supported by the National Natural Science Foundation of China(3226180451,3226180488);Guizhou Province Outstanding Young Scientific and Technological Talent Cultivation Project(Qiankehe PlatformTalent[2019]5651);Guizhou Province Science and Technology Planning Project(Qiankehe Support[2021]General 111).
Caffeine is considered as one of the most important bioactive components in the popular plant beverages tea,cacao,and coffee,but as a wide-spread plant secondary metabolite its biosynthetic regulation at transcription...