Use of expression promoter of transcription factor DkAS1 in regulation of maturation and softening of persimmon fruit
By increasing the activity or expression level of DkAS1 in persimmon fruit and inhibiting the transcription of related genes, the softening problem of persimmon fruit during storage was solved, achieving low-cost and efficient fruit preservation.
CN122235206APending Publication Date: 2026-06-19NORTHWEST A & F UNIV
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Patent Information
- Application Number
- CN202610540845.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-22
- Publication Date
- 2026-06-19
AI Technical Summary
Technical Problem
Existing technologies are costly and prone to chilling injury during persimmon fruit storage, and are difficult to effectively control the post-harvest softening process of the fruit.
Method used
By increasing the activity or expression level of transcription factor DkAS1 in persimmon fruit, the transcription of cell wall degradation enzymes, ethylene synthesis genes, and abscisic acid synthesis genes can be inhibited, thus delaying the fruit softening process.
Benefits of technology
It significantly reduces energy consumption for preservation, reduces production costs, improves preservation efficiency, ensures food safety, and avoids the risk of chemical residues.
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Abstract
This invention belongs to the fields of plant molecular biotechnology and genetic engineering, specifically relating to the application of an expression promoter of transcription factor DkAS1 in regulating the ripening and softening of persimmon fruit. The amino acid sequence of DkAS1 is shown in SEQ ID NO.1. This invention utilizes biotechnology to isolate the gene encoding the transcription factor DkAS1 in persimmon fruit and discovers... DkAS1 It is induced by gibberellin treatment and can inhibit cell wall degradation, ethylene and abscisic acid synthesis, and participate in the regulation of the postharvest softening process of persimmon fruit.
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