The SlbHLH92 transcription factor enhances salt stress resilience by fine-tuning hydrogen sulfide biosynthesis in tomato

Lu, Songchong; Sun, Yan; Liu, Xin; Wang, Fu; Luan, Sheng; Wang, Hui

doi:10.1016/j.ijbiomac.2024.137294

International Journal of Biological Macromolecules

2024

DOI: 10.1016/j.ijbiomac.2024.137294

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The SlbHLH92 transcription factor enhances salt stress resilience by fine-tuning hydrogen sulfide biosynthesis in tomato

Songchong Lu,

Yan Sun,

Xin Liu

et al.

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SlUPA-like, a bHLH Transcription Factor in Tomato (Solanum lycopersicum), Serves as the Crosstalk of GA, JA and BR

Guo,

Cheng,

Wang

et al. 2024

IJMS

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The bHLH (basic Helix–Loop–Helix) transcription factor serves as pivotal controller in plant growth and development. In a previous study, the overexpression of SlUPA-like in Solanum lycopersicum L. Ailsa Craig (AC++) altered the JA (Jasmonic acid) response and endogenous GA (Gibberellic acid) content. However, the detailed regulation mechanism was not fully explored. In the present research, we found that the overexpression of SlUPA-like influenced the accumulation of GA, JA and BR (Brassinolide). RNA-Seq data illustrated that the expression levels of genes related to these plant hormones were significantly affected. Additionally, the interaction of SlUPA-like with SlMYB21, SlMYC2 and SlDELLA was characterized by employing Y2H (Yeast Two-Hybrid) and BiFC (Bimolecular Fluorescence Complementation) assay. Furthermore, Dual-LUC (Dual-Luciferase) assay and EMSA (Electrophoretic Mobility Shift Assay) identified that SlUPA-like directly targeted the E-box motif in the promoter of SlGID2 and activated the transcription of SlGID2. These results shed light on the potential role of SlUPA-like in mediating crosstalk among multiple plant hormones and established a robust theoretical framework for further unraveling the functions of SlUPA-like transcription factors in the context of plant growth and hormone signal transduction.

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SlUPA-like, a bHLH Transcription Factor in Tomato (Solanum lycopersicum), Serves as the Crosstalk of GA, JA and BR

Guo,

Cheng,

Wang

et al. 2024

IJMS

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The SlbHLH92 transcription factor enhances salt stress resilience by fine-tuning hydrogen sulfide biosynthesis in tomato

Cited by 1 publication

References 79 publications

SlUPA-like, a bHLH Transcription Factor in Tomato (Solanum lycopersicum), Serves as the Crosstalk of GA, JA and BR

SlUPA-like, a bHLH Transcription Factor in Tomato (Solanum lycopersicum), Serves as the Crosstalk of GA, JA and BR

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