Resistance to the fungal pathogen Phytophthora infestans of transgenic potato plants harboring of chitinase gene = Chitinase 유전자 도입 형질전환 감자식물체의 역병 저항성

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Title
Resistance to the fungal pathogen Phytophthora infestans of transgenic potato plants harboring of chitinase gene = Chitinase 유전자 도입 형질전환 감자식물체의 역병 저항성
Author(s)
Kyung Hwa Choi; Deok Chun Yang; Hyun Soon Kim; Kyung Ja Choi; Kwang Yun Cho; Hyouk Joung
Bibliographic Citation
Korean Journal of Plant Biotechnology (Tissue Culture), vol. 26, no. 3, pp. 177-182
Publication Year
1999
Abstract
A fungal infection assay between normal and transgenic potato harboring chitinase gene in cultivar Belchip was investigated. In the first stage of experiment, seven transgenic lines having 12cm tall were tested for their resistance against potato late blight pathogen Phytophthora infestans by infection with the zoospores, artificially. Susceptibility to potato late blight infection could be classified into three types based on the rate. In terms of resistance to the disease, two lines were higher, two lines were more suppressive, and three lines were similar as compared with the control. In the following experiment, only 2 resistant lines and 1 suppressed line were used to confirm the resistance again. The results of both experiments were similar. Furthermore, two highly resistant transgenic lines grown in field exhibited a higher resistance than control under the conditions of natural ocurrence of the fungal disease.
Keyword
fungal infectionpotato late blighttransgenic line
ISSN
1015-5880
Publisher
Korea Soc-Assoc-Inst
Type
Article
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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