【摘 要】
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Dear Editor,Embryogenesis is a critical developmental stage during the life cycle of flowering plants.During embryogenesis,the first round of asymmetric cell di
【机 构】
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Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beij
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Dear Editor,Embryogenesis is a critical developmental stage during the life cycle of flowering plants.During embryogenesis,the first round of asymmetric cell division in the zygote is followed by a series of cellular events,including cell division (symmetric or asymmetric) and directional cell expansion to generate the apical-basal axis,radial and lateral symmetry,and pattes of different cell fates for initiation of different organ primordia,which lay the foundation for post-embryonic development (Jurgens,2001;Wendrich and Weijers,2013).Arabidopsis embryogenesis is considered a morphogenesis model from which to dissect the underlying cellular basis by combining powerful genetic and genomic approaches (Wendrich and Weijers,2013).However,direct visualization of cellular and subcellular structures in real time is challenging because the embryo is embedded deep within mateal tissues.
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