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江苏省农业科学院揭示调控水稻花粉发育胼胝质合成的新机制
开花植物中,胼胝质对于花粉发育,尤其是小孢子的分离和花粉壁的形成起重要作用。减数分裂后期,外周胼胝质壁对花粉外壁的发育至关重要;间隙胼胝质壁负责分隔四分体中的小孢子。胼胝质合成酶基因(glucan synthase-like,GSL)家族催化植物中胼胝质的合成。
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