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Methylobacillus pratensis

Methylobacillus pratensis is a Gram-negative methylotrophic bacteria with was isolated from a meadow grass sampled from the city park in Helsinki. The phylogenetic and genotypic analysis shows that Methylobacillus pratensis is a novel species of ...



The Methylophilaceae are a family of Proteobacteria, given their own order. Like all Proteobacteria, they are Gram-negative. The cells are slightly curved or straight rod-shaped.


Neisseria elongata

Neisseria elongata is a Gram negative bacterium and is different from the other cocci shaped members of the genus Neisseria as it is rod shaped. Unlike other Neisseria it is catalase negative. N. elongata is the most ancestral of the human Neisseria.


Neisseria flava

Neisseria flava is a bacterium belonging to a group of species under the genus Neisseria that is considered non-pathogenic. Along with its other members of the non-pathogenic group, Neisseria flava is often found in the upper respiratory tract su ...


Neisseria lactamica

Neisseria lactamica is a gram-negative diplococcus bacterium. It is strictly a commensal species of the nasopharynx. Uniquely among the Neisseria they are able to produce β-D-galactosidase and ferment lactose. This species is most commonly carrie ...


Neisseria mucosa


Neisseria weaveri

Neisseria weaveri is a gram-negative bacterium associated with dog bite wounds. It is rod-shaped and non-motile with type strain M-5. The genome sequences of two strains LMG 5135T and ATCC 51223T were determined and deposited into GenBank accessi ...



The Nitrosomonadales are an order of the class Betaproteobacteria in the phylum Proteobacteria ". Like all members of their class, they are Gram-negative. The order is divided into six families: Nitrosomonadaceae type family comprises the genera ...



The Oxalobacteraceae are a family of bacteria, included in the order Burkholderiales. Like all Proteobacteria, Oxalobacteraceae are Gram-negative. The family includes strict aerobes, strict anaerobes, and nitrogen-fixing members. The cells are cu ...


Pandoraea apista

Pandoraea apista is a Gram-negative, catalase-positive, aerobic, non-spore-forming, motile bacterium with a single polar flagellum, of the genus Pandoraea. The Strain CCUG 38412 was isolated from the sputum of a cystic fibrosis patient in Denmark ...


Pandoraea faecigallinarum


Pandoraea oxalativorans


Pandoraea pnomenusa


Pandoraea pulmonicola

Pandoraea pulmonicola is a Gram-negative, non-spore-forming, motile bacterium with a single polar flagellum, of the genus Pandoraea. P. pulmonicola is a virulent species and can be dangerous for patients who suffer from cystic fibrosis.


Pandoraea sputorum

Pandoraea sputorum is a Gram-negative, nonfermenting bacterium of the genus Pandoraea, isolated from the sputum of a patient who suffered on cystic fibrosis. P. sputorum can deteriorate the lung function if it is not treated.


Pandoraea thiooxydans

Pandoraea thiooxydans is a Gram-negative, oxidase-positive, catalase-negative, aerobic, thiosulfate-oxidizing, rod-shaped, motile bacterium with a single polar flagellum, of the genus Pandoraea, isolated from rhizosphere soils of sesame in Junghw ...


Pandoraea vervacti


Paraburkholderia phymatum

Paraburkholderia phymatum is a species of proteobacteria that is capable of symbiotic nitrogen fixation with the legumes Machaerium lunatum and Mimosa pudica. Recently, the genome was sequenced. It consists of two chromosomes, a megaplasmid, and ...


Pelomonas saccharophila

Pelomonas saccharophila is a Gram-negative soil bacterium. It was originally named Pseudomonas saccharophila in 1940, but was reclassified in 2005 to the newly created genus, Pelomonas. The original strain was isolated from mud.


Petrobacter succinatimandens

Petrobacter succinatimandens is a species of bacteria. It was identified in an Australian oil well. As of 2013 it is the only known species of its genus.


Propionivibrio dicarboxylicus

Propionivibrio dicarboxylicus is a gram negative, strictly anaerobic, non-spore-forming bacterium from the genus of Propionivibrio which was isolated from anaerobic mud from the Lake Kasumigaura in Japan.


Propionivibrio limicola

Propionivibrio limicola is a gram negative, oxidase- and catalase-negative anaerobic, fermentative, non-spore-forming, mesophilic, rod-shaped, motile bacterium from the genus of Propionivibrio which has the ability to degrade hydroaromatic compounds.


Propionivibrio pelophilus

Propionivibrio pelophilus is a bacterium from the genus of Propionivibrio. Propionibacter pelophilus has been reclassified to Propionivibrio pelophilus.





The Ralstoniaceae are a family of Gram-negative bacteria included in the order Burkholderiales. It consists of three genera, Ralstonia, Cupliabacter, and Xerrxobacterium.



The Rhodocyclaceae are a family of gram-negative bacteria. They are given their own order in the beta subgroup of Proteobacteria, and include many genera previously assigned to the family Pseudomonadaceae. The family was revised in 2017 with the ...



The Rhodocyclales are an order of the class Betaproteobacteria in the phylum Proteobacteria ". Following a major reclassification of the class in 2017, the previously monofamilial order was split into three families: Azonexaceae contains the gene ...



Spirillaceae is a family in the order Nitrosomonadales in the class Betaproteobacteria of the bacteria. Only one genus - Spirillum has been described in this family.



The Sutterellaceae are a family of the Betaproteobacteria. Cells of Sutterellaceae are Gram-negative, oxidase- and catalase-negative, and grow under microaerophilic or anaerobic atmospheres.


Taylorella equigenitalis

Taylorella equigenitalis is a Gram-negative bacterium of the genus Taylorella, and the causative agent of contagious equine metritis in horses. Infected stallions are asymptomatic and act as the principal source of infection as they mate with num ...


Thiobacillus denitrificans


Zoogloea ramigera

Zoogloea ramigera is a gram-negative, aerobic bacterium from the genus of Zoogloea which occurs in organically enriched aqueous environments like activated sludges.


Anaeromyxobacter dehalogenans

Anaeromyxobacter dehalogenans is a species of bacteria. It is an aryl-halorespiring facultative anaerobic myxobacterium. Its cells are slender, gram-negative rods with a bright red pigmentation that exhibit gliding motility and form spore-like st ...



The Bdellovibrionaceae are a family of Proteobacteria. They include genera, such as Bdellovibrio and Vampirovibrio, which are unusual parasites that enter other bacteria.







The Desulfobacteraceae are a family of Proteobacteria. They are reducing sulfates to sulfides to obtain energy and are strictly anaerobic. They have a respiratory and fermentative type of metabolism. Some species are chemolithotrophic and use ino ...



The Desulfobacterales are an order of sulfate-reducing bacteria, included among the Deltaproteobacteria. There are three families. They are sulfate-reducing bacteria, reducing sulfates to sulfides to obtain energy. They are strict anaerobes.



The Desulfobulbaceae are a family of Proteobacteria. They reduce sulphates to sulphides to obtain energy and are anaerobic. The discovery of filamentous Desulfobulbaceae in 2012 elucidates the cause of the small electric currents measured in the ...


Desulfovibrio brasiliensis

Desulfovibrio brasiliensis is a moderately halophilic bacteria first isolated from Brazil, hence its name. It is sulfate-reducing, 0.3–0.45micrometres wide and 1.0–3.5 micrometres long, Gram-negative and motile.


Desulfovibrio vulgaris

Desulfovibrio vulgaris is a species of Gram-negative sulfate-reducing bacteria in the Desulfovibrionaceae family. Desulfovibrio vulgaris is often used as a model organism for sulfur-reducing bacteria and was the first of such bacteria to have its ...



Desulfovibrionales are a taxonomic order of bacteria belonging to the Phylum of Proteobacteria, with four families. Like all Proteobacteria, they are Gram-negative. The majority are sulfate-reducing, with the exception of Lawsonia and Bilophila. ...



The Desulfuromonadales are an order within the Proteobacteria. Various members of the Desulfomonadales are capable of anaerobic respiration utilizing a variety of compounds as electron acceptors, including sulfur, Mn, Fe, nitrate, Co, Tc, U and t ...


Desulfuromusa ferrireducens

Desulfuromusa ferrireducens is a species of psychrophilic, Fe-reducing bacteria. It is Gram-negative, rod-shaped and motile. Its type strain is 102T.


Lawsonia intracellularis

Lawsonia intracellularis is a species of bacterium. It is obligately intracellular and was isolated from intestines of pigs with proliferative enteropathy disease.



Myxococcaceae is a family of gram-negative, rod-shaped bacteria. It belongs to the suborder Crystobacterineae in order Myxococales and comprise three genera validly described as Myxococcus, Corallococcus, and Pyxidicoccus. The family Myxococcacea ...



Myxococcus is a genus in the family Myxococcaceae. Myxococci are Gram-negative, spore-forming, chemoorganotrophic, obligate aerobes. They are elongated rods with rounded or tapered ends, and they are nonflagellated.





The Syntrophobacterales are an order of Proteobacteria, with two families. All genera are strictly anaerobic. Many of the family Syntrophobacteraceae are sulfate-reducing. Some species are motile by using one polar flagellum.


Acinetobacter calcoaceticus

Acinetobacter calcoaceticus is a bacterial species of the genus Acinetobacter. It is a nonmotile, gram negative coccobacillus. It grows under aerobic conditions, is catalase positive and oxidase negative. A. calcoaceticus is a part of the A. calc ...

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