Annu Rev Biochem. 2007;76:351-66.

Molecular mechanisms of magnetosome formation.

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Department of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA. komeili@nature.berkeley.edu

Abstract

Magnetotactic bacteria are a diverse group of microorganisms with the ability to use geomagnetic fields for direction sensing. This unique feat is accomplished with the help of magnetosomes, nanometer-sized magnetic crystals surrounded by a lipid bilayer membrane and organized into chains via a dedicated cytoskeleton within the cell. Because of the special properties of these magnetic crystals, magnetotactic bacteria have been exploited for a variety of applications in diverse disciplines from geobiology to biotechnology. In addition, magnetosomes have served as a powerful model system for the study of biomineralization and cell biology in bacteria. This review focuses on recent advances in understanding the molecular mechanisms of magnetosome formation and magnetite biomineralization.

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The major magnetosome proteins MamGFDC are not essential for magnetite biomineralization in Magnetospirillum gryphiswaldense but regulate the size of magnetosome crystals. [J Bacteriol. 2008]
The major magnetosome proteins MamGFDC are not essential for magnetite biomineralization in Magnetospirillum gryphiswaldense but regulate the size of magnetosome crystals.
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Cited by 20 PubMed Central articles

Interplay of magnetic interactions and active movements in the formation of magnetosome chains. [PLoS One. 2012]
Interplay of magnetic interactions and active movements in the formation of magnetosome chains.
Klumpp S, Faivre D. PLoS One. 2012; 7(3):e33562. Epub 2012 Mar 19.
Self-recognition mechanism of MamA, a magnetosome-associated TPR-containing protein, promotes complex assembly. [Proc Natl Acad Sci U S A. 2011]
Self-recognition mechanism of MamA, a magnetosome-associated TPR-containing protein, promotes complex assembly.
Zeytuni N, Ozyamak E, Ben-Harush K, Davidov G, Levin M, Gat Y, Moyal T, Brik A, Komeili A, Zarivach R. Proc Natl Acad Sci U S A. 2011 Aug 16; 108(33):E480-7. Epub 2011 Jul 22.
Magnetosome expression of functional camelid antibody fragments (nanobodies) in Magnetospirillum gryphiswaldense. [Appl Environ Microbiol. 2011]
Magnetosome expression of functional camelid antibody fragments (nanobodies) in Magnetospirillum gryphiswaldense.
Pollithy A, Romer T, Lang C, Müller FD, Helma J, Leonhardt H, Rothbauer U, Schüler D. Appl Environ Microbiol. 2011 Sep; 77(17):6165-71. Epub 2011 Jul 15.

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