Related Research Articles
Deinococcus is in the monotypic family Deinococcaceae, and one genus of three in the order Deinococcales of the bacterial phylum Deinococcota highly resistant to environmental hazards. These bacteria have thick cell walls that give them Gram-positive stains, but they include a second membrane and so are closer in structure to Gram-negative bacteria. Deinococcus survive when their DNA is exposed to high doses of gamma and UV radiation. Whereas other bacteria change their structure in the presence of radiation, such as by forming endospores, Deinococcus tolerate it without changing their cellular form and do not retreat into a hardened structure. They are also characterized by the presence of the carotenoid pigment deinoxanthin that give them their pink color. They are usually isolated according to these two criteria. In August 2020, scientists reported that bacteria from Earth, particularly Deinococcus bacteria, were found to survive for three years in outer space, based on studies conducted on the International Space Station. These findings support the notion of panspermia, the hypothesis that life exists throughout the Universe, distributed in various ways, including space dust, meteoroids, asteroids, comets, planetoids or contaminated spacecraft.
Thermoanaerobacter is a genus in the phylum Bacillota (Bacteria). Members of this genus are thermophilic and anaerobic, several of them were previously described as Clostridium species and members of the now obsolete genera Acetogenium and Thermobacteroides
Actibacter is a genus in the phylum Bacteroidota (Bacteria). The genus contains a single species, namely A. sediminis.
Actinospica is a genus in the phylum Actinomycetota (Bacteria).
Adhaeribacter is a genus in the phylum Bacteroidota (Bacteria).
Aestuariibacter is a genus in the class Gammaproteobacteria (Bacteria), composed of four species, namely A. aggregatus, A. halophilus, A. litoralis and the type species A. salexigens. These are strictly aerobic marine rod-shaped bacteria. They share many traits with the sister genus Alteromonas, the type genus of the family (Alteromonadaceae) and order (Alteromonadales).
Deferribacter is a genus in the phylum Deferribacterota (Bacteria).
Dehalogenimonas is a genus in the phylum Chloroflexota (Bacteria). Members of the genus Dehalogenimonas can be referred to as dehalogenimonads.
Dendrosporobacter is a genus in the phylum Bacillota (Bacteria). Members of the class Negativicutes, stain gram negative, despite being firmicutes
Akkermansia is a genus in the phylum Verrucomicrobiota (Bacteria). The genus was first proposed by Derrien et al. (2004), with the type species Akkermansia muciniphila.
Algibacter is a genus in the phylum Bacteroidota (Bacteria).
Alkalimonas is a genus in the phylum Pseudomonadota (Bacteria).
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Croceitalea is a genus in the phylum Bacteroidota (Bacteria).
Croceibacter is a genus in the phylum Bacteroidota (Bacteria).
Aestuariimicrobium is a singleton genus in the phylum Actinomycetota (Bacteria), whose first member, namely Aestuariimicrobium kwangyangense, was isolated from a diesel contaminated coastal site. Like all Actinobacteria, it is gram-positive and with a high CG content (69%). It is rod/coccoid shaped bacterium whose main quinone is menaquinone-7 (MK7).
Meiothermus timidus is a species of yellow-pigmented Deinococcota bacteria. It was first isolated from the hot spring at São Pedro do Sul, in central Portugal, and at the island of Sao Miguel in the Azores. Its type strain is SPS-243T. The species was differentiated with the 16S rRNA gene sequence and biochemical characteristics.
Mangrovibacter is a genus in the order Enterobacterales. Members of the genus are Gram-stain-negative, facultatively anaerobic, nitrogen-fixing, and rod shaped. The name Mangrovibacter derives from:
Neo-Latin noun mangrovum, mangrove; Neo-Latin masculine gender noun, a rod; bacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; Neo-Latin masculine gender noun Mangrovibacter, mangrove rod.
Mucispirillum is a genus in the phylum Deferribacterota (Bacteria). It is represented by the single species Mucispirillum schaedleri|. It has been found in the intestinal tract of some rodents and considered a commensal with some association to disease. This species has been found in cockroaches mice, turkeys, dogs, pigs, goats, termites, and sometimes humans. It is anaerobic and does not form spores. It is motile, flagellated and thought to have the ability to move through mucus.
Mariniflexile is a genus in the phylum Bacteroidota (Bacteria). The various species have been recovered from sea water, sea urchins, springs, brackish water, and an oyster.
References
- ↑ Ekman, J. V.; Raulio, M. .; Busse, H. -J.; Fewer, D. P.; Salkinoja-Salonen, M. . (2010). "Deinobacterium chartae gen. Nov., sp. Nov., an extremely radiation-resistant, biofilm-forming bacterium isolated from a Finnish paper mill". International Journal of Systematic and Evolutionary Microbiology. 61 (3): 540–548. doi: 10.1099/ijs.0.017970-0 . PMID 20382794.
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