Search results for magnetosomes

Cell & Microbiology Oct 30, 2023

Biosynthesis of magnetic sensor in magnetic bacteria revealed through expression of foreign proteins

A German-French research team led by Bayreuth microbiologist Dirk Schüler presents new findings on the functionality of proteins in magnetic bacteria in the journal mBio. The research is based on previous results published ...

Astrobiology Oct 2, 2023

Renaissance for magnetotactic bacteria in astrobiology

Magnetotactic bacteria can form magnetofossils like magnetic nanocrystals as observed in the Martian meteorite ALH84001, which held a special place in the field of astrobiology primarily in the early 90s. While the flourishing ...

Bio & Medicine Sep 21, 2023

New study on the genetic magnetization of living bacteria shows great potential for biomedicine

Magnetic bacteria possess extraordinary capabilities due to the magnetic nanoparticles, the magnetosomes, which are concatenated inside their cells. A research team at the University of Bayreuth has now transferred all of ...

Evolution Jun 27, 2023

Magnetic bacteria provide clues for the early diversification of bacteria

Magnetotactic bacteria, which can align with the Earth's magnetic field, have been discovered in a new location. Previously observed on land and in shallow water, analysis of a hydrothermal vent has proven that they can also ...

Cell & Microbiology May 9, 2023

Magnetic bacteria: Microorganisms can help to extract dangerous heavy metals from wastewater

A research team at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has managed to purify water containing uranium using a special kind of bacteria known as magnetotactic bacteria. The name derives from their ability to react ...

Evolution Dec 21, 2022

Researchers discover 'dormant' magnetosome genes in non-magnetic bacteria

Magnetic bacteria can align their movement with the Earth's magnetic field thanks to chains of magnetic nanoparticles inside their cells. The blueprints for making and linking these magnetosomes are stored in the bacteria's ...

Bio & Medicine Nov 8, 2022

A magnetosome-like structure with high tumor tissue penetration efficiency

In a study published in PNAS, a research team led by Prof. Wang Junfeng from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences biomimetically synthesized soft ferromagnetic nanoparticles ...

Cell & Microbiology Nov 2, 2022

Exploring the key gene networks that control magnetite biomineralization in prokaryotes

Magnetotactic bacteria (MTB) are phylogenetically and morphologically diverse prokaryotes that share an ancestral capability of producing intracellular magnetite (Fe3O4) or/and greigite (Fe3S4) nanocrystals within organelles ...

Cell & Microbiology Jun 15, 2022

Researchers discover intracellular biosilicification in prokaryotes

Biosilicification—the formation of biological structures composed of silica—has wide distribution among eukaryotes. It plays a major role in global biogeochemical cycles and has driven the decline of dissolved silicon ...

Bio & Medicine Jul 15, 2021

Using magnetotactic bacteria in oncology

Kamil Gareev, Associate Professor at ETU "LETI," justified the prospects of using magnetotactic bacteria to treat malignant tumors.

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