Comparison of a novel tomato sucrose synthase, SlSUS4, with previously described SlSUS isoforms reveals distinct sequence features and differential expression patterns in association with stem maturation.

Abstract excerpt

Sucrose synthase (SUS) plays a role in many contexts of sugar metabolism, including low-oxygen and low-ATP respiration and the synthesis of cellulose. In tomato (Solanum lycopersicum), as in many plants, SUS is encoded by genes at several independent loci. Here, we report the isolation of a novel tomato SUS (SlSUS) isoform, SlSUS4, that is homologous to potato SUS isoform 1 (StSUS1) and also shows greater...

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