| Species/Subspecies: | Listeria ivanovii subsp. ivanovii | ||||||||
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| Categories: | Causes hemolysis; motile | ||||||||
| Etymology: | Genus name: named after the British surgeon Lord Lister. Species epithet: named after the Bulgarian microbiologist Ivan Ivanov. | ||||||||
| Significance: | [Of minor importance] | ||||||||
| Taxonomy: | Class Bacilli Order Bacillales Family Listeriaceae Genus Listeria |
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| Type Strain: | SLCC 2379 = ATCC 19119 | ||||||||
| Macromorphology (smell): | Small (0.5-1.5 mm in diameter) greyish blue colonies with hemolysis zone on blood agar. | ||||||||
| Micromorphology: | Short (0.4-0.5 x 0.5-2 µm) and motile rods. L. ivanovii exhibits actin-based motility (see references 154 and 155 below). | ||||||||
| Gram +/Gram -: | G+ | ||||||||
| Metabolism: | Facultatively anaerobic. | ||||||||
| Catalase/Oxidase: | +/- | ||||||||
| Other Enzymes: | Esculinase +, hippuricase +, tryptophanase -, urease -. | ||||||||
| Biochemical Tests: | Methyl red +, Voges-Proskauer +. | ||||||||
| Fermentation of carbohydrates: | D-glucose + lactose + maltose ? L-rhamnose - sucrose v L-arabinose v cellobiose ? D-mannitol - salicin ? trehalose + glycerol + inulin ? raffinose ? D-sorbitol - starch - |
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| Spec. Char.: | |||||||||
| Disease: | Abortion and stillbirth. |
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| Hosts: | Sheep and cattle. | ||||||||
| Clinical Picture: | |||||||||
| Genome Sequence: |
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| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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There are 21 species and subspecies described within the genus and particularly Listeria ivanovii, L. innocua and L. monocytogenesare very closely related. | ||||||||
| Reference(s): | No. 154, 155 | ||||||||
| Updated: | 2023-03-08 |