| Heyndrickxia oleronia |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Heyndrickxia, Heyndrickxia oleronia
(Kuhnigk et al. 1996) Gupta et al. 2020.
Synonym: Bacillus oleronius Kuhnigk et al. 1996 emended Heyndrickx et al. 2012.
(Kuhnigk et al. 1996) Gupta et al. 2020.
Synonym: Bacillus oleronius Kuhnigk et al. 1996 emended Heyndrickx et al. 2012.
Gram-negative, nonmotile, medium-sized rods. Occur singly and in pairs, sometimes
in short chains. Produce subterminal / paracentral, ellipsoidal endospores in swollen
sporangia.
in short chains. Produce subterminal / paracentral, ellipsoidal endospores in swollen
sporangia.
Colonies are 1-2 mm in diameter, beige or cream, shiny, with slightly translucent
edges on TSA. Aerobic. Growth temperature 30-50 ºC (optimum 37 ºC); pH 7. Grow in
0-7% NaCl. Alantoin or urate are not required for growth.
edges on TSA. Aerobic. Growth temperature 30-50 ºC (optimum 37 ºC); pH 7. Grow in
0-7% NaCl. Alantoin or urate are not required for growth.
Isolated from the hindgut of termite Reticulitermes santonensis Feytaud, and from raw milk and cattle feed concentrate. No growth in
the presence of lysozyme (0.001%).
the presence of lysozyme (0.001%).
Undetermined.
- N.A. Logan and P. De Vos, 2009. Genus I. Bacillus Cohn 1872. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W. Ludwig, F.
A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes, Springer, 21-127. - Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae
genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal
for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol
Microbiol 2020; 70:5753-5798.
Positive results for catalase, hydrolysis of esculin, hydrolysis of gelatin (weak), nitrate reduction, acid production from: N-acetyl-D-
glucosamine, cellobiose, fructose, D-glucose and D-mannitol.
Negative results for arginine dihydrolase, caseinase, citrate utilization, lysine decarboxylase, ornithine decarboxylase, beta-
galactosidase, egg yolk reaction, indole production, H2S production, tryptophan deaminase, urease, acid production from: D- or L-
arabinose, adonitol, amygdalin, D- or L-arabitol, arbutin, dulcitol, erythritol, D- or L-fucose, glycogen, beta-gentibiose, gluconate,
meso-inositol, inulin, 2- or 5-ketogluconate, lactose, lyxose, melezitose, melibiose, raffinose, rhamnose, sorbitol, sorbose, sucrose,
methyl beta-xyloside, xylitol, L- or D-xylose.
Variable or weak results for Voges-Proskauer test, starch hydrolysis, acid production from: glycerol, D-mannose, maltose, ribose,
salicin, starch and trehalose.
glucosamine, cellobiose, fructose, D-glucose and D-mannitol.
Negative results for arginine dihydrolase, caseinase, citrate utilization, lysine decarboxylase, ornithine decarboxylase, beta-
galactosidase, egg yolk reaction, indole production, H2S production, tryptophan deaminase, urease, acid production from: D- or L-
arabinose, adonitol, amygdalin, D- or L-arabitol, arbutin, dulcitol, erythritol, D- or L-fucose, glycogen, beta-gentibiose, gluconate,
meso-inositol, inulin, 2- or 5-ketogluconate, lactose, lyxose, melezitose, melibiose, raffinose, rhamnose, sorbitol, sorbose, sucrose,
methyl beta-xyloside, xylitol, L- or D-xylose.
Variable or weak results for Voges-Proskauer test, starch hydrolysis, acid production from: glycerol, D-mannose, maltose, ribose,
salicin, starch and trehalose.
(c) Costin Stoica
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