Isolation and identification of Peptococcus saccharolyticus from human skin

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Abstract
P. saccharolyticus was a numerically important organism on the forehead and the antecubital fossa of the arm of about 20% of subjects studied. It was best detected by prolonged (4- to 7-day) anaerobic incubation on a suitably enriched medium but also appeared in smaller numbers in aerobic primary cultures after 4-7 days. Initial screening was based on growth patterns in shake cultures and on relative amounts of growth on aerobic and anaerobic streak plates. The organism was nonhemolytic and usually catalase positive. It produced acid anaerobically from glucose, fructose and glycerol, but not from maltose, and it did not produce lactic acid from glucose.