Abstract
Three mutant strains (ATCC 9277, ATCC 9278, ATCC 9683) of Neurospora crassa requiring choline, inositol, and p-aminobenzoic acid respectively for normal growth were deposited at the ATCC by G. W. Beadle 30 years ago and were preserved at various time intervals by freeze-drying. Each preservation batch yielded cultures that, when used for biological assays, exhibited the same biochemical properties as they originally possessed. The freeze-drying technique is shown to be applicable to preserving biological properties of sporulating fungi for bioassay over prolonged periods of time.
Publisher
Canadian Science Publishing
Subject
Genetics,Molecular Biology,Applied Microbiology and Biotechnology,General Medicine,Immunology,Microbiology
Cited by
3 articles.
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