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Enterococcus is a large genus of lactic acid bacteria of the phylum Firmicutes. Enterococci are gram-positive cocci that often occur in pairs (diplococci) or short chains, and are difficult to distinguish from streptococci on physical characteristics alone. Two species are common commensal organisms in the intestines of humans: E. faecalis (90–95%) and E. faecium (5–10%). Rare clusters of infections occur with other species, including E. casseliflavus, E. gallinarum, and E. raffinosus.
Bacilli is a taxonomic class of bacteria that includes two orders, Bacillales and Lactobacillales, which contain several well-known pathogens such as Bacillus anthracis. Bacilli are almost exclusively gram-positive bacteria.
Chrysiogenaceae is a bacterial family.
The Phyllobacteriaceae are a family of bacteria. The most common genus is Mesorhizobium which contains some of the rhizobia species.
The Clostridia are a highly polyphyletic class of Firmicutes, including Clostridium and other similar genera. They are distinguished from the Bacilli by lacking aerobic respiration. They are obligate anaerobes and oxygen is toxic to them. Species of the class Clostridia are often but not always Gram-positive and have the ability to form spores. Studies show they are not a monophyletic group, and their relationships are not entirely certain. Currently, most are placed in a single order called Clostridiales, but this is not a natural group and is likely to be redefined in the future.
Haemophilus is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the family Pasteurellaceae. While Haemophilus bacteria are typically small coccobacilli, they are categorized as pleomorphic bacteria because of the wide range of shapes they occasionally assume. These organisms inhabit the mucous membranes of the upper respiratory tract, mouth, vagina, and intestinal tract. The genus includes commensal organisms along with some significant pathogenic species such as H. influenzae—a cause of sepsis and bacterial meningitis in young children—and H. ducreyi, the causative agent of chancroid. All members are either aerobic or facultatively anaerobic. This genus has been found to be part of the salivary microbiome.
Saccharopolyspora is a genus of bacteria within the family Pseudonocardiaceae.
Acetoanaerobium is a genus in the phylum Bacillota (Bacteria). The genus contains a single species, namely A. noterae which is an anaerobic bacterium that produces acetate from H2 and CO2.
Tepidimonas taiwanensis is a Gram-negative, motile bacterium with a single polar flagellum from the genus Tepidimonas, which was isolated from a hot spring in the Pingtung area in southern Taiwan.
Aeromonas jandaei is a Gram-negative bacterium of the genus Aeromonas isolated from human feces in Oregon.
Psychrobacter proteolyticus is a species of bacteria first isolated from the Antarctic krill Euphausia superba. It excretes a cold-adapted metalloprotease. It is a strictly aerobic, strongly oxidase-positive, psychrotrophic, halotolerant, Gram-negative nonmotile coccobacillus; its type strain is CIP106830T (=DSM13887).
Psychrobacter pulmonis is a Gram-negative, catalase- and oxidase-positive, strictly aerobic, nonmotile bacterium of the genus Psychrobacter, which was isolated from the lungs of lambs in Zaragoza in Spain. It is coccus-shaped; the type strain is S-606T.
Psychrobacter urativorans is a Gram-negative, aerobic, nonmotile bacterium of the genus Psychrobacter, which was isolated a finished package of pork sausage from frozen meat.
Blastobacter is a genus of bacteria from the family Nitrobacteraceae. Most of the species originally ascribed to Blastobacter have been transferred to other genera, with Blastobacter henricii as the only remaining valid species. To complicate matters, no type strain is available for Blastobacter henricii, so the entire genus may be dismantled.
Pararhizobium capsulatum is a bacterium from the genus Pararhizobium which was isolated from eutrophic forest pond in Germany.
Bradyrhizobium denitrificans is a bacterium from the genus Bradyrhizobium which was isolated from surface lake water in Germany.
Xanthobacter aminoxidans is a bacterium from the family of Xanthobacteraceae which has been isolated from activated sludge in Russia.
Xanthobacter viscosus is a bacterium from the family of Xanthobacteraceae which has been isolated from activated sludge in Russia.
Eggerthia is a genus from the family of Erysipelotrichidae, with one known species.
Eggerthia catenaformis is a bacterium from the genus Eggerthia isolated from a dental abscess from a human.
References
- ↑ LPSN lpsn.dsmz.de
- ↑ Sly, L. I. (1985). "Emendation of the Genus Blastobacter Zavarzin 1961 and Description of Blastobacter natatorius sp. nov". International Journal of Systematic Bacteriology. 35 (1): 40–45. doi: 10.1099/00207713-35-1-40 .
- ↑ The Taxonomicon Archived August 8, 2014, at the Wayback Machine