| Hafnia psychrotolerans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota, Class Gammaproteobacteria, Order Enterobacterales, Family Hafniaceae, Genus Hafnia, Hafnia
psychrotolerans Gu et al. 2015
psychrotolerans Gu et al. 2015
Gram-negative rods, 0.8-1.2 x 1.8-2.4 μm. Motile by peritrichous flagella.
Colonies on R2A agar, after incubation at 20 ºC for 2-3 days, are white, round,
smooth, convex and opaque. Grows at 0-40 ºC (optimally at 15 ºC) on R2A agar, at pH
4-11 (optimally at pH 7) and with 0-8 % NaCl (optimally with 0% NaCl).
smooth, convex and opaque. Grows at 0-40 ºC (optimally at 15 ºC) on R2A agar, at pH
4-11 (optimally at pH 7) and with 0-8 % NaCl (optimally with 0% NaCl).
Isolated from water of Lake Dajiaco, Tibetan Plateau, China.
Undetermined.
- Gu Z, Liu Y, Shen L, Liu X, Xiao N, Jiao N, Liu H, Zhou Y, Zhang S. Hafnia psychrotolerans sp. nov., isolated from lake water. Int J
Syst Evol Microbiol 2015; 65:971-974.
Positive results for acid and alkaline phosphatase, esculin hydrolysis, beta-galactosidase, leucine arylamidase, nitrate reduction,
N-acetyl-beta-glucosaminidase, Voges-Proskauer reaction, acid production from D-glucose, sucrose and D-mannitol.
Negative results for arginine dihydrolase, citrate utilization, gelatinase, alpha-glucosidase, H2S production, indole production, lysine
decarboxylase, lipase, ornithine decarboxylase, tryptophan deaminase, urease, acid production from amygdalin, L-arabinose,
inositol, melibiose, L-rhamnose, and D-sorbitol.
N-acetyl-beta-glucosaminidase, Voges-Proskauer reaction, acid production from D-glucose, sucrose and D-mannitol.
Negative results for arginine dihydrolase, citrate utilization, gelatinase, alpha-glucosidase, H2S production, indole production, lysine
decarboxylase, lipase, ornithine decarboxylase, tryptophan deaminase, urease, acid production from amygdalin, L-arabinose,
inositol, melibiose, L-rhamnose, and D-sorbitol.
(c) Costin Stoica
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