| Antibiogram |
| Franconibacter pulveris |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Enterobacteriaceae, Genus Franconibacter,
Franconibacter pulveris (Stephan et al. 2008) Stephan et al. 2014.
Synonyms: Cronobacter pulveris (Stephan et al. 2008) Brady et al. 2013,
Enterobacter pulveris Stephan et al. 2008.
Franconibacter pulveris (Stephan et al. 2008) Stephan et al. 2014.
Synonyms: Cronobacter pulveris (Stephan et al. 2008) Brady et al. 2013,
Enterobacter pulveris Stephan et al. 2008.
Gram-negative, coccoid rods, 0.9-1.0 x 1.5-3.0 µm, occuring singly or in pairs.
Non-spore-forming. Motile.
Non-spore-forming. Motile.
Colonies are yellow-pigmented and convex after 24 hours incubation on TSA, at 37
ºC. Grows well at 44 ºC but poorly at 10 ºC. Facultatively anaerobic.
ºC. Grows well at 44 ºC but poorly at 10 ºC. Facultatively anaerobic.
Isolated from fruit powder.
Undetermined.
- Stephan R, Van Trappen S, Cleenwerck I, Iversen C, Joosten H, De Vos P, Lehner A. Enterobacter pulveris sp. nov., isolated from
fruit powder, infant formula and an infant formula production environment. Int J Syst Evol Microbiol 2008; 58:237-241. - Stephan R, Grim CJ, Gopinath GR, Mammel MK, Sathyamoorthy V, Trach LH, Chase HR, Fanning S, Tall BD. Re-examination of the
taxonomic status of Enterobacter helveticus, Enterobacter pulveris and Enterobacter turicensis as members of the genus
Cronobacter and their reclassification in the genera Franconibacter gen. nov. and Siccibacter gen. nov. as Franconibacter helveticus
comb. nov., Franconibacter pulveris comb. nov. and Siccibacter turicensis comb. nov., respectively. Int J Syst Evol Microbiol 2014; 64:
3402-3410. - Gao Z, Su C, Yang X, Sun D, Zeng C, Chen M, Hu W, Zhang C. Franconibacter daqui sp. nov., a facultatively alkaliphilic species
isolated from a Daqu sample. Int J Syst Evol Microbiol 2017; 67:4962-4966.
Positive results for catalase, esculin hydrolysis, alpha- and beta-glucosidase, alpha- and beta-galactosidase, alpha-maltosidase,
methyl red test, nitrate reduction, acid production from D-arabitol, L-arabinose, D-cellobiose, galacturonate, D-glucose, D-mannitol,
maltose, L-rhamnose, sucrose, and trehalose.
Can utilize as sole carbon source alpha-D-glucose, beta-D-fructose, D-galactose, trehalose, D-mannose, melibiose, sucrose,
raffinose, maltotriose, maltose, alpha-lactose, 1-O-methyl-beta-galactopyranoside, 1-O-methyl-alpha-galactopyranoside,
D-cellobiose, beta-gentiobiose, 1-O-methyl-beta-Dglucopyranoside, D-ribose, L-arabinose, D-xylose, alpha-L-rhamnose, D-arabitol,
glycerol, D-mannitol, D-saccharate, mucate, L-malate, cis-aconitate, trans-aconitate, D-glucuronate, D-galacturonate, 2- and 5-
ketogluconate, N-acetyl-D-glucosamine, D-gluconate, protocatechuate, p-hydroxybenzoate, quinate, DL-lactate, fumarate,
D-glucosamine, L-aspartate, L-glutamate, L-proline, L-alanine and L-serine.
Negative results for arginine dihydrolase, beta-glucuronidase, indole production, H2S production, lysine decarboxylase, malonate
decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase (or weakly positive), urease, Voges-Proskauer test, acid production
from D-arabinose, L-arabitol, adonitol, dulcitol, glycogen, inositol, lyxose, 2- and 5-ketogluconate, palatinose, and D-sorbitol.
No utilization of L-sorbose, alpha-L-fucose, L-arabitol, xylitol, D-tagatose, myo-inositol, D-sorbitol, adonitol,
hydroxyquinoline-beta-glucuronide, i-erythritol, 3-O-methyl-D-glucopyranose, D-tartrate, meso-tartrate, tricarballylate, L-tryptophan,
phenylacetate, gentisate, m-hydroxybenzoate, benzoate, 3-phenylpropionate, trigonelline, betaine, histamine, caprate, caprylate,
L-histidine, glutarate, DL-alpha-amino-n-valerate, ethanolamine, tryptamine, itaconate, DL-beta-hydroxybutyrate, malonate,
propionate, L-tyrosine and alpha-ketoglutarate.
Variable utilization of dulcitol, aesculin, putrescine, turanose, DL-alpha-amino-n-butyrate, DL-glycerate, lactulose, maltitol,
1-O-methyl-alpha-D-glucopyranoside and L-tartrate.
methyl red test, nitrate reduction, acid production from D-arabitol, L-arabinose, D-cellobiose, galacturonate, D-glucose, D-mannitol,
maltose, L-rhamnose, sucrose, and trehalose.
Can utilize as sole carbon source alpha-D-glucose, beta-D-fructose, D-galactose, trehalose, D-mannose, melibiose, sucrose,
raffinose, maltotriose, maltose, alpha-lactose, 1-O-methyl-beta-galactopyranoside, 1-O-methyl-alpha-galactopyranoside,
D-cellobiose, beta-gentiobiose, 1-O-methyl-beta-Dglucopyranoside, D-ribose, L-arabinose, D-xylose, alpha-L-rhamnose, D-arabitol,
glycerol, D-mannitol, D-saccharate, mucate, L-malate, cis-aconitate, trans-aconitate, D-glucuronate, D-galacturonate, 2- and 5-
ketogluconate, N-acetyl-D-glucosamine, D-gluconate, protocatechuate, p-hydroxybenzoate, quinate, DL-lactate, fumarate,
D-glucosamine, L-aspartate, L-glutamate, L-proline, L-alanine and L-serine.
Negative results for arginine dihydrolase, beta-glucuronidase, indole production, H2S production, lysine decarboxylase, malonate
decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase (or weakly positive), urease, Voges-Proskauer test, acid production
from D-arabinose, L-arabitol, adonitol, dulcitol, glycogen, inositol, lyxose, 2- and 5-ketogluconate, palatinose, and D-sorbitol.
No utilization of L-sorbose, alpha-L-fucose, L-arabitol, xylitol, D-tagatose, myo-inositol, D-sorbitol, adonitol,
hydroxyquinoline-beta-glucuronide, i-erythritol, 3-O-methyl-D-glucopyranose, D-tartrate, meso-tartrate, tricarballylate, L-tryptophan,
phenylacetate, gentisate, m-hydroxybenzoate, benzoate, 3-phenylpropionate, trigonelline, betaine, histamine, caprate, caprylate,
L-histidine, glutarate, DL-alpha-amino-n-valerate, ethanolamine, tryptamine, itaconate, DL-beta-hydroxybutyrate, malonate,
propionate, L-tyrosine and alpha-ketoglutarate.
Variable utilization of dulcitol, aesculin, putrescine, turanose, DL-alpha-amino-n-butyrate, DL-glycerate, lactulose, maltitol,
1-O-methyl-alpha-D-glucopyranoside and L-tartrate.
(c) Costin Stoica
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