ArticlePlant reproduction2014
High humidity partially rescues the Arabidopsis thaliana exo70A1 stigmatic defect for accepting compatible pollen.
Article in Plant reproduction, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 35 citations in OpenAlex.
- Deciphering the Transcriptomic Dynamics of Self-Incompatibility in Yellow Passion Fruit: Evidence of Modified Sporophytic Mechanism.Plants (Basel, Switzerland) · 2026Article
- Genome-wide identification of theFrontiers in plant science · 2026Article
- The Arabidopsis SNARE complex genes regulate the early stages of pollen-stigma interactions.Plant reproduction · 2024Article
- A signal-like role for floral humidity in a nocturnal pollination system.Nature communications · 2022Article
- Autophagy is required for self-incompatible pollen rejection in two transgenic Arabidopsis thaliana accessions.Plant physiology · 2022Article
- Article
- COPI complex isoforms are required for the early acceptance of compatible pollen grains in Arabidopsis thaliana.Plant reproduction · 2020Article
- Investigations into a putative role for the novel BRASSIKIN pseudokinases in compatible pollen-stigma interactions in Arabidopsis thaliana.BMC plant biology · 2019Article
- Identification of a role for an E6-like 1 gene in early pollen-stigma interactions in Arabidopsis thaliana.Plant reproduction · 2019Article
- PCP-B class pollen coat proteins are key regulators of the hydration checkpoint in Arabidopsis thaliana pollen-stigma interactions.The New phytologist · 2017Article
- Identification of Interacting Motifs Between Armadillo Repeat Containing 1 (ARC1) and Exocyst 70 A1 (Exo70A1) Proteins in Brassica oleracea.The protein journal · 2016Article
- Unconventional protein secretion in plants: a critical assessment.Protoplasma · 2016Review
- Tethering Complexes in the Arabidopsis Endomembrane System.Frontiers in cell and developmental biology · 2016Review
- Disruption of OsEXO70A1 Causes Irregular Vascular Bundles and Perturbs Mineral Nutrient Assimilation in Rice.Scientific reports · 2015Article
- RNA Silencing of Exocyst Genes in the Stigma Impairs the Acceptance of Compatible Pollen in Arabidopsis.Plant physiology · 2015Article
- Identification and characterization of a novel group of legume-specific, Golgi apparatus-localized WRKY and Exo70 proteins from soybean.Journal of experimental botany · 2015Article
- The ARC1 E3 ligase promotes a strong and stable self-incompatibility response in Arabidopsis species: response to the Nasrallah and Nasrallah commentary.The Plant cell · 2014Article
- Commonalities and differences between Brassica and Arabidopsis self-incompatibility.Horticulture research · 2014Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have previously proposed that Exo70A1 is required in the Brassicaceae stigma to control the early stages of pollen hydration and pollen tube penetration through the stigmatic surface, following compatible pollination. However, recent work has raised questions regarding Arabidopsis thaliana Exo70A1's expression in the stigma and its role in stigma receptivity to compatible pollen. Here, we verified the expression of Exo70A1 in stigmas from three Brassicaceae species and carefully re-examined Exo70A1's function in the stigmatic papillae. With previous studies showing that high relative humidity can rescue some pollination defects, essentially bypassing the control of pollen hydration by the Brassicaceae dry stigma, the effect of high humidity was investigated on pollinations with the Arabidopsis exo70A1-1 mutant. Pollinations under low relative humidity resulted in a complete failure of wild-type compatible pollen acceptance by the exo70A1-1 mutant stigma as we had previously seen. However, high relative humidity resulted in a partial rescue of the exo70A1-1 stigmatic papillar defect resulting is some wild-type compatible pollen acceptance and seed set. Thus, these results reaffirmed Exo70A1's proposed role in the stigma regulating compatible pollen hydration and pollen tube entry and demonstrate that high relative humidity can partially bypass these functions.
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