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Journal of plant biology = 식물학회지 v.50 no.4, 2007년, pp.490 - 495   피인용횟수: 3

Growth and Tuberization of Transgenic Potato Plants Expressing Sense and Antisense Sequences of Cu/Zn Superoxide Dismutase from Lily Chloroplasts

Kim, Mi-Sun    (Plant Genome Research Center, KRIBB   ); Kim, Hyun-Soon    (Plant Genome Research Center, KRIBB   ); Kim, Han-Na    (Plant Genome Research Center, KRIBB   ); Kim, Yoon-Shik    (Plant Genome Research Center, KRIBB   ); Baek, Kwang-Hyun    (Plant Genome Research Center, KRIBB   ); Park, Youn-Il    (School of Biosciences and Biotechnology, Chungnam National University   ); Joung, Hyo-Uk    (Plant Genome Research Center, KRIBB   ); Jeon, Jae-Heung    (Plant Genome Research Center, KRIBB  );
  • 초록

    Overexpression of a chloroplast-localized Cu/Zn superoxide dismutase (chCu/ZnSOD) obtained from lily significantly affects the growth and shape of potato tubers from an in vitro culture system (Kim et al., 2007). Here, we further characterized the sense and antisense transgenic potatoes grown and pots and the greenhouse to investigate the potential for more practical field applications of such phenotypic manipulations. Under in vitro conditions, antisense transgenic plants showed increased shoot growth, delayed tuberization, and altered tuber shapes. When antisense plants were treated with paclobutrazol, an inhibitor of GA biosynthesis, tuberization efficiency and tuber shape were recovered to a status very similar to that of in vitrogrown wild-type plants. Our results strongly support the idea that potato tuberization and shape is mediated by SOD-catalyzed reactive oxygen species, possibly via the GA biosynthesis pathway.


  • 주제어

    antisense .   Cu/Zn superoxide dismutase .   gibberellin .   sense .   Solanum tuberosum .   tuberization.  

  • 참고문헌 (29)

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  • 이 논문을 인용한 문헌 (3)

    1. 2008. "" Journal of plant biology = 식물학회지, 51(6): 401~407     
    2. 2009. "" Journal of plant biology = 식물학회지, 52(2): 154~160     
    3. 2010. "" Molecules and cells, 30(1): 37~49     

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