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Expression of Autophagy-associated ATG8 Genes during Petal Senescence in Japanese Morning Glory

  • Shibuya Kenichi
    National Institute of Floricultural Science, National Agriculture and Food Research Organization (NARO)
  • Shimizu Keiichi
    Faculty of Agriculture, Kagoshima University
  • Yamada Tetsuya
    Tokyo University of Agriculture and Technology
  • Ichimura Kazuo
    National Institute of Floricultural Science, National Agriculture and Food Research Organization (NARO)

Bibliographic Information

Other Title
  • アサガオ花弁老化時におけるオートファジー関連遺伝子 <i>ATG8</i> の発現

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Abstract

Petal senescence is a highly regulated developmental process that is controlled by multiple genes. We examined the regulation of autophagy, which has been thought to be involved in petal senescence in Japanese morning glory. Five of six isolated autophagy-related gene 8 (ATG8) homologs in Japanese morning glory, InATG8a, b, d, e, and f were highly expressed in senescing petal limbs, indicating that multiple members of the InATG8 gene family are involved in the regulation of autophagy during petal senescence. Suppressed InATG8f expression in transgenic plants altered neither autophagic activity nor petal senescence, suggesting that some members of the InATG8 gene family have redundant function in the induction of autophagy in petal senescence. It was confirmed from these findings that autophagy is induced during petal senescence in Japanese morning glory, suggesting that autophagy plays an important role in petal senescence.<br>

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Details

  • CRID
    1390282680265808640
  • NII Article ID
    130004951635
  • NII Book ID
    AA12177046
  • DOI
    10.2503/jjshs1.80.89
  • ISSN
    1882336X
    18823351
  • NDL BIB ID
    10935037
  • Text Lang
    en
  • Data Source
    • JaLC
    • NDL
    • Crossref
    • CiNii Articles
    • KAKEN

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