The glnB gene of Rhizobium leguminosarum biovar viceae期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The glnB gene of Rhizobium leguminosarum biovar viceae

Authors:	A Holtel S Colonna-Romano M Guida A Riccio MJ Merrick M Iaccarino

Institution:	International Institute of Genetics and Biophysics, CNR, via Marconi 10, Naples, Italy;AFRC Institute of Plant Science Research, Nitrogen Fixation Laboratory, University of Sussex, Brighton, U.K.

Abstract:	Abstract An open-reading frame (ORF111) upstream of the glutamine synthetase I structural gene ( glnA ) in Rhizobium leguminosarum biovar viceae encodes a protein which is highly homologous to the P_II protein (encoded by glnB ) of enteric bacteria. ORF111 was cloned in a number of different plasmid vectors and shown to complement a K. pneumoniae glnB mutant. We propose that ORF111 encodes the P_II protein of R. leguminosarum and that it should be designated glnB .

Keywords:	Rhizobium leguminosarum glnB Nitrogen metabolism