Effect of magnesium on the physiology of Staphylococcus aureus
Bhat, K.G.; Joseph, K.M.; Shivananda, P.G.
Indian Journal of Experimental Biology 32(4): 274-276
1994
ISSN/ISBN: 0019-5189 PMID: 8088880 Document Number: 425858
The role of magnesium (Mg-2+) in the metabolism of Staphylococcus aureus was studied using a chemically defined medium. At least 0.01 mM Mg-2+ was required for any growth of S. aureus. Increasing concentration of Mg-2+ up to 1.6 mM steadily increased the bacterial growth. Glucose utilization and acid production were also influenced by Mg-2+. Excessive cobalt (Co-2+) and zinc (Zn-2+) were inhibitory to S. aureus growth and Mg-2+ could reverse the inhibitory effect.
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