| Kocuria aegyptia |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Kocuria, Kocuria aegyptia Li et al.
2006.
Species description is based on a single isolate.
2006.
Species description is based on a single isolate.
Gram-positive cocci, occuring in pairs, tetrads and clusters. Endospores are not
formed. Nonmotile. Nonencapsulated.
formed. Nonmotile. Nonencapsulated.
Colonies are pink (not diffusible pigments), circular, opaque and 2 mm in diameter.
Grow in ISP 2 medium containing 1-5% NaCl (optimum 3% NaCl). No growth in 0%
or 7% NaCl. Temperature range for growth is 20-40 ºC (optimum at 28 ºC). Grows at
pH 5.0-12.0 (optimum 10.0-10.5). Aerobic.
Grow in ISP 2 medium containing 1-5% NaCl (optimum 3% NaCl). No growth in 0%
or 7% NaCl. Temperature range for growth is 20-40 ºC (optimum at 28 ºC). Grows at
pH 5.0-12.0 (optimum 10.0-10.5). Aerobic.
Isolated from a saline alkaline desert soil sample collected from Egypt.
Undetermined.
- Hans-Jurgen Busse, 2012. Family I. Micrococcaceae Pribham 1929, 361 AL emend. Stackebrandt, Rainey and Ward-Rainey 1997,
479 in: Bergey’s Manual of Systematic Bacteriology, second edition, Volume Five The Actinobacteria, Part A, Springer, 571-666. - Li W.J., Zhang Y.Q., Schumann P., Chen H.H., Hozzein W.N., Tian X.P., Xu L.H. and Jiang C.L.: Kocuria aegyptia sp. nov., a novel
actinobacterium isolated from a saline, alkaline desert soil in Egypt. Int. J. Syst. Evol. Microbiol., 2006, 56, 733-737.
Positive results for arginine dihydrolase, catalase, alpha- and beta-glucosidase, lysine decarboxylase, lipase, ornithine
decarboxylase, acid production from D-fructose.
Can utilize as sole carbon source D-cellobiose, dextrin, D-fructose, D-glucose, maltose, D-mannose, D-sorbitol and D-trehalose, .
Negative results for gelatin hydrolysis, alpha- and beta-galactosidase, beta-glucuronidase, H2S production, indole production,
oxidase, N-acetyl-glucosaminidase, L-aspartic arylamidase, methyl red test, alpha-maltosidase, melanin production, milk
peptonization and coagulation, nitrate reduction, starch hydrolysis, tyrosinase, Tween 20 and 80 esterase, urease, Voges-Proskauer
test (sometimes weak), acid production from cellobiose, glucose, lactose, maltose, mannose, mannitol, raffinose, ribose, sorbitol
and trehalose.
No utilization of L-arabinose and m-inositol.
decarboxylase, acid production from D-fructose.
Can utilize as sole carbon source D-cellobiose, dextrin, D-fructose, D-glucose, maltose, D-mannose, D-sorbitol and D-trehalose, .
Negative results for gelatin hydrolysis, alpha- and beta-galactosidase, beta-glucuronidase, H2S production, indole production,
oxidase, N-acetyl-glucosaminidase, L-aspartic arylamidase, methyl red test, alpha-maltosidase, melanin production, milk
peptonization and coagulation, nitrate reduction, starch hydrolysis, tyrosinase, Tween 20 and 80 esterase, urease, Voges-Proskauer
test (sometimes weak), acid production from cellobiose, glucose, lactose, maltose, mannose, mannitol, raffinose, ribose, sorbitol
and trehalose.
No utilization of L-arabinose and m-inositol.
(c) Costin Stoica
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