| Listeria floridensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Listeriaceae, Genus Listeria, Listeria floridensis Den Bakker et al. 2014.
Gram-positive, straight rods with rounded ends, 0.6 x 1.3-1.9 µm. Non-motile at 4,
22, 30 or 37 ºC.
22, 30 or 37 ºC.
Colonies resemble typical Listeria colonies morphology. Optimum growth
temperature is 37-41 ºC. No growth at 7 ºC or below. Hemolysis is not produced.
CAMP-negative. Aerobic and facultative anaerobic. Grows well on BHI agar.
temperature is 37-41 ºC. No growth at 7 ºC or below. Hemolysis is not produced.
CAMP-negative. Aerobic and facultative anaerobic. Grows well on BHI agar.
Isolated from running water in Florida, USA.
Undetermined.
- Den Bakker, H. C., Warchocki, S., Wright, E. M., Allred, A. F., Ahlstrom, C., Manuel, C. S., Stasiewicz, M. J., Burrell, A., Roof, S.,
Strawn, L. K., Fortes, E., Nightingale, K. K., Kephart, D. and Wiedmann, M. 2014. Listeria floridensis sp. nov., Listeria aquatica sp.
nov., Listeria cornellensis sp. nov., Listeria riparia sp. nov. and Listeria grandensis sp. nov., from agricultural and natural
environments. Int. J. Syst. Evol. Microbiol., 64, 1882-1889.
Some characters were determined using API Listeria (numerical profile 2710) and
API 50 CHB/E kits.
Positive results for catalase, methyl red test, acid production from: aesculin ferric citrate, N-acetylglucosamine, amygdalin, arbutin,
L-arabinose, cellobiose, D-fructose, D-galactose, methyl alpha-D-glucoside, D-glucose, lactose, D-lyxose, maltose, D-mannose,
L-rhamnose, salicin D-xylose
Negative results for arylamidase, alpha-mannosidase, nitrate reduction, Voges-Proskauer test, acid production from: D-arabinose,
D-arabitol, D-adonitol, L-fucose, glycogen, glycerol, glucose 1-phosphate, gluconate, 2- and 5-ketogluconate, inositol, inulin,
D-mannitol, melezitose, melibiose, methyl alpha-D-mannopyranoside, raffinose, D-ribose, L-sorbose, sucrose, D-tagatose, turanose
& methyl beta-D-xylopyranoside.
API 50 CHB/E kits.
Positive results for catalase, methyl red test, acid production from: aesculin ferric citrate, N-acetylglucosamine, amygdalin, arbutin,
L-arabinose, cellobiose, D-fructose, D-galactose, methyl alpha-D-glucoside, D-glucose, lactose, D-lyxose, maltose, D-mannose,
L-rhamnose, salicin D-xylose
Negative results for arylamidase, alpha-mannosidase, nitrate reduction, Voges-Proskauer test, acid production from: D-arabinose,
D-arabitol, D-adonitol, L-fucose, glycogen, glycerol, glucose 1-phosphate, gluconate, 2- and 5-ketogluconate, inositol, inulin,
D-mannitol, melezitose, melibiose, methyl alpha-D-mannopyranoside, raffinose, D-ribose, L-sorbose, sucrose, D-tagatose, turanose
& methyl beta-D-xylopyranoside.
(c) Costin Stoica
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