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JIA Ling-Yun, SUN Kun, FENG Han-Qing, LI Yan, XUE Wei, DONG Huan-Huan. Photosynthesis and the Emission of Isoprene Are Mediated by Respiration[J]. Plant Science Journal, 2012, (2): 193-197. DOI: 10.3724/SP.J.1142.2012.20193
Citation: JIA Ling-Yun, SUN Kun, FENG Han-Qing, LI Yan, XUE Wei, DONG Huan-Huan. Photosynthesis and the Emission of Isoprene Are Mediated by Respiration[J]. Plant Science Journal, 2012, (2): 193-197. DOI: 10.3724/SP.J.1142.2012.20193

Photosynthesis and the Emission of Isoprene Are Mediated by Respiration

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  • Received Date: August 16, 2011
  • Revised Date: October 23, 2011
  • Published Date: April 29, 2012
  • After exposing fully expanded poplar (Populus alba L.) leaves to continuous irradiation,the photosynthetic rate and isoprene emissions increased.Continuous irradiation also enhanced the levels of total respiration and the capacities of the cytochrome and alternative respiratory pathways.Pretreatments with cytochrome and alternative respiratory pathways inhibitors,salicylhydroxamic acid and KCN,decreased the photosynthetic rate and isoprene emissions.These treatments also decreased the immediate quantum yield of PSⅡ electron transport and photochemical quenching.These results suggest that respiration plays a role in mediating photosynthesis and isoprene emissions.
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