Auricoccus indicus
(c) Costin Stoica
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Staphylococcaceae, Genus Auricoccus, Auricoccus indicus Prakash et al.
2017, type species of the genus.

Species description is based on a single isolated strain.
Gram-positive cocci. Non-spore-forming. Non-motile.
Colonies on Zobell Marine Agar after 72 h of incubation at 37 ºC are smooth, round,
convex, cream-coloured 0.5 mm in diameter. Grows aerobically on TSA, LA, NA and
R2A agar. No growth on MacConkey agar. Strictly aerobic. Grows at temperature
20-40 °C (optimum at 35 ºC), at 1-20% NaCl concentrations (optimum at 2% NaCl)
and pH 5-10 (optimum at pH 7.0).
Isolated from human skin of the ear lobe of a healthy subject. Sensitive to amikacin, co-trimoxazole, netilmycin, norfloxacin,
ceftriaxone, ciprofloxacin, cefotaxime, gentamicin, furazolidone and amoxicillin. Resistant to colistin and augmentin.
Undetermined.
  1. Prakash, O., Muduli, S., Kumar, R., Kumari, C., Nimonkar, Y., Shouche, Y. S. And Sharma, R. 2017. Description of Auricoccus
    indicus gen. nov., sp. nov., isolated from skin of human ear. Int. J. Syst. Evol. Microbiol., 67, 1212-1218.
Positive results for acid and alkaline phosphatase, catalase, esterase (C4), esterase lipase (C8), nitrate reduction, naphthol-AS-BI-
phosphohydrolase and oxidase, weak acid production from sucrose and dextrose.

Negative results for amylase, chitinase, Simmons citrate, DN-ase, esculin hydrolysis, alpha-fucosidase, gelatin hydrolysis, indole
production, gelatinase, 4-nitrophenyl-beta-D-galactopyranoside, cystine arylamidase, alpha- and beta-galactosidase, beta-
glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha-mannosidase, methyl red test, protease, trypsin,
alpha-chymotrypsin, urease and Voges–Proskauer test.
No utilization of L-arabinose, D-mannose, D-mannitol, N-acetylglucosamine, D-maltose, potassium gluconate, capric acid, adipic acid,
malic acid, trisodium citrate and phenylacetic acid.
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