CHARACTERIZATION OF NEWLY ISOLATED BACILLUS-SUBTILIS C1 WHICH IS SENSITIVE TO ANTIBIOTIC PRODUCED BY LACTIC-ACID COCCUS

被引：4

作者：

ISHIZAKI, A ^{[1
]}

TAMURA, M ^{[1
]}

KIMURA, K ^{[1
]}

KOBA, Y ^{[1
]}

TONOKAWA, M ^{[1
]}

EZAKI, T ^{[1
]}

机构：

[1] GIFU UNIV,SCH MED,DEPT MICROBIOL,GIFU 500,JAPAN

来源：

JOURNAL OF FERMENTATION AND BIOENGINEERING | 1992年 / 74卷 / 04期

关键词：

D O I：

10.1016/0922-338X(92)90121-A

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

An aerobic, Gram-positive endospore-forming rod, strain Cl, was isolated from a contaminated culture of Lactococcus lactis IO-1. Strain C1 was more sensitive to nisin and the peptide antibiotic produced by strain IO-1 than Bacillus subtilis JCM 1465T. Strain C1 was significantly different from B. subtilis JCM 1465T in that it produced a black pigment. Conventional identification techniques did not give enough information to determine the taxonomic position of strain Cl. DNA-DNA hybridization revealed that the homology value between strain C1 and JCM 1465T was as high as 94% under optimal conditions. Thus, strain C1 was identified as a strain of B. subtilis. It was demonstrated that strain C1 was an effective indicator strain for the bioassay of antibiotics produced by lactic acid cocci.

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页码：248 / 250

页数：3

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