| Species/Subspecies: | Aeromonas hydrophila subsp. hydrophila | ||||||||
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| Categories: | Causes hemolysis; motile | ||||||||
| Etymology: | Genus name: gas producing Species epithet: water loving | ||||||||
| Significance: | [Important] | ||||||||
| Taxonomy: | Class Gammaproteobacteria Order Aeromonadales Family Aeromonadaceae Genus Aeromonas |
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| Type Strain: | ATCC 7966 = CCUG 14551 = NCTC 8049 | ||||||||
| Macromorphology (smell):
| Grey-white translucent colonies (diameter 1-3 mm) with a buttery consistency and hemolysis | ||||||||
| Micromorphology: | Motile rods with rounded ends and, sometimes coccoid, sometimes in pairs or short chains, monotrichous flagella | ||||||||
| Gram +/Gram -: | G- | ||||||||
| Metabolism: | Fakultatively anaerobic | ||||||||
| Catalase/Oxidase: | +/+ | ||||||||
| Other Enzymes: | DNase +, Esculinase +, ornithine decarboxylase -, tryptophanase + | ||||||||
| Biochemical Tests: | Citrate v, Voges-Proskauer + | ||||||||
| Fermentation of carbohydrates: | D-glucose + lactose v maltose + L-rhamnose v sucrose + L-arabinose v cellobiose - D-mannitol + salicin v trehalose + glycerol + inulin ? raffinose - D-sorbitol - starch ? |
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| Spec. Char.: | Grows at 37°C | ||||||||
| Special Media:
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| Disease: | Hemorrhagic septicemia, food poisoning (humans) |
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| Hosts: | Carp, cold-blooded animals, doplhins, humans | ||||||||
| Clinical Picture: | Diarrhea (humans) | ||||||||
| Virulence Factors: | Has enterotoxic, cytotoxic and cytotonic toxins | ||||||||
| Genome Sequence: |
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| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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About 30 species have been described within the genus Aeromonas and they form a cluster, which is related to Pseudomonas spp. and Moraxella spp. and some other genera Three subspecies of A. hydrophila have been reported. | ||||||||
| Reference(s): | No. 46 | ||||||||
| Updated: | 2023-03-29 |
