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Mutation in Polycomb repressive complex 2 gene OsFIE2 promotes asexual embryo formation in rice.

Nature plants - 1 Nov 2023

Wu Xiaoba, Xie Liqiong, Sun Xizhe, Wang Ningning, Finnegan E Jean, Helliwell Chris, Yao Jialing, Zhang Hongyu, Wu Xianjun, Hands Phil, Lu Falong, Ma Lisong, Zhou Bing, Chaudhury Abed, Cao Xiaofeng, Luo Ming

Abstract excerpt

Prevention of autonomous division of the egg apparatus and central cell in a female gametophyte before fertilization ensures successful reproduction in flowering plants. Here we show that rice ovules of Polycomb repressive complex 2 (PRC2) Osfie1 and Osfie2 double mutants exhibit asexual embryo and autonomous endosperm formation at a high frequency, while ovules of single Osfie2 mutants display asexual...

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Identifiers

PMID: 37814022
DOI: 10.1038/s41477-023-01536-4
PMCID: PMC10654051

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Mutation in Polycomb repressive complex 2 gene OsFIE2 promotes asexual embryo formation in rice.PMID 37814022Read ↗

OsFIE2 plays an essential role in the regulation of rice vegetative and reproductive development.Semantic proximity Read ↗

Mutation of the imprinted gene OsEMF2a induces autonomous endosperm development and delayed cellularization in rice.Semantic proximity Read ↗

The maternally expressed polycomb group gene OsEMF2a is essential for endosperm cellularization and imprinting in rice.Semantic proximity Read ↗

Polycomb Protein OsFIE2 Affects Plant Height and Grain Yield in Rice.Semantic proximity Read ↗

Polycomb repressive complex 2 controls the embryo-to-seedling phase transition.Semantic proximity Read ↗

Mutations in FIE, a WD polycomb group gene, allow endosperm development without fertilization.Semantic proximity Read ↗

FERTILIZATION-INDEPENDENT SEED-Polycomb Repressive Complex 2 Plays a Dual Role in Regulating Type I MADS-Box Genes in Early Endosperm Development.Semantic proximity Read ↗

Mutations in the FIE and MEA genes that encode interacting polycomb proteins cause parent-of-origin effects on seed development by distinct mechanisms.Semantic proximity Read ↗

DEFORMED FLORAL ORGAN1 (DFO1) regulates floral organ identity by epigenetically repressing the expression of OsMADS58 in rice (Oryza sativa).Semantic proximity Read ↗

The polycomb group gene EMF2B is essential for maintenance of floral meristem determinacy in rice.Semantic proximity Read ↗

Control of fertilization-independent endosperm development by the MEDEA polycomb gene in Arabidopsis.Semantic proximity Read ↗

Polycomb group proteins are required to couple seed coat initiation to fertilization.Semantic proximity Read ↗

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