| Listeria cossartiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Bacillales, Family Listeriaceae, Genus Listeria, 2 subspecies:
- Listeria cossartiae subsp. cayugensis Carlin et al. 2021,
- Listeria cossartiae subsp. cossartiae Carlin et al. 2021.
- Listeria cossartiae subsp. cayugensis Carlin et al. 2021,
- Listeria cossartiae subsp. cossartiae Carlin et al. 2021.
Gram-positive, short rods. Displays umbrella-patterned motility in MTM incubated at
25 ºC. Tumbling motility observed microscopically at 25 ºC. Non-motile at 37 ºC.
25 ºC. Tumbling motility observed microscopically at 25 ºC. Non-motile at 37 ºC.
Colonies on MOX are small, round, black, with sunken centres. Colonies on LMCPM
are of similar size as colonies on MOX, round and opaque-white in colour. Growth
occurs from 4-41 ºC in BHI broth with optimal growth between 30-37 ºC.
are of similar size as colonies on MOX, round and opaque-white in colour. Growth
occurs from 4-41 ºC in BHI broth with optimal growth between 30-37 ºC.
Isolated from soils in Alabama and Georgia, 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 catalase, aesculin hydrolysis, alpha-mannosidase, Voges-Proskauer test, acid production from:
N-acetylglucosamine, amygladin, arbutin, salicin, D-cellobiose, D-arabitol, D-fructose, glycerol, D-glucose, methyl
alpha-D-glucopyranoside, lactose, maltose, mannose, and methyl alpha-D-mannopyranoside.
Negative results for arylamidase, 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,
inositol, inulin, D-lyxose, D-mannitol, melibiose, melezitose, methyl alpha-D-xylopyranoside, L-rhamnose, L-sorbose, D-sorbitol,
sucrose, turanose, D-tagatose, D- and L-xylose.
Variable results for acid production from: D-ribose and D-trehalose.
Subspecies cayugensis can be differentiated by the ability of some strains in this subspecies to ferment ribose.
N-acetylglucosamine, amygladin, arbutin, salicin, D-cellobiose, D-arabitol, D-fructose, glycerol, D-glucose, methyl
alpha-D-glucopyranoside, lactose, maltose, mannose, and methyl alpha-D-mannopyranoside.
Negative results for arylamidase, 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,
inositol, inulin, D-lyxose, D-mannitol, melibiose, melezitose, methyl alpha-D-xylopyranoside, L-rhamnose, L-sorbose, D-sorbitol,
sucrose, turanose, D-tagatose, D- and L-xylose.
Variable results for acid production from: D-ribose and D-trehalose.
Subspecies cayugensis can be differentiated by the ability of some strains in this subspecies to ferment ribose.
(c) Costin Stoica
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