| Aerococcus urinae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Aerococcus, Aerococcus urinae Aguirre and
Collins 1992.
Collins 1992.
Gram-positive cocci, non-motile, grouped in pairs, tetrads or small groups.
Non-spore-forming.
Non-spore-forming.
Alpha-hemolytic colonies on 5% horse or sheep blood agar. Non-pigmented. Growth
does not occur at 10 ºC. Most strains may grow at 45 ºC. Growth occurs in 6.5% (w/v)
NaCl. Grow at 37 ºC, and 30 ºC. Grows in MRS broth/agar. Bile-esculin-negative.
does not occur at 10 ºC. Most strains may grow at 45 ºC. Growth occurs in 6.5% (w/v)
NaCl. Grow at 37 ºC, and 30 ºC. Grows in MRS broth/agar. Bile-esculin-negative.
Isolated from human urinary tract specimens. One isolate from a cow's vagina (admin note).
Susceptible to penicillin, ampicillin, cephalosporins, tetracycline, doxycycline, chloramphenicol, furazolidone, erythromycin, clindamycin,
vancomycin, teicoplanin, daptomycin, rifampin, clavulanate, and mupirocin.
Resistant to aminoglycosides, sulfonamides, trimethoprim, nalidixic acid, colistin, aztreonam, sulbactam, and bacitracin.
Susceptible to penicillin, ampicillin, cephalosporins, tetracycline, doxycycline, chloramphenicol, furazolidone, erythromycin, clindamycin,
vancomycin, teicoplanin, daptomycin, rifampin, clavulanate, and mupirocin.
Resistant to aminoglycosides, sulfonamides, trimethoprim, nalidixic acid, colistin, aztreonam, sulbactam, and bacitracin.
May cause mild infections in humans: urinary tract infections, urosepsis, endocarditis, septicemia, and soft tissue infections.
- Maria Aguirre, Matthew D. Collins: Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections:
description of Aerococcus urinae sp. nov. Microbiology, February 1992 138: 401-405. - Christensen, J.J., A.M. Whitney, L.M. Teixeira, A.G. Steigerwalt, R.R. Facklam, B. Korner and D.J. Brenner. 1997. Aerococcus
urinae: intraspecies genetic and phenotypic relatedness. Int. J. Syst. Bacteriol. 47: 28–32. - Masanori Tohno, Maki Kitahara, Shuichi Matsuyama, Koji Kimura, Moriya Ohkuma, Kiyoshi Tajima: Aerococcus vaginalis sp.
nov., isolated from the vaginal mucosa of a beef cow, and emended descriptions of Aerococcus suis, Aerococcus viridans,
Aerococcus urinaeequi, Aerococcus urinaehominis, Aerococcus urinae, Aerococcus christensenii and Aerococcus sanguinicola.
Int J Syst Evol Microbiol, April 2014 64: 1229-1236. - Matthew D. Collins and Enevold Falsen, 2009. Genus I. Aerococcus Williams, Hirch and Cowan 1953, 475AL. In: (Eds.) P.D. Vos,
G. Garrity, D. Jones, N.R. Krieg, W. Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic
Bacteriology, Volume 3: The Firmicutes, Springer, 655-711.
Description is based on API 50 CH, API ZYM, API ID 32 Strep and API Strep results.
Positive results for alkaline phosphatase (negative in the original paper (1)), acetoin production, acid phosphatase, C4 esterase,
hippurate hydrolysis, leucine aminopeptidase, naphthol-AS-BI-phosphohydrolase, beta-glucuronidase, alanine-phenylalanine-proline
arylamidase, glycine-tryptophan arylamidase, acid production (after 7 days incubation at 30 ºC) from: D-arabitol, N-acetylglucosamine,
D-glucose, D-fructose, D-mannitol, D-ribose, D-sorbitol, sucrose & xylitol.
Negative results for arginine dihydrolase, aesculin hydrolysis (Christensen (2) suggested two biotypes depending on their ability to
hydrolyze aesculin), catalase, C8 esterase, H2S production, C14 lipase, nitrate reduction, valine aminopeptidase, cystine
aminopeptidase, trypsin, chymotrypsin, alpha- and beta-galactosidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase,
alpha-mannosidase, alpha-fucosidase, pyrrolidonyl arylamidase, pyroglutamic acid arylamidase, beta-mannosidase, urease, acid
production from: D-adonitol, aesculin ferric citrate, amygdalin, D- and L-arabinose, L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-
and L-fucose, D-galactose, glycerol, glycogen, gentiobiose, gluconate, 2-and 5-ketogluconate, inositol, inulin, methyl alpha-D-
glucopyranoside, lactose, D-lyxose, maltose, D-mannose, melibiose, melezitose,methyl alpha-D-mannopyranoside, raffinose,
L-rhamnose, salicin, L-sorbose, starch, turanose, D-tagatose, trehalose, methyl beta-D-xylopyranoside, D- and L-xylose.
Positive results for alkaline phosphatase (negative in the original paper (1)), acetoin production, acid phosphatase, C4 esterase,
hippurate hydrolysis, leucine aminopeptidase, naphthol-AS-BI-phosphohydrolase, beta-glucuronidase, alanine-phenylalanine-proline
arylamidase, glycine-tryptophan arylamidase, acid production (after 7 days incubation at 30 ºC) from: D-arabitol, N-acetylglucosamine,
D-glucose, D-fructose, D-mannitol, D-ribose, D-sorbitol, sucrose & xylitol.
Negative results for arginine dihydrolase, aesculin hydrolysis (Christensen (2) suggested two biotypes depending on their ability to
hydrolyze aesculin), catalase, C8 esterase, H2S production, C14 lipase, nitrate reduction, valine aminopeptidase, cystine
aminopeptidase, trypsin, chymotrypsin, alpha- and beta-galactosidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase,
alpha-mannosidase, alpha-fucosidase, pyrrolidonyl arylamidase, pyroglutamic acid arylamidase, beta-mannosidase, urease, acid
production from: D-adonitol, aesculin ferric citrate, amygdalin, D- and L-arabinose, L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-
and L-fucose, D-galactose, glycerol, glycogen, gentiobiose, gluconate, 2-and 5-ketogluconate, inositol, inulin, methyl alpha-D-
glucopyranoside, lactose, D-lyxose, maltose, D-mannose, melibiose, melezitose,methyl alpha-D-mannopyranoside, raffinose,
L-rhamnose, salicin, L-sorbose, starch, turanose, D-tagatose, trehalose, methyl beta-D-xylopyranoside, D- and L-xylose.
(c) Costin Stoica
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