ArticlePlant molecular biology2017
The mobile RNAs, StBEL11 and StBEL29, suppress growth of tubers in potato.
Article in Plant molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 58 citations in OpenAlex.
- The role of transcription factor StBEL11 in carbon allocation and tuberization in cultivated potato differs from that known for the model Andean genotype.Journal of experimental botany · 2026Article
- GERMIN3 regulates tuber initiation and axillary bud activation by facilitating plasmodesmatal gating.The Plant journal : for cell and molecular biology · 2025Article
- Maritime Pine Rootstock Genotype Modulates Gene Expression Associated with Stress Tolerance in Grafted Stems.Plants (Basel, Switzerland) · 2024Article
- BEL transcription factors in prominent Solanaceae crops: the missing pieces of the jigsaw in plant development.Planta · 2023Review
- The mRNA mobileome: challenges and opportunities for deciphering signals from the noise.The Plant cell · 2023Review
- Construction of heat stress regulation networks based on Illumina and SMRT sequencing data in potato.Frontiers in plant science · 2023Article
- Genome-wide characterization of the TALE homeodomain family and the KNOX-BLH interaction network in tomato.Plant molecular biology · 2022Article
- Identification of Long-Distance Transport Signal Molecules Associated with Plant Maturity in Tetraploid Cultivated Potatoes (Plants (Basel, Switzerland) · 2022Article
- Review
- The Roles of BLH Transcription Factors in Plant Development and Environmental Response.International journal of molecular sciences · 2022Review
- Inter-species mRNA transfer among green peach aphids, dodder parasites, and cucumber host plants.Plant diversity · 2022Article
- Development of aerial and belowground tubers in potato is governed by photoperiod and epigenetic mechanism.Plant physiology · 2021Review
- Reinvigoration/Rejuvenation Induced through Micrografting of Tree Species: Signaling through Graft Union.Plants (Basel, Switzerland) · 2021Review
- The interplay of phloem-mobile signals in plant development and stress response.Bioscience reports · 2020Review
- TERMINAL FLOWER-1/CENTRORADIALIS inhibits tuberisation via protein interaction with the tuberigen activation complex.The Plant journal : for cell and molecular biology · 2020Article
- Long-Distance Movement of mRNAs in Plants.Plants (Basel, Switzerland) · 2020Review
- Epigenetic Changes and Transcriptional Reprogramming Upon Woody Plant Grafting for Crop Sustainability in a Changing Environment.Frontiers in plant science · 2020Review
- Gene Regulatory Network Guided Investigations and Engineering of Storage Root Development in Root Crops.Frontiers in plant science · 2020Review
- PcG Proteins MSI1 and BMI1 Function Upstream of miR156 to Regulate Aerial Tuber Formation in Potato.Plant physiology · 2020Article
- Genome-wide transcriptome analysis reveals small RNA profiles involved in early stages of stolon-to-tuber transitions in potato under photoperiodic conditions.BMC plant biology · 2018Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageWe demonstrate that RNAs of StBEL11 and StBEL29 are phloem-mobile and function antagonistically to the growth-promoting characteristics of StBEL5 in potato. Both these RNAs appear to inhibit tuber growth by repressing the activity of target genes of StBEL5 in potato. Moreover, upstream sequence driving GUS expression in transgenic potato lines demonstrated that both StBEL11 and -29 promoter activity is robust in leaf veins, petioles, stems, and vascular tissues and induced by short days in leaves and stolons. Steady-state levels of their mRNAs were also enhanced by short-day conditions in selective organs. There are thirteen functional BEL1-like genes in potato that encode for a family of transcription factors (TF) ubiquitous in the plant kingdom. These BEL1 TFs work in tandem with KNOTTED1-types to regulate the expression of numerous target genes involved in hormone metabolism and growth processes. One of the StBELs, StBEL5, functions as a long-distance mRNA signal that is transcribed in leaves and moves into roots and stolons to stimulate growth. The two most closely related StBELs to StBEL5 are StBEL11 and -29. Together these three genes make up more than 70% of all StBEL transcripts present throughout the potato plant. They share a number of common features, suggesting they may be co-functional in tuber development. Upstream sequence driving GUS expression in transgenic potato lines demonstrated that both StBEL11 and -29 promoter activity is robust in leaf veins, petioles, stems, and vascular tissues and induced by short-days in leaves and stolons. Steady-state levels of their mRNAs were also enhanced by short-day conditions in specific organs. Using a transgenic approach and heterografting experiments, we show that both these StBELs inhibit growth in correlation with the long distance transport of their mRNAs from leaves to roots and stolons, whereas suppression lines of these two RNAs exhibited enhanced tuber yields. In summary, our results indicate that the RNAs of StBEL11 and StBEL29 are phloem-mobile and function antagonistically to the growth-promoting characteristics of StBEL5. Both these RNAs appear to inhibit growth in tubers by repressing the activity of target genes of StBEL5.
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