Abstract
ELECTROPHORETIC and genetic studies of the alkaline phosphatases in D. melanogaster have demonstrated that most of these enzymes are probably tissue specific, and are controlled by at least two separate genetic loci1,2. It was recently reported that a gene locus on chromosome III previously found to control electrophoretic mobility and enzyme activity of a larval skin phosphatase band also controls mobility and activity of the pupal phosphatase band, and it was suggested that these two phosphatases share a common molecular unit, controlled by a single gene locus3. The experiments reported here suggest that pupal phosphatase band is modified larval skin phosphatase which has been altered by exposure to larval gut enzymes in early pupation.
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References
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SCHNEIDERMAN, H. Alkaline Phosphatase Relationships in Drosophila. Nature 216, 604–605 (1967). https://doi.org/10.1038/216604a0
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DOI: https://doi.org/10.1038/216604a0
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