Related Research Articles
A spirochaete or spirochete is a member of the phylum Spirochaetota, which contains distinctive diderm (double-membrane) gram-negative bacteria, most of which have long, helically coiled cells. Spirochaetes are chemoheterotrophic in nature, with lengths between 3 and 500 μm and diameters around 0.09 to at least 3 μm.
Agrobacterium is a genus of Gram-negative bacteria established by H. J. Conn that uses horizontal gene transfer to cause tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus. Agrobacterium is well known for its ability to transfer DNA between itself and plants, and for this reason it has become an important tool for genetic engineering.
In taxonomy, Ruegeria is a genus of the Rhodobacteraceae. This genus was formerly known as the marine Agrobacterium before they were reclassified in 1998. It bears in fact the name of Hans-Jürgen Rüger, a German microbiologist, for his contribution to the taxonomy of marine species of Agrobacterium.
In taxonomy, Ahrensia is a genus of the Hyphomicrobiales. Ahrensia is named after the German microbiologist R. Ahrens. The cells are rod-shaped and motile. They are strictly aerobic.
In taxonomy, Stappia is a genus of the Hyphomicrobiales. Some members of the genus oxidize carbon monoxide (CO) aerobically. Stappia indica is a diatom associated bacterium which is known to inhibit the growth of diatoms such as Thalassiosira pseudonana.
In taxonomy, Methanosaeta is a genus of microbes within Methanosaetaceae. Like other species in this family, those of Methanosaeta metabolize acetate as their sole source of energy. The genus contains two species, Methanosaeta concilii, which is the type species and Methanosaeta thermophila. For a time, some scientists believed there to be a third species, Methanosaeta soehngenii, but because it has not been described from a pure culture, it is now called Methanothrix soehngenii.
Natrinema is a genus of the Natrialbaceae.
Leifsonia is a Gram-positive genus of bacteria from the family Microbacteriaceae.
Macrococcus is a genus of Gram-positive cocci belonging to the family Staphylococcaceae. The genus was created in 1998.
Agromyces is a genus in the phylum Actinomycetota (Bacteria).
The species of the genus Aquabacterium are motile, rod-shaped, Gram-negative, oxidase-positive, catalase-negative bacteria which were isolated from drinking water biofilms in Berlin. Identified species include Aquabacterium citratiphilum, Aquabacterium parvum, and Aquabacterium commune. Three bacterial strains isolated from biofilms of the Berlin drinking water system were characterized with respect to their morphological and physiological properties and their taxonomic position. Phenotypically, the bacteria investigated were motile, Gram-negative rods, oxidase-positive and catalase-negative, and contained polyalkanoates and polyphosphate as storage polymers. They displayed a microaerophilic growth behaviour and used oxygen and nitrate as electron acceptors, but not nitrite, chlorate, sulfate, or ferric iron. The substrates metabolized included a broad range of organic acids, but no carbohydrates at all. The three species can be distinguished from each other by their substrate use, ability to hydrolyse urea and casein, cellular protein patterns, and growth on nutrient-rich media, as well as their temperature, pH, and NaCl tolerances. Phylogenetic analysis, based on 16S rRNA gene sequence comparison, revealed that the isolates are affiliated to the beta 1-subclass of Proteobacteria. The isolates constitute three new species with internal levels of DNA relatedness ranging from 44.9 to 51.3%. It is proposed that a new genus, Aquabacterium gen. nov., should be created, including Aquabacterium citratiphilum sp. nov., Aquabacterium parvum sp. nov., and Aquabacterium commune sp. nov. The type species of the new genus is Aquabacterium commune.
Hoeflea marina is a Gram-negative, oxidase- and catalase-positive, non-spore-forming, rod-shaped bacteria from the genus of Hoeflea which was isolated from marine environments in Germany. Agrobacterium ferrugineum was reclassified to Hoeflea marina.
Pillotina calotermitidis is a species of spirochete that is symbiotic in wood-eating cockroaches and termites, the type species of its genus.
Hollandina pterotermitidis is a species of spirochete that is symbiotic in wood-eating cockroaches and termites, the type species of its genus.
Clevelandina reticulitermitidis is a species of spirochete that is symbiotic in wood-eating cockroaches and termites, the type species of its genus.
Cryobacterium psychrophilum is the type species of the bacterial genus Cryobacterium. It is an obligately psychrophilic, Gram-positive irregular rod-shaped actinomycete.
Catonella is a Gram-negative, obligately anaerobic, non-spore-forming and non-motile bacterial genus from the family of Lachnospiraceae with one known species. Catonella morbi occur in the gingival crevice of humans.
Terrabacter is a genus of Gram positive, strictly aerobic, non-sporeforming bacteria. The genus name is derived from Latin terra (earth), referring to the type species' original isolation from soil. The genus was first proposed in 1989; however, the type species Terrabacter tumescens was originally described in 1934, and had previously been classified in the genera Corynebacterium, Arthrobacter, and Pimelobacter. Terrabacter species have been isolated from soil, air and stone.
Salegentibacter salegens is a bacterium from the genus of Salegentibacter.
Hallella is a Gram-negative, non-spore-forming, anaerobic and non-motile genus of bacteria from the family of Prevotellaceae with on known species. Hallella is named after the American microbiologist Ivan C. Hall. Hallella seregens has been isolated from a gingival crevice of a patient.
References
- ↑ Bermudes, D; Chase, D; Margulis, L (Jul 1988). "Morphology as a basis for taxonomy of large spirochetes symbiotic in wood-eating cockroaches and termites: Pillotina gen. nov., nom. rev.; Pillotina calotermitidis sp. nov., nom. rev.; Diplocalyx gen. nov., nom. rev.; Diplocalyx calotermitidis sp. nov., nom. rev.; Hollandina gen. nov., nom.[TRUNCATED]". International Journal of Systematic Bacteriology. 38 (3): 291–302. doi: 10.1099/00207713-38-3-291 . PMID 11542253.
- ↑ Margulis, Lynn; Hinkle, Gregory (1992). "Large Symbiotic Spirochetes: Clevelandina, Cristispira, Diplocalyx, Hollandina, and Pillotina". The Prokaryotes. Springer New York. pp. 3965–3978. ISBN 978-1-4757-2193-5.
- ↑ LPSN lpsn.dsmz.de
