Transcription factor capable of regulating flowering and growth of plants and application thereof

CN122344243APending Publication Date: 2026-07-07SOUTH CHINA NORMAL UNIV

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: SOUTH CHINA NORMAL UNIV
Filing Date: 2026-06-04
Publication Date: 2026-07-07

AI Technical Summary

Technical Problem

In existing technologies, the application of transcription factors in regulating plant flowering and growth is limited, especially in the regulation of plant development and crop growth, where there is a lack of refined regulatory methods.

Method used

The transcription factor DnDGZ1 and its related sequences were designed and constructed. By nucleotide substitution, insertion or deletion, analogs that can regulate the growth and flowering time of Arabidopsis thaliana were obtained. Gene manipulation was carried out using expression vectors and Agrobacterium to regulate the growth and flowering time of plants.

Benefits of technology

Successfully inhibiting Arabidopsis growth and delaying flowering time, and achieving fine regulation of gene expression through the regulation of 5'UTR elements, demonstrates the ability to activate or inhibit gene products at specific times or growth stages, providing a means of targeted regulation of plant growth and development.

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Abstract

This invention discloses a transcription factor that can regulate flowering and growth in plants and its applications. This invention discovers a transcription factor gene derived from *Dendrobium nobile*. DnDGZ1 Overexpression of this transcription factor inhibits Arabidopsis growth and delays flowering. Validation experiments revealed that adding a sequence upstream of this gene constitutes a gene... 5Uα_DnDGZ1 and 5Uγ‑DnDGZ1 Reversible DnDGZ1 Controlled flowering phenotypes demonstrate that this sequence can be used to construct a 5' UTR to achieve [the desired effect]. DnDGZ1 The expression of this artificial gene is manipulated, allowing for the activation or inhibition of the gene product at specific times or growth stages to control its synthesis, thereby enabling the targeted regulation of plant growth and development. To date, no reports have been found regarding the nucleotide sequence of this transcription factor, nor have any applications been discovered that utilize this artificial gene to conditionally regulate gene expression characteristics.

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