Figures (3)  Tables (1)

    • Figure 1. 

      Heatmap illustrating the pairwise correlations among 37 photosynthesis-related traits, with clustered traits showing interrelatedness.

    • Figure 2. 

      Principal component analysis: (a) Genomic data, (b) photosynthesis-related traits.

    • Figure 3. 

      Genome-wide association study. (a) Manhattan plot for FvP/FmP, the most significant photosynthesis-related trait, and its phenotypic variation across 71 citrus accessions. (b)−(k) Manhattan plots for the remaining 10 traits, which include ecs_max, B, ecs_initial, ecs_r_squared, FmPrime, NPQt, SPAD raw 3, SPAD 880, Fs, and vH+.

    • DescriptionCountp-valueFDR
      BP
      GO:0006470Protein dephosphorylation7/82 86/125561.3E-063.18E-03
      GO:0006096Glycolytic process6/82 65/125563.72E-064.54E-03
      GO:0140021Mitochondrial ADP transmembrane transport3/82 9/125562.17E-051.77E-02
      GO:1990544Mitochondrial ATP transmembrane transport3/82 9/125562.17E-051.33E-02
      GO:0007275Multicellular organism development4/82 29/125563.43E-051.68E-02
      GO:0045040Protein insertion into mitochondrial outer membrane2/82 3/125561.26E-045.11E-02
      GO:0000184Nuclear-transcribed mRNA catabolic process, nonsense-mediated decay3/82 19/125562.35E-048.21E-02
      GO:0006468Protein phosphorylation2/82 1611/125569.04E-042.76E-01
      MF
      GO:0047334Diphosphate-fructose-6-phosphate 1-phosphotransferase activity5/111 9/200765.82E-101.42E-06
      GO:00038726-phosphofructokinase activity5/111 17/200762.74E-083.35E-05
      GO:0004722Protein serine/threonine phosphatase activity7/111 64/200766.02E-084.9E-05
      GO:0005471ATP:ADP antiporter activity3/111 11/200762.6E-051.59E-02
      GO:0016791Phosphatase activity8/111 233/200764.02E-051.97E-02
      GO:0043169Cation binding5/111 82/200768.56E-053.48E-02
      GO:0003968RNA-directed 5'-3' RNA polymerase activity2/111 3/200769.04E-053.15E-02
      GO:0016757Transferase activity, transferring glycosyl groups6/111 205/200768.36E-042.55E-01

      Table 1. 

      Pathway analysis annotated with Biological Process (BP) and Molecular Function (MF) terms based on 189 genes.