ArticlePloS one2013
Transcript profile analyses of maize silks reveal effective activation of genes involved in microtubule-based movement, ubiquitin-dependent protein degradation, and transport in the pollination process.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 19 citations in OpenAlex.
- Identification and Functional Analysis of E3 Ubiquitin LigaseAnimals : an open access journal from MDPI · 2024Article
- Mapping and Functional Analysis of QTL for Kernel Number per Row in Tropical and Temperate-Tropical Introgression Lines of Maize (Current issues in molecular biology · 2023Article
- A Z-Linked E3 Ubiquitin LigaseAnimals : an open access journal from MDPI · 2021Article
- Using RNA-seq to characterize pollen-stigma interactions for pollination studies.Scientific reports · 2021Article
- A multigenotype maize silk expression atlas reveals how exposure-related stresses are mitigated following emergence from husk leaves.The plant genome · 2020Article
- ROS in the Male-Female Interactions During Pollination: Function and Regulation.Frontiers in plant science · 2020Review
- Transcriptome Analysis Provides Insight into the Molecular Mechanisms UnderlyingInternational journal of molecular sciences · 2018Article
- A decade of pollen transcriptomics.Plant reproduction · 2015Review
- Proteomic profiling reveals insights into Triticeae stigma development and function.Journal of experimental botany · 2014Article
- Population structure and domestication revealed by high-depth resequencing of Korean cultivated and wild soybean genomes.DNA research : an international journal for rapid publication of reports on genes and genomes · 2014Article
- Transcript profiles of maize embryo sacs and preliminary identification of genes involved in the embryo sac-pollen tube interaction.Frontiers in plant science · 2014Article
- Transcriptional evidence for inferred pattern of pollen tube-stigma metabolic coupling during pollination.PloS one · 2014Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Pollination is the first crucial step of sexual reproduction in flowering plants, and it requires communication and coordination between the pollen and the stigma. Maize (Zea mays) is a model monocot with extraordinarily long silks, and a fully sequenced genome, but little is known about the mechanism of its pollen-stigma interactions. In this study, the dynamic gene expression of silks at four different stages before and after pollination was analyzed. The expression profiles of immature silks (IMS), mature silks (MS), and silks at 20 minutes and 3 hours after pollination (20MAP and 3HAP, respectively) were compared. In total, we identified 6,337 differentially expressed genes in silks (SDEG) at the four stages. Among them, the expression of 172 genes were induced upon pollination, most of which participated in RNA binding, processing and transcription, signal transduction, and lipid metabolism processes. Genes in the SDEG dataset could be divided into 12 time-course clusters according to their expression patterns. Gene Ontology (GO) enrichment analysis revealed that many genes involved in microtubule-based movement, ubiquitin-mediated protein degradation, and transport were predominantly expressed at specific stages, indicating that they might play important roles in the pollination process of maize. These results add to current knowledge about the pollination process of grasses and provide a foundation for future studies on key genes involved in the pollen-silk interaction in maize.
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