Zha, Xingfu, 1. State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715; 2. Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715; 3. Chongqing engineering and technology research center for novel silk materials, Southwest University, Chongqing 400715, China