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. 2022 Sep 8;13:971506. doi: 10.3389/fpls.2022.971506

FIGURE 7.

FIGURE 7

Regulatory model and expression levels of the genes related to sucrose metabolism and accumulation in pineapple fruits. From blue to red in the heatmap indicates the expression levels of the genes ranging from low to high in two pineapple cultivars throughout fruit development. M1, M2, M3, and M4 represented fruit flesh samples for M at 40, 80, 100, and 120 DAA, respectively, and B1, B2, and B3 represented fruit flesh samples for B at 40, 80, and 100 DAA, respectively. CWINV, cell wall invertase; CWINH, cell-wall invertase inhibitor; VINV, vacuolar acid invertase; VINH, vacuolar acid invertase inhibitor; SUSY, sucrose synthase; SPS, sucrose phosphate synthase; HK, hexokinase; PFK, phosphofructokinase; SUT, sucrose transporters; SWEET, sugars will eventually be exported transporter; ERDL6, glucose exporter early response to dehydration like 6; Suc, sucrose; Glc, glucose; Fru, fructose; UDPG, UDP-glucose; G6P, glucose-6-phosphate; F6P, fructose-6-phosphate; F1, 6P, fructose-1, 6-phosphate.