Journal Article

Expression of an Adenylate Cyclase Gene of <i>Anabaena cylindrica</i> in the Cyanobacterium <i>Anabaena</i> sp. Strain PCC 7120

Mitsunori Katayama and Masayuki Ohmori

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 39, issue 7, pages 786-789
Published in print July 1998 | ISSN: 0032-0781
Published online July 1998 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029435
Expression of an Adenylate Cyclase Gene of Anabaena cylindrica in the Cyanobacterium Anabaena sp. Strain PCC 7120

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A transformant of Anabaena 7120 was made by introducing a plasmid that includes an adenylate cyclase gene of Anabaena cylindrica. Expression of this gene was driven by the bacterial tac promoter. Transformants accumulate cAMP 170 fold higher than the concentration in the parental strain. The transformation resulted in the fragmentation of filaments in both nitrogen-replete and nitrogen-free media. It was suggested that this fragmentation caused the inhibition of growth under nitrogen-fixing conditions.

Keywords: cAMP; Adenylate cyclase gene; Expression; Light signal; Filament fragmentation

Journal Article.  0 words. 

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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