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Enterobacteriaceae is a large family of Gram-negative bacteria. It was first proposed by Rahn in 1936, and now includes over 30 genera and more than 100 species. Its classification above the level of family is still a subject of debate, but one classification places it in the order Enterobacterales of the class Gammaproteobacteria in the phylum Proteobacteria. In 2016, the description and members of this family were emended based on comparative genomic analyses by Adeolu et al.
Acidobacteriota is a phylum of Gram-negative bacteria. Its members are physiologically diverse and ubiquitous, especially in soils, but are under-represented in culture.
Enterobacterales is an order of Gram-negative, non-spore forming, facultatively anaerobic, rod-shaped bacteria with the class Gammaproteobacteria. The type genus of this order is Enterobacter.
Alphaproteobacteria is a class of bacteria in the phylum Proteobacteria. The Magnetococcales and Mariprofundales are considered basal or sister to the Alphaproteobacteria. The Alphaproteobacteria are highly diverse and possess few commonalities, but nevertheless share a common ancestor. Like all Proteobacteria, its members are gram-negative and some of its intracellular parasitic members lack peptidoglycan and are consequently gram variable.
The Nitrosopumilales are an order of the Archaea class Nitrososphaeria.
The Synergistota is a phylum of anaerobic bacteria that show Gram-negative staining and have rod/vibrioid cell shape. Although Synergistota have a diderm cell envelope, the genes for various proteins involved in lipopolysaccharides biosynthesis have not yet been detected in Synergistota, indicating that they may have an atypical outer cell envelope. The Synergistota inhabit a majority of anaerobic environments including animal gastrointestinal tracts, soil, oil wells, and wastewater treatment plants and they are also present in sites of human diseases such as cysts, abscesses, and areas of periodontal disease. Due to their presence at illness related sites, the Synergistota are suggested to be opportunistic pathogens but they can also be found in healthy individuals in the microbiome of the umbilicus and in normal vaginal flora. Species within this phylum have also been implicated in periodontal disease, gastrointestinal infections and soft tissue infections. Other species from this phylum have been identified as significant contributors in the degradation of sludge for production of biogas in anaerobic digesters and are potential candidates for use in renewable energy production through their production of hydrogen gas. All of the known Synergistota species and genera are presently part of a single class (Synergistia), order (Synergistiales), and family (Synergistaceae).
The Chloroflexota are a phylum of bacteria containing isolates with a diversity of phenotypes, including members that are aerobic thermophiles, which use oxygen and grow well in high temperatures; anoxygenic phototrophs, which use light for photosynthesis ; and anaerobic halorespirers, which uses halogenated organics as electron acceptors.
Nitrospirota is a phylum of bacteria. It includes multiple genera, such as Nitrospira, the largest. The first member of this phylum, Nitrospira marina, was discovered in 1985. The second member, Nitrospira moscoviensis, was discovered in 1995.
Liberibacter is a genus of Gram-negative bacteria in the Rhizobiaceae family. Detection of the liberibacteria is based on PCR amplification of their 16S rRNA gene with specific primers. Members of the genus are plant pathogens mostly transmitted by psyllids. The genus was originally spelled Liberobacter.
"CandidatusScalindua brodae" is a bacterial member of the order Planctomycetales and therefore lacks peptidoglycan in its cell wall, has a compartmentalized cytoplasm. It is an ammonium oxidising bacteria.
Cupriavidus basilensis is a gram-negative soil bacterium of the genus Cupriavidus and the family Burkholderiaceae. The complete genome sequence of its type strain has been determined and is publicly available at DNA Data Bank of Japan, European Nucleotide Archive and GenBank, under the accession numbers CP062803, CP062804, CP062805, CP062806, CP062807, CP062808, CP062809 and CP062810.
Candidatus Caballeronia kirkii is a Gram-negative, non-fermenting bacterium from the genus Caballeronia and the family Burkholderiaceae. Ca. C. kirkii is an endosymbiont of the plant Psychotria kirkii, also known as Rubiaceae, and exists inside leaf and stem nodules.
"Candidatus Caballeronia nigropunctata" is a Candidatus species of bacteria from the genus Caballeronia and the family Burkholderiaceae. "Candidatus Caballeronia nigropunctata" is an endosymbiont of the plant Psychotria nigropunctata.
"Candidatus Caballeronia verschuerenii" is a bacterium from the genus of Caballeronia and the family Burkholderiaceae.
"Procabacteriaceae" is a Candidatus family of uncultivated Gram-negative Betaproteobacteria. The sole genus, "Procabacter", was identified as an obligate endosymbiont of Acanthamoeba.
Caballeronia is a genus of bacteria from the family of Burkholderiaceae which has been reported to perform biological nitrogen fixation and promote plant growth
Nitrospinota is a bacterial phylum. Despite only few described species, members of this phylum are major nitrite-oxidizing bacteria in surface waters in oceans. By oxidation of nitrite to nitrate they are important in the process of nitrification in marine environments.
Ulvibacter marinus is a Gram-negative, aerobic, chemoheterotrophic and non-motile bacterium from the genus of Ulvibacter which has been isolated from seawater from the coast of the Yellow Sea.
Winogradskyella is a genus of bacteria from the family of Flavobacteriaceae. Winogradskyella is named after the Russian microbiologist Sergei Winogradsky.
Patiriisocius marinistellae is a Gram-negative, aerobic, rod-shaped and non-spore-forming bacterium from the genus of Patiriisocius which has been isolated from the surface of the starfish Patiria pectinifera from the coast of Hokkaido.
References
- 1 2 "Species: Ulvibacter alkanivorans". LPSN.DSMZ.de.
- ↑ "Candidatus Ulvibacter alkanivorans". www.uniprot.org.
- ↑ Campeão, Mariana E.; Swings, Jean; Silva, Bruno Sergio; Otsuki, Koko; Thompson, Fabiano L.; Thompson, Cristiane C. (11 April 2019). ""Candidatus Colwellia aromaticivorans" sp. nov., "Candidatus Halocyntiibacter alkanivorans" sp. nov., and "Candidatus Ulvibacter alkanivorans" sp. nov. Genome Sequences". Microbiology Resource Announcements. 8 (15): MRA.00086–19, e00086–19. doi:10.1128/MRA.00086-19. PMC 6460022 . PMID 30975799.