Unknown.
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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Firmicutes => Bacilli => Lactobacillales => Streptococcaceae => Streptococcus => Streptococcus lutetiensis Poyart et al. 2002.
One of the strain of this species has been previously characterized as Streptococcus infantarius subsp. coli Schlegel et al. 2000.
Lancefield group D or non-groupable.
One of the strain of this species has been previously characterized as Streptococcus infantarius subsp. coli Schlegel et al. 2000.
Lancefield group D or non-groupable.
Gram-positive cocci, non-sporulated, non-motile, grouped in pairs or short chains
Colonies on blood agar are circular, smooth, entire, non-pigmented, alpha-haemolytic.
Homogeneous growth in BHI and glucose broths after 18 h incubation at 37 °C. Growth
also occurs in MRS broth without gas production. No growth occurs in 6.5% NaCl broth.
Facultatively anaerobic.
Homogeneous growth in BHI and glucose broths after 18 h incubation at 37 °C. Growth
also occurs in MRS broth without gas production. No growth occurs in 6.5% NaCl broth.
Facultatively anaerobic.
Isolated from human specimens - cerebrospinal fluid & stool.
- Poyart C., Queasne G. and Trieu-Cuot P.: Taxonomic dissection of the Streptococcus bovis group by analysis of manganese-
dependent superoxide dismutase gene (sodA) sequences: reclassification of 'Streptococcus infantarius subsp. coli' as
Streptococcus lutetiensis sp. nov. and of Streptococcus bovis biotype II.2 as Streptococcus pasteurianus sp. nov. Int. J. Syst.
Evol. Microbiol., 2002, 52, 1247-1255.
Positive for acetoin production, alanyl phenylalanyl proline arylamidase, leucine
aminopeptidase, alpha-galactosidase, beta-glucosidase, acid production from
maltose,sucrose, methyl beta-D-glucopyranoside, lactose, raffinose & starch.
Negative for catalase, hippurate hydrolysis, urease, arginine dihydrolase, alkaline
phosphatase, beta-galactosidase, pyrollidonyl arylamidase, N-acetyl beta-glucosamidase,
glycyl tryptophan arylamidase, beta-glucuronidase; beta-mannosidase, acid production from: L-arabinose, D-arabitol, cyclodextrin,
ribose, sorbitol, glycogen, D-mannitol, meleizitose, melibiose, pullulan, tagatose & trehalose.
aminopeptidase, alpha-galactosidase, beta-glucosidase, acid production from
maltose,sucrose, methyl beta-D-glucopyranoside, lactose, raffinose & starch.
Negative for catalase, hippurate hydrolysis, urease, arginine dihydrolase, alkaline
phosphatase, beta-galactosidase, pyrollidonyl arylamidase, N-acetyl beta-glucosamidase,
glycyl tryptophan arylamidase, beta-glucuronidase; beta-mannosidase, acid production from: L-arabinose, D-arabitol, cyclodextrin,
ribose, sorbitol, glycogen, D-mannitol, meleizitose, melibiose, pullulan, tagatose & trehalose.
(c) Costin Stoica
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