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Male gametophyte development in flowering plants: A story of quarantine and sacrifice
Liu, Lingtong; Wang, Tai1,2
2021
发表期刊JOURNAL OF PLANT PHYSIOLOGY
ISSN0176-1617
卷号258
摘要Over 160 years ago, scientists made the first microscopic observations of angiosperm pollen. Unlike in animals, male meiosis in angiosperms produces a haploid microspore that undergoes one asymmetric division to form a vegetative cell and a generative cell. These two cells have distinct fates: the vegetative cell exits the cell cycle and elongates to form a tip-growing pollen tube; the generative cell divides once more in the pollen grain or within the growing pollen tube to form a pair of sperm cells. The concept that male germ cells are less active than the vegetative cell came from biochemical analyses and pollen structure anatomy early in the last century and is supported by the pollen transcriptome data of the last decade. However, the mechanism of how and when the transcriptional repression in male germ cells occurs is still not fully understood. In this review, we provide a brief account of the cytological and metabolic differentiation between the vegetative cell and male germ cells, with emphasis on the role of temporary callose walls, dynamic nuclear pore density, transcription repression, and histone variants. We further discuss the intercellular movement of small interfering RNA (siRNA) derived from transposable elements (TEs) and reexamine the function of TE expression in male germ cells.
关键词Pollen development Male gametophyte Germ cells Transposable element siRNA LAT52
学科领域Plant Sciences
DOI10.1016/j.jplph.2021.153365
收录类别SCI
语种英语
WOS关键词MALE GERM UNIT ; GENERATIVE CELL ; SPERM CELLS ; TRANSPOSABLE ELEMENTS ; VEGETATIVE CELLS ; POLLEN DEVELOPMENT ; DNA METHYLATION ; NONCODING RNAS ; HISTONE H1 ; TRANSCRIPTOME ANALYSIS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000633225100011
出版者ELSEVIER GMBH
文献子类Review
出版地MUNICH
EISSN1618-1328
资助机构National Natural Science Foundation of China [32000247]
作者邮箱ltliu@ibcas.ac.cn ; twang@ibcas.ac.cn
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/26677
专题中科院植物分子生理学重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Coll Life Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Seed Design, Beijing 100093, Peoples R China
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GB/T 7714
Liu, Lingtong,Wang, Tai. Male gametophyte development in flowering plants: A story of quarantine and sacrifice[J]. JOURNAL OF PLANT PHYSIOLOGY,2021,258.
APA Liu, Lingtong,&Wang, Tai.(2021).Male gametophyte development in flowering plants: A story of quarantine and sacrifice.JOURNAL OF PLANT PHYSIOLOGY,258.
MLA Liu, Lingtong,et al."Male gametophyte development in flowering plants: A story of quarantine and sacrifice".JOURNAL OF PLANT PHYSIOLOGY 258(2021).
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