ArticlePlant biotechnology journal2021
A novel motif in the 5'-UTR of an orphan gene 'Big Root Biomass' modulates root biomass in sesame.
Article in Plant biotechnology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 34 citations in OpenAlex.
- Assessment of genomic prediction capabilities of transcriptome data in a barley multi-parent RIL population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Fine Mapping of the QTLInternational journal of molecular sciences · 2025Article
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- Novel candidate genes and genetic basis analysis of kernel starch content in tropical maize.BMC plant biology · 2025Article
- Orphan geneHorticulture research · 2024Article
- Genetic variation and association of yield, yield components, and carbon storage in sorghum (Sorghum bicolor [L.] Moench) genotypes.BMC genomic data · 2024Article
- Sex- versus apomixis-specific polymorphisms in the 5'UTR of APOLLO fromFrontiers in plant science · 2024Article
- Identification of novel loci associated with starch content in maize kernels by a genome-wide association study using an enlarged SNP panel.Molecular breeding : new strategies in plant improvement · 2023Article
- Omics technologies towards sesame improvement: a review.Molecular biology reports · 2023Review
- Current Progress, Applications and Challenges of Multi-Omics Approaches in Sesame Genetic Improvement.International journal of molecular sciences · 2023Review
- Comparative analysis of drought stress-induced physiological and transcriptional changes of two black sesame cultivars during anthesis.Frontiers in plant science · 2023Article
- Article
- Deciphering the Genetic Basis of Root and Biomass Traits in Rapeseed (International journal of molecular sciences · 2022Article
- Selection Signatures in Chinese Sorghum Reveals Its Unique Liquor-Making Properties.Frontiers in plant science · 2022Article
- Research Advances and Prospects of Orphan Genes in Plants.Frontiers in plant science · 2022Review
- Combined Transcriptome and Lipidomic Analyses of Lipid Biosynthesis inLife (Basel, Switzerland) · 2021Article
- Genome-wide association study and its applications in the non-model crop Sesamum indicum.BMC plant biology · 2021Review
- Genome-Wide Analysis of nsLTP Gene Family and Identification ofInternational journal of molecular sciences · 2021Article
- A novel motif in the 5'-UTR of an orphan gene 'Big Root Biomass' modulates root biomass in sesame.Plant biotechnology journal · 2021Article
- Genetic Mapping and Identification of the Candidate Gene for White Seed Coat inInternational journal of molecular sciences · 2021Article
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Developing crops with improved root system is crucial in current global warming scenario. Underexploited crops are valuable reservoirs of unique genes that can be harnessed for the improvement of major crops. In this study, we performed genome-wide association studies on seven root traits in sesame (Sesamum indicum L.) and uncovered 409 significant signals, 19 quantitative trait loci containing 32 candidate genes. A peak SNP significantly associated with root number and root dry weight traits was located in the promoter of the gene named 'Big Root Biomass' (BRB), which was subsequently validated in a bi-parental population. BRB has no functional annotation and is restricted to the Lamiales order. We detected the presence of a novel motif 'AACACACAC' located in the 5'-UTR of BRB in single and duplicated copy in accessions with high and small root biomass, respectively. A strong expression level of BRB was negatively correlated with high root biomass, and this was attributed to the gene SiMYB181 which represses the activity of BRB by binding specifically to the single motif but not to the duplicated one. Curiously, the allele that enhanced BRB expression has been intensively selected by modern breeding. Overexpression of BRB in Arabidopsis modulates auxin pathway leading to reduced root biomass, improved yield parameters under normal growth conditions and increased drought stress sensitivity. Overall, BRB represents a solid gene model for improving the performance of sesame and other crops.
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