| Lactococcus hircilactis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Lactococcus, Lactococcus
hircilactis Meucci et al. 2015.
Species description is based on a single isolate.
hircilactis Meucci et al. 2015.
Species description is based on a single isolate.
Gram-positive coccoid cells, 0.77 μm in diameter, occuring as single cells, pairs or
chains. Non-motie. Endospores are not formed.
chains. Non-motie. Endospores are not formed.
Grows well anaerobically on M17 agar at 30 ºC. Grows at 10 ºC, but not at 44 ºC.
Alpha-haemolysis on blood sheep agar is produced. Grows in 3% NaCl (not in 4%
NaCl) and at pH 5.0 (weakly at pH 4). Facultatively anaerobic.
Alpha-haemolysis on blood sheep agar is produced. Grows in 3% NaCl (not in 4%
NaCl) and at pH 5.0 (weakly at pH 4). Facultatively anaerobic.
Isolated from goat milk collected from a goat herd in Valtellina, Italy.
Resistant to ampicillin and clindamycin. Susceptible to vancomycin, gentamicin, kanamycin, streptomycin, erythromycin, tetracycline
and chloramphenicol.
Resistant to ampicillin and clindamycin. Susceptible to vancomycin, gentamicin, kanamycin, streptomycin, erythromycin, tetracycline
and chloramphenicol.
Undetermined.
- Meucci A, Zago M, Rossetti L, Fornasari ME, Bonvini B, Tidona F, Povolo M, Contarini G, Carminati D, Giraffa G. Lactococcus
hircilactis sp. nov. and Lactococcus laudensis sp. nov., isolated from milk. Int J Syst Evol Microbiol 2015; 65:2091-2096.
Slow milk acidification. Ammonia is produced from arginine.
Positive results for acid phosphatase, aesculin hydrolysis, leucine aminopeptidase, acid production from: amygdalin, galactose,
lactose, mannitol, melibiose, raffinose, sucrose, beta-gentiobiose and starch.
Can oxidize: D- and L-arabinose, N-acetyl-D-glucosamine, D-xylose, D-mannitol, D-ribose, D-fructose, alpha-D-glucose, L-lyxose,
arbutin, 2-deoxy-D-ribose, D-glucosamine and dihydroxyacetone.
Negative results for catalase, beta-glucuronidase, oxidase, acid production from: turanose, ribose or D-xylose.
Positive results for acid phosphatase, aesculin hydrolysis, leucine aminopeptidase, acid production from: amygdalin, galactose,
lactose, mannitol, melibiose, raffinose, sucrose, beta-gentiobiose and starch.
Can oxidize: D- and L-arabinose, N-acetyl-D-glucosamine, D-xylose, D-mannitol, D-ribose, D-fructose, alpha-D-glucose, L-lyxose,
arbutin, 2-deoxy-D-ribose, D-glucosamine and dihydroxyacetone.
Negative results for catalase, beta-glucuronidase, oxidase, acid production from: turanose, ribose or D-xylose.
(c) Costin Stoica
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