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J Bacteriol. 1969 October; 100(1): 47-50
Copyright © 1969 American Society for Microbiology. All Rights Reserved.

Violagabriellae Variant of Staphylococcus epidermidis on Normal Human Skin

¹ Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104

ABSTRACT

Twenty-seven strains of a reddish violet pigment-producing variety of Staphylococcus epidermidis have been recovered from normal human skin. They closely resemble the previously unique Castellani strain, named Micrococcus violagabriellae, which was placed by K. J. Steel in S. epidermidis. These strains are classified as S. epidermidis by using the Baird-Parker schema; however, besides the pigment produced, they also differ from S. epidermidis in proteolytic activity and effect on litmus milk. The variety seems to be part of the normal flora of the human axilla.