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Journal of plant biology = 식물학회지 v.39 no.4, 1996년, pp.273 - 278   피인용횟수: 1

Effects of Flavonoids on Pollen Tube Growth in Arabidopsis thaliana

Kim, Young-Soon   (Department of Genetic Engineering, College of Natural Sciences, Chosun UniversityUU0001180  ); Song, Kyu-Sang   (Department of Genetic Engineering, College of Natural Sciences, Chosun UniversityUU0001180  ); Cheong, Hyeon-Sook   (Department of Genetic Engineering, College of Natural Sciences, Chosun UniversityUU0001180  );
  • 초록

    Arabidopsis mutants deficient in flavonoid and sinapate ester (tt4 and fah1-7, respectively) were evaluated in vivo and in vitro to study the possible role of flavonoid compounds in pollen tube growth. In vivo, we investigated pollen tube growth in the pistils of the mutants and wild type(Ler). The growth of pollen tubes was significantly different among the three genotypes. In the fal1-7 pistils, the tubes grew to a greater length relative to those of the wild type or tt4. To examine in vitro pollen tube growth, a solid medium was devised for pollen germination and subsequent growth. In vitro, the identical result was obtained; fahl-7 pollens developed the longest tubes and elongated most rapidly. Therefore, the growth response of pollen tubes to phenolic compounds was examined by adding quercetin or sinapate ester in various concentrations to the media. Quercetin enhanced both germination rate and tube growth in the pollens of the mutants and the wild type, especially in tt4. In contrast, sinapate ester inhibits pollen germination and pollen tube growth in three genotypes. These results suggest that flavonoids and related phenolic compounds have physiological role in the plant reproductive system.


  • 주제어

    falvonoids .   sinapate ester .   quercetin .   pollen tube growth .   pollen gemination.  

  • 이 논문을 인용한 문헌 (1)

    1. 1998. "" Journal of plant biology = 식물학회지, 41(2): 110~115     

 저자의 다른 논문

  • Kim, Young-soon (3)

    1. 1996 "Transformation and Expression of the PAT Gene in Arabidopsis Tryptophan Mutants" Journal of plant biology = 식물학회지 39 (4): 243~247    
    2. 1997 "Construction of Targeting Vectors to Disrupt PAT1 Gene in Arabidopsis Trp1-100" Journal of plant biology = 식물학회지 40 (3): 206~211    
    3. 1998 "Protoplast Isolation and Regeneration of Fertile Plants from Arabidopsis Trp Mutant, trp1-100" Korean journal of biological sciences 2 (2): 239~242    
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