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Journal of Bacteriology, August 2000, p. 4640-4643, Vol. 182, No. 16
0021-9193/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Developmental Regulation of the Cell Division Protein FtsZ in Anabaena sp. Strain PCC 7120, a Cyanobacterium Capable of Terminal Differentiation

Isabelle Kuhn,1 Ling Peng,2 Sylvie Bedu,3 and Cheng-Cai Zhang1,3,*

Unité d'Immuotechnologie et Microbiologie Moléculaire, Ecole Supérieure de Biotechnologie de Strasbourg, Université Louis Pasteur de Strasbourg, 67400 Illkirch,1 and AFMB (UPR9039)2 and Laboratoire de Chimie Bactérienne (UPR9043),3 CNRS, 13402 Marseille cedex 20, France

Received 7 February 2000/Accepted 5 May 2000

Heterocysts are terminally differentiated cells devoted to nitrogen fixation in the filamentous cyanobacterium Anabaena sp. strain PCC 7120. We show here that the cell division protein FtsZ is present in vegetative cells but undetectable in heterocysts. These results provide a first rational explanation for the inability of mature heterocysts to undergo cell division.

* Corresponding author. Present address: Laboratoire de Chimie Bactérienne, CNRS, 31 chemin Joseph Aiguier, 13402 Marseille cedex 20, France. Phone: (33) 4 91164096. Fax: (33) 4 91718914. E-mail: cczhang{at}ibsm.cnrs-mrs.fr.

Journal of Bacteriology, August 2000, p. 4640-4643, Vol. 182, No. 16
0021-9193/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

  • Zhang, J.-Y., Chen, W.-L., Zhang, C.-C. (2009). hetR and patS, two genes necessary for heterocyst pattern formation, are widespread in filamentous nonheterocyst-forming cyanobacteria. Microbiology 155: 1418-1426 [Abstract] [Full Text]  
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