| Citricoccus spp. (C. parietis / C. zhacaiensis) Gram-positive cells |
| Citricoccus spp. (C. parietis / C. zhacaiensis) yellow colonies on Mueller-Hinton agar |
| Citricoccus zhacaiensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Citricoccus, Citricoccus
zhacaiensis Meng et al. 2010.
zhacaiensis Meng et al. 2010.
Gram-positive coccoid cells, 0.5-0.6 µm in diameter. Non-motile. Non-sporeforming.
Colonies are yellow-greenish, smooth, circular, convex, opaque and 1-2 mm in
diameter. The temperature and pH range for growth are 10-37 ºC (optimum 25-35 ºC)
and pH 6.0-9.0 (optimum pH 7.0). Grows in the presence of 0-15% (w/v) NaCl,
optimum at 1% (w/v) below 25 ºC or 5% (w/v) below 37 ºC.
diameter. The temperature and pH range for growth are 10-37 ºC (optimum 25-35 ºC)
and pH 6.0-9.0 (optimum pH 7.0). Grows in the presence of 0-15% (w/v) NaCl,
optimum at 1% (w/v) below 25 ºC or 5% (w/v) below 37 ºC.
Isolated from a bioreactor treating wastewater generated from preserved vegetable
production.
Susceptible to cefotaxime, chloramphenicol, erythromycin, neomycin, novobiocin,
polymyxin B and tetracycline, but not to kanamycin, nalidixic acid, nitrofurantoin,
nystatin, rifampicin or streptomycin.
production.
Susceptible to cefotaxime, chloramphenicol, erythromycin, neomycin, novobiocin,
polymyxin B and tetracycline, but not to kanamycin, nalidixic acid, nitrofurantoin,
nystatin, rifampicin or streptomycin.
Undetermined.
- Meng F.X., Yang X.C., Yu P.S., Pan J.M., Wang C.S., Xu X.W. and Wu M.: Citricoccus zhacaiensis sp. nov., isolated from a bioreactor
for saline wastewater treatment. Int. J. Syst. Evol. Microbiol., 2010, 60, 495-499.
Positive results for acid and alkaline phosphatases, alpha-chymotrypsin, cystine
arylamidase, catalase, esterase (C4), esterase lipase (C8), alpha-glucosidase,
lipase (C14), leucine arylamidase, naphthol-AS-BI-phosphohydrolase, trypsin and
valine arylamidase.
Can utilize as sole carbon sources: acetate, citrate, L-glutamate, gluconate,
L-glutamine, isoleucine, malate, malonate, maltose, propionate, pyruvate, salicin,
L-serine, succinate, sucrose, trehalose and L-valine. Acid production was not
observed.
Negative results for casein hydrolysis, beta-fucosidase, alpha- and
beta-galactosidase, beta-glucosidase, beta-glucuronidase,
N-acetyl-beta-glucosaminidase, H2S production, indole production,
alpha-mannosidase, nitrate reduction, phenylalanine deamination, starch hydrolysis,
tyrosinase, oxidase, Tweens 20 and 80 hydrolysis, urease.
No utilization of adonitol, L-alanine, L-arabinose, L-arginine, L-asparagine,
L-aspartate, cellobiose, L-cysteine, ethanol, formate, D-fructose, fumarate,
D-galactose, glucose, glycerol, glycine, L-histidine, inositol, lactate, lactose, lysine,
mannitol, D-mannose, melibiose, L-methionine, L-proline, raffinose, rhamnose,
ribose, L-sorbitol, sorbose, starch, xylitol or xylose.
arylamidase, catalase, esterase (C4), esterase lipase (C8), alpha-glucosidase,
lipase (C14), leucine arylamidase, naphthol-AS-BI-phosphohydrolase, trypsin and
valine arylamidase.
Can utilize as sole carbon sources: acetate, citrate, L-glutamate, gluconate,
L-glutamine, isoleucine, malate, malonate, maltose, propionate, pyruvate, salicin,
L-serine, succinate, sucrose, trehalose and L-valine. Acid production was not
observed.
Negative results for casein hydrolysis, beta-fucosidase, alpha- and
beta-galactosidase, beta-glucosidase, beta-glucuronidase,
N-acetyl-beta-glucosaminidase, H2S production, indole production,
alpha-mannosidase, nitrate reduction, phenylalanine deamination, starch hydrolysis,
tyrosinase, oxidase, Tweens 20 and 80 hydrolysis, urease.
No utilization of adonitol, L-alanine, L-arabinose, L-arginine, L-asparagine,
L-aspartate, cellobiose, L-cysteine, ethanol, formate, D-fructose, fumarate,
D-galactose, glucose, glycerol, glycine, L-histidine, inositol, lactate, lactose, lysine,
mannitol, D-mannose, melibiose, L-methionine, L-proline, raffinose, rhamnose,
ribose, L-sorbitol, sorbose, starch, xylitol or xylose.
(c) Costin Stoica
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