Wall formation takes place only in the micropylar part of the endosperm. The chalazal part, which remains free nuclear, becomes a narrow tube with denser cytoplasm in its elongated lower end (Figs.

Gene silencing is a negative feedback mechanism that regulates gene expression to define cell fate and also regulates metabolism and gene expression throughout the life of an organism. In plants, gene ...

College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Haixia Institute of ...