| Lactobacillus (Secundilactobacillus) silagincola |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus
silagincola Tohno, Tanizawa, Irisawa, Masuda, Sakamoto, Arita, Ohkuma and Kobayashi 2017.
Homotypic synonym: Secundilactobacillus silagincola (Tohno et al. 2017) Zheng et al. 2020.
silagincola Tohno, Tanizawa, Irisawa, Masuda, Sakamoto, Arita, Ohkuma and Kobayashi 2017.
Homotypic synonym: Secundilactobacillus silagincola (Tohno et al. 2017) Zheng et al. 2020.
Gram-positive rods, 0.7 x 1.3-3.0 µm. Non-motile. Non-spore-forming.
Colonies are glossy, white, 0.2-1.0 mm in diameter after 3 days of incubation at 30 ºC
on MRS agar . Can grow at 10-37 ºC (optimally at 30 ºC) and pH 4.0-7.5. No growth in
4% NaCl medium. Facultatively anaerobic.
on MRS agar . Can grow at 10-37 ºC (optimally at 30 ºC) and pH 4.0-7.5. No growth in
4% NaCl medium. Facultatively anaerobic.
Isolated from total mixed ration silage, Japan.
Undetermined.
- Tohno M, Tanizawa Y, Irisawa T, Masuda T, Sakamoto M, Arita M, Ohkuma M and Kobayashi H, 2017. Lactobacillus silagincola sp.
nov. and Lactobacillus pentosiphilus sp. nov., isolated from silage. Int J Syst Evol Microbiol 67, 3639-3644. - Zheng J, Wittouck S, Salvetti E, Franz MAP et al., 2020. A taxonomic note on the genus Lactobacillus: Description of 23 novel
genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae.
Int J Syst Microbiol. 70, 2782-2858.
Heterofermentative.
Description is based mainly on API 50 CHL and API ZYM results.
Positive results for acid and alkaline phosphatase, arginine deamination, esculin hydrolysis, alpha- and beta-galactosidase, alpha-
and beta-glucosidase, leucine arylamidase, esterase (C4), esterase lipase (C8), valine arylamidase, fermentation of L-arabinose,
esculin, galactose, glucose (with gas production), gluconate (without gas production), maltose, melibiose, methyl
alpha-D-glucopyranoside, ribose, D-xylose, and N-acetylglucosamine.
Negative results for cystine arylamidase, alpha-fucosidase, beta-glucuronidase, lipase (C14), alpha-mannosidase, trypsin,
alpha-chymotrypsin, N-acetyl-beta-glucosaminidase, naphthol-AS-BI-phosphohydrolase, fermentation of adonitol, amygdalin, arbutin,
D-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, L- and D-fucose, D-fructose, gentiobiose, 2- and 5-ketogluconate,
glycerol, glycogen, inositol, inulin, lactose, D-lyxose, mannitol, mannose, melezitose, methyl alpha-D-mannopyranoside, methyl
alpha-D-xyloside, raffinose, rhamnose, salicin, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, L-xylose, and
methyl beta-D-xylopyranoside.
Description is based mainly on API 50 CHL and API ZYM results.
Positive results for acid and alkaline phosphatase, arginine deamination, esculin hydrolysis, alpha- and beta-galactosidase, alpha-
and beta-glucosidase, leucine arylamidase, esterase (C4), esterase lipase (C8), valine arylamidase, fermentation of L-arabinose,
esculin, galactose, glucose (with gas production), gluconate (without gas production), maltose, melibiose, methyl
alpha-D-glucopyranoside, ribose, D-xylose, and N-acetylglucosamine.
Negative results for cystine arylamidase, alpha-fucosidase, beta-glucuronidase, lipase (C14), alpha-mannosidase, trypsin,
alpha-chymotrypsin, N-acetyl-beta-glucosaminidase, naphthol-AS-BI-phosphohydrolase, fermentation of adonitol, amygdalin, arbutin,
D-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, L- and D-fucose, D-fructose, gentiobiose, 2- and 5-ketogluconate,
glycerol, glycogen, inositol, inulin, lactose, D-lyxose, mannitol, mannose, melezitose, methyl alpha-D-mannopyranoside, methyl
alpha-D-xyloside, raffinose, rhamnose, salicin, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, L-xylose, and
methyl beta-D-xylopyranoside.
(c) Costin Stoica
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