| Neomicrococcus lactis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Neomicrococcus, Neomicrococcus
lactis Prakash et al. 2015.
Basonym: Micrococcus lactis Chittpurna et al. 2011.
lactis Prakash et al. 2015.
Basonym: Micrococcus lactis Chittpurna et al. 2011.
Gram positive cocci, 1.0 µm in diameter. Non-motile.
Yellow-pigmented colonies are formed on TSA. Growth temperature range is 10-40
ºC (optimum 30 ºC); no growth at 42 ºC. Range of pH for growth is 4.5-9.5, (optimum
pH is 7.5). Growth occurs in 0 and 4% NaCl. No growth on MacConkey agar. Strictly
aerobic.
ºC (optimum 30 ºC); no growth at 42 ºC. Range of pH for growth is 4.5-9.5, (optimum
pH is 7.5). Growth occurs in 0 and 4% NaCl. No growth on MacConkey agar. Strictly
aerobic.
Isolated from dairy industry waste. Sensitive to novobiocin, optochin, polymyxin and bacitracin.
Undetermined.
- Ghittpurna, Singh P.K., Verma D., Pinnaka A.K., Mayilraj S. and Korpole S.: Micrococcus lactis sp. nov., isolated from dairy industry
waste. Int. J. Syst. Evol. Microbiol., 2011, 61, 2832-2836. - Prakash, O., Sharma, A., Nimonkar, Y. and Shouche, Y. S. 2015. Proposal for creation of a new genus Neomicrococcus gen. nov. to
accommodate Zhihengliuella aestuarii Baik et al. 2011 and Micrococcus lactis Chittpurna et al. 2011 as Neomicrococcus aestuarii
comb. nov. and Neomicrococcus lactis comb. nov. Int. J. Syst. Evol. Microbiol., 65, 3771-3776.
Positive results for alkaline phosphatase, catalase, casein hydrolysis, esterase (C4), esterase lipase (C8), alpha-glucosidase,
leucine arylamidase, nitrate reduction, valine arylamidase, cystine arylamidase, trypsin and urease.
Can oxidize (Biolog) acetate, dextrin, alpha -hydroxybutyric acid, glycerol, inosine, lactate, pyruvic acid, pyruvic acid methyl ester, L-
pyroglutamic acid, adenosine, maltose, maltotriose, alpha-ketovaleric acid, D-ribose, sucrose, succinamic acid, succinic acid,
succinic acid monomethyl ester, turanose, Tween 40, Tween 80 and glycerol.
Negative results for arginine dihydrolase, esculin hydrolysis, alpha- and beta-galactosidase, N-acetyl-beta-glucosaminidase, alpha
chymotrypsin, beta-glucosidase, alpha-mannosidase, oxidase, starch hydrolysis, Tweens 20, 40, 60 or 80 hydrolysis and Voges-
Proskauer test, acid production from glucose and sucrose.
No assimilation of N-acetylglucosamine.
Cannot oxidize alpha-cyclodextrin, beta-cyclodextrin, inulin, mannan, N-acetyl-beta-D-mannosamine, L-arabinose, D-arabitol, arbutin,
amygdalin, cellobiose, D-fructose, L-fucose, glycogen, D-galactose, D-galacturonic acid, gentiobiose, D-glucose 6-phosphate, D-
gluconic acid, myo-inositol, alpha-lactose, lactulose, D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-galactoside,
methyl beta-D-galactoside, 3-methylD-glucose, methyl alpha -D-glucoside, methyl beta-D-glucoside, methyl alpha-D-mannoside,
palatinose, D-psicose, salicin, sedoheptulosan, D-sorbitol, stachyose, D-tagatose, xylitol, gamma-hydroxybutyric acid, D-lactic acid
methyl ester, thymidine 5’-monophosphate, lactamide, D-malic acid, L-alaninamide, D-alanine, L-alanine, glycyl L-glutamic acid,
putrescine, adenosine 5’-monophosphate, D-glucose 6-phosphate, uridine 5’-monophosphate, D-fructose 6-phosphate or alpha-D-
glucose 1-phosphate.
Cannot utilize citrate, D-ribose, raffinose, cyclodextrin, D-sorbitol, lactose, D-mannitol, salicin, D-mannose, sucrose, trehalose, N-
acetyl-D-glucosamine, methyl beta-D-glucopyranoside, D-galactose or pullulan.
leucine arylamidase, nitrate reduction, valine arylamidase, cystine arylamidase, trypsin and urease.
Can oxidize (Biolog) acetate, dextrin, alpha -hydroxybutyric acid, glycerol, inosine, lactate, pyruvic acid, pyruvic acid methyl ester, L-
pyroglutamic acid, adenosine, maltose, maltotriose, alpha-ketovaleric acid, D-ribose, sucrose, succinamic acid, succinic acid,
succinic acid monomethyl ester, turanose, Tween 40, Tween 80 and glycerol.
Negative results for arginine dihydrolase, esculin hydrolysis, alpha- and beta-galactosidase, N-acetyl-beta-glucosaminidase, alpha
chymotrypsin, beta-glucosidase, alpha-mannosidase, oxidase, starch hydrolysis, Tweens 20, 40, 60 or 80 hydrolysis and Voges-
Proskauer test, acid production from glucose and sucrose.
No assimilation of N-acetylglucosamine.
Cannot oxidize alpha-cyclodextrin, beta-cyclodextrin, inulin, mannan, N-acetyl-beta-D-mannosamine, L-arabinose, D-arabitol, arbutin,
amygdalin, cellobiose, D-fructose, L-fucose, glycogen, D-galactose, D-galacturonic acid, gentiobiose, D-glucose 6-phosphate, D-
gluconic acid, myo-inositol, alpha-lactose, lactulose, D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-galactoside,
methyl beta-D-galactoside, 3-methylD-glucose, methyl alpha -D-glucoside, methyl beta-D-glucoside, methyl alpha-D-mannoside,
palatinose, D-psicose, salicin, sedoheptulosan, D-sorbitol, stachyose, D-tagatose, xylitol, gamma-hydroxybutyric acid, D-lactic acid
methyl ester, thymidine 5’-monophosphate, lactamide, D-malic acid, L-alaninamide, D-alanine, L-alanine, glycyl L-glutamic acid,
putrescine, adenosine 5’-monophosphate, D-glucose 6-phosphate, uridine 5’-monophosphate, D-fructose 6-phosphate or alpha-D-
glucose 1-phosphate.
Cannot utilize citrate, D-ribose, raffinose, cyclodextrin, D-sorbitol, lactose, D-mannitol, salicin, D-mannose, sucrose, trehalose, N-
acetyl-D-glucosamine, methyl beta-D-glucopyranoside, D-galactose or pullulan.
(c) Costin Stoica
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