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. 2013 Sep 21;64(16):5049–5063. doi: 10.1093/jxb/ert293

Fig. 2.

Fig. 2.

Kiwifruit soluble enzyme activities associated with Suc to starch metabolism. The graph for each enzyme activity is placed in proximity to the enzyme in the simplified pathway chart: A–B, neutral invertase; C–D, sucrose phosphate synthase; E–F, acid invertase; G–H, sucrose synthase; I–J, fructokinse; K–L, hexokinase; M–N, UDP-Glc pyrophosphorylase; O–P, total phosphoglucose isomerase; Q–R, phosphoglucomutase; S–T, ADP-Glc pyrophosphorylase. t-test significance levels are reported: *P < 0.05; ** P < 0.01. Where the symbol is missing, the difference is not statistically significant. Four genotypes were examined: G3, large fruit and high starch (filled squares); G25, large fruit and low starch (open squares); G30, small fruit and high starch (filled circles), and G17, small fruit and low starch (open circles). Enzyme codes: AGPase, ADP-Glc pyrophosphorylase; A/N invertase, acid and neutral invertase; FK, fructokinase; HK, hexokinase; PGM, phosphoglucomutase; PGI, phosphoglucose isomerase (total); SPS, sucrose phosphate synthase; SuSy, sucrose synthase; UGPase, UDP-Glc pyrophosphorylase. Metabolite abbreviations: ADP-Glc, ADP-glucose; Fru-6-P, fructose-6-phosphate; Glc-1-P, glucose-1-phosphate; Glc-6-P, glucose-6-phosphate. Fruit age is in days after anthesis (DAA). Values are means of four biological replicates ±SEM. Data refer to 2009 outer pericarp samples. White boxes, metabolites; grey boxes, enzymes; bold text, measured metabolites.