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Suncana Moslavac, Veronika Reisinger, Matthias Berg, Oliver Mirus, Oliver Vosyka, Matthias Plöscher, Enrique Flores, Lutz A. Eichacker, Enrico Schleiff

The proteome of the heterocyst cell wall in Anabaena sp. PCC 7120

Keywords: Anabaena, -barrel protein prediction, heterocyst, outer membrane, proteome analysis

Anabaena sp. PCC 7120 is a filamentous cyanobacterium that serves as a model to analyze prokaryotic cell differentiation, evolutionary development of plastids, and the regulation of nitrogen fixation. The cell wall is the cellular structure in contact with the surrounding medium. To understand the dynamics of the cell wall proteome during cell differentiation, the cell wall from Anabaena heterocysts was enriched and analyzed. In line with the recently proposed continuity of the outer membrane along the Anabaena filament, most of the proteins identified in the heterocyst cell wall fraction are also present in the cell wall of vegetative cells, even thought the lipid content of both membranes is different.

Biological Chemistry, Walter de Gruyter

Print ISSN: 1431-6730
Volume: 2007
Pages: -

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