CHARACTERIZATION AND EXPRESSION OF A P-450-LIKE MYCINAMICIN BIOSYNTHESIS GENE USING A NOVEL MICROMONOSPORA ESCHERICHIA-COLI SHUTTLE COSMID VECTOR

被引:48
作者
INOUYE, M [1 ]
TAKADA, Y [1 ]
MUTO, N [1 ]
BEPPU, T [1 ]
HORINOUCHI, S [1 ]
机构
[1] UNIV TOKYO,DEPT BIOTECHNOL,BUNKYO KU,TOKYO 113,JAPAN
来源
MOLECULAR & GENERAL GENETICS | 1994年 / 245卷 / 04期
关键词
MICROMONOSPORA GRISEORUBIDA; MYCINAMICIN BIOSYNTHESIS; SHUTTLE VECTOR; NUCLEOTIDE SEQUENCE; P-450;
D O I
10.1007/BF00302258
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A 29 kb shuttle cosmid vector, pTYS507, was constructed from a cryptic Micromonospora griseorubida plasmid and the Escherichia coli cosmid pJB8. Subcloning of mycinamicin II biosysnthesis genes in pTYS507 led to the identification of a DNA region that could complement a mutant of M. griseorubida that lacked both hydroxylase and epoxidase activities. Nucleotide sequence and mutational analysis suggested that a single P-450-like protein catalyzes both reactions.
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页码:456 / 464
页数:9
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