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Photoregulation of protochlorophyllide oxidoreductase and Rubisco large subunit accumulation in phytochrome A-deficient transgenic tobacco plants

机译:植物色素A缺乏型转基因烟草植物中原叶绿素内酯氧化还原酶的光调节和Rubisco大亚基的积累

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摘要

Some morphogenetic responses, induced by far red (FR) light in tobacco plants (Nicotiana tabacum L.), were studied. The inhibitory effect of FR irradiation on chlorophyll synthesis in transgenic plants with reduced phytochrome A content was almost absent. Phytochrome A-mediated repression of the por gene was demonstrated with the use of polyclonal antiserum against protochlorophyllide oxidoreductase. Continuous FR light induced the accumulation of Rubisco large subunits in wild-type but not in transgenic tobacco plants. Our data confirm the suggestion that phytochrome A mediates photoregulation of the synthesis of these proteins.
机译:研究了烟草植物(Nicotiana tabacum L.)中由远红(FR)光诱导的一些形态发生反应。几乎没有FR辐射对植物色素A含量降低的转基因植物中叶绿素合成的抑制作用。通过使用抗原叶绿素氧化还原酶的多克隆抗血清,证明了植物色素A介导的por基因抑制。连续的FR光在野生型中诱导了Rubisco大亚基的积累,但在转基因烟草植物中却没有。我们的数据证实了植物色素A介导这些蛋白质合成的光调节的暗示。

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