Advances in Magnetotactic Bacteria

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 1160

Special Issue Editor


E-Mail Website
Guest Editor
CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Interests: microbial diversity

Special Issue Information

Dear Colleagues,

Magnetotactic bacteria are a group of Gram-negative bacteria uniquely characterized by their ability to synthesize magnetosomes through intracellular biomineralization. These magnetosomes are arranged in chains, forming a "biological compass" that enables the bacteria to orient themselves along Earth's magnetic field, thereby efficiently navigating to optimal habitats. Despite their near-ubiquitous ecological distribution and remarkably versatile ecological functions, numerous unresolved mysteries persist regarding these microorganisms. This special issue highlights multidisciplinary advances in magnetotactic microorganisms (encompassing bacteria and unicellular eukaryotes), including but not limited to:

  1. Isolation, cultivation, and genomic characterization of novel species;
  2. Molecular regulatory mechanisms governing magnetosome biomineralization;
  3. Ecological studies on their roles in natural ecosystems;
  4. Evolutionary origins reconstructed through fossil records and comparative genomics.

We cordially invite scholars in related fields to contribute original research articles or review papers to collectively advance breakthrough understanding in this interdisciplinary domain.

Dr. Hongmiao Pan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • magnetotactic bacteria
  • multicellular magnetotactic prokaryotes
  • magnetically responsive protists
  • magnetosome
  • biomineralization
  • culture
  • genome
  • evolution
  • environmental adaptability strategy
  • ecological function
  • magnetofossil
  • metagenome assembled genomes

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

20 pages, 14581 KB  
Article
Diversity of Multicellular Magnetotactic Prokaryotes in Sanya Haitang Bay
by Jiangxue Shi, Wenyan Zhang, Yi Dong, Yao Liu, Min Liu, Tian Xiao, Long-Fei Wu and Hongmiao Pan
Microorganisms 2025, 13(11), 2624; https://doi.org/10.3390/microorganisms13112624 - 19 Nov 2025
Viewed by 843
Abstract
The intertidal sediments of Sanya Haitang Bay, a tropical coast, harbor abundant multicellular magnetotactic prokaryotes (MMPs). Using light and electron microscopy, micromanipulation sorting, and whole-genome amplification, we examined their diversity from morphological, phylogenetic, and ecological perspectives. Two types of MMPs were identified: ellipsoidal [...] Read more.
The intertidal sediments of Sanya Haitang Bay, a tropical coast, harbor abundant multicellular magnetotactic prokaryotes (MMPs). Using light and electron microscopy, micromanipulation sorting, and whole-genome amplification, we examined their diversity from morphological, phylogenetic, and ecological perspectives. Two types of MMPs were identified: ellipsoidal (eMMPs) and spherical (sMMPs). Their average abundance was 1.37 × 103 ind./dm3 in autumn and 0.27 × 103 ind./dm3 in spring, indicating strong seasonal variation. eMMPs averaged 9.74 × 8.15 µm, consisting of 80–100 cells arranged in layers, whereas sMMPs averaged 5.64 µm in diameter with 40–50 cells organized radially or spirally. Electron microscopy revealed bullet-shaped magnetosomes in both types: those in eMMPs averaged 90.1 × 34.0 nm, while those in sMMPs averaged 97.2 × 36.3 nm. Interestingly, Cu was homogenously detected in the magnetosomes of sMMPs. 16S rRNA gene analysis identified nine OTUs, including three potential new species in the Desulfobacteraceae family within Thermodesulfobacteriota phylum. Of these, two may represent a new genus, and one is affiliated with Candidatus Magnetananas. Global distribution analysis suggests that eMMPs prefer stable, nutrient-rich environments, whereas sMMPs occupy broader ecological niches. Together, these findings expand understanding of tropical MMP diversity and distribution, and the discovery of Cu-containing magnetosomes provides new insight into biomineralization mechanisms. Full article
(This article belongs to the Special Issue Advances in Magnetotactic Bacteria)
Show Figures

Figure 1

Back to TopTop