Aeromonas veronii biovar sobria Gram Stain on Microscope Slide

A biovar is a variant

prokaryotic A prokaryote () is a Unicellular organism, single-celled organism that lacks a cell nucleus, nucleus and other membrane-bound organelles. The word ''prokaryote'' comes from the Greek language, Greek wikt:πρό#Ancient Greek, πρό (, 'before') a ...

strain Strain may refer to: Science and technology * Strain (biology), variants of plants, viruses or bacteria; or an inbred animal used for experimental purposes * Strain (chemistry), a chemical stress of a molecule * Strain (injury), an injury to a mu ...

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 epi ...

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 The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The ...

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 nomenclature, botanical nomenclature, a synonym is a Binomial nomenclature, scientific name that applies to a taxon that (now) goes by a different ...

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 adventitious ...

'' * ''Agrobacterium'' biovar 3, a synonym for '' Agrobacterium vitis'' * ''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'' (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum ''Bacillota'', with 266 named species. The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural ''Bacilli ...

'' * ''Bacillus wiedmannii'' bv. ''thuringiensis'' * ''Pasteurella haemolytica'' biovar T, synonym of ''

Bibersteinia trehalosi ''Bibersteinia'' is a Gram-negative and non-motile, genus of bacteria from the family of Pasteurellaceae The Pasteurellaceae comprise a large family of Gram-negative bacteria. Most members live as commensals on mucosal surfaces of birds and ma ...

'' * ''Bifidobacterium longum'' bv. ''Suis'', homotypic synonym of ''Bifidobacterium longum'' subsp. ''suis'' *

Bisgaard taxon 3 biovar 1 Bisgaard is a Danish surname Heritable family names were generally adopted rather late within Scandinavia. Nobility were the first to take names that would be passed on from one generation to the next. Later, clergy, artisans and merchants in cit ...

* ''Bradyrhizobium retamae'' bv. ''lupini'' * ''Bradyrhizobium valentinum'' bv. ''lupini'' * ''Brucella melitensis'' biovar ''Abortus'', a synonym for ''

Brucella abortus ''Brucella abortus'' is a Gram-negative bacterium in the family Brucellaceae and is one of the causative agents of brucellosis. The rod-shaped pathogen is classified under the domain Bacteria. The prokaryotic ''B. abortus'' is non-spore-forming, ...

'' * ''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. canis'' c ...

'' * ''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'' biovar ''Ovis'', synonym for '' Brucella ovis'' * ''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 and ...

Citrobacter rodentium ''Citrobacter rodentium'' is a Gram-negative species of bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic micr ...

'' * ''Corynebacterium diphtheriae'' bv. ''belfanti'', synonym for '' Corynebacterium belfantii'' * ''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'' * ''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'' * ''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 * Methyl ...

'' * ''Mycobacterium fortuitum'' biovar ''peregrinum'', synonym for '' Mycolicibacterium peregrinum'' * ''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 ''Prevotella bryantii'', previously known as ''Bacteroides ruminicola ruminicola subsp. brevis'' biovar 3, is a species of bacterium. ''Prevotella'' species are part of the human oral and vaginal microbiota. They play a role in the pathogenesis ...

'' * ''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 Sy ...

'' * ''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 urealyticum'' biovar 2, synonym for ''

Ureaplasma urealyticum ''Ureaplasma urealyticum'' is a bacterium belonging to the genus ''Ureaplasma'' and the family Mycoplasmataceae in the order Mycoplasmatales. This family consists of the genera ''Mycoplasma'' and ''Ureaplasma''. Its type strain is T960. There are ...

'' * ''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 oth ...

References

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