고추의 역병 저항성 품종 개발을 위하여 Agrobacterium tumefaciens를 이용한 elicitin 유전자 도입
Agrobacterium-Mediated Genetic Transformation of Pepper for the Development of Blight Resistant Cultivar
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The study was carried out to develop transformants resisting to Phytophthora blight disease in the domestic pepper cultivar Subicho. In transforming of syn600 promoter with elicitin gene using Agrobacterium (LBA4404/pBI101 syn600-synα-elicitin) to cotyledons of pepper, rate of shoot formation in ‘Subicho’ was 11.1% in medium containing 3 mg/L zeatin and 0.05 mg/L NAA, and also 12.8% in medium containing combination of 4 mg/L zeatin and 0.05 mg/L NAA. For PCR reaction using elicitin gene primer of transformants regenerated from cotyledons, we detected a specific band of 536 bp, and also showed strong signal at position of 536 bp in accordance with NPTII gene used as probe in Southern blot. Transformants pepper shown resistance to blight fungus was inoculated to seedlings of the T1 and T2 transformants by concentration (density: zoo spore 103/mL).
Abstract
The study was carried out to develop transformants resisting to Phytophthora blight disease in the domestic pepper cultivar Subicho. In transforming of syn600 promoter with elicitin gene using Agrobacterium (LBA4404/pBI101 syn600-synα-elicitin) to cotyledons of pepper, rate of shoot formation in ‘Subicho’ was 11.1% in medium containing 3 mg/L zeatin and 0.05 mg/L NAA, and also 12.8% in medium containing combination of 4 mg/L zeatin and 0.05 mg/L NAA. For PCR reaction using elicitin gene primer of transformants regenerated from cotyledons, we detected a specific band of 536 bp, and also showed strong signal at position of 536 bp in accordance with NPTII gene used as probe in Southern blot. Transformants pepper shown resistance to blight fungus was inoculated to seedlings of the T1 and T2 transformants by concentration (density: zoo spore 103/mL).