| Aerococcus christensenii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Aerococcus, Aerococcus christensenii Collins
et al. 1999.
et al. 1999.
Gram-positive cocci, non-motile, grouped in pairs, tetrads or small groups.
Alpha-hemolytic colonies on sheep blood agar. Non-pigmented. Grows in 6.5%
NaCl. Grows at 37 and 30 ºC. Facultatively anaerobic, but prefers anaerobic
conditions. Grows in MRS broth / agar. Bile-aesculin-negative.
NaCl. Grows at 37 and 30 ºC. Facultatively anaerobic, but prefers anaerobic
conditions. Grows in MRS broth / agar. Bile-aesculin-negative.
Isolated from human vagina.
Undetermined.
- 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, Mar Rodriguez Jovita, Roger A. Hutson, Maria Ohlén, Enevold Falsen: Aerococcus christensenii sp. nov., from
the human vagina. Int. J. Syst. Bacteriol, 1999, 49, 1125-1128. - 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 and API Strep tests results.
Positive results for acid phosphatase, esterase C4 and C8, hippurate hydrolysis,
leucine aminopeptidase, naphthol-ASBI-phosphohydrolase, alanine-phenylalanine-
proline arylamidase, glycine-tryptophan arylamidase, Voges-Proskauer reaction, acid
production (without gas) (after 7 days incubation at 30 ºC) from: D-glucose, D-fructose
& L-sorbose.
Negative results for alkaline phosphatase, arginine hydrolysis, aesculin hydrolysis, catalase, oxidase, C14 lipase, cystine
aminopeptidase, trypsin, chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase,
N-acetyl-beta-glucosaminidase, alpha-mannosidase, alpha-fucosidase, pyrrolidonyl arylamidase, pyroglutamic acid arylamidase,
beta-mannosidase, urease, valine aminopeptidase, acid production from: D-adonitol, aesculin ferric citrate, amygdalin, D- and
L-arabinose, D- and L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-and L-fucose, D-galactose, gentiobiose, gluconate, glycerol,
glycogen, methyl alpha-D-glucopyranoside, N-acetylglucosamine, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose, maltose,
D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-mannopyranoside, raffinose, L-rhamnose, D-ribose, D-sorbitol,
salicin, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
Positive results for acid phosphatase, esterase C4 and C8, hippurate hydrolysis,
leucine aminopeptidase, naphthol-ASBI-phosphohydrolase, alanine-phenylalanine-
proline arylamidase, glycine-tryptophan arylamidase, Voges-Proskauer reaction, acid
production (without gas) (after 7 days incubation at 30 ºC) from: D-glucose, D-fructose
& L-sorbose.
Negative results for alkaline phosphatase, arginine hydrolysis, aesculin hydrolysis, catalase, oxidase, C14 lipase, cystine
aminopeptidase, trypsin, chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase,
N-acetyl-beta-glucosaminidase, alpha-mannosidase, alpha-fucosidase, pyrrolidonyl arylamidase, pyroglutamic acid arylamidase,
beta-mannosidase, urease, valine aminopeptidase, acid production from: D-adonitol, aesculin ferric citrate, amygdalin, D- and
L-arabinose, D- and L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-and L-fucose, D-galactose, gentiobiose, gluconate, glycerol,
glycogen, methyl alpha-D-glucopyranoside, N-acetylglucosamine, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose, maltose,
D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-mannopyranoside, raffinose, L-rhamnose, D-ribose, D-sorbitol,
salicin, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
(c) Costin Stoica
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