ArticlePloS one2013
Anomalous magnetic orientations of magnetosome chains in a magnetotactic bacterium: Magnetovibrio blakemorei strain MV-1.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
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Who cites it
12 citing papers in PubMed, 32 citations in OpenAlex.
- Exploring the Complex Interplay of Anisotropies in Magnetosomes of Magnetotactic Bacteria.ACS omega · 2025Article
- Single-Particle Photothermal Circular Dichroism and Photothermal Magnetic Circular Dichroism Microscopy.Nano letters · 2024Review
- Collective magnetotaxis of microbial holobionts is optimized by the three-dimensional organization and magnetic properties of ectosymbionts.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Key gene networks that control magnetosome biomineralization in magnetotactic bacteria.National science review · 2023Article
- Article
- Iron LInorganic chemistry · 2017Article
- Measuring spectroscopy and magnetism of extracted and intracellular magnetosomes using soft X-ray ptychography.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Biologically controlled synthesis and assembly of magnetite nanoparticles.Faraday discussions · 2015Article
- Article
- 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
- Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
There is a good deal of published evidence that indicates that all magnetosomes within a single cell of a magnetotactic bacterium are magnetically oriented in the same direction so that they form a single magnetic dipole believed to assist navigation of the cell to optimal environments for their growth and survival. Some cells of the cultured magnetotactic bacterium Magnetovibrio blakemorei strain MV-1 are known to have relatively wide gaps between groups of magnetosomes that do not seem to interfere with the larger, overall linear arrangement of the magnetosomes along the long axis of the cell. We determined the magnetic orientation of the magnetosomes in individual cells of this bacterium using Fe 2p X-ray magnetic circular dichroism (XMCD) spectra measured with scanning transmission X-ray microscopy (STXM). We observed a significant number of cases in which there are sub-chains in a single cell, with spatial gaps between them, in which one or more sub-chains are magnetically polarized opposite to other sub-chains in the same cell. These occur with an estimated frequency of 4.0±0.2%, based on a sample size of 150 cells. We propose possible explanations for these anomalous cases which shed insight into the mechanisms of chain formation and magnetic alignment.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.