Diversity of magnetotactic bacteria in the Moskva River at the Strogino area was studied using microscopy and phylogenetic analysis. Magnetotactic cocci were the predominant morphotype. Phylogenetic analysis of the 16S rRNA gene sequences revealed 13 OTUs of the orders Magnetococcales and Rhodospirillales, class Alphaproteobacteria. The shares of the relevant sequences were 90 and 10%, respectively. An axenic culture of magnetotactic spirilla was isolated from the studied community. According to the results of the 16S rRNA gene sequencing, the isolate was identified as a new Magnetospirillum species.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Amended Ferrozine Assay for Quantifying Magnetosome Iron Content in Magnetotactic Bacteria.
ACS Omega
December 2024
Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung 40227, Taiwan.
MSR-1 can biomineralize the magnetosome, nanoscale magnetite (FeO) surrounded by a lipid bilayer, inside the cell. The magnetosome chain(s) enables MSR-1 to move along with the magnetic field (magnetoaerotaxis). Due to its unique characteristics, MSR-1 has attracted attention for biotechnological applications.
View Article and Find Full Text PDFThe origins of light-independent magnetoreception in humans.
Front Hum Neurosci
November 2024
The Research Center for Brain Function and Medical Engineering, Asahikawa Medical University, Asahikawa, Japan.
Article Synopsis
- Earth's abundance of iron has been essential for the development of life, influencing biochemical processes and leading to the emergence of early life forms near hydrothermal vents.
- Iron also plays a role in the evolution of organisms like magnetotactic bacteria, which can detect the Earth's geomagnetic field, showing adaptations beyond humans' conventional senses.
- Research on species such as zebrafish and pigeons indicates that various life forms have specialized mechanisms for geomagnetic sensing, hinting at complex interactions in the brain related to magnetic fields and their implications for human magnetoreception.
On the backward excursions in the free-swimming magnetotactic multicellular prokaryote 'Candidatus Magnetoglobus multicellularis'.
Braz J Microbiol
December 2024
Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, RJ, Brazil.
Magnetotactic bacteria align to magnetic field lines while swimming in a behavior known as magnetotaxis. They are diverse phylogenetically and morphologically and include both unicellular and multicellular morphologies. The magnetotactic multicellular prokaryote (MMP) 'Candidatus Magnetoglobus multicellularis' has been extensively studied, even though it remains uncultured up to now.
View Article and Find Full Text PDFMagnetochrome-catalyzed oxidation of ferrous iron by MamP enables magnetite crystal growth in the magnetotactic bacterium AMB-1.
Proc Natl Acad Sci U S A
December 2024
Commissariat à l'Energie Atomique (CEA), CNRS, Bioscience and Biotechnology Institute of Aix-Marseille (BIAM), Aix-Marseille Université, Saint-Paul-lez-Durance 13115, France.
Magnetotactic bacteria have evolved the remarkable capacity to biomineralize chains of magnetite [Fe(II)Fe(III)O] nanoparticles that align along the geomagnetic field and optimize their navigation in the environment. Mechanisms enabling magnetite formation require the complex action of numerous proteins for iron acquisition, sequestration in dedicated magnetosome organelles, and precipitation into magnetite. The MamP protein contains c-type cytochromes called magnetochrome domains that are found exclusively in magnetotactic bacteria.
View Article and Find Full Text PDFBiomineralization in magnetotactic bacteria: From diversity to molecular discovery-based applications.
Cell Rep
December 2024
Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; France-China Joint Laboratory for Evolution and Development of Magnetotactic Multicellular Organisms, Chinese Academy of Sciences, Beijing 100029, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address:
Article Synopsis
- The text discusses the unique process of magnetosome formation in magnetotactic bacteria (MTB), showcasing it as a significant microbial-controlled biomineralization example.
- It emphasizes the importance of studying MTB to comprehend magnetoreception, bacterial organelles, and to explore potential applications in biotechnology and medicine.
- The review highlights recent discoveries about MTB diversity and provides insights into magnetosome biosynthesis, along with the increasing biomedical and biotechnological uses of these microorganisms.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!