Phenotypic and genomic characterization of Bathyarchaeum tardum gen. nov., sp. nov., a cultivated representative of the archaeal class Bathyarchaeia.

ABSTRACT: Bathyarchaeia are widespread in various anoxic ecosystems and are considered one of the most abundant microbial groups on the earth. There are only a few reports of laboratory cultivation of Bathyarchaeia, and none of the representatives of this class has been isolated in pure culture. Here, we report a sustainable cultivation of the Bathyarchaeia archaeon (strain M17C^Ts) enriched from anaerobic sediment of a coastal lake. The cells of strain M17C^Ts were small non-motile cocci, 0.4-0.7 μm in diameter. The cytoplasmic membrane was surrounded by an S-layer and covered with an outermost electron-dense sheath. Strain M17C^Ts is strictly anaerobic mesophile. It grows at 10-45°C (optimum 37°C), at pH 6.0-10.0 (optimum 8.0), and at NaCl concent

SUBMITTER: Khomyakova MA 

PROVIDER: S-EPMC10477458 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature