Karakaya, Haydar, Ay, M. Taha, Ozkul, Kubra and Mann, Nicholas H.. (2008) A Delta zwf (glucose-6-phosphate dehydrogenase) mutant of the cyanobacterium Synechocystis sp PCC 6803 exhibits unimpaired dark viability. Annals of Microbiology, Vol.58 (No.2). pp. 281-286. ISSN 1590-4261

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Abstract

Previous studies have shown that mutation of cyanobacterial zwf genes leads to markedly impaired dark viability, however, it is not entirely clear whether this phenotype is due to a polar effect on other genes in the transcriptional unit, in particular opcA. In the cyanobacterium Synechocystis sp. PCC 6803 the zwf and opcA genes are widely separated in the genome and can be mutated without polar effects on each other. The zwf gene of Synechocystis sp. PCC 6803 was deleted and no glucose-6-phosphate dehydrogenase activity was detectable in the mutant. Growth of the mutant was similar to the wild-type in the light, but also viability was unimpaired in the dark. The result of this study indicates that previously reported reduced dark viability in cyanobacterial zwf mutants may actually have been a result of impaired opcA transcription.

Item Type:	Journal Article
Subjects:	T Technology > TP Chemical technology Q Science > QR Microbiology
Divisions:	Faculty of Science > Life Sciences (2010- )
Journal or Publication Title:	Annals of Microbiology
Publisher:	Springer
ISSN:	1590-4261
Date:	2008
Volume:	Vol.58
Number:	No.2
Number of Pages:	6
Page Range:	pp. 281-286
Identification Number:	10.1007/BF03175330
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/29691

Data sourced from Thomson Reuters' Web of Knowledge

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