SEQUENCE AND TRANSCRIPTIONAL ANALYSIS OF THE STREPTOMYCES-GLAUCESCENS TCMAR TETRACENOMYCIN-C RESISTANCE AND REPRESSOR GENE LOCI

被引:80
作者
GUILFOILE, PG
HUTCHINSON, CR
机构
[1] UNIV WISCONSIN,SCH PHARM,MADISON,WI 53706
[2] UNIV WISCONSIN,DEPT BACTERIOL,MADISON,WI 53706
关键词
D O I
10.1128/JB.174.11.3651-3658.1992
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Sequence analysis of the tcmA tetracenomycin C resistance gene from Streptomyces glaucescens GLA.O (ETH 22794) identifies one large open reading frame whose deduced product has sequence similarity to the mmr methylenomycin resistance gene from Streptomyces coelicolor, the Streptomyces rimosus tet347 (otrB) tetracycline resistance gene, and the atr1 aminotriazole resistance gene from Saccharomyces cerevisiae. These genes are thought to encode proteins that act as metabolite export pumps powered by transmembrane electrochemical gradients. A divergently transcribed gene, tcmR, is located in the region upstream of tcmA. The deduced product of tcmR resembles the repressor proteins encoded by tetR regulatory genes from Escherichia coli and the actII-orf1 gene from S. coelicolor. Transcriptional analysis of tcmA and tcmR indicates that these genes have back-to-back and overlapping promoter regions.
引用
收藏
页码:3651 / 3658
页数:8
相关论文
共 60 条
[1]   TRANSCRIPT MAPPING USING [S-35]DNA PROBES, TRICHLOROACETATE SOLVENT AND DIDEOXY SEQUENCING LADDERS - A RAPID METHOD FOR IDENTIFICATION OF TRANSCRIPTIONAL START POINTS [J].
ALDEA, M ;
CLAVERIEMARTIN, F ;
DIAZTORRES, MR ;
KUSHNER, SR .
GENE, 1988, 65 (01) :101-110
[2]   ENERGY COUPLING IN BACTERIAL PERIPLASMIC PERMEASES [J].
AMES, GFL ;
JOSHI, AK .
JOURNAL OF BACTERIOLOGY, 1990, 172 (08) :4133-4137
[3]   AMINOGLYCOSIDE ANTIBIOTIC-INACTIVATING ENZYMES IN ACTINOMYCETES SIMILAR TO THOSE PRESENT IN CLINICAL ISOLATES OF ANTIBIOTIC-RESISTANT BACTERIA [J].
BENVENISTE, R ;
DAVIES, J .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1973, 70 (08) :2276-2280
[4]   THE RELATIONSHIP BETWEEN BASE COMPOSITION AND CODON USAGE IN BACTERIAL GENES AND ITS USE FOR THE SIMPLE AND RELIABLE IDENTIFICATION OF PROTEIN-CODING SEQUENCES [J].
BIBB, MJ ;
FINDLAY, PR ;
JOHNSON, MW .
GENE, 1984, 30 (1-3) :157-166
[5]  
BIBB MJ, 1985, GENE, V38, pE357
[6]  
BIBB MJ, 1986, 5 INT S GEN IND MICR, P309
[7]   GENETIC COMPLEMENTATION OF STREPTOMYCES-TENDAE DEFICIENT IN NIKKOMYCIN PRODUCTION [J].
BORMANN, C ;
ABERLE, K ;
FIEDLER, HP ;
SCHREMPF, H .
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 1990, 32 (04) :424-430
[8]  
BRANDEN C, 1991, INTRO PROTEIN STRUCT
[9]   TRANSCRIPTIONAL ORGANIZATION AND REGULATION OF AN ANTIBIOTIC EXPORT COMPLEX IN THE PRODUCING STREPTOMYCES CULTURE [J].
CABALLERO, JL ;
MALPARTIDA, F ;
HOPWOOD, DA .
MOLECULAR & GENERAL GENETICS, 1991, 228 (03) :372-380
[10]  
CUNDLIFFE E, 1989, ANNU REV MICROBIOL, V43, P207, DOI 10.1146/annurev.micro.43.1.207