The different effects of starch synthase IIa mutations or variation on endosperm amylose content of barley, wheat and rice are determined by the distribution of starch synthase I and starch branching enzyme IIb between the starch granule and amyloplast stroma
Luo, Jixun; Ahmed, Regina; Kosar‑Hashemi, Behjat; Larroque, Oscar; Butardo Jr, Vito M.; Tanner, Gregory J; Colgrave, Michelle L; Upadhyaya, Narayana M; Tetlow, Ian J.; Emes, Michael J.; Millar, Anthony; Jobling, Stephen A; Morell, Matthew K; Li, Zhongyi
Key message: The distribution of starch synthase I and starch branching enzyme IIb between the starch granule and amyloplast stroma plays an important role in determining endosperm amylose content of cereal grains. Abstract: Starch synthase IIa (SSIIa) catalyses the polymerisation of intermediate length glucan chains of amylopectin in the endosperm of cereals. Mutations of SSIIa genes in barley and wheat and inactive SSIIa variant in rice induce similar effects on the starch structure and the...[Show more]
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|Source:||Theoretical and Applied Genetics|
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