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Biol Bull 142: 281-292. (April 1972)
© 1972 Marine Biological Laboratory
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INJURY INDUCED MOLTING IN GALLERIA MELLONELLA LARVAE

A. KRISHNAKUMARAN 1

1 Department of Biology, Marquette University, Milwaukee, Wisconsin 53233

1. Injury to less than 1-day-old last instar larvae of Galleria induced an additional larval molt.

2. 4 and 6-day-old larvae on injury delay their succeeding pupal molt.

3. Injury induction of an additional molt as well as the delay of molting appear to be mediated via the brain.

4. Brains from injured early last instar larvae, unlike those of the uninjured larvae, appear to possess prothoracotropic and allatotropic activities.

5. During an injury induced molt the epidermal cells do not engage in DNA synthesis to the same extent as in the normal larval molts.

6. The relevance of these results in the analysis of control of molting and DNA synthesis is discussed.






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Copyright © 1972 by the Marine Biological Laboratory.