ArticleFunctional & integrative genomics2019
SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 influences flowering time, lateral branching, oil quality, and seed yield in Brassica juncea cv. Varuna.
Article in Functional & integrative genomics, 2019. 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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Who cites it
12 citing papers in PubMed.
- Genome-wide characterization of MADS-box genes and their roles in axillary bud development in tobacco.Plant cell reports · 2026Article
- Molecular dynamics and evolutionary conservation of FUL-SOC1 regulatory interactions in polyploid Brassica juncea.Functional & integrative genomics · 2026Article
- Multiple combinatorial interactions among natural structural variants of Brassica SOC1 promoters and SVP: conservation of binding affinity despite diversity in bimolecular interactions.Molecular biology reports · 2025Article
- Constitutive expression of full-length or partial ofFrontiers in plant science · 2025Article
- TM3 and STM3 Promote Flowering Together with FUL2 and MBP20, but Act Antagonistically in Inflorescence Branching in Tomato.Plants (Basel, Switzerland) · 2023Article
- Genetic mapping of some key plant architecture traits in Brassica juncea using a doubled haploid population derived from a cross between two distinct lines: vegetable type Tumida and oleiferous Varuna.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- MADS-Box Subfamily GeneInternational journal of molecular sciences · 2023Article
- Chromosome-level genome assembly of the diploid blueberry Vaccinium darrowii provides insights into its subtropical adaptation and cuticle synthesis.Plant communications · 2022Article
- Identification and Characterization of the MIKC-Type MADS-Box Gene Family inInternational journal of molecular sciences · 2022Article
- The SlTCP26 promoting lateral branches development in tomato.Plant cell reports · 2021Article
- Integration of miRNAs, Degradome, and Transcriptome Omics Uncovers a Complex Regulatory Network and Provides Insights Into Lipid and Fatty Acid Synthesis During Sesame Seed Development.Frontiers in plant science · 2021Article
- Complex Horticultural Quality Traits in Broccoli Are Illuminated by Evaluation of the Immortal BolTBDH Mapping Population.Frontiers in plant science · 2019Article
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Authors and funding
7 authors.
Funding
Abstract
SOC1, a MADS-box type II transcription factor, integrates environmental and endogenous cues to promote flowering in angiosperms. Recent reports implicating SOC1 in roles beyond floral transition prompted functional characterization of SOC1 in polyploid rapeseed mustard genomes. Gene characterization in Brassicas necessitates analysis of composite homeolog function. While insertional mutagenesis is untenable in Brassicas owing to gene redundancy, gain-of-function approach entails serial characterization of individual homeologs. Herein, we demonstrate modulated floral promotive effects in natural variants of Brassica SOC1 and provide lateral branching as a probable outcome of polyploidy-induced gene diversification. Ectopic expression of two B genome specific SOC1 variants in Arabidopsis thaliana resulted in differential floral acceleration and manifestation of multiple vegetative rosettes. Characterization of composite homeolog function in B. juncea via introgression of Brassica SOC1 specific artificial miRNA, designed to target homeologs, also exhibited modifications in floral transition and lateral branching. Comprehensive analysis of field performance of B. juncea transgenics displayed altered fitness across 11 agronomic traits. Crucially, reduced SOC1 levels directly impacted two developmental traits, namely, flowering time and number of lateral branches which in turn influenced several dependent agronomic traits. While delayed flowering and crop maturity resulted in altered fatty acid composition with higher SFA and lower PUFA in transgenics relative to controls, reduction in overall count of lateral branches caused a concomitant decrease in silique count which ultimately impacted total seed yield in transgenics. Statistical analysis revealed number of secondary branches as the most critical trait influencing seed yield. Based on our findings, we propose enhancing levels Brassica SOC1, a key target, for achieving earliness in flowering, improved seed yield and oil quality, and studying trait trade-offs.
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