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Appl. Environ. Microbiol., Apr 1996, 1283-1286, Vol 62, No. 4
N Valdes-Stauber and S Scherer
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.
Copyright © 1996, American Society for Microbiology
Nucleotide sequence and taxonomical distribution of the bacteriocin gene lin cloned from Brevibacterium linens M18
Institut fur Mikrobiologie, Technische Universitat Munchen, Freising, Germany.
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