| Microvirgula curvata |
Colonies appear cream-coloured on agar medium. Growth temperature range 10-40
ºC, 27-32 ºC optimum. Range of pH 6.1-8.8 (optimum, 6.5-7.5). Can grow in 0-4.5 %
(w/v) NaCl (optimum, 0-0.5%). Grows in medium R2A agar.
ºC, 27-32 ºC optimum. Range of pH 6.1-8.8 (optimum, 6.5-7.5). Can grow in 0-4.5 %
(w/v) NaCl (optimum, 0-0.5%). Grows in medium R2A agar.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Neisseriales, Family Chromobacteriaceae, Genus
Microvirgula, Microvirgula curvata Subhash et al. 2016.
Species decription is based on a single isolate.
Microvirgula, Microvirgula curvata Subhash et al. 2016.
Species decription is based on a single isolate.
Gram-negative, small, curved rods, 0.4-0.6 x 1.2-2.5 µm. Motile.
Isolated from hydrocarbon-contaminated soils collected from Kuwait.
Susceptible to ampicillin, chloramphenicol and nalidixic acid. Resistant to penicillin-G and rifampicin.
Susceptible to ampicillin, chloramphenicol and nalidixic acid. Resistant to penicillin-G and rifampicin.
Undetermined.
- Subhash Y, Park M, Lee S. Microvirgula curvata sp. nov., isolated from hydrocarbon-contaminated soil, and emended description
of the genus Microvirgula. Int J Syst Evol Microbiol 66(12):5309-5313.
Positive results for acid phosphatase, catalase, esterase (C4), esterase lipase (C8), leucine arylamidase, nitrate reduction, naphthol-
AS-BI-phosphohydrolase, oxidase, trypsin, Tween 20 and 80 hydrolysis, acid production from: L-arabinose, D-fructose, D-galactose,
D-glucose, melibiose and sucrose .
Can utilize: D-glucose, D-fructose, melibiose, D-galactose, L-arabinose, D-ribose, D-mannitol, sucrose, aspartate, pyruvate, D-
alanine, L-arginine and L-threonine.
Negative results for alkaline phosphatase, arginine dihydrolase, caseinase, CM-cellulose hydrolysis, cystine arylamidase, alpha-
chymotrypsin, DNase, aesculin hydrolysis, alpha-fucosidase, gelatinase, alpha- and beta-galactosidase, beta-glucuronidase, alpha-
and beta-glucosidase, N-acetyl-beta-glucosaminidase, H2S production, indole production, lipase (C14), alpha-mannosidase, methyl
red test, starch hydrolysis, valine arylamidase, Voges-Proskauer test, urease, acid production from: cellobiose, maltose, L-rhamnose
and L-raffinose.
No utilization of: n-hexadecane, toluene, phenanthrene, pyrene, cellobiose, maltose, trehalose, raffinose, L-rhamnose, D-sorbitol,
glycerol, lactose, ethanol, glutamate, L-asparagine and L-leucine.
AS-BI-phosphohydrolase, oxidase, trypsin, Tween 20 and 80 hydrolysis, acid production from: L-arabinose, D-fructose, D-galactose,
D-glucose, melibiose and sucrose .
Can utilize: D-glucose, D-fructose, melibiose, D-galactose, L-arabinose, D-ribose, D-mannitol, sucrose, aspartate, pyruvate, D-
alanine, L-arginine and L-threonine.
Negative results for alkaline phosphatase, arginine dihydrolase, caseinase, CM-cellulose hydrolysis, cystine arylamidase, alpha-
chymotrypsin, DNase, aesculin hydrolysis, alpha-fucosidase, gelatinase, alpha- and beta-galactosidase, beta-glucuronidase, alpha-
and beta-glucosidase, N-acetyl-beta-glucosaminidase, H2S production, indole production, lipase (C14), alpha-mannosidase, methyl
red test, starch hydrolysis, valine arylamidase, Voges-Proskauer test, urease, acid production from: cellobiose, maltose, L-rhamnose
and L-raffinose.
No utilization of: n-hexadecane, toluene, phenanthrene, pyrene, cellobiose, maltose, trehalose, raffinose, L-rhamnose, D-sorbitol,
glycerol, lactose, ethanol, glutamate, L-asparagine and L-leucine.
(c) Costin Stoica
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