Figures (5)  Tables (1)
    • Figure 1.  Content of sucrose, caffeine and chlorogenic acid in 18 Robusta and Arabica varieties.

    • Figure 2.  Number of DEGs at different developmental stages in A161 and R6.

    • Figure 3.  Seven biological processes of GO terms enriched by most significantly different DEGs.

    • Figure 4.  Sixteen KEGG pathways were selected to elucidate the main differences between the growth stages in A161 or R6.

    • Figure 5.  Candidate DEGs validated by qRT-PCR resulted in different content of sucrose and FT-related metabolites.

    • MetabolismGene nameGene ID
      Sucrose biosynthesisSucrose SynthetaseCc06_g12680
      Sucrose Phosphate SynthaseCc06_g07910
      HexokinaseCc01_g17570
      Caffeine synthesis7-methyl-xanthine synthaseCc09_g06970
      theobromine synthetaseCc09_g07000
      caffeine synthaseCc01_g00560
      Phenolic metabolismshikimate dehydrogenaseCc01_g20200
      4-coumaryl coe-nzyme ligaseCc10_g00840
      chalcone isomeraseCc02_g05390
      anthocyanin reductaseCc11_g10630
      Terpene metabolism3-Hydroxy-3-MethylGlutaryl CoA ReductaseCc07_g12220
      linalool synthaseCc02_g12790
      geranyl geranyl pyrophosphate synthaseCc07_g09060
      carotenoid cleavage dioxygenaseCc08_g05610
      carotenoid cleavage dioxygenaseCc08_g09540

      Table 1.  Fifteen genes related to coffee quality screened out for qRT-PCR.