ArticleBMC plant biology2024
MYB transcription factors, their regulation and interactions with non-coding RNAs during drought stress in Brassica juncea.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Integrated transcriptomic and biochemical analyses reveal mechanisms of drought adaptation in strawberry (Fragaria × ananassa L.).BMC plant biology · 2026Article
- Expression profiles of transcription factors and aquaporins suggest putative roles in rubber biosynthesis regulation and drought stress adaptation in guayule.Scientific reports · 2026Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2026Article
- Drought Stress Response of Doubled Haploid Interspecific Rapeseed Hybrids at Germination and Flowering Stages.Biology · 2026Article
- Genome-wide analysis of the MYB gene family and its stress-responsive expression under salinity and drought in sesame.Scientific reports · 2026Article
- Multifaceted roles and regulatory mechanisms of MYB transcription factors in plant development, secondary metabolism, and stress adaptation: current insights and future prospects.GM crops & food · 2025Review
- Article
- Comprehensive Identification ofPlants (Basel, Switzerland) · 2025Article
- Genome-wide identification and comparative analysis ofFrontiers in plant science · 2025Article
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4 authors.
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Abstract
backgroundBrassica juncea (L.) Czern is an important oilseed crop affected by various abiotic stresses like drought, heat, and salt. These stresses have detrimental effects on the crop's overall growth, development and yield. Various Transcription factors (TFs) are involved in regulation of plant stress response by modulating expression of stress-responsive genes. The myeloblastosis (MYB) TFs is one of the largest families of TFs associated with various developmental and biological processes such as plant growth, secondary metabolism, stress response etc. However, MYB TFs and their regulation by non-coding RNAs (ncRNAs) in response to stress have not been studied in B. juncea. Thus, we performed a detailed study on the MYB TF family and their interactions with miRNAs and Long non coding RNAs.
resultsComputational investigation of genome and proteome data presented a comprehensive picture of the MYB genes and their protein architecture, including intron-exon organisation, conserved motif analysis, R2R3 MYB DNA-binding domains analysis, sub-cellular localization, protein-protein interaction and chromosomal locations. Phylogenetically, BjuMYBs were further classified into different subclades on the basis of topology and classification in Arabidopsis. A total of 751 MYBs were identified in B. juncea corresponding to 297 1R-BjuMYBs, 440 R2R3-BjuMYBs, 12 3R-BjuMYBs, and 2 4R-BjuMYBs types. We validated the transcriptional profiles of nine selected BjuMYBs under drought stress through RT-qPCR. Promoter analysis indicated the presence of drought-responsive cis-regulatory components. Additionally, the miRNA-MYB TF interactions was also studied, and most of the microRNAs (miRNAs) that target BjuMYBs were involved in abiotic stress response and developmental processes. Regulatory network analysis and expression patterns of lncRNA-miRNA-MYB indicated that selected long non-coding RNAs (lncRNAs) acted as strong endogenous target mimics (eTMs) of the miRNAs regulated expression of BjuMYBs under drought stress.
conclusionsThe present study has established preliminary groundwork of MYB TFs and their interaction with ncRNAs in B. juncea and it will help in developing drought- tolerant Brassica crops.
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