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July 1959


AMA Arch Derm. 1959;80(1):132. doi:10.1001/archderm.1959.01560190134037

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The following footnote should have been included with the article entitled "The Pathogenesis of Superficial Fungous Infections in Cultured Human Skin" by Harvey Blank, M.D.; Seichiro Sagami, M.D.; Carolyn Boyd, M.S., and Frank J. Roth Jr., Ph.D., which appeared in the May issue of the Archives.

In a separate study we compared the ability of dermatophytes and nonpathogenic fungi to grow in a medium containing only keratinous material. A thick aqueous slurry was prepared of finely powdered plantar callus and added antibacterial antibiotics to control and prevent bacterial overgrowth. This medium was then inoculated with all of the common species of dermatophytes as well as 27 diverse species of saprophytic contaminant molds representing some 14 genera. All of the pathogenic forms and all except two of the saprophytic forms grew surprisingly well on this substrate. Sixteen of the saprophytic molds more luxuriantly and rapidly than did the dermatophytes. These observations

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