Cytobacillus oceanisediminis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Cytobacillaceae, Genus Cytobacillus, Cytobacillus
oceanisediminis
(Zhang et al. 2010) Patel and Gupta 2020.
Old synonym:
Bacillus oceanisediminis Zhang et al. 2010.
Species description is based on a single strain.
Gram-positive, round-ended rods, 0.6-0.8 x 2-3 µm, occuring singly, in pairs or short
chains. Ellipsoidal endospores are formed subterminally, paracentrally or centrally.
Colonies are creamy white, slightly convex in the centre, smooth, round and 1-3 mm
in diameter; edges are usually irregular with pointed projections that may spread and
become rhizoid in old cultures. Diffusible pigments are not formed. Grows at 4-45 ºC
(optimum 37 ºC), at pH 6
-10 (optimum pH 7.0) and with 0-13% (w/v) NaCl. Aerobic.
Isolated from a sediment sample from the South Sea, China.
Resistant to aztreonam. Susceptible to lysozyme (0.005 %, w/v), amikacin, amoxicillin plus clavulanic acid, ampicillin, cefotaxime,
chloramphenicol, ciprofloxacin, clindamycin hydrochloride, erythromycin, gentamicin, kanamycin, mezlocillin, ofloxacin, penicillin G,
rifampicin, streptomycin, tetracycline and tobramycin.
Undetermined.
  1. Zhang J, Wang J, Fang C, Song F, Xin Y, Qu L, Ding K. Bacillus oceanisediminis sp. nov., isolated from marine sediment. Int J Syst
    Evol Microbiol 2010; 60:2924-2929.
  2. 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.
  3. Zhang XX, Gao JS, Zhang L, Zhang CW, Ma XT, Zhang J. Bacillus oryzisoli sp. nov., isolated from rice rhizosphere. Int J Syst Evol
    Microbiol 2016; 66:3432-3436.
Positive results for adenine hydrolysis, arginine dihydrolase, catalase, casein hydrolysis, citrate utilization, egg-yolk reaction, gelatin
hydrolysis, beta-galactosidase, indole production, methyl red test, nitrate reduction, oxidase, starch hydrolysis, Voges-Proskauer test,
acid production from:
N-acetylglucosamine, inulin, glycogen, raffinose and sucrose.
Can utilize as sole carbon and energy source: cellobiose, meso-erythritol, D-glucose, glycogen, melezitose, raffinose, alpha-L-
rhamnose, sucrose, acetate, fumarate, lactic acid, malate, pyruvic acid, sorbic acid, succinate and tartrate (weakly).

Negative results for arbutin hydrolysis, aesculin hydrolysis, H
2S production,  lipase, phenylalanine deaminase, urease, acid
production from: cellobiose, D-galactose, glycerol, myo-inositol, lactose, D-mannitol, melezitose, melibiose,
methyl alpha-D-
glucoside,
alpha-L-rhamnose, D-sorbitol, trehalose, D-tagatose, D-xylitol and D-xylose.
No utilization of: L-arabinose, D-fructose, melibiose, D-ribose, L-sorbose, D-xylose, benzoate, citrate, malonate, propionate
and oxalate.

Variable acid production from: L-arabinose,
D-glucose and maltose.
(c) Costin Stoica
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