RRC ID 15994
Author Lefèvre CT, Menguy N, Abreu F, Lins U, Pósfai M, Prozorov T, Pignol D, Frankel RB, Bazylinski DA.
Title A cultured greigite-producing magnetotactic bacterium in a novel group of sulfate-reducing bacteria.
Journal Science
Abstract Magnetotactic bacteria contain magnetosomes--intracellular, membrane-bounded, magnetic nanocrystals of magnetite (Fe(3)O(4)) or greigite (Fe(3)S(4))--that cause the bacteria to swim along geomagnetic field lines. We isolated a greigite-producing magnetotactic bacterium from a brackish spring in Death Valley National Park, California, USA, strain BW-1, that is able to biomineralize greigite and magnetite depending on culture conditions. A phylogenetic comparison of BW-1 and similar uncultured greigite- and/or magnetite-producing magnetotactic bacteria from freshwater to hypersaline habitats shows that these organisms represent a previously unknown group of sulfate-reducing bacteria in the Deltaproteobacteria. Genomic analysis of BW-1 reveals the presence of two different magnetosome gene clusters, suggesting that one may be responsible for greigite biomineralization and the other for magnetite.
Volume 334(6063)
Pages 1720-3
Published 2011-12-23
DOI 10.1126/science.1212596
PII 334/6063/1720
PMID 22194580
MeSH California Crystallization Culture Media Deltaproteobacteria / classification Deltaproteobacteria / genetics Deltaproteobacteria / isolation & purification* Deltaproteobacteria / metabolism Ecosystem Ferrosoferric Oxide / analysis Ferrosoferric Oxide / metabolism Fresh Water / microbiology Genes, rRNA Genome, Bacterial Geologic Sediments / microbiology Iron / analysis Iron / metabolism* Magnetic Phenomena* Magnetosomes / chemistry* Natural Springs / microbiology* Oxidation-Reduction Phylogeny RNA, Ribosomal, 16S / genetics Salinity Sulfates / metabolism* Sulfides / analysis Sulfides / metabolism* Water Microbiology*
IF 41.846
Times Cited 126
WOS Category MICROBIOLOGY
Altmetric score
オルトメトリクス指標項目
The most frequently cited source X(Twitter)
Total number of mentions 23
Altmetric score changes over past 6months 0.0
Resource
General Microbes JCM 18010