Staphylococcus microti
Taxonomy
Morphology
Cultural characteristics
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Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Staphylococcaceae, Genus Staphylococcus, Staphylococcus microti  
Novakova et al. 2010.
Gram-positive cocci, nonmotile, nonsporing, occuring singly, in pairs or clusters.
S-type colonies, nonpigmented, 0.8-1.8 mm in diameter after 5 days on P agar. Delta
and beta hemolysis on Columbia sheep blood agar. Growth temperature 15 to 45 ºC.
Grow in 10% NaCl medium but not in 15% NaCl.
Isolated from common voles (Microtus arvalis) in the Czech Republic. Resistant  to novobiocin.
Unknown. Isolated from viscera of meadow mice (Microtus arvalis ) with brucellosis  (Brucella microti infection). One strain was isolated
from the liver and another strain was isolated from the kidney. The animals were apparently sick, they showed edema of the viscera
and lesions (granulomas, abscesses, adenitis of the inguinal lymph nodes). One of two animals also had orchitis.
  1. Novakova (D.), Pantucek (R.), Hubalek (Z.), Falsen (E.), Busse (H.J.), Schumann (P.) and Sedlacek (I.): Staphylococcus microti sp.
    nov., isolated from the common vole (Microtus arvalis). Int. J. Syst. Evol. Microbiol., 2010, 60, 566-573.
(biochemical characteristics are based on 2 strains data only  -  admin note)

Positive results for catalase, nitrate reduction, DNA-ase, Voges-Proskauer test (weak),
esculin hydrolysis, Tween 80 hydrolysis, alkaline phosphatase, beta-galactosidase,
lecithinase, arginine arylamidase, pyrrolidonyl arylamidase, acid production from:
N-acetylglucosamine, fructose, D-glucose, lactose, mannose (weak), sucrose,
trehalose & D-xylose.

Negative results for arginine dihydrolase, urease, gelatinase, caseinase,  oxidase,  coagulase-rabbit plasma, clumping factor,
alpha-fucosidase, alpha-galactosidase, beta-glucuronidase,  alpha-glucosidase, beta-glucosidase, acid production from:
arabinose, cellobiose, maltose, mannitol, melibiose, raffinose, ribose, turanose & xylitol.
(c) Costin Stoica
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