Form‐Cyanobacterium

Abstract Cy.ano'bact.er.ium. Gr. adj. kuanos blue (color); Gr. n. bakterion (diminutive of baktron ) small rod; M.L. neut. n. Cyanobacterium small blue‐(green) rod. Unicellular cyanobacteria that reproduce by transverse binary fission in a single plane. Cells are spherical to rod‐shaped, 1.7–2.3 µm in diameter. Thylakoids are parallel and located throughout the cell. The mol % G + C of the DNA is : 39–41. Type species : (Botanical Code): Cyanobacterium stanieri Rippka and Cohen‐Bazire 1983. Taxonomic and Nomenclature Notes According to the List of Prokaryotic names with Standing in Nomenclature (LPSN), the taxonomic status of the genus Cyanobacterium is: correct name (last update, February 2025) * . LPSN classification: Bacteria / Bacillati / Cyanobacteriota / Cyanophyceae / Chroococcales / Geminocystaceae / Cyanobacterium The genus Cyanobacterium can also be recovered in the Genome Taxonomy Database (GTDB) as g__Cyanobacterium (version v220) ** . GTDB classification: d__Bacteria / p__Cyanobacteriota / c__Cyanobacteriia / o__Cyanobacteriales / f__Cyanobacteriaceae / g__Cyanobacterium * Meier‐Kolthoff et al. ( 2022 ). Nucleic Acids Res , 50 , D801 – D807 ; DOI: 10.1093/nar/gkab902 ** Parks et al. ( 2022 ). Nucleic Acids Res , 50 , D785 – D794 ; DOI: 10.1093/nar/gkab776