| Listeria costaricensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Bacillales, Family Listeriaceae, Genus Listeria, Listeria costaricensis
Nunez-Montero et al. 2018.
Nunez-Montero et al. 2018.
Gram-positive, straight rods. Non-motile at 25 ºC but motile at 37 ºC. Capsule is not
formed. Spores are not produced.
formed. Spores are not produced.
Colonies are opaque, yellow-pigmented (atypical of Listeria species), with a flat shape
and entire margin on BHI. On ALOA, colonies are blue without a white halo. On MOX,
colonies are convex and pewter-coloured. Growth occurs at 22-42 ºC, with optimal
growth at 30-37 ºC. Not haemolytic on Columbia agar + 5% horse blood. CAMP test
is negatve. Facultatively anaerobic.
and entire margin on BHI. On ALOA, colonies are blue without a white halo. On MOX,
colonies are convex and pewter-coloured. Growth occurs at 22-42 ºC, with optimal
growth at 30-37 ºC. Not haemolytic on Columbia agar + 5% horse blood. CAMP test
is negatve. Facultatively anaerobic.
Isolated from a food processing drainage system in Costa Rica. Sensitive to penicillin G, ampicillin, amoxicillin, imipenem,
kanamycin, streptomycin, gentamicin, fosfomycin, rifampicin, erythromycin, levofloxacin, moxifloxacin, clindamycin, tetracycline,
chloramphenicol, sulphonamides, trimethoprim and vancomycin. Resistant to nalidixic acid and cefotaxime, and intermediate
resistance to ciprofloxacin and fusidic acid.
kanamycin, streptomycin, gentamicin, fosfomycin, rifampicin, erythromycin, levofloxacin, moxifloxacin, clindamycin, tetracycline,
chloramphenicol, sulphonamides, trimethoprim and vancomycin. Resistant to nalidixic acid and cefotaxime, and intermediate
resistance to ciprofloxacin and fusidic acid.
Not pathogenic.
- Nunez-Montero K, Leclercq A, Moura A, Vales G, Peraza J, Pizarro-Cerda J, Lecuit M. Listeria costaricensis sp. nov. Int J Syst Evol
Microbiol 2018; 68:844-850. - 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 nitrate reduction, esculin hydrolysis, Voges-Proskauer test, acid production from: aesculin, N-acetylglucosamine,
amygdalin, D-arabitol, arbutin, cellobiose, L-fucose, D-fructose, D-galactose, gentiobiose, D-glucose, glycerol, lactose, maltose,
D-mannose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside, potassium 5-ketogluconate, L-rhamnose, D-ribose,
sucrose, salicin, starch, trehalose, xylitol and D-xylose
Negative results for catalase, nitrite reduction, oxidase, acid production from: D-adonitol, D- and L-arabinose, D-arabitol, dulcitol,
erythritol, D-fucose, glucose-1-phosphate, glycogen, inositol, inulin, D-lyxose, D-mannitol, melezitose, melibiose, methyl beta-D-
xylopyranoside, potassium gluconate, potassium 2-ketogluconate, raffinose, D-sorbitol, L-sorbose, D-tagatose, turanose or L-xylose.
amygdalin, D-arabitol, arbutin, cellobiose, L-fucose, D-fructose, D-galactose, gentiobiose, D-glucose, glycerol, lactose, maltose,
D-mannose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside, potassium 5-ketogluconate, L-rhamnose, D-ribose,
sucrose, salicin, starch, trehalose, xylitol and D-xylose
Negative results for catalase, nitrite reduction, oxidase, acid production from: D-adonitol, D- and L-arabinose, D-arabitol, dulcitol,
erythritol, D-fucose, glucose-1-phosphate, glycogen, inositol, inulin, D-lyxose, D-mannitol, melezitose, melibiose, methyl beta-D-
xylopyranoside, potassium gluconate, potassium 2-ketogluconate, raffinose, D-sorbitol, L-sorbose, D-tagatose, turanose or L-xylose.
(c) Costin Stoica
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