Query: NC_017511:1936331 Neisseria gonorrhoeae TCDC-NG08107 chromosome, complete genome Lineage: Neisseria gonorrhoeae; Neisseria; Neisseriaceae; Neisseriales; Proteobacteria; Bacteria General Information: One of two pathogenic Neisseria, this species causes the sexually transmitted disease (STD) gonorrhea, which is the leading reportable STD in adults in the USA. This human-specific organism colonizes and invades the mucosal surface of the urogenital epithelium, crosses the epithelial barrier, and ends up multiplying on the basement membrane. The Opa proteins are responsible for the opaque colony phenotype due to the tight junctions between adjacent Neisseria, and are also responsible for tight adherence to host cells. This organism, like Neisseria meningitidis, is also naturally competent for DNA uptake.
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General Information: Causative agent of contagious pleuropneumonia in livestock. This genus belongs to the class Mollicutes (phylum Tenericutes), a taxonomic group of small (0.3-0.8 micron diameter) monoderm bacteria characterized by the lack of cell walls, reduced genome sizes, and obligate parasitic lifestyles (Krieg et al., 2010). Over 120 obligate parasitic species found in a wide spectrum of hosts, including humans, animals, insects and plants. Infection typically proceeds through the attachment of bacteria to host cells via assorted adhesins or, in some species, through highly specialized surface protein appendages. In some cases, subsequent invasion of host cells results in a prolonged intracellular persistence that may cause lethality. These adaptive strategies are involved in host cell attachment and invasion, as well as immune evasion. Although mycoplasmas are dependent on their association with eukaryotic host tissue in nature, most can be cultivated axenically if their fastidious growth requirements are met. Nearly all mycoplasmas derive energy only from glycolytic pathways, whereas some can hydrolyze arginine. Assigned to the genus Mycoplasma by historic taxonomic precedent, organism in the Mycoplasma mycoides phylogenetic cluster are in fact more closely related to other genera in the Mollicutes (Krieg et al., 2010).