Aeromonas veronii biovar sobria Gram Stain on Microscope Slide

A biovar is a variant

prokaryotic A prokaryote () is a single-celled organism that lacks a nucleus and other membrane-bound organelles. The word ''prokaryote'' comes from the Greek πρό (, 'before') and κάρυον (, 'nut' or 'kernel').Campbell, N. "Biology:Concepts & Connec ...

strain that differs physiologically or biochemically from other strains in a particular species. Morphovars (or

morphotype In biology, polymorphism is the occurrence of two or more clearly different morphs or forms, also referred to as alternative ''phenotypes'', in the population of a species. To be classified as such, morphs must occupy the same habitat at the s ...

s) are those strains that differ morphologically.

Serovar A serotype or serovar is a distinct variation within a species of bacteria or virus or among immune cells of different individuals. These microorganisms, viruses, or cells are classified together based on their surface antigens, allowing the ...

s (or serotypes) are those strains that have

antigen In immunology, an antigen (Ag) is a molecule or molecular structure or any foreign particulate matter or a pollen grain that can bind to a specific antibody or T-cell receptor. The presence of antigens in the body may trigger an immune response. ...

ic properties that differ from other strains. __FORCETOC__

List of biovars

This is a list of biovars and strains of biovars listed at the NCBI Taxonomy database:Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187 * ''Acinetobacter calcoaceticus'' biovar ''anitratus'', a

homotypic synonym The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linn ...

for ''Acinetobacter calcoaceticus'' subsp. ''anitratus'' * ''Actinobacillus anseriformium'' biovar 1 * ''Actinobacillus anseriformium'' biovar 2 * ''Aeromonas veronii'' bv. ''sobria'' * ''Aeromonas veronii'' bv. ''veronii'' * ''Agrobacterium'' biovar 1, a synonym for ''Agrobacterium tumefaciens'' complex * ''Agrobacterium'' biovar 2, a synonym for ''

Agrobacterium rhizogenes ''Rhizobium rhizogenes'' (formerly ''Agrobacterium rhizogenes'') is a Gram-negative soil bacterium that produces hairy root disease in dicotyledonous plants. ''R. rhizogenes'' induces the formation of proliferative multiple-branched adventitiou ...

'' * ''Agrobacterium'' biovar 3, a synonym for ''

Agrobacterium vitis ''Allorhizobium vitis'' is a plant pathogen that infects grapevines. The species is best known for causing a tumor known as crown gall disease. One of the virulent strains, ''A. vitis'' S4, is responsible both for crown gall on grapevines and fo ...

'' * ''Bacillus cereus'' biovar ''anthracis'' ** ''Bacillus cereus'' biovar ''anthracis'' str. CI * ''Bacillus thuringiensis'' biovar ''tenebrionis'', a synonym for ''Bacillus thuringiensis'' serovar ''tenebrionis'' * ''Bacillus cereus'' biovar ''toyoi'', a synonym for '' Bacillus toyonensis'' * ''Bacillus wiedmannii'' bv. ''thuringiensis'' * ''Pasteurella haemolytica'' biovar T, synonym of '' Bibersteinia trehalosi'' * ''Bifidobacterium longum'' bv. ''Suis'', homotypic synonym of ''Bifidobacterium longum'' subsp. ''suis'' * Bisgaard taxon 3 biovar 1 * ''Bradyrhizobium retamae'' bv. ''lupini'' * ''Bradyrhizobium valentinum'' bv. ''lupini'' * ''Brucella melitensis'' biovar ''Abortus'', a synonym for '' Brucella abortus'' * ''Brucella melitensis'' biovar ''Abortus'' 2308, a synonym for ''Brucella abortus'' 2308 * ''Brucella abortus'' bv. 1 ** ''Brucella abortus'' bv. 1 str. 9-941 * ''Brucella abortus'' bv. 2 * ''Brucella abortus'' bv. 3 * ''Brucella abortus'' bv. 4 * ''Brucella melitensis'' biovar ''Canis'', a synonym for ''

Brucella canis ''Brucella canis'' is a Gram-negative bacterium in the family Brucellaceae that causes brucellosis in dogs and other canids. It is a non-motile short-rod or coccus-shaped organism, and is oxidase, catalase, and urease positive. ''B. cani ...

'' * ''Brucella melitensis'' biovar ''Melitensis'' * ''Brucella melitensis'' bv. 1 * ''Brucella melitensis'' bv. 2 * ''Brucella melitensis'' bv. 3 * ''Brucella melitensis'' biovar ''Neotomae'', synonym for ''

Brucella neotomae ''Brucella melitensis'' is a Gram-negative coccobacillus bacterium from the Brucellaceae family. The bacterium causes ovine brucellosis, along with ''Brucella ovis''. It affects primarily sheep and goats, but cases have also been observed i ...

'' * ''Brucella melitensis'' biovar ''Ovis'', synonym for ''

Brucella ovis ''Brucella ovis'' is a Gram-negative coccobacillus from the Brucellaceae family. Along with '' Brucella melitensis'', it is responsible for causing ovine brucellosis, which is a notifiable disease A notifiable disease is any disease that is ...

'' * ''Brucella melitensis'' biovar ''Suis'', synonym for ''

Brucella suis ''Brucella suis'' is a bacterium that causes swine brucellosis, a zoonosis that affects pigs. The disease typically causes chronic inflammatory lesions in the reproductive organs of susceptible animals or orchitis, and may even affect joints ...

Corynebacterium belfantii ''Corynebacterium'' () is a genus of Gram-positive bacteria and most are aerobic. They are bacilli (rod-shaped), and in some phases of life they are, more specifically, club-shaped, which inspired the genus name ('' coryneform'' means "club- ...

'' * ''Corynebacterium diphtheriae'' bv. ''intermedius'' * ''Corynebacterium diphtheriae'' bv. ''mitis'' * ''Corynebacterium ulcerans'' bv. ''belfanti'' * ''Francisella tularensis'' Biovar A str. SCHU S4, synonym for ''Francisella tularensis'' subsp. ''tularensis'' SCHU S4 * ''Fusobacterium necrophorum'' biovar A, synonym for ''Fusobacterium necrophorum'' subsp. ''necrophorum'' * ''Fusobacterium necrophorum'' biovar B, synonym for ''Fusobacterium necrophorum'' subsp. ''funduliforme'' * ''Fusobacterium necrophorum'' biovar C, synonym for ''

Fusobacterium varium ''Fusobacterium'' is a genus of anaerobic, Gram-negative, non-sporeforming bacteria belonging to Gracilicutes. Individual cells are slender, rod-shaped bacilli with pointed ends. Strains of ''Fusobacterium'' cause several human diseases, includi ...

'' * ''Gallibacterium anatis'' biovar ''haemolytica'' * ''Haemophilus influenzae'' biovar IV, synonym for ''

Haemophilus quentini ''Haemophilus'' is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the family Pasteurellaceae. While ''Haemophilus'' bacteria are typically small coccobacilli, they are categorized as pleomorphic bacteria because ...

'' * ''Lactobacillus helveticus'' biovar ''jugurti'', synonym for ''Lactobacillus helveticus'' subsp. ''jugurti'' * ''Lactococcus lactis'' subsp. ''lactis'' bv. ''diacetylactis'' * ''Marinilabilia salmonicolor'' biovar ''Agarovorans'' * ''Mesorhizobium ciceri'' biovar ''biserrulae'' * ''Mesorhizobium ciceri'' biovar ''biserrulae WSM1271'' * ''Protomonas extorquens'' (biovar 2), synonym for ''

Methylorubrum rhodinum ''Methylorubrum rhodinum'' is a Gram-negative soil bacterium Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorgan ...

'' * ''Protomonas extorquens'' (biovar 3), synonym for ''

Methylobacterium radiotolerans Methylobacterium radiotolerans is a radiation-tolerating Gram-negative bacterium.. It has been shown that it can use lanthanide as a cofactor to increase its methanol dehydrogenase activity See also * Methylacidiphilum fumariolicum * Meth ...

'' * ''Mycobacterium fortuitum'' biovar ''peregrinum'', synonym for ''

Mycolicibacterium peregrinum ''Mycolicibacterium'' is a genus of Gram-positive rod-shaped bacteria in the family ''Mycobacteriaceae'' from the order Mycobacteriales. Members of ''Mycolicibacterium'' were demarcated from the larger genus ''Mycobacterium'' in 2018 by Gupt ...

'' * ''Neorhizobium galegae'' bv. ''officinalis'' * ''Neorhizobium galegae'' bv. ''orientalis'' * ''Phyllobacterium sophorae'' bv. ''mediterranense'' * ''Bacteroides (Prevotella) ruminicola'' subsp. ''ruminicola'' biovar 7, synonym for ''

Prevotella albensis ''Prevotella albensis'', previously known as ''Bacteroides ruminicola subsp. ruminicola'', is a species of bacterium. ''Prevotella'' species are part of the human oral and vaginal flora. They play a role in the pathogenesis of periodontal disea ...

'' * ''Bacteroides (Prevotella) ruminicola'' subsp. ''ruminicola'' biovar 3, synonym for '' Prevotella bryantii'' * ''Prochlorococcus marinus'' bv. HNLC1 * ''Prochlorococcus marinus'' bv. HNLC2 * ''Pseudomonas fluorescens'' biovar B * ''Ralstonia pickettii'' biovar 3/'thomasii', synonym for ''

Ralstonia mannitolilytica ''Ralstonia mannitolilytica'' is a Gram-negative soil bacterium. ''Pseudomonas thomasii'' and ''Ralstonia pickettii'' biovar are synonyms.Garrity, George M.; Brenner, Don J.; Krieg, Noel R.; Staley, James T. (eds.) (2005). Bergey's Manual of ...

'' * ''Rhizobium leguminosarum'' bv. ''phaseoli'' * ''Rhizobium leguminosarum'' bv. ''trifolii'' * ''Rhizobium leguminosarum'' bv. ''viciae'' also known as ''Rhizobium leguminosarum'' symbiovar ''viciae'' * ''Rhizobium'' sp. (biovar cowpea), synonym for ''Rhizobium'' sp. IRc78 * ''Pasteurella pneumotropica'' biovar Heyl, synonym for '' Rodentibacter heylii'' * ''Sinorhizobium meliloti'' bv. ''medicaginis'' * ''Streptococcus mitis'' bv. 2 * ''Ureaplasma urealyticum'' biovar 1, synonym for ''

Ureaplasma parvum ''Ureaplasma parvum'' is a species of ''Ureaplasma'', a genus of bacteria belonging to the family Mycoplasmataceae. In Indonesia, ureaplasma parvum is most commonly contracted through contact with public toilets. ''Ureaplasma parvum'' was former ...

'' * ''Ureaplasma urealyticum'' biovar 2, synonym for '' Ureaplasma urealyticum'' * ''Vibrio cholerae'' biovar ''albensis VL426'', synonym for '' Vibrio albensis VL426'' * ''Vibrio cholerae'' biovar ''albensis'', synonym for ''

Vibrio cholerae ''Vibrio cholerae'' is a species of Gram-negative, facultative anaerobe and comma-shaped bacteria. The bacteria naturally live in brackish or saltwater where they attach themselves easily to the chitin-containing shells of crabs, shrimps, and ot ...

References

Microbiology terms Prokaryote taxonomy Taxa by rank Biovars {{Microbiology-stub