JournalJournal of Bacteriology
Issue number1
StatePublished - Jan 1989


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