Identification of a gene for a chemoreceptor of the methyl-accepting type in the symbiotic plasmid of Rhizobium leguminosarum bv viciae UPM791

被引：10

作者：

Brito, B

Palacios, JM

RuizArgueso, T

Imperial, J

机构：

[1] UNIV POLITECN MADRID,MICROBIOL LAB,ESCUELA TECN SUP INGN AGRONOMOS,E-28040 MADRID,SPAIN

[2] CSIC,E-28040 MADRID,SPAIN

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-GENE STRUCTURE AND EXPRESSION | 1996年 / 1308卷 / 01期

关键词：

mcpA gene; chemoreceptor; symbiotic plasmid; hydrogenase; (Rh-leguminosarum);

D O I：

10.1016/0167-4781(96)00083-8

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：

The 4 kb DNA region located immediately upstream of the Rhizobium leguminosarum by. viciae UPM791 hydrogen structural genes was sequenced and found to encode a chemoreceptor of the methyl-accepting type, the first to be described in a rhizobial symbiotic plasmid. Two additional open reading frames were found. Their protein products showed sequence homology to dehydrogenases and isomerases involved in the metabolism of aromatic compounds. Mutant analysis showed that this region is not required for hydrogenase activity.

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页码：7 / 11

页数：5

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