ArticleThe Plant cell2022
SlRBP1 promotes translational efficiency via SleIF4A2 to maintain chloroplast function in tomato.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 25 citations in OpenAlex.
- SlERF.D2-mediated antagonism between ethylene and ABA signaling pathways modulates osmotic stress adaptation in tomato.Horticulture research · 2026Article
- Translational control in plants: from basic mechanisms to environmental and developmental responses.The Plant journal : for cell and molecular biology · 2026Review
- Proteome and Phosphoproteome of Tomato Fruit Identify REDUCED CHLOROPLAST COVERAGE 1a as A Ripening Regulator.Genomics, proteomics & bioinformatics · 2025Article
- A SlRBP1-Horticulture research · 2025Article
- Characterization and Early Response of the DEAD Gene Family to Heat Stress in Tomato.Plants (Basel, Switzerland) · 2025Article
- HOT3/eIF5B1 confers Kozak motif-dependent translational control of photosynthesis-associated nuclear genes for chloroplast biogenesis.Nature communications · 2024Article
- Photosynthetic characteristics and genetic mapping of a yellow-green leaf mutant jym165 in soybean.BMC plant biology · 2024Article
- Divergence in regulatory mechanisms of GR-RBP genes in different plants under abiotic stress.Scientific reports · 2024Article
- Article
- DGW1, encoding an hnRNP-like RNA binding protein, positively regulates grain size and weight by interacting with GW6 mRNA.Plant biotechnology journal · 2024Article
- RiceFrontiers in plant science · 2024Article
- Phytophthora infestans RXLR effector Pi23014 targets host RNA-binding protein NbRBP3a to suppress plant immunity.Molecular plant pathology · 2024Article
- The Glycine-Rich RNA-Binding Protein Is a Vital Post-Transcriptional Regulator in Crops.Plants (Basel, Switzerland) · 2023Review
- From the archives: regulation of mRNA translation, epigenetic machinery components, and processing of a composite large subunit ribosomal RNA.The Plant cell · 2023Article
- Toward a systems view on RNA-binding proteins and associated RNAs in plants: Guilt by association.The Plant cell · 2023Article
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Authors and funding
19 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many glycine-rich RNA-binding proteins (GR-RBPs) have critical functions in RNA processing and metabolism. Here, we describe a role for the tomato (Solanum lycopersicum) GR-RBP SlRBP1 in regulating mRNA translation. We found that SlRBP1 knockdown mutants (slrbp1) displayed reduced accumulation of total chlorophyll and impaired chloroplast ultrastructure. These phenotypes were accompanied by deregulation of the levels of numerous key transcripts associated with chloroplast functions in slrbp1. Furthermore, native RNA immunoprecipitation-sequencing (nRIP-seq) recovered 61 SlRBP1-associated RNAs, most of which are involved in photosynthesis. SlRBP1 binding to selected target RNAs was validated by nRIP-qPCR. Intriguingly, the accumulation of proteins encoded by SlRBP1-bound transcripts, but not the mRNAs themselves, was reduced in slrbp1 mutants. Polysome profiling followed by RT-qPCR assays indicated that the polysome occupancy of target RNAs was lower in slrbp1 plants than in wild-type. Furthermore, SlRBP1 interacted with the eukaryotic translation initiation factor SleIF4A2. Silencing of SlRBP1 significantly reduced SleIF4A2 binding to SlRBP1-target RNAs. Taking these observations together, we propose that SlRBP1 binds to and channels RNAs onto the SleIF4A2 translation initiation complex and promotes the translation of its target RNAs to regulate chloroplast functions.
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