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Appl Environ Microbiol. 1963 March; 11(2): 154-156

Effects of Ultraviolet-Absorbing Compounds on Spore Germination and Cultural Variation in Microorganisms

Marjorie A. Darken and Marjorie E. Swift

Biochemical Research Section, Lederle Laboratories Division, American Cyanamid Company, Pearl River, New York

ABSTRACT

A brightener and a nonfluorescent ultraviolet absorber were found to be associated with an increase in the per cent of spore germination and cultural variation in a streptomycete and a Penicillium. When the brightener was combined with ultraviolet light, more variants were obtained than with either ultraviolet or brightener alone. This effect occurred at concentrations of brightener substantially greater than those used for fluorescent labeling.

Appl Environ Microbiol. 1963 March; 11(2): 154-156






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