1Shanghai Center for Plant Stress Biology and Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, China 2Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA
**Correspondences:
Email: Mugui Wang (mgwang@sibs.ac.cn), Jian-Kang Zhu (jkzhu@sibs.ac.cn,
Dr. Zhu is fully responsible for the distribution of all materials associated with this article.)