ArticleThe New phytologist2021
Auxin efflux controls orderly nucellar degeneration and expansion of the female gametophyte in Arabidopsis.
Article in The New phytologist, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 36 citations in OpenAlex.
- Fungus Derived Indole-3-Acetic Acid Controls Developmental Conidial Death in Magnaporthe oryzae.Molecular plant pathology · 2026Article
- MADS31 supports female germline development by repressing the post-fertilization programme in cereal ovules.Nature plants · 2025Article
- Female gametophyte development is required for nucellar-tip degeneration during Arabidopsis ovule development.Planta · 2024Article
- Development of pollinated and unpollinated ovules in Ginkgo biloba: unravelling the role of pollen in ovule tissue maturation.Journal of experimental botany · 2024Article
- Maternal nitric oxide homeostasis impacts female gametophyte development under optimal and stress conditions.The Plant cell · 2024Article
- Article
- Spatiotemporal formation of the large vacuole regulated by the BIN2-VLG module is required for female gametophyte development in Arabidopsis.The Plant cell · 2023Article
- Transcription factors KNAT3 and KNAT4 are essential for integument and ovule formation in Arabidopsis.Plant physiology · 2023Article
- Focus on Nitric Oxide Homeostasis: Direct and Indirect Enzymatic Regulation of Protein Denitrosation Reactions in Plants.Antioxidants (Basel, Switzerland) · 2022Review
- PIN3 positively regulates the late initiation of ovule primordia in Arabidopsis thaliana.PLoS genetics · 2022Article
- Expression analysis ofFrontiers in plant science · 2022Article
- Tonoplast proton pumps regulate nuclear spacing of female gametophytesFrontiers in plant science · 2022Article
- Corrigendum.The New phytologist · 2021Article
- Dosage-Dependent Gynoecium Development and Gene Expression inPlants (Basel, Switzerland) · 2021Article
- The Rab Geranylgeranyl Transferase Beta Subunit Is Essential for Embryo and Seed Development inInternational journal of molecular sciences · 2021Article
- Quantitative Proteome Profiling of aFrontiers in plant science · 2021Article
Corrections and comments
- Erratum issuedCorrigendum.2021
Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The nucellus tissue in flowering plants provides nutrition for the development of the female gametophyte (FG) and young embryo. The nucellus degenerates as the FG develops, but the mechanism controlling the coupled process of nucellar degeneration and FG expansion remains largely unknown. The degeneration process of the nucellus and spatiotemporal auxin distribution in the developing ovule before fertilization were investigated in Arabidopsis thaliana. Nucellar degeneration before fertilization occurs through vacuolar cell death and in an ordered degeneration fashion. This sequential nucellar degeneration is controlled by the signalling molecule auxin. Auxin efflux plays the core role in precisely controlling the spatiotemporal pattern of auxin distribution in the nucellus surrounding the FG. The auxin efflux carrier PIN1 transports maternal auxin into the nucellus while PIN3/PIN4/PIN7 further delivers auxin to degenerating nucellar cells and concurrently controls FG central vacuole expansion. Notably, auxin concentration and auxin efflux are controlled by the maternal tissues, acting as a key communication from maternal to filial tissue.
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