Activation and Transfer of the Chromosomal Phage Resistance Mechanism AbiV in Lactococcus lactis-Reference-Cited by-同舟云学术

Activation and Transfer of the Chromosomal Phage Resistance Mechanism AbiV in Lactococcus lactis

Published:2009-05-15 Issue:10 Volume:75 Page:3358-3361
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Haaber Jakob¹,Moineau Sylvain²,Hammer Karin¹

Affiliation:

1. Center for Systems Microbiology, DTU Systems Biology, Technical University of Denmark, DK-2800 Lyngby, Denmark

2. Département de Biochimie et de Microbiologie, Faculté des Sciences et de Génie, Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Félix d'Hérelle Reference Center for Bacterial Viruses, Université Laval, Québec, Canada G1V 0A6

Abstract

ABSTRACT AbiV is a chromosomally encoded phage resistance mechanism that is silent in the wild-type phage-sensitive strain Lactococcus lactis subsp. cremoris MG1363. Spontaneous phage-resistant mutants of L. lactis MG1363 were analyzed by reverse transcriptase PCR and shown to express AbiV. This expression was related to a reorganization in the upstream region of abiV . Transfer of abiV between two lactococcal strains, most likely by conjugation, was also demonstrated. To our knowledge, this is the first report of natural transfer of a chromosomally encoded phage resistance mechanism.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.02538-08

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