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Life 2015, 5(1), 700-715;

Appendages of the Cyanobacterial Cell

University of Freiburg, Institute of Biology III, Schänzlestr. 1, 79104 Freiburg, Germany
Author to whom correspondence should be addressed.
Academic Editors: John C. Meeks and Robert Haselkorn
Received: 10 January 2015 / Revised: 12 February 2015 / Accepted: 25 February 2015 / Published: 4 March 2015
(This article belongs to the Special Issue Cyanobacteria: Ecology, Physiology and Genetics)
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Extracellular non-flagellar appendages, called pili or fimbriae, are widespread in gram-negative bacteria. They are involved in many different functions, including motility, adhesion, biofilm formation, and uptake of DNA. Sequencing data for a large number of cyanobacterial genomes revealed that most of them contain genes for pili synthesis. However, only for a very few cyanobacteria structure and function of these appendages have been analyzed. Here, we review the structure and function of type IV pili in Synechocystis sp. PCC 6803 and analyze the distribution of type IV pili associated genes in other cyanobacteria. Further, we discuss the role of the RNA-chaperone Hfq in pilus function and the presence of genes for the chaperone-usher pathway of pilus assembly in cyanobacteria. View Full-Text
Keywords: type IV pili; motility; surface structure type IV pili; motility; surface structure

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Schuergers, N.; Wilde, A. Appendages of the Cyanobacterial Cell. Life 2015, 5, 700-715.

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