Thiobencarb herbicide reduces growth, photosynthetic activity, and amount of rieske iron-sulfur protein in the diatom Thalassiosira pseudonana

Yohei Shimasaki, Michito Tsuyama, Rumana Tasmin, Xuchun Qiu, Motoyuki Shimizu, Yusuke Sato, Yasuhiro Yamasaki, Yoko Kato-Unoki, Atsushi Nukata, Takashi Nakashima, Hirofumi Ichinose, Hiroyuki Wariishi, Tsuneo Honjo, Yuji Oshima

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

We investigated the effects of the herbicide thiobencarb on the growth, photosynthetic activity, and expression profile of photosynthesis-related proteins in the marine diatom Thalassiosira pseudonana. Growth rate was suppressed by 50% at a thiobencarb concentration of 1.26 mg/L. Growth and photosystem II activity (Fv/Fm ratio) were drastically decreased at 5 mg/L, at which the expression levels of 13 proteins increased significantly and those of 11 proteins decreased significantly. Among these proteins, the level of the Rieske iron-sulfur protein was decreased to less than half of the control level. This protein is an essential component of the cytochrome b6f complex in the photosynthetic electron transport chain. Although the mechanism by which thiobencarb decreased the Rieske iron-sulfur protein level is not clear, these results suggest that growth was inhibited by interruption of the photosynthetic electron transport chain by thiobencarb.

元の言語英語
ページ(範囲)437-444
ページ数8
ジャーナルJournal of Biochemical and Molecular Toxicology
27
発行部数9
DOI
出版物ステータス出版済み - 9 1 2013

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Diatoms
Herbicides
Growth
Electron Transport
Proteins
Cytochrome b6f Complex
Photosystem II Protein Complex
Photosynthesis
Level control
Rieske iron-sulfur protein
benthiocarb

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Toxicology
  • Health, Toxicology and Mutagenesis

これを引用

Thiobencarb herbicide reduces growth, photosynthetic activity, and amount of rieske iron-sulfur protein in the diatom Thalassiosira pseudonana. / Shimasaki, Yohei; Tsuyama, Michito; Tasmin, Rumana; Qiu, Xuchun; Shimizu, Motoyuki; Sato, Yusuke; Yamasaki, Yasuhiro; Kato-Unoki, Yoko; Nukata, Atsushi; Nakashima, Takashi; Ichinose, Hirofumi; Wariishi, Hiroyuki; Honjo, Tsuneo; Oshima, Yuji.

:: Journal of Biochemical and Molecular Toxicology, 巻 27, 番号 9, 01.09.2013, p. 437-444.

研究成果: ジャーナルへの寄稿記事

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abstract = "We investigated the effects of the herbicide thiobencarb on the growth, photosynthetic activity, and expression profile of photosynthesis-related proteins in the marine diatom Thalassiosira pseudonana. Growth rate was suppressed by 50{\%} at a thiobencarb concentration of 1.26 mg/L. Growth and photosystem II activity (Fv/Fm ratio) were drastically decreased at 5 mg/L, at which the expression levels of 13 proteins increased significantly and those of 11 proteins decreased significantly. Among these proteins, the level of the Rieske iron-sulfur protein was decreased to less than half of the control level. This protein is an essential component of the cytochrome b6f complex in the photosynthetic electron transport chain. Although the mechanism by which thiobencarb decreased the Rieske iron-sulfur protein level is not clear, these results suggest that growth was inhibited by interruption of the photosynthetic electron transport chain by thiobencarb.",
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AU - Qiu, Xuchun

AU - Shimizu, Motoyuki

AU - Sato, Yusuke

AU - Yamasaki, Yasuhiro

AU - Kato-Unoki, Yoko

AU - Nukata, Atsushi

AU - Nakashima, Takashi

AU - Ichinose, Hirofumi

AU - Wariishi, Hiroyuki

AU - Honjo, Tsuneo

AU - Oshima, Yuji

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