ArticlePlant molecular biology2011
Arabidopsis AtVPS15 is essential for pollen development and germination through modulating phosphatidylinositol 3-phosphate formation.
Article in Plant molecular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 65 citations in OpenAlex.
- MAPK20-mediated ATG6 phosphorylation is critical for pollen development inHorticulture research · 2024Article
- Genome-wide identification and characterization of NAC transcription factor family members in Trifolium pratense and expression analysis under lead stress.BMC genomics · 2024Article
- Regulatory dynamics of gene expression in the developing male gametophyte of Arabidopsis.Plant reproduction · 2023Article
- Gold nanoparticles (AuNPs) can rapidly deliver artificial microRNA (AmiRNA)-ATG6 to silence ATG6 expression in Arabidopsis.Plant cell reports · 2023Article
- Does selection occur at the intermediate zone of two insufficiently isolated populations? A whole-genome analysis along an altitudinal gradient.Journal of plant research · 2023Article
- Phosphatidylinositol 3-phosphate regulates SCAB1-mediated F-actin reorganization during stomatal closure in Arabidopsis.The Plant cell · 2022Article
- An Overview of the Molecular Mechanisms and Functions of Autophagic Pathways in Plants.Plant signaling & behavior · 2021Article
- Non-homologous chromosome pairing during meiosis in haploid Brassica rapa.Plant cell reports · 2021Article
- Phosphoproteomic identification of ULK substrates reveals VPS15-dependent ULK/VPS34 interplay in the regulation of autophagy.The EMBO journal · 2021Article
- Autophagy in Plant Abiotic Stress Management.International journal of molecular sciences · 2021Review
- Candidate Genes for the High-Altitude Adaptations of Two Mountain Pine Taxa.International journal of molecular sciences · 2021Article
- Autophagy-mediated compartmental cytoplasmic deletion is essential for tobacco pollen germination and male fertility.Autophagy · 2020Article
- AUTOPHAGY-RELATED14 and Its Associated Phosphatidylinositol 3-Kinase Complex Promote Autophagy in Arabidopsis.The Plant cell · 2020Article
- MTV proteins unveil ER- and microtubule-associated compartments in the plant vacuolar trafficking pathway.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Fertilization in flowering plants: an odyssey of sperm cell delivery.Plant molecular biology · 2020Review
- Review
- Genomic Characterization and Expressional Profiles of Autophagy-Related Genes (International journal of molecular sciences · 2020Article
- Role of Autophagy in Male Reproductive Processes in Land Plants.Frontiers in plant science · 2020Review
- An improved protein lipid overlay assay for studying lipid-protein interactions.Plant methods · 2020Article
- Autophagy: An Intracellular Degradation Pathway Regulating Plant Survival and Stress Response.Frontiers in plant science · 2020Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis thaliana phosphatidylinositol 3-kinase (AtVPS34) functions in the development and germination of pollen by catalyzing the biosynthesis of phosphatidylinositol 3-phosphate (PI3P). In yeast, Vps15p is required for the membrane targeting and activity of Vps34. The expression of Arabidopsis thaliana VPS15 (AtVPS15), an ortholog of yeast Vps15, is mainly detected in pollen grains and pollen tubes. To determine its role in pollen development and pollen tube growth, we attempted to isolate the T-DNA insertion mutants of AtVPS15; however, homozygous lines of atvps15 were not obtained from the progeny of atvps15/+ heterozygotes. Genetic analysis revealed that the abnormal segregation is due to the failure of transmission of the atvps15 allele through pollen. Most pollen grains from the atvps15/+ genotype are viable, with normal exine structure and nuclei, but some mature pollen grains are characterized with unusual large vacuoles that are not observed in pollen grains from the wild AtVPS15 genotype. The germination ratio of pollen from the atvps15/+ genotype is about half when compared to that from the wild AtVPS15 genotype. When supplied with PI3P, in vitro pollen germination of the atvps15/+ genotype is greatly improved. Presumably, AtVPS15 functions in pollen development and germination by regulating PI3P biosynthesis in Arabidopsis.
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