ArticleThe Plant cell2014
The small regulatory RNA SyR1/PsrR1 controls photosynthetic functions in cyanobacteria.
Article in The Plant cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 110 citations in OpenAlex.
- Environmental Adaptation inPlants (Basel, Switzerland) · 2026Review
- Systematic and Functional Identification of Small Non-Coding RNAs Associated with Excess Ammonium Stress in CyanobacteriumInternational journal of molecular sciences · 2026Article
- Very high CONAR genomics and bioinformatics · 2026Article
- Exploring the regulatory potential of RNA structures in 202 cyanobacterial genomes.Nucleic acids research · 2026Article
- Impact of SliP4 deletion on the high-light acclimation inmicroLife · 2026Article
- Molecular Mechanisms ofPlants (Basel, Switzerland) · 2025Review
- Identification of acidic stress-responsive genes and acid tolerance engineering in Synechococcus elongatus PCC 7942.Applied microbiology and biotechnology · 2024Article
- The role of the 5' sensing function of ribonuclease E in cyanobacteria.RNA biology · 2024Article
- Interactors and effects of overexpressing YlxR/RnpM, a conserved RNA binding protein in cyanobacteria.RNA biology · 2024Article
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- Advances in Genetic Engineering in Improving Photosynthesis and Microalgal Productivity.International journal of molecular sciences · 2023Review
- Review
- pSHDY: A New Tool for Genetic Engineering of Cyanobacteria.Methods in molecular biology (Clifton, N.J.) · 2022Article
- The sRNA NsiR4 fine-tunes arginine synthesis in the cyanobacteriumRNA biology · 2022Article
- sRNARFTarget: a fast machine-learning-based approach for transcriptome-wide sRNA target prediction.RNA biology · 2022Article
- Transcriptome-wide in vivo mapping of cleavage sites for the compact cyanobacterial ribonuclease E reveals insights into its function and substrate recognition.Nucleic acids research · 2021Article
- Integrative analysis of the salt stress response in cyanobacteria.Biology direct · 2021Article
- A nitrogen stress-inducible small RNA regulates CO2 fixation in Nostoc.Plant physiology · 2021Article
- Inverse regulation of light harvesting and photoprotection is mediated by a 3'-end-derived sRNA in cyanobacteria.The Plant cell · 2021Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Little is known so far about RNA regulators of photosynthesis in plants, algae, or cyanobacteria. The small RNA PsrR1 (formerly SyR1) has been discovered in Synechocystis sp PCC 6803 and appears to be widely conserved within the cyanobacterial phylum. Expression of PsrR1 is induced shortly after a shift from moderate to high-light conditions. Artificial overexpression of PsrR1 led to a bleaching phenotype under moderate light growth conditions. Advanced computational target prediction suggested that several photosynthesis-related mRNAs could be controlled by PsrR1, a finding supported by the results of transcriptome profiling experiments upon pulsed overexpression of this small RNA in Synechocystis sp PCC 6803. We confirmed the interaction between PsrR1 and the ribosome binding regions of the psaL, psaJ, chlN, and cpcA mRNAs by mutational analysis in a heterologous reporter system. Focusing on psaL as a specific target, we show that the psaL mRNA is processed by RNase E only in the presence of PsrR1. Furthermore, we provide evidence for a posttranscriptional regulation of psaL by PsrR1 in the wild type at various environmental conditions and analyzed the consequences of PsrR1-based regulation on photosystem I. In summary, computational and experimental data consistently establish the small RNA PsrR1 as a regulatory factor controlling photosynthetic functions.
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