Salt-tolerant gene ThGPX4 and application thereof

By overexpressing the salt-tolerant gene ThGPX4 in plants and using Agrobacterium-mediated genetic transformation, the problem of regulating plant salt tolerance was solved, resulting in a significant improvement in plant salt tolerance and promoting the breeding of superior new crop varieties.

CN121950834APending Publication Date: 2026-05-01INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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Patent Information

Application Number
CN202610143434.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-02
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing technologies lack genes that can effectively regulate plant salt tolerance, making it difficult to breed salt-tolerant crops using conventional breeding methods. Traditional agronomic measures are costly and difficult to apply on a large scale.

Method used

This invention provides a salt-tolerant gene ThGPX4 and its application. The salt tolerance of plants is improved by overexpressing the ThGPX4 gene through genetic engineering and by using Agrobacterium-mediated genetic transformation.

Benefits of technology

It can significantly improve the salt tolerance of plants, obtain new germplasm with salt tolerance characteristics, and promote the breeding and application of superior crop varieties.

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Abstract

The invention belongs to the technical field of gene engineering, and particularly relates to a salt-tolerant gene ThGPX4 and application thereof. The invention provides a salt-tolerant gene ThGPX4. The salt-tolerant gene ThGPX4 is used for coding an amino acid sequence as shown in SEQ ID NO: 2. The invention finds that the ThGPX4 gene can significantly improve the salt tolerance of arabidopsis thaliana after overexpression in arabidopsis thaliana, the salt-tolerant gene ThGPX4 is constructed into a plant expression vector, genetic transformation is performed through an agrobacterium tumefaciens-mediated genetic transformation method, and a new germplasm with a salt-tolerant characteristic can be effectively obtained. The method is of great significance to cultivation of new varieties of excellent crops and wide application in production.
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