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Title 

Expression of lily chloroplastic Cu, Zn superoxide dismutase enhances resistance to Erwinia carotovora in potatoes

Authors 

Mi Sun KimHyun Soon KimYoon Sik KimK H BaekJae Sun MoonD ChoiHyouk JoungJae Heung Jeon

Publisher 

Han Rim Won Publishing Company

Issue Date 

2007

Citation 

Plant Pathology Journal, vol. 23, no. 4, pp. 300-307

Keywords 

erwiniapotatoresistanceSODsuperoxide anion

Abstract 

Previously, a chloroplast-localized Cu,Zn superoxide dismutase (chCu,ZnSOD) was isolated from lily and the sense- and antisense- sequences of the lily chCu,ZnSOD were used to transform potato plants. Two selected lines, the sense- and anti-sense strand of transgenic plants, were further characterized for resistance to Erwinia carotovora, which is a severe pathogen affecting potato plants. Only the sense-strand transgenic potato, which contained less O2- and more H2O2 than wild-type and antisense-strand transgenic plants, showed increased resistance to E. carotovora. Additional studies using O2-or H2O2 scavengers in wild-type, sense-strand, and antisense-strand transgenic plants suggest that resistance to E. carotovora is induced by reduced O2-. and is not influenced by H2O2. To the best of our knowledge, this report is the first study suggesting that resistance to E. carotovora is enhanced by reduced O2-, and not by increased amounts of H2O2.

ISSN 

1598-2254

Link 

http://dx.doi.org/10.5423/PPJ.2007.23.4.300

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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