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Alcaligenes is a genus of Gram-negative, aerobic, rod-shaped bacteria. The species are motile with amphitrichous flagella and rarely nonmotile. It is a genus of non-fermenting bacteria. Additionally, some strains of Alcaligenes are capable of anaerobic respiration, but they must be in the presence of nitrate or nitrite; otherwise, their metabolism is respiratory and never fermentative. Strains of Alcaligenes are found mostly in the intestinal tracts of vertebrates, decaying materials, dairy products, water, and soil; they can be isolated from human respiratory and gastrointestinal tracts and wounds in hospitalized patients with compromised immune systems. They are occasionally the cause of opportunistic infections, including nosocomial sepsis.
Campylobacterota are a phylum of bacteria. All species of this phylum are Gram-negative.
The Veillonellaceae are a family of the Clostridia, formerly known as Acidaminococcaceae. Bacteria in this family are grouped together mainly based on genetic studies, which place them among the Bacillota. Supporting this placement, several species are capable of forming endospores. However, they differ from most other Bacillota in having Gram-negative stains. The cell wall composition is peculiar.
Aerococcus is a genus in the phylum Bacillota (Bacteria). The genus was first identified in 1953 from samples of air and dust as a catalase-negative, gram-positive coccus that grew in small clusters. They were subsequently found in hospital environments and meat-curing brines. It has been difficult to identify as it resembles alpha-hemolytic Streptococcus on blood agar plates and is difficult to identify by biochemical means. Sequencing of 16S rRNA has become the gold standard for identification, but other techniques such as MALDI-TOF have also been useful for identifying both the genus and species.
Nisaea is a genus in the phylum Pseudomonadota (Bacteria), which contains two species, namely N. denitrificans and N. nitritireducens, which were described in 2008.
The Selenomonadales are an order of bacteria within the class Negativicutes; unlike most other members of Bacillota, they are Gram-negative. The phylogeny of this order was initially determined by 16S rRNA comparisons. More recently, molecular markers in the form of conserved signature indels (CSIs) have been found specific for all Selenomonadales species. On the basis of these markers, the Selenomonadales are inclusive of two distinct families, and are no longer the sole order within the Negativicutes. Several CSIs have also been found specific for both families, Sporomusaceae and Selenomonadceae. Samples of bacterial strains within this order have been isolated from the root canals of healthy human teeth.
Naxibacter varians is a Gram negative, nonmotile rod-shaped, non-spore-forming, and oxidase positive bacterium from the Oxalobacteraceae family, which was isolated from clinical specimens and water samples.
Comamonas denitrificans is a Gram-negative, oxidase- and catalase-positive, motile bacterium with a polar flagellum from the genus Comamonas and family Comamonadaceae, which was isolated from an activated sludge. Its colonies are yellow-white colored. Unlike other species of Comamonas, C. denitrificans can reduce nitrate to nitrogen gas.
Cupriavidus gilardii is a Gram-negative, aerobic, motile, oxidase-positive bacterium from the genus Cupriavidus and the family Burkholderiaceae. It is motil by a single polar flagellum. It is named after G. L. Gilardi, an American microbiologist. The organism was initially identified as Ralstonia gilardii in 1999, renamed Wautersiella gilardii, and most recently moved into the genus Cupriavidus after 16S rRNA gene sequencing revealed it to be most closely related to Cupriavidus necator. Notably, species of this genus are not inhibited by copper due to the production of chelation factors, and may actually be stimulated by the presence of copper.
Achromobacter denitrificans is a Gram-negative, oxidase- and catalase-positive, strictly aerobic, ubiquitous, motile bacterium from the genus Achromobacter which was isolated from soil and can cause human infections. Formerly known as Achromobacter agile.
Achromobacter insolitus is a Gram-negative, oxidase- and catalase-positive bacterium from the genus Achromobacter which was isolated from various human clinical samples.
Achromobacter spanius is a Gram-negative, oxidase- and catalase-positive, rod-shaped bacterium from the genus Achromobacter isolated from various human clinical samples.
Alcaligenes denitrificans is a Gram-negative, oxidase- and catalase-positive, strictly aerobic, motile bacterium with peritrichous flagella, from the genus Alcaligenes. Based on 16S rDNA sequence analysis and the low degree of DNA relatedness between other members of Achromobacter species, Yabuuchi et al propose that Alcaligenes denitrificans should be classified as a subspecies of Achromobacter xylosoxidans.
Bordetella trematum is a species of Gram-negative bacteria identified in 1996 by comparison of 10 strains of B. trematum against other well characterized Bordetella and Alcaligenes species. The term trema refers to something pierced or penetrated, or to a gap. "Trematum" pertains to open things, and refers to the presence of bacteria in wounds and other exposed parts of the body. Strain LMG 13506T is the reference strain for this species.
Kerstersia similis is a gram-negative bacterium of the genus of Kerstersia which was isolated from human clinical samples.
Dechloromonas denitrificans is a gram negative, N2O-producing motile bacterium with a polar flagellum from the genus of Dechloromonas which was isolated from the earthworm Aporrectodea caliginosa. Colonies of Dechloromonas denitrificans are yellowish colored.
Flavobacterium denitrificans is a species of N2O-producing facultative aerobic bacteria first isolated from the gut of the earthworm Aporrectodea caliginosa. It is a Gram-negative, motile rod with type strain ED5T (=DSM 15936T =ATCC BAA-842T).
Bowmanella denitrificans is a Gram-negative, heterotrophic and denitrifying bacterium from the genus of Bowmanella which has been isolated from shallow coastal water from the An-Ping Harbour in Tainan in Taiwan.
Steroidobacter denitrificans is a Gram-negative and motile bacterium from the genus of Steroidobacter which has been isolated from anoxic sewage sludge from Soers in Germany. Steroidobacter denitrificans has the ability to degrade steroid hormones.
Defluviimonas denitrificans is a Gram-negative, chemoheterotrophic and moderately halophilic bacterium from the genus of Defluviimonas which has been isolated from a biofilter of a marine aquaculture system in Rehovot in Israel.
References
- ↑ "LPSN LPSN" . Retrieved 2013-08-04.
- ↑ "Straininfo of Kerstersia gyiorum". Archived from the original on 2016-03-04. Retrieved 2013-08-04.
- ↑ Coenye, T; Vancanneyt, M; Cnockaert, MC; Falsen, E; Swings, J; Vandamme, P (2003). "Kerstersia gyiorum gen. nov., sp. nov., a novel Alcaligenes faecalis-like organism isolated from human clinical samples, and reclassification of Alcaligenes denitrificans Rüger and Tan 1983 as Achromobacter denitrificans comb. nov". Int J Syst Evol Microbiol. 53: 1825–31. doi: 10.1099/ijs.0.02609-0 . PMID 14657111.
- ↑ International Journal of Systematic and Evolutionary Microbiology [ permanent dead link ]
- ↑ Taxonomy Browser
