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Trace Elements for Growth and Bulbiformin Production by Bacillus subtilis
Author(s) -
Mahmood M.
Publication year - 1972
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1972.tb03668.x
Subject(s) - bacillus subtilis , antibiotics , copper , chemistry , bacteria , nuclear chemistry , biology , biochemistry , genetics , organic chemistry
S ummary : The elements Mn and Fe, both alone and together, had a marked effect on growth and bulbiformin production by Bacillus subtilis. Copper, with Fe and/or Mn had a deleterious effect on antibiotic production, whereas Cu+Zn as well as Mo+B slightly increased the antibiotic produced over that obtained with Fe+Mn. The optimum requirement of Fe was 20 p/m for both growth and antibiotic activity. The requirement of Mn for maximum growth was higher (2 p/m) than that for antibiotic activity (1 p/m).
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