Effect of Polyamines on Photosynthesis of Source and Sink Organs in Rice (Oryza sativa L.)

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概要

• 論文の詳細を見る

• The levels of total and individual polyamine and arginine decarboxylase, the key enzyme of its biosynthesis, varied not only between source (flag leaf) and sink (spikelet) organs but also in stages of panicle development in rice. The polyamine(s) titers increased by 1.2 and 3-fold (approx.) in source and sink organs, respectively, at the milky stage of panicle development. How-ever, the activity of arginine decarboxylase did not follow the same patttern, decreasing gradually in the source organ. The effects of polyamine on the Hill reaction in isolated chloroplasts and in vivo ^<14>CO_2 fixation were inhibitory. The degree of inhibition in the various developmental stages depended on the concentration of the polyamines.

• 日本植物生理学会の論文

著者

• Chatterjee Soumen

  Plant Physiology Laboratory Bose Institute

• Maitra Niranjan

  Plant Physiology Laboratory Bose Institute

• Sen S.

  Department Of Botany University Of Kalyani

• Sen S.

  Department Of Botany Kalyani University

• Ghosh Bharati

  Plant Physiology Laboratory Bose Institute

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