Yangkang Chen1,
Yi Wang1, Jialiang Li1, Wentao Wang1, Duanyu
Feng2, Kangshan Mao1*
1 Key Laboratory for Bio-resources and Eco-environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu, 610065
2 College of
Mathematics, Sichuan University, Chengdu, 610065