Add alignment package to sequencher4/6/2023 ![]() BES1/BZR1 (BRI1 EMS SUPPRESSOR 1/BRASSINAZOLE RESISTANT 1) is a central transcription factor (TF) in the BR signaling pathway that has been extensively studied in plants. Brassinosteroids (BRs) are a group of plant hormones that regulate various aspects of plant growth and development, including cell elongation, division, differentiation, and responses to biotic and abiotic stresses BRs also interact with other hormones. A previous study showed that exogenously applied BRs affect various aspects of photosynthesis and effectively improve plant yield. Further, epibrassinolide (EBR), a bioactive brassinosteroid with favorable safety and commercial availability, and brassinazole (Brz), a BR biosynthesis inhibitor, play a crucial role in plant growth and development. Several studies have shown that photosystems are crucial in plants that respond to shade and high population densities. ![]() In this respect, hybrid maize varieties show a higher yield compared to the parent lines because of the more stable photosystem II and higher density of thylakoids in mesophyll chloroplasts. Our study provides valuable information for a better understanding of the molecular mechanism underlying the photosynthetic response to brassinosteroid signaling in maize.Ī range of stress factors are well known to negatively influence maize yield because of their effects on photosynthesis. Meanwhile, 42 and 186 transcription factor (TF) responses to brassinosteroid signals in maize leaves were identified in the CK VS EBR and CK VS Brz groups, respectively. Thus, transcriptome, proteome, and phosphoproteome analyses showed that major genes and proteins related to photosynthesis antenna proteins were upregulated by brassinosteroids treatment in a dose-dependent manner. Consistently, proteome and phosphoproteomic analyses indicated that photosynthesis antenna and photosynthesis proteins were significantly enriched in the list of differentially expressed proteins. Transcriptome analysis suggested that photosynthesis antenna proteins and carotenoid biosynthesis, plant hormone signal transduction, and MAPK signaling in CK VS EBR and CK VS Brz were significantly enriched in the list of differentially expressed genes upon brassinosteroids treatment. Here, we performed integrated transcriptome, proteome, and phosphoproteomic analyses to identify the key photosynthesis pathway that responds to brassinosteroid signaling. However, the molecular mechanism underlying the photosynthetic response to brassinosteroid signaling in maize remains obscure. ![]() Photosynthesis, which is vital for plant growth and high productivity, is strongly influenced by brassinosteroid signaling. ![]() Brassinosteroids are a recently discovered group of substances that promote plant growth and productivity. ![]()
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