The rpoN gene of Enterococcus faecalis directs sensitivity to subclass IIa bacteriocins

The rpoN gene of Enterococcus faecalis directs sensitivity to subclass IIa bacteriocins

The final sigma 54 factor has been previously described to be involved in Listeria monocytogenes sensitivity to mesentericin Y105, a subclass IIa bacteriocin. Here, we identified the rpoN gene, encoding final sigma 54, of Enterococcus faecalis JH2-2 and showed that its interruption leads to E. faeca...

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Bibliographic Details
Published in:Current microbiology Vol. 41; no. 6; pp. 441 - 443
Main Authors: DALET, Karine, BRIAND, Cécilia, CENATIEMPO, Yves, HECHARD, Yann
Format: Journal Article
Language:English
Published: New York, NY Springer 01-12-2000
Springer Nature B.V
Subjects:
Antibiotics
Bacteria
Bacteriocins - classification
Bacteriocins - pharmacology
Bacteriology
Biological and medical sciences
DNA-Binding Proteins
DNA-Directed RNA Polymerases - genetics
Drug Resistance, Microbial - genetics
Enterococcus faecalis
Enterococcus faecalis - drug effects
Enterococcus faecalis - genetics
Fundamental and applied biological sciences. Psychology
Genes, Bacterial
Genetic Complementation Test
Microbial Sensitivity Tests
Microbiology
Molecular Sequence Data
Mutagenesis, Insertional
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
Restriction Mapping
RNA Polymerase Sigma 54
rpoN gene
s54 factor
Sequence Analysis, DNA
Sigma Factor - genetics
subclass IIa bacteriocins
Enterococcus faecalis
Resistance
Streptococcaceae
Nucleotide sequence
Bacteriocin
Initiation factor σ
Bacteria
Micrococcales
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Summary:The final sigma 54 factor has been previously described to be involved in Listeria monocytogenes sensitivity to mesentericin Y105, a subclass IIa bacteriocin. Here, we identified the rpoN gene, encoding final sigma 54, of Enterococcus faecalis JH2-2 and showed that its interruption leads to E. faecalis resistance to different subclass IIa bacteriocins. Moreover, this rpoN mutant remained sensitive to nisin, a class I bacteriocin, suggesting that final sigma 54 is especially involved in sensitivity to subclass IIa bacteriocins.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0343-8651
1432-0991
DOI:10.1007/s002840010164