Rice brown planthopper-resistant gene wrky51 and application thereof

By overexpressing the WRKY51 gene in rice, and using recombinant vectors and transgenic technology, transgenic rice resistant to brown planthoppers was bred, solving the problems of pest resistance and resource scarcity caused by chemical control, and achieving highly efficient enhanced resistance of rice to brown planthoppers.

CN122168632APending Publication Date: 2026-06-09GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
Filing Date
2026-05-07
Publication Date
2026-06-09

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Abstract

This invention discloses a rice gene for resistance to brown planthoppers. WRKY51 Its applications belong to the field of genetic engineering technology. WRKY51 The CDS sequence of the gene is shown in SEQ ID NO.3. This invention utilizes overexpression in rice... WRKY51 Genes can significantly improve rice resistance to brown planthoppers, providing new genetic resources and technical support for molecular breeding of rice resistant to brown planthoppers, helping to cultivate new rice varieties resistant to brown planthoppers, and promoting green pest control and safe production of rice.
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Claims

1. A rice gene for resistance to brown planthopper WRKY51 Its features are: WRKY51 The CDS sequence of the gene is shown in SEQ ID NO.

3.

2. As described in claim 1 WRKY51 Application of genes in regulating rice resistance to brown planthopper.

3. The application according to claim 2, characterized in that: Through overexpression WRKY51 Genes enhance resistance to brown planthoppers in rice.

4. A protein for controlling rice resistance to brown planthopper, characterized in that: As described in claim 1 WRKY51 Gene encoding.

5. The application of the protein as described in claim 4 in regulating rice resistance to brown planthopper.

6. A recombinant vector, characterized in that: Including the claims 1 WRKY51 Gene.

7. A biomaterial, characterized in that, Contains the recombinant vector as described in claim 6.

8. The biomaterial according to claim 7, characterized in that: Biological materials include recombinant microorganisms, transgenic plant cell lines, or transgenic plant tissues; The recombinant microorganisms are selected from bacteria, yeast, algae, or fungi; The bacteria are one of Escherichia coli, Erwinia coli, Agrobacterium tumefaciens, Flavobacterium, Alcaligenes, Pseudomonas, or Bacillus.

9. The application of the recombinant vector as described in claim 6 or the biomaterial as described in claim 7 in regulating rice resistance to brown planthopper.

10. A method for breeding transgenic rice resistant to brown planthoppers, characterized in that: Using transgenic methods to encode WRKY51 The nucleotide sequence of the gene was transferred into the recipient rice, increasing the quality of the recipient rice. WRKY51 By adjusting the gene expression level, transgenic rice resistant to brown planthoppers was obtained.