1. Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
2. Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
3. Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
4. Institute of Plant Genetics and Developmental Biology, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang 321004, China
5. Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun 130000, China
6. Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada