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Nutritional Studies in the Genus Radiomyces

Robert W. Embree
Bulletin of the Torrey Botanical Club
Vol. 90, No. 3 (May - Jun., 1963), pp. 178-186
Published by: Torrey Botanical Society
DOI: 10.2307/2482752
Stable URL: http://www.jstor.org/stable/2482752
Page Count: 9
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Nutritional Studies in the Genus Radiomyces
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Abstract

Studies were made on the carbon and nitrogen nutrition of the two species of Radiomyces (Mucorales, Phycomycetes). Glucose, fructose and mannose supported growth but galactose did not. Trehalose was the only disaccharide utilized; no growth occurred on maltose, cellobiose, sucrose and lactose. Ammonium sulfate, asparagine and casein-hydrolysate were all used as nitrogen sources but KNO3 was not. Terhalose and asparagine were more readily utilized by R. embreei than by R. spectabilis. No external source of vitamins was required by either species.

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