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Journal of Bacteriology, October 2009, p. 6465-6468, Vol. 191, No. 20
0021-9193/09/$08.00+0     doi:10.1128/JB.00858-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

The Iho670 Fibers of Ignicoccus hospitalis: a New Type of Archaeal Cell Surface Appendage {triangledown}

Daniel W. Müller,1,{dagger} Carolin Meyer,1 Sonja Gürster,1,{ddagger} Ulf Küper,1 Harald Huber,1 Reinhard Rachel,1 Gerhard Wanner,2 Reinhard Wirth,1* and Annett Bellack1

Lehrstuhl für Microbiology, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany,1 Biozentrum der LMU, Department Biologie I, Großhadenerstrasse 4, 82152 Planegg-Martinsried, Germany2

Received 30 June 2009/ Accepted 5 August 2009

Ignicoccus hospitalis forms many cell surface appendages, the Iho670 fibers (width, 14 nm; length, up to 20 µm), which constitute up to 5% of cellular protein. They are composed mainly of protein Iho670, possessing no homology to archaeal flagellins or fimbrins. Their existence as structures different from archaeal flagella or fimbriae have gone unnoticed up to now because they are very brittle.

* Corresponding author. Mailing address: Universität Regensburg, Mikrobiologie—NWF III, Universitätsstraße 31, D-93053 Regensburg, Germany. Phone: 49-941-943-1825. Fax: 49-941-943-1824. E-mail: Reinhard.Wirth{at}biologie.uni-r.de

{triangledown} Published ahead of print on 14 August 2009.

{dagger} Present address: Institute of Pathology, University Hospital of Regensburg; Franz-Josef-Strauss-Allee 11, D-93053 Regensburg, Germany.

{ddagger} Present address: Institute for Anatomy, University of Regensburg, Universitätsstr. 31, D-93053 Regensburg, Germany.

Journal of Bacteriology, October 2009, p. 6465-6468, Vol. 191, No. 20
0021-9193/09/$08.00+0     doi:10.1128/JB.00858-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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