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Both gram-positive and gram-negative bacteria commonly have a surface layer called an S-layer. In gram-positive bacteria, the S-layer is attached to the peptidoglycan layer. Gram-negative bacteria's S-layer is attached directly to the outer membrane. Specific to gram-positive bacteria is the presence of teichoic acids in the cell wall. Some of ...
Pages in category "Gram-positive bacteria" The following 200 pages are in this category, out of approximately 221 total. This list may not reflect recent changes .
Bacteria: Escherichia coli (E. coli), common Gram-negative gut bacterium widely used in molecular genetics. Main lab strain is 'K-12'. Bacillus subtilis, endospore forming Gram-positive bacterium. Main lab strain is '168'. Caulobacter crescentus, bacterium that divides into two distinct cells used to study cellular differentiation.
High G+C Gram-positive bacteria Bacillati "Bipolaricaulota" Hao et al. 2018 KB1 "Acetothermia" (OP1) "Fraserbacteria" (RIF31) Bacillati: Deinococcota: Weisburg, Giovannoni & Woes 2021 Bacillati "Margulisiibacteriota" corrig. Anantharaman et al. 2016 "Saganbacteria" Bacillati: Cyanobacteriota: Oren, Mares & Rippka 2022 Blue-green algae ...
Examples of gram-negative diplococci are Neisseria spp. and Moraxella catarrhalis. Examples of gram-positive diplococci are Streptococcus pneumoniae and Enterococcus spp. [10] [11] Presumably, diplococcus has been implicated in encephalitis lethargica. [12] The genus Neisseria belongs to the family Neisseriaceae.
Bacillota (synonym Firmicutes) is a phylum of bacteria, most of which have gram-positive cell wall structure. [2] The renaming of phyla such as Firmicutes in 2021 remains controversial among microbiologists, many of whom continue to use the earlier names of long standing in the literature.
Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. [1] Their defining characteristic is that their cell envelope consists of a thin peptidoglycan cell wall sandwiched between an inner (cytoplasmic) membrane and an outer ...
Enterococcus is a large genus of lactic acid bacteria of the phylum Bacillota. Enterococci are Gram-positive cocci that often occur in pairs or short chains, and are difficult to distinguish from streptococci on physical characteristics alone. [2]