| Cytobacillus horneckiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Cytobacillaceae, Genus Cytobacillus, Cytobacillus
horneckiae (Vaishampayan et al. 2010) Patel and Gupta 2020.
Old synonym: Bacillus horneckiae Vaishampayan et al. 2010.
horneckiae (Vaishampayan et al. 2010) Patel and Gupta 2020.
Old synonym: Bacillus horneckiae Vaishampayan et al. 2010.
Gram-positive, motile rods, 1.0-1.5 x 4.0-6.0 µm. Produce subterminal, oval
endospores which exhibit an external layer that appeared to attract other spores and
result in the formation of a biofilm or aggregates.
endospores which exhibit an external layer that appeared to attract other spores and
result in the formation of a biofilm or aggregates.
Colonies are yellowish, plain, 3 mm in diameter, with irregular edges after 24 hours
on TSA at 32 ºC. No pigment production. Aerobic; no anaerobic growth. Grow at pH
5.7-10.5 (optimum pH 7) and in 0-10% NaCl media. Temperature range 5-40 ºC.
on TSA at 32 ºC. No pigment production. Aerobic; no anaerobic growth. Grow at pH
5.7-10.5 (optimum pH 7) and in 0-10% NaCl media. Temperature range 5-40 ºC.
Isolated from a clean room of the Kennedy Space Center. Spores were resistant to UV radiation up to 1000 J/m2.
Undetermined.
- Vaishampayan P., Probst A., Krishnamurthi S., Ghosh S., Osman S., McDowall A., Ruckmani A., Mayilraj S. and Venkateswaran K.,
2010. Bacillus horneckiae sp. nov., isolated from a spacecraft-assembly clean room. IJSEM 60, 1031-1037. - Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus:
Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov.,
Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438. - Lee GH, Rhee MS, Chang DH, Kwon KK, Bae KS, Yang SH, Kim BC. Bacillus solimangrovi sp. nov., isolated from mangrove soil.
Int J Syst Evol Microbiol 2014; 64:1622-1628. - Seiler H, Schmidt V, Wenning M, Scherer S. Bacillus kochii sp. nov., isolated from foods and a pharmaceuticals manufacturing
site. Int J Syst Evol Microbiol 2012; 62:1092-1097.
Positive results for catalase, gelatin hydrolysis (weak reaction), hippurate hydrolysis and nitrate reduction.
Can assimilate (API 20NE): D-glucose, L-arabinose, D-mannose, D-mannitol, N-acetyl-D-glucosamine, maltose, potassium gluconate,
adipic acid, malic acid, trisodium citrate and phenylacetic acid.
Can utilize as sole carbon source: 2-ketogluconate, maltose, sucrose, lactate, L-histidine, L-proline and propionate.
Negative results for arginine dihydrolase, aesculin hydrolysis, beta-galactosidase, indole production, oxidase, urease, acid production
from: D- or L-arabinose, N-acetyl-D-glucosamine, adonitol, amygdalin, D- or L-arabitol, arbutin, cellobiose, dulcitol, erythritol, fructose,
D- or L-fucose, galactose, beta-gentiobiose, gluconate, D-glucose, glycerol, glycogen, meso-inositol, inulin, 2- or 5-ketogluconate,
lactose, lyxose, D-mannitol, D-mannose, maltose, melezitose, melibiose, raffinose, rhamnose, ribose, salicin, starch, sorbitol,
sorbose, sucrose, trehalose, xylitol, D- or L-xylose.
No utilization of: 3-hydroxybenzoate and phenylacetate.
Can assimilate (API 20NE): D-glucose, L-arabinose, D-mannose, D-mannitol, N-acetyl-D-glucosamine, maltose, potassium gluconate,
adipic acid, malic acid, trisodium citrate and phenylacetic acid.
Can utilize as sole carbon source: 2-ketogluconate, maltose, sucrose, lactate, L-histidine, L-proline and propionate.
Negative results for arginine dihydrolase, aesculin hydrolysis, beta-galactosidase, indole production, oxidase, urease, acid production
from: D- or L-arabinose, N-acetyl-D-glucosamine, adonitol, amygdalin, D- or L-arabitol, arbutin, cellobiose, dulcitol, erythritol, fructose,
D- or L-fucose, galactose, beta-gentiobiose, gluconate, D-glucose, glycerol, glycogen, meso-inositol, inulin, 2- or 5-ketogluconate,
lactose, lyxose, D-mannitol, D-mannose, maltose, melezitose, melibiose, raffinose, rhamnose, ribose, salicin, starch, sorbitol,
sorbose, sucrose, trehalose, xylitol, D- or L-xylose.
No utilization of: 3-hydroxybenzoate and phenylacetate.
(c) Costin Stoica
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