ArticleFrontiers in plant science2025
Silencing of miR169a improves drought stress by enhancing vascular architecture, ROS scavenging, and photosynthesis of
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- miR169f regulation by lncRNA LASSO fine-tunes JA-dependent root immunity in rice.The New phytologist · 2026Article
- Genome-Wide Identification and Characterization of the Calmodulin-Binding Transcription Activators (CAMTA) Gene Family inPlants (Basel, Switzerland) · 2026Article
- Molecular Mechanisms of NF-Y Transcription Factors in Horticultural Plant Development and Stress Responses: Recent Advances.International journal of molecular sciences · 2026Review
- Mobile small RNAs as mediators of stress-induced epigenomic remodeling and systemic stress adaptation.Frontiers in epigenetics and epigenomics · 2026Review
- Drought stress inFrontiers in plant science · 2026Review
- Antiviral RNA interference in plants: Increasing complexity and integration with other biological processes.Plant communications · 2025Review
- In Silico Analysis of miRNA-mRNA Binding Sites inPlants (Basel, Switzerland) · 2025Article
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Authors and funding
8 authors.
Funding
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Abstract
Vascular bundles regulate water balance, nutrient uptake and transport, and stress responses, ultimately influencing the yield and quality of crops. However, our understanding of the genetic functions of microRNAs (miRNAs) during vascular development remains limited. In this research, the role of miR169a in potatoes was studied. Silencing StmiR169a in potatoes promoted vascular bundle formation, resulting in not only upright and robust stems but also longer roots and more extensive root systems. Histological analysis revealed a significant increase in the number of xylem vessels in the vascular bundles of stems and roots of RNAi-mediated miR169a lines (STTM169). Silencing miR169a led to higher water use efficiency, enhanced photosynthesis rates, elevated enzymatic antioxidant activity, and reduced levels of reactive oxygen species (ROS), thereby enhancing the drought resistance of potatoes. However, overexpression of miR169a lines (OE169a) showed the opposite effects. The nuclear factor Y subunit NF-YA3 was identified as a target gene of StmiR169a. The miR169a/NF-YA3 module may be involved in the regulation of potato vascular bundle development and the response to drought stress.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.