| Mixta gaviniae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Erwiniaceae, Genus Mixta,
Mixta gaviniae (Popp et al. 2010) Palmer et al. 2018.
Basonym: Pantoea gaviniae Popp et al. 2010.
Mixta gaviniae (Popp et al. 2010) Palmer et al. 2018.
Basonym: Pantoea gaviniae Popp et al. 2010.
Gram-negative coccoid rods, 1.0 x 2.0–3.0 μm, occuring singly or in pairs. Motile. Non-
spore-forming.
spore-forming.
Colonies are nonpigmented and convex after 24 h of aerobic incubation at 37 ºC on
TSA medium. grow well at 10 ºC but poorly at 7 ºC and 41.5 ºC. No growth occurs at
44 ºC. Facultatively anaerobic.
TSA medium. grow well at 10 ºC but poorly at 7 ºC and 41.5 ºC. No growth occurs at
44 ºC. Facultatively anaerobic.
Isolated from powdered infant formula.
Undetermined.
- Palmer M, Steenkamp ET, Coetzee MPA, Avontuur JR, Chan WY, van Zyl E, Blom J, Venter SN. Mixta gen. nov., a new genus in the
Erwiniaceae. Int J Syst Evol Microbiol 2018; 68:1396-1407. - Popp A, Cleenwerck I, Iversen C, De Vos P, Stephan R. Pantoea gaviniae sp. nov. and Pantoea calida sp. nov., isolated from infant
formula and an infant formula production environment. Int J Syst Evol Microbiol 2010; 60:2786-2792. - Xia M, Wang J, Huo YX, Yang Y. Mixta tenebrionis sp. nov., isolated from the gut of the plastic-eating mealworm Tenebrio molitor L.
Int J Syst Evol Microbiol 2020; 70:790-796. - Prakash O, Nimonkar Y, Vaishampayan A, Mishra M, Kumbhare S, Josef N, Shouche YS. Pantoea intestinalis sp. nov., isolated
from the human gut. Int J Syst Evol Microbiol 2015; 65:3352-3358.
Positive results for catalase, DNase, beta-glucosidase, alpha- and beta-galactosidase, aesculin hydrolysis, nitrate reductase,
Voges-Proskauer test, acid production from L-arabinose, arbutin, cellobiose, D-fructose, D-galactose, D-glucose, glycerol,
beta-gentiobiose, gluconate, 2-ketogluconate, inositol, lactose, maltose, D-mannose, D-mannitol, melibiose, N-acetylglucosamine,
raffinose, L-rhamnose, D-ribose, salicin, sucrose, trehalose, and D-xylose.
Can utilize (4 days) alpha-D-glucose, beta-D-fructose, D-galactose, trehalose, D-mannose, alpha-melibiose, sucrose, raffinose,
maltotriose, maltose, alpha-lactose, lactulose, 1-0-methyl beta-galactopyranoside, 1-0-methyl alpha-galactopyranoside, cellobiose,
beta-gentiobiose, 1-0-methyl beta-D-glucopyranoside, aesculin, D-ribose, L-arabinose, D-xylose, alpha-L-rhamnose, glycerol,
myo-inositol, D-mannitol, D-sorbitol, D-saccharate, mucate, L-malate, cis-aconitate, trans-aconitate, citrate, D-glucuronate,
D-galacturonate, 2- and 5-ketogluconate, N-acetyl-D-glucosamine, D-gluconate, DL-lactate, succinate, fumarate, DL-glycerate,
D-glucosamine, L-aspartate, L-glutamate, L-proline, D-alanine, L-alanine, L-serine and alpha-ketoglutarate.
Negative results for arginine dihydrolase, L-aspartic acid arylamidase, alpha-glucosidase, beta-glucuronidase, gelatinase, H2S
production, indole production, lysine decarboxylase, lipase, alpha-maltosidase, N-acetyl-beta-glucosaminidase, tryptophan
deaminase ornithine decarboxylase, urease, acid production from adonitol, amygdalin, D-arabinose, D- and L-arabitol, dulcitol,
erythritol, glycogen, galacturonate, inulin, 5-ketogluconate, D-lyxose, melezitose, methyl alpha-D-mannopyranoside, methyl
alpha-D-glucopyranoside, methyl beta-D-xylopyranoside, L-sorbose, D-sorbitol, starch, turanose, D-tagatose, xylitol, and L-xylose.
No utilization of L-sorbose, palatinose, alpha-L-fucose, melezitose, D-arabitol, L-arabitol, xylitol, dulcitol, D-tagatose, maltitol,
turanose, adonitol, hydroxyquinoline-beta-glucuronide, D-lyxose, i-erythritol, 1-0-methyl alpha-D-glucopyranoside, 3-0-methyl
D-glucopyranoside, L- and D-tartrate, meso-tartrate, D-malate, tricarballylate, L-tryptophan, phenylacetate, protocatechuate,
p-hydroxybenzoate, quinate, gentisate, m-hydroxybenzoate, benzoate, 3-phenylpropionate, m-coumarate, trigonelline, betaine,
putrescine, 4-aminobutyrate, histamine, caprate, caprylate, L-histidine, glutarate, 5-aminovalerate, ethanolamine, tryptamine,
itaconate, 3-hydroxybutyrate, malonate, propionate and L-tyrosine.
Voges-Proskauer test, acid production from L-arabinose, arbutin, cellobiose, D-fructose, D-galactose, D-glucose, glycerol,
beta-gentiobiose, gluconate, 2-ketogluconate, inositol, lactose, maltose, D-mannose, D-mannitol, melibiose, N-acetylglucosamine,
raffinose, L-rhamnose, D-ribose, salicin, sucrose, trehalose, and D-xylose.
Can utilize (4 days) alpha-D-glucose, beta-D-fructose, D-galactose, trehalose, D-mannose, alpha-melibiose, sucrose, raffinose,
maltotriose, maltose, alpha-lactose, lactulose, 1-0-methyl beta-galactopyranoside, 1-0-methyl alpha-galactopyranoside, cellobiose,
beta-gentiobiose, 1-0-methyl beta-D-glucopyranoside, aesculin, D-ribose, L-arabinose, D-xylose, alpha-L-rhamnose, glycerol,
myo-inositol, D-mannitol, D-sorbitol, D-saccharate, mucate, L-malate, cis-aconitate, trans-aconitate, citrate, D-glucuronate,
D-galacturonate, 2- and 5-ketogluconate, N-acetyl-D-glucosamine, D-gluconate, DL-lactate, succinate, fumarate, DL-glycerate,
D-glucosamine, L-aspartate, L-glutamate, L-proline, D-alanine, L-alanine, L-serine and alpha-ketoglutarate.
Negative results for arginine dihydrolase, L-aspartic acid arylamidase, alpha-glucosidase, beta-glucuronidase, gelatinase, H2S
production, indole production, lysine decarboxylase, lipase, alpha-maltosidase, N-acetyl-beta-glucosaminidase, tryptophan
deaminase ornithine decarboxylase, urease, acid production from adonitol, amygdalin, D-arabinose, D- and L-arabitol, dulcitol,
erythritol, glycogen, galacturonate, inulin, 5-ketogluconate, D-lyxose, melezitose, methyl alpha-D-mannopyranoside, methyl
alpha-D-glucopyranoside, methyl beta-D-xylopyranoside, L-sorbose, D-sorbitol, starch, turanose, D-tagatose, xylitol, and L-xylose.
No utilization of L-sorbose, palatinose, alpha-L-fucose, melezitose, D-arabitol, L-arabitol, xylitol, dulcitol, D-tagatose, maltitol,
turanose, adonitol, hydroxyquinoline-beta-glucuronide, D-lyxose, i-erythritol, 1-0-methyl alpha-D-glucopyranoside, 3-0-methyl
D-glucopyranoside, L- and D-tartrate, meso-tartrate, D-malate, tricarballylate, L-tryptophan, phenylacetate, protocatechuate,
p-hydroxybenzoate, quinate, gentisate, m-hydroxybenzoate, benzoate, 3-phenylpropionate, m-coumarate, trigonelline, betaine,
putrescine, 4-aminobutyrate, histamine, caprate, caprylate, L-histidine, glutarate, 5-aminovalerate, ethanolamine, tryptamine,
itaconate, 3-hydroxybutyrate, malonate, propionate and L-tyrosine.
(c) Costin Stoica
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