Cloning and nucleotide sequence of the Streptomyces coelicolor gene encoding glutamine synthetase - PubMed (original) (raw)

Cloning and nucleotide sequence of the Streptomyces coelicolor gene encoding glutamine synthetase

L V Wray Jr et al. Gene. 1988.

Abstract

The Streptomyces coelicolor glutamine synthetase (GS) structural gene (glnA) was cloned by complementing the glutamine growth requirement of an Escherichia coli strain containing a deletion of its glnALG operon. Expression of the cloned S. coelicolor glnA gene in E. coli cells was found to require an E. coli plasmid promoter. The nucleotide sequence of an S. coelicolor 2280-bp DNA segment containing the glnA gene was determined and the complete glnA amino acid sequence deduced. Comparison of the derived S. coelicolor GS protein sequence with the amino acid sequences of GS from other bacteria suggests that the S. coelicolor GS protein is more similar to the GS proteins from Gram-negative bacteria than it is with the GS proteins from two Gram-positive bacteria, Bacillus subtilis and Clostridium acetobutylicum.

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