Photoinhibition of photosystem I: Its physiological significance in the chilling sensitivity of plants

Kintake Sonoike*

*この研究の対応する著者

研究成果: Review article査読

218 被引用数 (Scopus)

抄録

Photoinhibition was defined originally as the decrease in photosynthetic activity that occurs upon excess illumination. The site of photoinhibition has generally been considered to be located in PSII. However, a novel type of photoinhibition has recently been characterized in chilling-sensitive plants. This photoinhibition occurs under relatively weak illumination at chilling temperatures and the main site of damage is in PSI. The photoinhibition of PSI is initiated by the inactivation of the acceptor side, with the subsequent destruction of the reaction center and the degradation of the product of the psaB gene, which is one of the two major subunit polypeptides of the PSI reaction center complex. Chilling and oxidative stress (the presence of reactive species of oxygen) are characteristic requirements for the photoinhibition of PSI to vivo.

本文言語English
ページ(範囲)239-247
ページ数9
ジャーナルPlant and Cell Physiology
37
3
DOI
出版ステータスPublished - 1996 4月
外部発表はい

ASJC Scopus subject areas

  • 生理学
  • 植物科学
  • 細胞生物学

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