Bacillus macroides
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus macroides  Bennett and Canale-Parola
(1965).
Old synonym:
Lineola longa  Pringsheim (1950).
Strain LMG 18508  of
Bacillus macroides is now included in species Bacillus simplex (ex Meyer and Gottheil 1901) Priest et al. 1989.
Gram positive, 0.9-1.1 x 3.0-4.5 μm, motile with peritrichous flagella. Spores: ellipsoidal, subterminal  or terminal. Swelling the
sporangia is variable.
Maximum temperature 40 ºC; minimum temperature 15 ºC. No growth in anaerobic
agar. Growth in 5% NaCl, but not in 10% NaCl. No growth at 5.7 pH.
Minimal nutritional requirements are a carbon energy source, NH
4-N, thiamine, biotin
and, for one strain, guanine.
Isolated from cow dung, plant material decaying in water.
Undetermined.
  1. Gordon R.E., Haynes W.C., Pang C.H. (1973) – The genus Bacillus . Agriculture Handbook No. 427, U.S.D.A., Washington D.C.
  2. Buchanan R.E., Gibbons N.E., Cowan S.T., Holt J.G., Liston J., Murray R.G.E., Niven C.F., Ravin A.W., Stanier R.W. ( 1974) –  
    Bergey’s Manual of Determinative Bacteriology, Eight Edition, The Williams & Wilkins Company, Baltimore.
  3. Jeroen Heyrman, Niall A. Logan, Marina Rodríguez-Díaz, Patsy Scheldeman, Liesbeth Lebbe, Jean Swings, Marc Heyndrickx, and
    Paul De Vos: Study of mural painting isolates, leading to the transfer of ‘Bacillus maroccanus’ and ‘Bacillus carotarum’ to Bacillus
    simplex, emended description of Bacillus simplex, re-examination of the strains previously attributed to ‘Bacillus macroides’ and
    description of Bacillus muralis sp. nov. Int J Syst Evol Microbiol January 2005 55:119-131.
  4. 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.
Biochemically is very similar to Bacillus simplex.
Positive results for catalase & deamination of phenylalanine.
Negative results for: starch hydrolysis, reduction of nitrate to nitrite, decomposition of
casein, decomposition of tyrosine, Voges-Proskauer test, resistance to lysozyme,
citrate utilization, indole production, acid production from: glucose,
mannitol,arabinose & xylose.
(c) Costin Stoica
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