| Listeria farberi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Bacillales, Family Listeriaceae, Genus Listeria, Listeria farberi Carlin et al. 2021.
Gram-positive, short rods. Non-motile at 37 ºC. Classic umbrella-patterned motility
in MTM incubated at 25 ºC. Tumbling motility observed microscopically at 25 ºC.
in MTM incubated at 25 ºC. Tumbling motility observed microscopically at 25 ºC.
Colonies on MOX are small, round, black, with sunken centres. Colonies on LMCPM
have similar size and shape as colonies on MOX and are opaquewhite in colour.
Growth occurs at 4-41 ºC in BHI broth with optimal growth between 30-37 ºC after
24h.
have similar size and shape as colonies on MOX and are opaquewhite in colour.
Growth occurs at 4-41 ºC in BHI broth with optimal growth between 30-37 ºC after
24h.
Isolated from soil collected in Texas, USA.
Presumed to be non-pathogenic based on the absence of haemolysis on Sheep Blood Agar, lack of PI-PLC activity on LMCPM and the
absence of six virulence genes (prfA, plcA, hly, mpl, actA and plcB) located on LIPI-1 as well as the absence inlA and inlB.
absence of six virulence genes (prfA, plcA, hly, mpl, actA and plcB) located on LIPI-1 as well as the absence inlA and inlB.
- Carlin CR, Liao J, Weller D, Guo X, Orsi R, Wiedmann M. Listeria cossartiae sp. nov., Listeria immobilis sp. nov., Listeria portnoyi
sp. nov. and Listeria rustica sp. nov., isolated from agricultural water and natural environments. Int J Syst Evol Microbiol 2021; 71:
4795.
Positive results for arylamidase, catalase, aesculin hydrolysis, alpha-mannosidase, Voges-Proskauer test, acid production from:
N-acetylglucosamine, amygdalin, arbutin, salicin, D-cellobiose, D-arabitol, D-fructose, D-glucose, methyl alpha-D-glucopyranoside,
lactose, maltose, mannose, methyl alpha-D-mannopyranoside and L-rhamnose.
Negative results for nitrate reduction, oxidase, acid production from: D-raffinose, starch, glycogen, erythritol, D- and L-arabinose,
D-adonitol, L-arabitol, dulcitol, D- and L-fucose, glucose-1-phosphate, D-galactose, gluconate, 2- and 5-ketogluconate, glycerol,
inositol, inulin, D-lyxose, D-mannitol, melibiose, melezitose, methyl alpha-D-xylopyranoside, D-ribose, L-sorbose, D-sorbitol,
sucrose, turanose, D-tagatose, D-trehalose, D- and L-xylose.
N-acetylglucosamine, amygdalin, arbutin, salicin, D-cellobiose, D-arabitol, D-fructose, D-glucose, methyl alpha-D-glucopyranoside,
lactose, maltose, mannose, methyl alpha-D-mannopyranoside and L-rhamnose.
Negative results for nitrate reduction, oxidase, acid production from: D-raffinose, starch, glycogen, erythritol, D- and L-arabinose,
D-adonitol, L-arabitol, dulcitol, D- and L-fucose, glucose-1-phosphate, D-galactose, gluconate, 2- and 5-ketogluconate, glycerol,
inositol, inulin, D-lyxose, D-mannitol, melibiose, melezitose, methyl alpha-D-xylopyranoside, D-ribose, L-sorbose, D-sorbitol,
sucrose, turanose, D-tagatose, D-trehalose, D- and L-xylose.
(c) Costin Stoica
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