ArticleJournal of experimental botany2018
INP1 involvement in pollen aperture formation is evolutionarily conserved and may require species-specific partners.
Article in Journal of experimental botany, 2018. 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.
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- Evolutionary conservation of the grape sex-determining region in angiosperms and emergence of dioecy in Vitaceae.Nature communications · 2025Article
- OsPAD1, encoding a non-specific lipid transfer protein, is required for rice pollen aperture formation.Plant molecular biology · 2024Article
- Molecular mechanisms underlying the negative effects of transient heatwaves on crop fertility.Plant communications · 2024Review
- OsSRF8 interacts with OsINP1 and OsDAF1 to regulate pollen aperture formation in rice.Nature communications · 2024Article
- Modifying the Expression of Cysteine Protease GeneInternational journal of molecular sciences · 2023Article
- Identification of Candidate Genes Involved in the Determinism of Pollen Grain Aperture Morphology by Comparative Transcriptome Analysis in Papaveraceae.Plants (Basel, Switzerland) · 2023Article
- A Review of the Developmental Processes and Selective Pressures Shaping Aperture Pattern in Angiosperms.Plants (Basel, Switzerland) · 2022Review
- Pollen wall patterns as a model for biological self-assembly.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2021Article
- VviPLATZ1 is a major factor that controls female flower morphology determination in grapevine.Nature communications · 2021Article
- Members of the ELMOD protein family specify formation of distinct aperture domains on theeLife · 2021Article
- The Diversity of Plant Sex Chromosomes Highlighted through Advances in Genome Sequencing.Genes · 2021Review
- The Role of INAPERTURATE POLLEN1 as a Pollen Aperture Factor Is Conserved in the Basal EudicotFrontiers in plant science · 2021Article
- The wild grape genome sequence provides insights into the transition from dioecy to hermaphroditism during grape domestication.Genome biology · 2020Article
- The genetic basis of sex determination in grapes.Nature communications · 2020Article
- Changes in morphogen kinetics and pollen grain size are potential mechanisms of aberrant pollen aperture patterning in previously observed and novel mutants of Arabidopsis thaliana.PLoS computational biology · 2019Article
- The Long Journey of Pollen Tube in the Pistil.International journal of molecular sciences · 2018Review
- Arabidopsis Protein Kinase D6PKL3 Is Involved in the Formation of Distinct Plasma Membrane Aperture Domains on the Pollen Surface.The Plant cell · 2018Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pollen wall exine is usually deposited non-uniformly on the pollen surface, with areas of low exine deposition corresponding to pollen apertures. Little is known about how apertures form, with the novel Arabidopsis INP1 (INAPERTURATE POLLEN1) protein currently being the only identified aperture factor. In developing pollen, INP1 localizes to three plasma membrane domains and underlies formation of three apertures. Although INP1 homologs are found across angiosperms, they lack strong sequence conservation. Thus, it has been unclear whether they also act as aperture factors and whether their sequence divergence contributes to interspecies differences in aperture patterns. To explore the functional conservation of INP1 homologs, we used mutant analysis in maize and tested whether homologs from several other species could function in Arabidopsis. Our data suggest that the INP1 involvement in aperture formation is evolutionarily conserved, despite the significant divergence of INP1 sequences and aperture patterns, but that additional species-specific factors are likely to be required to guide INP1 and to provide information for aperture patterning. To determine the regions in INP1 necessary for its localization and function, we used fragment fusions, domain swaps, and interspecific protein chimeras. We demonstrate that the central portion of the protein is particularly important for mediating the species-specific functionality.
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