ACKNOWLEDGEMENTS
This work was supported by the National Key Research and Development
Program of China (2019YFD1001105, 2018YFD1000500), the Central
Public-interest Scientific Institution Basal Research Fund for Chinese
Academy of Tropical Agricultural Sciences (1630052021026), Hainan
Provincial Natural Science Foundation of China (320MS097), and the
Natural Science Foundation of China (31701484). We are grateful to Dr.
Hongwei Guo and Dr. Kang Yan for providing plasmids 6xMS2 and MSCP.