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Subspecies diversity in bacteriocin production by intestinal Lactobacillus salivarius strains
O'Shea, Eileen F. O'Connor, Paula M. Raftis, Emma J. O'Toole, Paul W. STANTON, CATHERINE Cotter, Paul D. Ross, R Paul Hill, Colin
O'Shea, Eileen F.
O'Connor, Paula M.
Raftis, Emma J.
O'Toole, Paul W.
STANTON, CATHERINE
Cotter, Paul D.
Ross, R Paul
Hill, Colin
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2012-10
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Eileen F. O’ Shea, Paula M. O’ Connor, Emma J. Raftis et al. Subspecies diversity in bacteriocin production by intestinal Lactobacillus salivarius strains. Gut Microbes, 3(5), Sept/Oct 2012: 1-6. DOI: 10.4161/gmic.21417
Abstract
A recent comparative genomic hybridisation study in our laboratory revealed considerable plasticity within the bacteriocin locus of gastrointestinal strains of Lactobacillus salivarius. Most notably these analyses led to the identification of two novel unmodified bacteriocins salivaricin L and salivaricin T produced by the neonatal isolate L. salivarius DPC6488 with immunity, regulatory and export systems analogous to those of abp118, a two-component bacteriocin produced by the well characterized reference strain L. salivarius UCC118. In this addendum we discuss the intraspecific diversity of our seven bacteriocin-producing L. salivarius isolates on a genome-wide level, and more specifically, with respect to their salivaricin loci.