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Formation of archegonium chamber is associated with nucellar-cell programmed cell death in Ginkgo biloba
Li, Da-Hui; Yang, Xiong; Cui, Ke-Ming
关键词archegonium chamber calcium ion Ginkgo biloba nucellar cell programmed cell death
刊名PROTOPLASMA
2007-10-01
DOI10.1007/s00709-007-0257-8
231期:3-4页:173-181
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Plant Sciences ; Cell Biology
研究领域[WOS]Plant Sciences ; Cell Biology
关键词[WOS]HYPERSENSITIVE RESPONSE ; APOPTOSIS ; CALCIUM ; MITOCHONDRIA ; SENESCENCE ; TOBACCO ; OVULE
英文摘要

The archegonium chamber in Ginkgo biloba L. is a pathway for spermatozoids swimming towards the archegonium for fertilization. The objective of this study was to elucidate the mechanism of archegonium chamber formation. The terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling assay and DNA ladder demonstrated that the nucellar cell death, coordinated with the archegonium chamber formation, was a process of programmed cell death. Cytochemical localization of Ca2+ in these nucellar cells was determined by means of in situ precipitation with potassium pyroantimonate and electron microscopic visualization, in order to study the relation between Ca2+ and programmed cell death. The results showed an early uptake of the mitochondrial calcium particles in the nucellar cells undergoing programmed cell death. Together with other dynamic changes in Ca2+ subcellular distribution, this indicates that Ca2+ may play a role in the regulation of mitochondria-mediated programmed events in the nucellar cells.

语种英语
WOS记录号WOS:000250066600007
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/66017
专题北京大学药学院
作者单位1.Peking Univ, Sch Pharmaceut Sci, Beijing 100083, Peoples R China
2.Peking Univ, Coll Life Sci, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Li, Da-Hui,Yang, Xiong,Cui, Ke-Ming. Formation of archegonium chamber is associated with nucellar-cell programmed cell death in Ginkgo biloba[J]. PROTOPLASMA,2007,231(3-4):173-181.
APA Li, Da-Hui,Yang, Xiong,&Cui, Ke-Ming.(2007).Formation of archegonium chamber is associated with nucellar-cell programmed cell death in Ginkgo biloba.PROTOPLASMA,231(3-4),173-181.
MLA Li, Da-Hui,et al."Formation of archegonium chamber is associated with nucellar-cell programmed cell death in Ginkgo biloba".PROTOPLASMA 231.3-4(2007):173-181.
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