ArticlePloS one2012
Interplay of magnetic interactions and active movements in the formation of magnetosome chains.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 40 citations in OpenAlex.
- Set-up of a pharmaceutical cell bank of Magnetospirillum gryphiswaldense MSR1 magnetotactic bacteria producing highly pure magnetosomes.Microbial cell factories · 2024Article
- A Compass To Boost Navigation: Cell Biology of Bacterial Magnetotaxis.Journal of bacteriology · 2020Review
- Probing the Nanostructure and Arrangement of Bacterial Magnetosomes by Small-Angle X-Ray Scattering.Applied and environmental microbiology · 2019Article
- Segregation of prokaryotic magnetosomes organelles is driven by treadmilling of a dynamic actin-like MamK filament.BMC biology · 2016Article
- Magnetosome biogenesis in magnetotactic bacteria.Nature reviews. Microbiology · 2016Review
- Dynamic Remodeling of the Magnetosome Membrane Is Triggered by the Initiation of Biomineralization.mBio · 2016Article
- From invagination to navigation: The story of magnetosome-associated proteins in magnetotactic bacteria.Protein science : a publication of the Protein Society · 2016Review
- Chemical signature of magnetotactic bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Biologically controlled synthesis and assembly of magnetite nanoparticles.Faraday discussions · 2015Article
- Probing the mechanical properties of magnetosome chains in living magnetotactic bacteria.Nano letters · 2014Article
- Magnetite Crystal Orientation in Magnetosome Chains.Advanced functional materials · 2014Article
- Exposure to static magnetic field stimulates quorum sensing circuit in luminescent Vibrio strains of the Harveyi clade.PloS one · 2014Article
- Analysis of magnetosome chains in magnetotactic bacteria by magnetic measurements and automated image analysis of electron micrographs.Applied and environmental microbiology · 2013Article
- Anomalous magnetic orientations of magnetosome chains in a magnetotactic bacterium: Magnetovibrio blakemorei strain MV-1.PloS one · 2013Article
- Biogenesis and subcellular organization of the magnetosome organelles of magnetotactic bacteria.Current opinion in cell biology · 2012Review
- Crystallization and preliminary crystallographic analysis of the C-terminal domain of MamM, a magnetosome-associated protein from Magnetospirillum gryphiswaldense MSR-1.Acta crystallographica. Section F, Structural biology and crystallization communications · 2012Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetotactic bacteria assemble chains of magnetosomes, organelles that contain magnetic nano-crystals. A number of genetic factors involved in the controlled biomineralization of these crystals and the assembly of magnetosome chains have been identified in recent years, but how the specific biological regulation is coordinated with general physical processes such as diffusion and magnetic interactions remains unresolved. Here, these questions are addressed by simulations of different scenarios for magnetosome chain formation, in which various physical processes and interactions are either switched on or off. The simulation results indicate that purely physical processes of magnetosome diffusion, guided by their magnetic interactions, are not sufficient for the robust chain formation observed experimentally and suggest that biologically encoded active movements of magnetosomes may be required. Not surprisingly, the chain pattern is most resembling experimental results when both magnetic interactions and active movement are coordinated. We estimate that the force such active transport has to generate is compatible with forces generated by the polymerization or depolymerization of cytoskeletal filaments. The simulations suggest that the pleiotropic phenotypes of mamK deletion strains may be due to a defect in active motility of magnetosomes and that crystal formation in magneteosome vesicles is coupled to the activation of their active motility in M. gryphiswaldense, but not in M. magneticum.
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