ArticleScientific reports2018
Magnetic-field induced rotation of magnetosome chains in silicified magnetotactic bacteria.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- The Biomedical Limitations of Magnetic Nanoparticles and a Biocompatible Alternative in the Form of Magnetotactic Bacteria.Journal of functional biomaterials · 2025Review
- A Review of the Current State of Magnetic Force Microscopy to Unravel the Magnetic Properties of Nanomaterials Applied in Biological Systems and Future Directions for Quantum Technologies.Nanomaterials (Basel, Switzerland) · 2023Review
- Therapeutic Applications of Magnetotactic Bacteria and Magnetosomes: A Review Emphasizing on the Cancer Treatment.Frontiers in bioengineering and biotechnology · 2022Review
- Magnetic Properties of Bacterial Magnetosomes Produced byMicroorganisms · 2021Article
- Bioinspired Magnetic Nanochains for Medicine.Pharmaceutics · 2021Review
- Magnetosomes and Magnetosome Mimics: Preparation, Cancer Cell Uptake and Functionalization for Future Cancer Therapies.Pharmaceutics · 2021Article
- Improved methods for mass production of magnetosomes and applications: a review.Microbial cell factories · 2020Review
- Bacteria as genetically programmable producers of bioactive natural products.Nature reviews. Chemistry · 2020Review
- Probing the stability and magnetic properties of magnetosome chains in freeze-dried magnetotactic bacteria.Nanoscale advances · 2020Article
- Continuous-Flow Separation and Efficient Concentration of Foodborne Bacteria from Large Volume Using Nickel Nanowire Bridge in Microfluidic Chip.Micromachines · 2019Article
- Article
- Applications of Magnetotactic Bacteria, Magnetosomes and Magnetosome Crystals in Biotechnology and Nanotechnology: Mini-Review.Molecules (Basel, Switzerland) · 2018Review
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the biological processes enabling magnetotactic bacteria to maintain oriented chains of magnetic iron-bearing nanoparticles called magnetosomes is a major challenge. The study aimed to constrain the role of an external applied magnetic field on the alignment of magnetosome chains in Magnetospirillum magneticum AMB-1 magnetotactic bacteria immobilized within a hydrated silica matrix. A deviation of the chain orientation was evidenced, without significant impact on cell viability, which was preserved after the field was turned-off. Transmission electron microscopy showed that the crystallographic orientation of the nanoparticles within the chains were preserved. Off-axis electron holography evidenced that the change in magnetosome orientation was accompanied by a shift from parallel to anti-parallel interactions between individual nanocrystals. The field-induced destructuration of the chain occurs according to two possible mechanisms: (i) each magnetosome responds individually and reorients in the magnetic field direction and/or (ii) short magnetosome chains deviate in the magnetic field direction. This work enlightens the strong dynamic character of the magnetosome assembly and widens the potentialities of magnetotactic bacteria in bionanotechnology.
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