Regulation of amylase activity in Drosophila melanogaster: variation in the number of enzyme molecules produced by different amylase genotypes
- PMID: 6170292
- DOI: 10.1007/BF00484009
Regulation of amylase activity in Drosophila melanogaster: variation in the number of enzyme molecules produced by different amylase genotypes
Abstract
Purified amylases from high- and low-activity variants of Drosophila melanogaster showed identical specific activities. Immunoelectrophoresis of crude larval homogenates showed severalfold differences between strains in the amounts of cross-reacting material. Control of amylase activity is "trans"-acting in heterozygotes between high- and low-activity variants. These results suggest the existence of polymorphic regulatory genes affecting the production levels of amylase protein in D. melanogaster.
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