PJB-1973-5
SOME GROWTH PROPERTIES OF HAPLOID AND DIPLOID STRAINS OF PROTO MYCES INUNDATUS
M. SALIH AHMAD
Abstract
The fungus Protomyces
inundatus Dangeard grows readily in liquid culture, budding in a yeast like fashion. Glucose saturation constant is
0.45 X 10-5M, while the maximum exponential growth rate is 0.136 divisions per hour. T liamine is required for g -owth and it can not be replaced with pyrimidine or thiazole moieties when present in the
medium alone or simultaneously. This
fungus can utilize a number of nitrogen or carbon sources. No differences are found in the haploid and diploid strains for the growth properties studied. The
differences in the behaviour of nucleic acids in haploid and diploid strains are discussed in the light of this new investigation.
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