Transcriptional repression specifies the central cell for double fertilization

doi:10.1073/pnas.1909465117

CORC > 植物研究所 > 中国科学院植物研究所 > 系统与进化植物学国家重点实验室

	Transcriptional repression specifies the central cell for double fertilization
	Zhang, Meng-Xia ; Zhu, Shan-Shan ; Xu, Yong-Chao ; Guo, Ya-Long ; Yang, Wei-Cai ; Li, Hong-Ju
刊名	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
	2020
卷号	117 期号:11 页码:6231-6236
关键词	double fertilization central cell specification central cell evolution transcriptional repression
ISSN号	0027-8424
DOI	10.1073/pnas.1909465117
文献子类	Article
英文摘要	Double fertilization is a key innovation for the evolutionary success of angiosperms by which the two fertilized female gametes, the egg cell and central cell, generate the embryo and endosperm, respectively. The female gametophyte (embryo sac) enclosed in the sporophyte is derived from a one-celled haploid cell lineage. It undergoes successive events of mitotic divisions, cellularization, and cell specification to give rise to the mature embryo sac, which contains the two female gametes accompanied by two types of accessory cells, namely synergids and antipodals. How the cell fate of the central cell is specified has long been equivocal and is further complicated by the structural diversity of female gametophyte across plant taxa. Here, MADS-box protein AGL80 was verified as a transcriptional repressor that directly suppresses the expression of accessory cell-specific genes to specify the central cell. Further genetic rescue and phylogenetic assay of the AGL80 orthologs revealed a possible conserved mechanism in the Brassicaceae family. Results from this study provide insight into the molecular determination of the second female gamete cell in Brassicaceae.
学科主题	Multidisciplinary Sciences
出版地	WASHINGTON
WOS关键词	FEMALE GAMETOPHYTE DEVELOPMENT ; HISTIDINE KINASE CKI1 ; POLLEN-TUBE GUIDANCE ; SEED DEVELOPMENT ; MYB98 ; AGL80 ; FATE ; ACTS
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATL ACAD SCIENCES
WOS记录号	WOS:000520011000088
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31622010, 31870295, 31270351, 31330053] ; Ten Thousand Talents Program [W03070036]
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/21855]
专题	系统与进化植物学国家重点实验室
作者单位	1.[Zhang, Meng-Xia 2.Zhu, Shan-Shan 3.Yang, Wei-Cai 4.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Mol & Dev Biol, Beijing 100101, Peoples R China 5.[Xu, Yong-Chao 6.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China 7.Univ Chinese Acad Sci, Coll Adv Agr Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Meng-Xia,Zhu, Shan-Shan,Xu, Yong-Chao,et al. Transcriptional repression specifies the central cell for double fertilization[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2020,117(11):6231-6236.
APA	Zhang, Meng-Xia,Zhu, Shan-Shan,Xu, Yong-Chao,Guo, Ya-Long,Yang, Wei-Cai,&Li, Hong-Ju.(2020).Transcriptional repression specifies the central cell for double fertilization.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,117(11),6231-6236.
MLA	Zhang, Meng-Xia,et al."Transcriptional repression specifies the central cell for double fertilization".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 117.11(2020):6231-6236.