Fang-Yan Chen1, Xiao-Ya Chen1, Ying-Bo Mao2. 1. Chinese Academy of Sciences (CAS) Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, 200032, Shanghai, China. 2. Chinese Academy of Sciences (CAS) Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, 200032, Shanghai, China. ybmao@sibs.ac.cn.