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Article

Transcriptional repression specifies the central cell for double fertilization.

Proceedings of the National Academy of Sciences of the United States of America - 17 Mar 2020

Zhang Meng-Xia, Zhu Shan-Shan, Xu Yong-Chao, Guo Ya-Long, Yang Wei-Cai, Li Hong-Ju

Abstract excerpt

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...

Topics

AGAMOUS Protein, Arabidopsis
Arabidopsis
Arabidopsis Proteins
Endosperm
Fertilization
Gene Expression Regulation, Plant
Mutation
Ovule
Phylogeny
Plants, Genetically Modified

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Transcription Factors

Transcription, Genetic

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Identifiers

PMID: 32132210
DOI: 10.1073/pnas.1909465117
PMCID: PMC7084083

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