Nucleotide sequence and taxonomical distribution of the bacteriocin gene lin cloned from Brevibacterium linens M18

Natalia Valdes-Stauber, Siegfried Scherer

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Abstract

Linocin M18 is an antilisterial bacteriocin produced by the red smear cheese bacterium Brevibacterium linens M18. Oligonucleotide probes based on the N-terminal amino acid sequence were used to locate its single copy gene, lin, on the chromosomal DNA. The amino acid composition, N-terminal sequence, and molecular mass derived from the nucleotide sequence of an open reading frame of 798 nucleotides coding for 266 amino acids found on a 3-kb BamHI restriction fragment correspond closely to those obtained from the purified protein (N. Valdes-Stauber and S. Scherer, Appl. Environ. Microbiol. 60:3809- 3814, 1994). No sequence homology to any protein or nucleotide sequences deposited in databases was found. Comparison of the nucleotide sequence and the N-terminal amino acid sequence derived from the protein suggests that B. linens M18 produces an N-formyl-methionyl-CAC tRNA. A wide taxonomical distribution of the gene within coryneform bacteria has been demonstrated by PCR amplification. The structural gene from linocin M18 is present at least in three Brevibacterium species, five Arthrobacter species, and five Corynebacterium species.

Original languageEnglish
Pages (from-to)1283-1286
Number of pages4
JournalApplied and Environmental Microbiology
Volume62
Issue number4
DOIs
StatePublished - Apr 1996

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