Expression Analysis of Genes for Callose Synthases and Rho-Type Small GTP-Binding Proteins That Are Related to Callose Synthesis in Rice Anther

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The most chilling-sensitive stage of rice has been found to be at the onset of microspore release. The microsporocytes produce a wall of callose between the primary cell wall and the plasma membrane, and it has been shown that precise regulation of callose synthesis and degradation in anther is essential for fertile pollen formation. In this study, genes for 10 callose synthases in the rice genome were fully annotated and phylogenetically analyzed. Expression analysis of these genes showed that <I>OsGSL5</I>, an ortholog of microsporogenesis-related <I>AtGSL2</I>, was specifically expressed in anthers, and was notably downregulated by cooling treatment. Gene expression profiles of Rho-type small GTP-binding proteins in rice anther were also analyzed. The mechanisms of callose synthesis in rice pollen formation and its relationships with cool tolerance are discussed.

収録刊行物

  • Bioscience, biotechnology, and biochemistry  

    Bioscience, biotechnology, and biochemistry 70(3), 639-645, 2006-03-23 

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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各種コード

  • NII論文ID(NAID)
    10018533363
  • NII書誌ID(NCID)
    AA10824164
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09168451
  • NDL 記事登録ID
    7871858
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産) // ZR2(科学技術--生物学--生化学) // ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-G223
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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