SEQUENCE AND EXPRESSION OF THE BPDC1C2BADE GENES INVOLVED IN THE INITIAL STEPS OF BIPHENYL CHLOROBIPHENYL DEGRADATION BY RHODOCOCCUS SP M5

被引：38

作者：

WANG, Y ^{[1
]}

GARNON, J ^{[1
]}

LABBE, D ^{[1
]}

BERGERON, H ^{[1
]}

LAU, PCK ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA,BIOTECHNOL RES INST,MONTREAL,PQ H4P 2R2,CANADA

来源：

GENE | 1995年 / 164卷 / 01期

关键词：

BIODEGRADATION; PCB; TOLUENE; MULTICOMPONENT DIOXYGENASE; DIHYDRODIOL DEHYDROGENASE; ARTHROBACTER; MINERALIZATION; GRAM(+) BACTERIA; 16S RDNA SEQUENCE; INDIGO;

D O I：

10.1016/0378-1119(95)00448-F

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

The nucleotide (nt) sequence of the bpdC1C2BADE genes which encode the first three enzymes in the biphenyl (BP) degradation pathway of Gram(+) Rhodococcus sp. M5 (formerly Arthrobacter M5) was determined. Except for the ferredoxin component (BpdB) of the initial BP dioxygenase, the predicted amino acid (aa) sequences of the remaining proteins are found to be more closely related to the counterpart proteins (TodC1C2BADE) present in the toluene-degrader, Pseudomonas putida F1, than those of three BP-degrading pseudomonads. The cloned bpd genes were verified by their expression in the Escherichia coli T7 RNA polymerase/promoter system. In E. coli, BpdA was able to complement TodC1C2B in indigo biosynthesis, although the M5 native or cloned BP dioxygenase does not carry out this reaction.

引用

页码：117 / 122

页数：6

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