1. Tea Research Institute, Chinese Academy of Agricultural Sciences , Hangzhou 310008 , China
2. Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants (Ministry of Agriculture and Rural Affairs) , Hangzhou 310008 , China
3. College of Tea and Food Science, Wuyi University , Wuyishan 354300 , China
4. Department of Botany and Plant Sciences, Institute of Integrative Genome Biology, University of California , Riverside, CA 92521 , USA
5. Key Laboratory for Biology of Horticultural Plants, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University , Wuhan 430070 , China
6. College of Horticulture, Sichuan Agricultural University , Chengdu 611130 , China
7. Max-Planck-Institute of Molecular Plant Physiology , Am Muehlenberg 1, 14476 Potsdam-Golm , Germany