Use of transcription factors JsDREB2D1 and JsDREB2D2 in regulating JsTDC1 promoter

By binding transcription factors JsDREB2D1 and JsDREB2D2 to the promoter region of JsTDC1, JsTDC1 expression was activated, solving the unknown problem of serotonin synthesis regulation in deep-striped walnuts. This enabled precise regulation of serotonin synthesis and improved the stress resistance and functional component content of walnuts.

CN122405644APending Publication Date: 2026-07-17KUNMING INST OF BOTANY CHINESE ACAD OF SCI +1
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Patent Information

Application Number
CN202610418912.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-01
Publication Date
2026-07-17

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Abstract

本发明涉及一种转录因子JsDREB2D1和JsDREB2D2在调控JsTDC1启动子中的应用，属于植物分子学与代谢技术领域，本发明包括所述的转录因子JsDREB2D1和JsDREB2D2特异性结合位于色氨酸脱羧酶基因JsTDC1启动子区的GCCGCC顺式作用元件，并激活色氨酸脱羧酶基因JsTDC1的表达。本发明揭示了DREB2D介导新的转录调控模块，该模块控制深纹核桃血清素的生物合成，从而提供了一种不同于经典DREB调控的非生物胁迫反应的机制。
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