Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn|Department of Biological Sciences, USC, Los Angeles, CA 90089, USA. wangying@xmu.edu.cn