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Spirochaeta is a genus of bacteria classified within the phylum Spirochaetota.
Mollicutes is a class of bacteria distinguished by the absence of a cell wall. The word "Mollicutes" is derived from the Latin mollis, and cutis. Individuals are very small, typically only 0.2–0.3 μm in size and have a very small genome size. They vary in form, although most have sterols that make the cell membrane somewhat more rigid. Many are able to move about through gliding, but members of the genus Spiroplasma are helical and move by twisting. The best-known genus in the Mollicutes is Mycoplasma. Colonies show the typical "fried-egg" appearance.
Acholeplasmataceae is a family of bacteria. It is the only family in the order Acholeplasmatales, placed in the class Mollicutes. The family comprises the genera Acholeplasma and Phytoplasma. Phytoplasma has the candidatus status, because members still could not be cultured.
Acholeplasma are wall-less bacteria in the Mollicutes class. They include saprotrophic or pathogenic species. There are 15 recognised species. The G+C content is low, ranging from 26 - 36% (mol%). The genomes of Acholeplasma species range in size from 1.5 to 1.65 Mbp. Cholesterol is not required for growth. The species are found on animals, and some plants and insects. The optimum growth temperature is 30 to 37 degrees Celsius.
Desulfovibrionales are a taxonomic order of bacteria belonging to the phylum Thermodesulfobacteriota, with four families. They are Gram-negative. The majority are sulfate-reducing, with the exception of Lawsonia and Bilophila. All members of this order are obligately anaerobic. Most species are mesophilic, but some are moderate thermophiles.
Entomoplasmatales is a small order of mollicute bacteria.
The Erysipelotrichaceae are a family of Gram-positive bacteria.
The Halanaerobiales are an order of bacteria placed within the class Clostridia, and encompassing two families, the Halanaerobiaceae and the Halobacteroidaceae. Originally placed within the highly polyphyletic class Clostridia, according to the NCBI and LPSN, it is now thought to lie outside the Bacillota. Halanaerobiales are halophilic obligate anaerobes with a fermentative or homoacetogenic metabolism.
In taxonomy, the Desulfurococcaceae are a family of the disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of this family are distinguished from the other family (Pyrodictiaceae) in the order Desulfurococcales by having an optimal growth temperature below 100 °C, rather than above 100 °C, and by being more diverse. Several genera of the family have been identified.
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The Erysipelotrichia are a class of bacteria of the phylum Bacillota. Species of this class are known to be common in the gut microbiome, as they have been isolated from swine manure and increase in composition of the mouse gut microbiome for mice switched to diets high in fat.
The Rhodothermales are an order of bacteria.
Pelagicoccus is a Gram-negative genus of bacteria from the family of Puniceicoccaceae.
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References
- ↑ J.P. Euzéby. "Anaeroplasmatales". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2022-03-20.
- ↑ Sayers; et al. "Anaeroplasmatales". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2022-03-20.
- 1 2 3 Robinson IM, Freundt EA (January 1987). "Proposal for an Amended Classification of Anaerobic Mollicutes". International Journal of Systematic Bacteriology. 37 (1): 78–81. doi: 10.1099/00207713-37-1-78 .
- ↑ J.P. Euzéby. "Anaeroplasmatales". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2022-09-02.
- ↑ Sayers; et al. "Anaeroplasmatales". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2022-03-20.
- ↑ "The LTP" . Retrieved 23 February 2021.
- ↑ "LTP_all tree in newick format" . Retrieved 23 February 2021.
- ↑ "LTP_12_2021 Release Notes" (PDF). Retrieved 23 February 2021.
- ↑ "GTDB release 07-RS207". Genome Taxonomy Database . Retrieved 20 June 2022.
- ↑ "ar53_r207.sp_label". Genome Taxonomy Database . Retrieved 20 June 2022.
- ↑ "Taxon History". Genome Taxonomy Database . Retrieved 20 June 2022.
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