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Journal of Bacteriology, October 2002, p. 5524-5528, Vol. 184, No. 19
0021-9193/02/$04.00+0     DOI: 10.1128/JB.184.19.5524-5528.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

A Novel Gene That Bears a DnaJ Motif Influences Cyanobacterial Cell Division

Olga A. Koksharova and C. Peter Wolk^*

MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48823-1312

Received 1 February 2002/ Accepted 2 July 2002

Transposon Tn5-692 mutagenizes Synechococcus sp. strain PCC 7942 efficiently. The predicted product of the gene mutated in the Tn5-692-derived cell division mutant FTN2 has an N-terminal DnaJ domain, as have its cyanobacterial and plant orthologs. Anabaena sp. strain PCC 7120, when mutated in genes orthologous to ftn2 and ftn6, forms akinete-like cells.

Present address: N. Vavilov Institute of General Genetics, Moscow 119991, Russia.

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