Abstract
Five hours after the injection of glucosamine into the hemolymph of Drosophila virilis larvae, puff 55E in the salivary gland chromosomes is significantly reduced in its activity. This observation in connection with the circumstances under which the activity of puff 55E decreases during normal development led to the proposition that its activity is involved in mucoprotein synthesis in the salivary glands during the third larval instar. Factors that may regulate the activity of puff 55E are discussed.
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Kress, H. Specific repression of a puff in the salivary gland chromosomes of Drosophila virilis after injection of glucosamine. Chromosoma 40, 379–386 (1973). https://doi.org/10.1007/BF00399429
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DOI: https://doi.org/10.1007/BF00399429