ArticleFrontiers in plant science2023
Transcriptome and functional analysis revealed the intervention of brassinosteroid in regulation of cold induced early flowering in tobacco.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 11 citations in OpenAlex.
- Melatonin and Brassinolide Enhance Cold Tolerance inPlants (Basel, Switzerland) · 2026Article
- Elucidating brassinosteroid-mediated regulation of natural rubber biosynthesis in Taraxacum kok-saghyz through integrated transcriptomic and metabolomic analyses.Protoplasma · 2026Article
- Whole genome resequencing analysis of tobacco K326 and its cold sensitive mutant M18.Frontiers in plant science · 2026Article
- Physiological Mechanism of EBR for Grain-Filling and Yield Formation of Tartary Buckwheat.Plants (Basel, Switzerland) · 2024Article
- Shallow water seeding cultivation enhances cold tolerance in tobacco seedlings.BMC plant biology · 2024Article
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9 authors at 2 institutions in 1 country.
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Abstract
Cold environmental conditions may often lead to the early flowering of plants, and the mechanism by cold-induced flowering remains poorly understood. Microscopy analysis in this study demonstrated that cold conditioning led to early flower bud differentiation in two tobacco strains and an Agilent Tobacco Gene Expression microarray was adapted for transcriptomic analysis on the stem tips of cold treated tobacco to gain insight into the molecular process underlying flowering in tobacco. The transcriptomic analysis showed that cold treatment of two flue-cured tobacco varieties (Xingyan 1 and YunYan 85) yielded 4176 and 5773 genes that were differentially expressed, respectively, with 2623 being commonly detected. Functional distribution revealed that the differentially expressed genes (DEGs) were mainly enriched in protein metabolism, RNA, stress, transport, and secondary metabolism. Genes involved in secondary metabolism, cell wall, and redox were nearly all up-regulated in response to the cold conditioning. Further analysis demonstrated that the central genes related to brassinosteroid biosynthetic pathway, circadian system, and flowering pathway were significantly enhanced in the cold treated tobacco. Phytochemical measurement and qRT-PCR revealed an increased accumulation of brassinolide and a decreased expression of the flowering locus c gene. Furthermore, we found that overexpression of
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