A Novel Magnetotactic Alphaproteobacterium Producing Intracellular Magnetite and Calcium-Bearing Minerals.

ABSTRACT: Magnetotactic bacteria (MTB) are prokaryotes that form intracellular magnetite (Fe₃O₄) or greigite (Fe₃S₄) nanocrystals with tailored sizes, often in chain configurations. Such magnetic particles are each surrounded by a lipid bilayer membrane, called a magnetosome, and provide a model system for studying the formation and function of specialized internal structures in prokaryotes. Using fluorescence-coupled scanning electron microscopy, we identified a novel magnetotactic spirillum, XQGS-1, from freshwater Xingqinggong Lake, Xi'an City, Shaanxi Province, China. Phylogenetic analyses based on 16S rRNA gene sequences indicate that strain XQGS-1 represents a novel genus of the Alphaproteobacteria class in the Proteobacteria phylum. Tr

SUBMITTER: Liu P 

PROVIDER: S-EPMC8579999 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature