Application of oidium heveae-resistant gene ROH1 to arabidopsis

A technology of encoding genes and transgenic plants, which is applied in the application field of Arabidopsis thaliana resistance gene ROH1 to rubber tree powdery mildew, which can solve problems such as environmental pollution, ineffective control of latex production, and newly-pumped leaves of rubber trees.
CN104861053AActive Publication Date: 2015-08-26HAINAN UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
HAINAN UNIVERSITY
Publication Date
2015-08-26

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Abstract

The invention discloses an application of an oidium heveae-resistant gene ROH1 to arabidopsis. The invention provides an application of ROH1 protein, a coding gene of the ROH1 protein or a recombinant vector containing the coding gene to the regulation and control of plant disease resistance; an amino acid sequence of the ROH1 protein is a sequence 2 in a sequence table. An arabidopsis mutant with ROH1 mutation is complemented with the gene ROH1, so that a transgenic plant is obtained and an oidium heveae-resistant phenotype of wild-type arabidopsis is recovered. Therefore, the fact proves that ROH1 is the oidium heveae-resistant gene and lays a very good foundation for breeding for disease resistance.
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Description

technical field

[0001] The invention relates to the field of biotechnology, in particular to the application of Arabidopsis thaliana resistance gene ROH1 to powdery mildew of rubber tree. Background technique

[0002] Rubber tree powdery mildew is a fungal disease caused by rubber tree powdery mildew (Oidium heveae). When the disease occurs, the rubber tree begins to germinate or pull out bronze leaves around the Spring Festival every year. If the temperature is cooler and the air humidity is high, if the spraying control is not taken in time, the powdery mildew will cause a large area of ​​rubber in 3 to 5 days. The young leaves of the tree are susceptible to disease. In the initial stage of young leaves being susceptible to the disease, silver-white spider web-like hyphae appeared on the front or back of the leaves, and then gradually expanded, and white powdery substances grew on the surface of the leaves, forming irregular powder spots of different sizes ( figure 1 ). ...

Claims

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