Effect of trace metals on production of exoprotein and β-lactamase by Staphylococcus aureus

K. Gopalkrishna Bhat, B. K. Hegde, P. G. Shivananda

Research output: Contribution to journalArticle


A minimum concentration of 0.01 mM of Mg2+ was essential for any growth of S. aureus. Of the trace metals, Mg2+ and Ca2+ were highly stimulatory for growth. All trace metals except Ni2+ in small concentrations were stimulatory for growth and exoprotein production. Amounts of exoprotein and β-lactamase produced relative to the number of viable cells were maximum during the period of suboptimal proliferation of bacteria. Trace metals did not significantly influence the amount of β-lactamase produced relative to exoprotein.

Original languageEnglish
Pages (from-to)492-494
Number of pages3
JournalIndian Journal of Experimental Biology
Issue number7
Publication statusPublished - 01-01-1994
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Medicine(all)
  • Molecular Biology
  • Cell Biology

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