A glutathione S-transferase(GST)gene IbGSTL2 was cloned and characterized from sweetpotato.It harbored a variation associated with starch content in storage roots.Overexpression of IbGSTL2 increased starch content and...A glutathione S-transferase(GST)gene IbGSTL2 was cloned and characterized from sweetpotato.It harbored a variation associated with starch content in storage roots.Overexpression of IbGSTL2 increased starch content and amylopectin proportion,decreased gelatinization temperature,and improved degree of crystallinity in sweetpotato storage roots,while its RNA interference resulted in the opposite trends.IbGSTL2 physically interacted with IbcPGM,an enzyme of sucrose metabolism,and improve starch content and quality by regulating genes involved in starch biosynthesis.展开更多
基金supported by the National Key Research and Development Program of China (2023YFD1200701/2023YFD1200700)the Earmarked Fund for CARS-10-Sweetpotato.
文摘A glutathione S-transferase(GST)gene IbGSTL2 was cloned and characterized from sweetpotato.It harbored a variation associated with starch content in storage roots.Overexpression of IbGSTL2 increased starch content and amylopectin proportion,decreased gelatinization temperature,and improved degree of crystallinity in sweetpotato storage roots,while its RNA interference resulted in the opposite trends.IbGSTL2 physically interacted with IbcPGM,an enzyme of sucrose metabolism,and improve starch content and quality by regulating genes involved in starch biosynthesis.