Journal
JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY
Volume 52, Issue 4, Pages 397-400Publisher
KOREAN SOC APPLIED BIOLOGICAL CHEMISTRY
DOI: 10.3839/jksabc.2009.070
Keywords
ethylene; hyperhydricity; H2O2; micropropagation; potato; superoxide dismutase
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Funding
- Ministry of Science and Technology of Korean government
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The occurrence of hyperhydricity in transgenic potato plants, which carry a chloroplastic Cu/ZnSOD gene of the lily in either a sense or antisense orientation, was investigated during in vitro culturing. Hyperhydric symptoms included curled leaves with a succulent appearance that were mainly observed in Cu/ZnSOD sense plants. By contrast, antisense plants showed a low frequency of hyperhydricity and a high rate of ex vitro survival. Therefore, a knockdown approach for a chCu/ZnSOD gene could be a practical method to reduce hyperhydricity in plant micropropagation.
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