Neisseriales
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Neisseriales
The Neisseriaceae are a family of '' Pseudomonadota'', within the '' Neisseriales'' order of ''Betaproteobacteria''. While many organisms in the family are mammalian commensals or part of the normal flora, the genus '' Neisseria'' includes two important human pathogens, specifically those responsible for gonorrhea (caused by'' N. gonorrhoeae'') and many cases of meningitis ("meningococcal meningitis", caused by'' N. meningitidis''). As a group, the ''Neisseriaceae'' are strictly aerobic and Gram-negative, occur mainly in pairs ( diplococci), and typically do not have flagella A flagellum (; : flagella) (Latin for 'whip' or 'scourge') is a hair-like appendage that protrudes from certain plant and animal sperm cells, from fungal spores ( zoospores), and from a wide range of microorganisms to provide motility. Many pr .... References Bacteria of Medical Importancein ''Todar's Online Textbook of Bacteriology''. * * {{Authority control Betaproteobacteria ...
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Betaproteobacteria
''Betaproteobacteria'' are a class of Gram-negative bacteria, and one of the six classes of the phylum '' Pseudomonadota'' (synonym Proteobacteria). Metabolism The ''Betaproteobacteria'' comprise over 75 genera and 400 species. Together, they represent a broad variety of metabolic strategies and occupy diverse environments, ranging from obligate pathogens living within host organisms to oligotrophic groundwater ecosystems. Whilst most members of the ''Betaproteobacteria'' are heterotrophic, deriving both their carbon and electrons from organocarbon sources, some are photoheterotrophic, deriving energy from light and carbon from organocarbon sources. Other genera are autotrophic, deriving their carbon from bicarbonate or carbon dioxide and their electrons from reduced inorganic ions such as nitrite, ammonium, thiosulfate or sulfide — many of these chemolithoautotrophic. ''Betaproteobacteria'' are economically important, with roles in maintaining soil pH and in elementa ...
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Neisseriales
The Neisseriaceae are a family of '' Pseudomonadota'', within the '' Neisseriales'' order of ''Betaproteobacteria''. While many organisms in the family are mammalian commensals or part of the normal flora, the genus '' Neisseria'' includes two important human pathogens, specifically those responsible for gonorrhea (caused by'' N. gonorrhoeae'') and many cases of meningitis ("meningococcal meningitis", caused by'' N. meningitidis''). As a group, the ''Neisseriaceae'' are strictly aerobic and Gram-negative, occur mainly in pairs ( diplococci), and typically do not have flagella A flagellum (; : flagella) (Latin for 'whip' or 'scourge') is a hair-like appendage that protrudes from certain plant and animal sperm cells, from fungal spores ( zoospores), and from a wide range of microorganisms to provide motility. Many pr .... References Bacteria of Medical Importancein ''Todar's Online Textbook of Bacteriology''. * * {{Authority control Betaproteobacteria ...
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Laribacter
''Laribacter'' is a bacterial genus in the family of Neisseriaceae. ''Laribacter hongkongensis'' is the only species in the genus, and it has been isolated from human cases of diarrhea. However, its role in causing diarrhea is unproven, even though it has been hypothesized. References Further reading * * * Neisseriales Monotypic bacteria genera Bacteria genera {{Betaproteobacteria-stub ...
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Aquaphilus
''Aquaphilus'' is a genus of bacteria from the family of Neisseriaceae with one known species ('' Aquaphilus dolomiae''). References Further reading * * Neisseriales Bacteria genera Monotypic bacteria genera {{Betaproteobacteria-stub ...
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Bergeriella
''Bergeriella'' is a genus of bacteria from the family of Neisseriaceae with one known species ('' Bergeriella denitrificans''). ''Bergeriella denitrificans'' has been isolated from the oral mucosa of a rat. References Neisseriales Bacteria genera Monotypic bacteria genera {{Betaproteobacteria-stub ...
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Vogesella Indigofera
Vogesella indigofera is a strictly aerobic, Gram-negative bacterium Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the .... ''V. indigofera'' produces a blue pigment ( indigoidin) and the colonies develop a metallic copper sheen upon extended incubation (greater than 24 hours). This organism is not known to be pathogenic and is commonly found in freshwater. External linksType strain of ''Vogesella indigofera'' at Bac''Dive'' - the Bacterial Diversity Metadatabase Neisseriales {{Betaproteobacteria-stub ...
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Vitreoscilla
''Vitreoscilla'' is a genus of Gram-negative aerobic bacterium. The bacterial haemoglobin ( VHb) was first discovered from ''Vitreoscilla'', and VHb is found to have a wide range of biological and biotechnological applications including promotion of cell growth, protein synthesis, metabolite productivity, respiration, cellular detoxification, fermentation, and biodegradation. Etymology The generic name is derived from the Latin adjective ''vitreus'', which means clear or transparent; and the noun ''oscillum'', meaning a swing. Thus ''Vitreoscilla'' is used to describe the bacterium as the transparent swing or oscillator, the way it exhibits locomotion. Species There are three valid species under the genus, namely *'' Vitreoscilla beggiatoides'' Pringsheim 1949 (type species) *'' Vitreoscilla filiformis'' (ex Pringsheim 1951) Strohl ''et al.'' 1986 *'' Vitreoscilla stercoraria'' Pringsheim 1951 Structure Members of ''Vitreoscilla'' are obligate aerobic bacteria, which are ...
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Eikenella
The Neisseriaceae are a family of ''Pseudomonadota'', within the ''Neisseriales'' order of ''Betaproteobacteria''. While many organisms in the family are mammalian commensals or part of the normal flora, the genus ''Neisseria'' includes two important human pathogens, specifically those responsible for gonorrhea (caused by'' N. gonorrhoeae'') and many cases of meningitis ("meningococcal meningitis", caused by'' N. meningitidis''). As a group, the ''Neisseriaceae'' are strictly aerobic and Gram-negative, occur mainly in pairs (diplococci), and typically do not have flagella A flagellum (; : flagella) (Latin for 'whip' or 'scourge') is a hair-like appendage that protrudes from certain plant and animal sperm cells, from fungal spores ( zoospores), and from a wide range of microorganisms to provide motility. Many pr .... References Bacteria of Medical Importancein ''Todar's Online Textbook of Bacteriology''. * * {{Authority control Betaproteobacteria ...
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Microvirgula
''Microvirgula'' is a Gram-negative Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. Their defining characteristic is that their cell envelope consists ... bacteria genus from the family of Neisseriaceae. Up to now there is only one species of this genus known ( Microvirgula aerodenitrificans). References Further reading * * Neisseriales Monotypic bacteria genera Bacteria genera {{Betaproteobacteria-stub ...
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Neisseria
''Neisseria'' is a large genus of bacteria that colonize the mucous membranes of many animals. Of the 11 species that colonize humans, only two are pathogens: '' N. meningitidis'' and '' N. gonorrhoeae''. ''Neisseria'' species are Gram-negative bacteria included among the Pseudomonadota, a large group of Gram-negative forms. ''Neisseria'' diplococci resemble coffee beans when viewed microscopically. Pathogenesis and classification Pathogens Species of this genus (family Neisseriaceae) of parasitic bacteria grow in pairs and occasionally fours, and thrive best at 98.6 °F (37 °C) in the animal body or serum media. The genus includes: * '' N. gonorrhoeae'' (also called the gonococcus) causes gonorrhea. * '' N. meningitidis'' (also called the meningococcus) is one of the most common causes of bacterial meningitis and the causative agent of meningococcal septicaemia. The immune system's neutrophils are restricted in function due to the ability of ''Neisseria'' to ...
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Neisseria Gonorrhoeae
''Neisseria gonorrhoeae'', also known as ''gonococcus'' (singular) or ''gonococci'' (plural), is a species of Gram-negative diplococci bacteria first isolated by Albert Ludwig Sigesmund Neisser, Albert Neisser in 1879. An obligate human pathogen, it primarily colonizes the mucosal lining of the urogenital tract; however, it is also capable of adhering to the mucosa of the nose, pharynx, rectum, and conjunctiva. It causes the sexually transmitted infection, sexually transmitted genitourinary infection gonorrhea as well as other forms of gonococcal disease including disseminated gonococcemia, septic arthritis, and gonococcal ophthalmia neonatorum. ''N. gonorrhoeae'' is Oxidase test, oxidase positive and a microaerophile that is capable of surviving Phagocyte, phagocytosis and growing inside neutrophils. Microbiological culture, Culturing it requires carbon dioxide supplementation and enriched agar (chocolate agar) with various antibiotics (Thayer–Martin agar, Thayer–Martin). ...
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Chromobacterium
''Chromobacterium'' is a genus of Gram-negative rod-shaped bacteria. Currently, eleven species within the genus are known, two of those are ''Chromobacterium violaceum ''Chromobacterium violaceum'' is a Gram-negative, facultative anaerobic, non-sporing coccobacillus. It is motile with the help of a single flagellum which is located at the pole of the coccobacillus. Usually, there are one or two more lateral ...'' and ''Chromobacterium subtsugae''; the latter was discovered by scientists at the Agricultural Research Service in Beltsville, Maryland. References Neisseriales Bacteria genera {{Betaproteobacteria-stub ...
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