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Appl Environ Microbiol. 1968 February; 16(2): 340-342
Copyright © 1968 American Society for Microbiology. All Rights Reserved.
Department of Biochemistry, University College of Science, Calcutta-19, India
ABSTRACT
The individual colonies of a partially degenerated culture of Aspergillus versicolor vary widely in their ability to produce an antibiotic active against Trichophyton rubrum. Mutagenic treatment with nitrous acid or ultraviolet light gave potent colonies. Nitrous acid gave better results in terms of stability and yield. This treatment may therefore prove useful in the regeneration of partially degenerated cultures.
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