Mutated insecticidal protein vip3 and application thereof

By performing specific site amino acid mutations and vector integration on Vip3 family proteins, the problems of low expression levels of insecticidal proteins and poor insect resistance in existing transgenic plants have been solved, achieving efficient pest management and improved plant insect resistance.

CN122444836APending Publication Date: 2026-07-24QINGDAO KINGAGROOT SEED SCI CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO KINGAGROOT SEED SCI CO LTD
Filing Date
2023-08-31
Publication Date
2026-07-24

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Abstract

The present application relates to the field of biotechnology, more particularly, the present application relates to a mutant insecticidal protein Vip3 and its application. The present application obtains the mutant insecticidal protein Vip3 which can be highly expressed in plant cells and has excellent insecticidal effect on various pests by point mutation on the original Vip3 family protein sequence, and the toxicity of the mutant insecticidal protein Vip3 to plant cells is reduced.
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