ArticleScientific reports2017
Exocyst subunit SEC3A marks the germination site and is essential for pollen germination in Arabidopsis thaliana.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Unconventional vesicle transport driven by formin-actin-myosin working system during pollen germination.Science advances · 2026Article
- Article
- Reciprocal regulation between AtFH5-labeled secretory vesicles and PI(4,5)PJournal of integrative plant biology · 2025Article
- Identification of Quantitative Trait Loci for Grain Quality Traits in a Pamyati Azieva × Paragon Bread Wheat Mapping Population Grown in Kazakhstan.Plants (Basel, Switzerland) · 2025Article
- A land plant-specific VPS13 mediates polarized vesicle trafficking in germinating pollen.The New phytologist · 2025Article
- Identification of differentially expressed miRNAs between male sterile and fertile floral buds in watermelon (3 Biotech · 2024Article
- RHO OF PLANTS signalling and the activating ROP GUANINE NUCLEOTIDE EXCHANGE FACTORS: specificity in cellular signal transduction in plants.Journal of experimental botany · 2024Review
- Genome-wide identification ofFrontiers in plant science · 2023Article
- Rab GTPases, tethers, and SNAREs work together to regulateFrontiers in plant science · 2023Review
- Genetic dissection of protein and starch during wheat grain development using QTL mapping and GWAS.Frontiers in plant science · 2023Article
- SEC1A is a major Arabidopsis Sec1/Munc18 gene in vesicle trafficking during pollen tube tip growth.The Plant journal : for cell and molecular biology · 2022Article
- Let's shape again: the concerted molecular action that builds the pollen tube.Plant reproduction · 2022Review
- A nanodomain-anchored scaffolding complex is required for the function and localization of phosphatidylinositol 4-kinase alpha in plants.The Plant cell · 2022Article
- Microscopic and Transcriptomic Analysis of Pollination Processes in Self-IncompatiblePlants (Basel, Switzerland) · 2021Article
- Signalling Pinpointed to the Tip: The Complex Regulatory Network That Allows Pollen Tube Growth.Plants (Basel, Switzerland) · 2020Review
- Exocyst mutants suppress pollen tube growth and cell wall structural defects of hydroxyproline O-arabinosyltransferase mutants.The Plant journal : for cell and molecular biology · 2020Article
- Secretory Vesicles Targeted to Plasma Membrane During Pollen Germination and Tube Growth.Frontiers in cell and developmental biology · 2020Review
- A Complex Journey: Cell Wall Remodeling, Interactions, and Integrity During Pollen Tube Growth.Frontiers in plant science · 2020Review
- Combination of multi-locus genome-wide association study and QTL mapping reveals genetic basis of tassel architecture in maize.Molecular genetics and genomics : MGG · 2019Article
- Overexpressed Tomosyn Binds Syntaxins and Blocks Secretion during Pollen Development.Plant physiology · 2019Article
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10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis exocyst subunit SEC3A has been reported to participate in embryo development. Here we report that SEC3A is involved during pollen germination. A T-DNA insertion in SEC3A leads to an absolute, male-specific transmission defect that can be complemented by the expression of SEC3A coding sequence from the LAT52 promoter or SEC3A genomic DNA. No obvious abnormalities in the microgametogenesis are observed in the sec3a/SEC3A mutant, however, in vitro and in vivo pollen germination are defective. Further studies reveal that the callose, pectin, and cellulose are apparently not deposited at the germination site during pollen germination. SEC3A is expressed ubiquitously, including in pollen grains and pollen tubes. Notably, SEC3A-GFP fusion proteins are specifically recruited to the future pollen germination site. This particular localization pattern is independent of phosphatidylinositol 4,5-bisphosphate (PI-4,5P
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