Cytodifferentiation during Insect Metamorphosis: The Galea of Silkmoths
- 2 August 1968
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 161 (3840), 470-472
- https://doi.org/10.1126/science.161.3840.470
Abstract
In the galea of silkmoths undergoing metamorphosis, generalized epidermal cells, which had previousty secreted pupal cuticle, transform into highly specialized cells producing a new protein, the enzyme cocoonase. These cells first segregate by mitosis and displacement, then grow rapidly through endomitosis and accumulation of RNA-rich cytoplasm, and finally begin rapid synthesis of cocoonase. Replication of DNA continues in fully differentiated cells synthesizing cocoonase.Keywords
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