LRK2 gene giving greensickness resistance to plants and application thereof

A Verticillium wilt and gene technology, applied in the field of plant genetic engineering, can solve the problems that the plant growth and development resistance effect has not reached the expected goal, and achieve the effect of enriching resistance gene resources and improving disease resistance traits
CN105586348AInactive Publication Date: 2016-05-18JIANGSU ACADEMY OF AGRICULTURAL SCIENCES +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Publication Date
2016-05-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an LRK2 gene giving greensickness resistance to plants and an application thereof, which belongs to the technical field of biology. The LRK2 gene is a surface receptor protein gene acquired from an upland cotton variety AO3503, the length of a complete coding frame of the LRK2 is 2016 basic groups, a coding protein contains 671 amino acids, the molecular weight is 74KD, and an isoelectric point is 7.85. The disease resistance of transgenic arabidopsis to defoliating type verticillium dahlia V991 and non-defoliating type verticillium dahlia BP2 is obviously enhanced, the disease rate of the transgenic arabidopsis is lower than 20 percent, and the disease rate of a reference wild type is higher than 50 percent.
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Description

1. Technical field

[0001] The invention provides a LRK2 gene for endowing plant with Verticillium wilt resistance and its application, belonging to the field of plant genetic engineering. It is used to improve plant disease resistance and other beneficial production traits through plant genetic engineering technology. 2. Background technology

[0002] At present, verticillium wilt is very serious in production, and it is the main fungal disease of cotton, tomato, pepper, eggplant and other plants, resulting in reduced production or even no harvest. There are no effective control measures. The pathogen of Verticillium wilt is mainly Verticillium dahliae, which exists in the soil for a long time in the form of microsclerotia. Verticillium dahliae will show pathogenicity differences on host plants, and under the influence of host interaction, co-evolution and ecological environment differences, it often produces physiological differentiation and new pathogenic types. Zhang Ti...

Claims

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