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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Firmicutes => Bacilli => Lactobacillales => Enterococcaceae => Enterococcus => Enterococcus caccae Carvalho et al. 2006.
Gram positive cocci, grouped in short chains, in pairs or single cells. Non-motile.
Colonies on blood agar, incubated at 37 °C, are non-pigmented, alpha-haemolytic,
small colonies up to 0.5 mm in diameter.
Growth occurs at 45 °C and in broth containing 6.5% NaCl.
small colonies up to 0.5 mm in diameter.
Growth occurs at 45 °C and in broth containing 6.5% NaCl.
Isolated from human stool samples and fermented cereal grains. Susceptible to vancomycin.
Possible lactic acid bacteria.
- Carvalho, Maria da Gloria S., Shewmaker, P. Lynn, Steigerwalt, Arnold G., Morey, Roger E., Sampson, A. J., Joyce, Kevin,
Barrett, Timothy J., Teixeira, Lucia M., Facklam, Richard R. Enterococcus caccae sp. nov., isolated from human stools. Int J
Syst Evol Microbiol 2006 56: 1505-1508 - Pavel Švec and Luc A. Devriese, 2009: Genus I. Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Bälz
1984, 32VP in Bergey’s Manual of Systematic Bacteriology, Second Edition, Volume Three, Vos, P.D.; Garrity, G.; Jones, D.;
Krieg, N.R.; Ludwig, W.; Rainey, F.A.; Schleifer, K.-H.; Whitman, W.B. (Eds.), pp 594-606. - Shewmaker Patricia Lynn; Steigerwalt Arnold G.; Nicholson Ainsley C.; et al. Reevaluation of the Taxonomic Status of Recently
Described Species of Enterococcus: Evidence that E. thailandicus Is a Senior Subjective Synonym of "E. sanguinicola" and
Confirmation of E. caccae as a Species Distinct from E. silesiacus . JOURNAL OF CLINICAL MICROBIOLOGY Volume: 49
Issue: 7 Pages: 2676-2679.
Positive results for beta-glucosidase, glycyl-tryptophan arylamidase, beta-
mannosidase, N-acetyl-beta-glucosaminidase, pyrrolidonyl arylamidase, leucine
aminopeptidase, aesculin hydrolysis in the presence of bile, pyruvate utilization, Voges
–Proskauer test, acid production from: glycerol, methyl alpha-D-glucopyranoside,
maltose, ribose, sucrose, trehalose, methyl beta-D-glucopyranoside & tagatose.
Negative results for hydrolysis of arginine, beta-galactosidase (both substrates), beta-
glucuronidase, alpha-galactosidase, alkaline phosphatase, alanine-phenylalanine-
proline arylamidase, urease, acid production from: arabinose, inulin, lactose, mannitol, melibiose, raffinose, sorbitol, sorbose, D-
arabitol, cyclodextrin, glycogen, melezitose & pullulan.
Variable results for hippurate hydrolysis.
mannosidase, N-acetyl-beta-glucosaminidase, pyrrolidonyl arylamidase, leucine
aminopeptidase, aesculin hydrolysis in the presence of bile, pyruvate utilization, Voges
–Proskauer test, acid production from: glycerol, methyl alpha-D-glucopyranoside,
maltose, ribose, sucrose, trehalose, methyl beta-D-glucopyranoside & tagatose.
Negative results for hydrolysis of arginine, beta-galactosidase (both substrates), beta-
glucuronidase, alpha-galactosidase, alkaline phosphatase, alanine-phenylalanine-
proline arylamidase, urease, acid production from: arabinose, inulin, lactose, mannitol, melibiose, raffinose, sorbitol, sorbose, D-
arabitol, cyclodextrin, glycogen, melezitose & pullulan.
Variable results for hippurate hydrolysis.
(c) Costin Stoica
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