1. College of Sericulture Textile and Biomass Sciences Southwest University Chongqing 400716 P. R. China
2. Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile Chongqing 400716 P. R. China
3. State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing 400716 P. R. China
4. National Manufacturing Innovation Center of Advanced Dyeing and Finishing Technology Shanghai 201620 P. R. China