Article
Simultaneous knockout of cytosolic and plastidial disproportionating enzymes disrupts grain setting and filling in rice.
Plant physiology - 1 Oct 2024
Dong Xiangbai, Yang Huifang, Chai Yaru, Han Bin, Liu Jinxin, Tian Lihong, Cui Shuai, Xiong Shuo, Zhong Manfang, Fu Bo, Qu Le Qing
Abstract excerpt
Rice (Oryza sativa) plants contain plastidial and cytosolic disproportionating enzymes (DPE1 and DPE2). Our previous studies showed that DPE2 acts on maltose, the major product of starch degradation in pollens, releasing one glucose to fuel pollen tube growth and fertilization, whereas DPE1 participates in endosperm starch synthesis by transferring maltooligosyl groups from amylose to amylopectin, and removing...
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