NUTRITIONAL REQUIREMENTS OF ENTEROTOXIGENIC STRAINS OF STAPHYLOCOCCUS AUREUS
Annual progress rept., 1 Jan-1 Sep 1963
NORTH CAROLINA UNIV AT CHAPEL HILL DEPT OF ENVIRONMENTAL SCIENCES AND ENGINEERING
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The nutritional requirements for growth of four enterotoxigenic, two suspected enterotoxigenic, and two known non-enterotoxigenic strains of Staphylococcus aureus were investigated a synthetic medium containing glucose, ammonium sulfate, other inorganic salts, thiamine and nicotinic acid, the minimum amino acid requirement for all strains were arginine and cystine, or, in absence of ammonium ion, a combination of arginine, cystine and glycine. In glucose free media, more amino acids were required, for some strains up to eight, viz. arginine, aspartic acid, cystine, glycine, valine, proline, histidine and phenylalanine. Good growth comparable to that in non-synthetic media was attained with these eight amino acids in presence of glucose.