ArticleThe Plant cell2022
Maize RNA 3'-terminal phosphate cyclase-like protein promotes 18S pre-rRNA cleavage and is important for kernel development.
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 12 papers.
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12 citing papers in PubMed, 19 citations in OpenAlex.
- The OsRhoGAP2-OsRAC5 complex regulates rice seed germination via modulating aleurone layer development and α-amylase activity.Plant cell reports · 2026Article
- Intragenomic and Interspecific Polymorphism of 35S rDNA Internal Transcribed Spacer 1 (ITS1) inInternational journal of molecular sciences · 2026Article
- A plastoglobuli-localized enzyme links phenylalanine biosynthesis to translational homeostasis in maize.Nature communications · 2026Article
- RNA regulation in plants.Science China. Life sciences · 2026Review
- Awns Enhance the Thousand Seed Weight ofBiology · 2026Article
- The ZmCOP1s-ZmCOL3 Module Enhances Late Flowering, Grain Yield and Grain Quality in Maize.Plant biotechnology journal · 2026Article
- Decades' progress and prospects on maize functional genomics and molecular breeding.Science China. Life sciences · 2025Review
- TaSED interacts with TaSPA synergistically regulating SDS-sedimentation volume in bread wheat.Journal of integrative plant biology · 2025Article
- Optimization of Plant Oxalate Quantification and Generation of Low-Oxalate Maize (Plants (Basel, Switzerland) · 2024Article
- Source leaves are regulated by sink strengths through non-coding RNAs and alternative polyadenylation in cucumber (Cucumis sativus L.).BMC plant biology · 2024Article
- MaizeInternational journal of molecular sciences · 2023Article
- Maize Shrek1 encodes a WD40 protein that regulates pre-rRNA processing in ribosome biogenesis.The Plant cell · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Plant ribosomes contain four specialized ribonucleic acids, the 5S, 5.8S, 18S, and 25S ribosomal RNAs (rRNAs). Maturation of the latter three rRNAs requires cooperative processing of a single transcript by several endonucleases and exonucleases at specific sites. In maize (Zea mays), the exact nucleases and components required for rRNA processing remain poorly understood. Here, we characterized a conserved RNA 3'-terminal phosphate cyclase (RCL)-like protein, RCL1, that functions in 18S rRNA maturation. RCL1 is highly expressed in the embryo and endosperm during early seed development. Loss of RCL1 function resulted in lethality due to aborted embryo cell differentiation. We also observed pleiotropic defects in the rcl1 endosperm, including abnormal basal transfer cell layer growth and aleurone cell identity, and reduced storage reserve accumulation. The rcl1 seeds had lower levels of mature 18S rRNA and the related precursors were altered in abundance compared with wild type. Analysis of transcript levels and protein accumulation in rcl1 revealed that the observed lower levels of zein and starch synthesis enzymes mainly resulted from effects at the transcriptional and translational levels, respectively. These results demonstrate that RCL1-mediated 18S pre-rRNA processing is essential for ribosome function and messenger RNA translation during maize seed development.
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