ArticleBMC plant biology2022
Plastid retrograde regulation of miRNA expression in response to light stress.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.
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Who cites it
10 citing papers in PubMed, 2 syntheses or guidelines pooled it, 17 citations in OpenAlex.
- Identification of Key Differentially Expressed Genes inInternational journal of molecular sciences · 2025Pooled it
- What Do We Know about Barley miRNAs?International journal of molecular sciences · 2022Pooled it
- Article
- Article
- Smi-miRmTERF regulates organelle development, retrograde signaling, secondary metabolism and immunity via targeting a subset of SmmTERFs in Salvia miltiorrhiza.Molecular horticulture · 2025Article
- Short-Term High Light Stress Analysis Through Differential Methylation Identifies Root Architecture and Cell Size Responses.Plant, cell & environment · 2025Article
- Microbe-induced coordination of plant iron-sulfur metabolism enhances high-light-stress tolerance of Arabidopsis.Plant communications · 2024Article
- Light-Dependent Regulatory Interactions between the Redox System and miRNAs and Their Biochemical and Physiological Effects in Plants.International journal of molecular sciences · 2023Review
- Non-coding RNAs fine-tune the balance between plant growth and abiotic stress tolerance.Frontiers in plant science · 2022Review
- Retrograde and anterograde signaling in the crosstalk between chloroplast and nucleus.Frontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMicroRNAs (miRNAs) are a class of endogenous noncoding RNAs that play a pivotal role in the regulation of plant development and responses to the surrounding environment. Despite the efforts made to elucidate their function in the adaptation of plants to many abiotic and biotic stresses, their role in high light (HL) stress is still vague. HL stress often arises upon plant exposure to full sunlight. Subsequent changes in nuclear gene expression are triggered by chloroplast-derived retrograde signals.
resultsIn this study, we show that HL is involved in miRNA-dependent regulation in Arabidopsis thaliana rosettes. Microtranscriptomic screening revealed a limited number of miRNAs reacting to HL. To explain the miRNA regulation mechanisms at the different biogenesis stages, chemical and genetic approaches were applied. First, we tested the possible role of plastoquinone (PQ) redox changes using photosynthetic electron transport chain inhibitors. The results suggest that increased primary transcript abundance (pri-miRNAs) of HL-regulated miRNAs is dependent on signals upstream of PQ. This indicates that such signals may originate from photosystem II, which is the main singlet oxygen (
conclusionsWe show that light stress triggers changes in miRNA expression. This stress response may be regulated by reactive oxygen species (ROS)-related signaling. In conclusion, our results link ROS action to miRNA biogenesis, suggesting its contribution to inconsistent pri- and mature miRNA dynamics.
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