Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Isolation and Structure of the Enterococcus faecalis Sex Pheromone, cOB1, That Induces Conjugal Transfer of the Hemolysin / Bacteriocin Plasmids, pOB1 and pYI1
Jiro NakayamaYuki AbeYukitsugu OnoAkira IsogaiAkinori Suzuki
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JOURNALS FREE ACCESS

1995 Volume 59 Issue 4 Pages 703-705

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Abstract

A bacterial sex pheromone, cOB1, which induces conjugal transfer of the Enterococcus faecalis hemolysin-bacteriocin (Hly/Bac) plasmid, pOB1, was isolated from the culture broth of pOB1-free E. faecalis. Its structure was found to be a hydrophobic octapeptide, H-Val-Ala-Val-Leu-Val-Leu-Gly-Ala-OH. The cOB1 peptide induced the mating response of not only pOB1 but also another incompatibility group Hly/Bac plasmid, pYI1.

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