6Nadel M R, Goldsmith M R, Goplerud J, et al. V. A secretory defect of chorion formation in the Gr^col mutant of Bombyx mori [ J ]. Dev Biol, 1980, 75(1) : 41 -58
7Swevers L, Iatrou K. The ecdysone regulatory cascade and ovarian development in lepidopteran insects: insights from the silkmoth paradigm[ J]. Insect Biochem Mol Biol, 2003, 33:1285 -1297