Chlorophyll precursors are signals of chloroplast origin involved in light induction of nuclear heat-shock genes

Janette Kropat; Ulrike Oster; Wolfhart Rudiger

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Chlorophyll precursors are signals of chloroplast origin involved in light induction of nuclear heat-shock genes

机译：叶绿素前体是叶绿体起源的信号，涉及光诱导核热休克基因

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Coordination between the activities of or- ganelles and the nucleus requires the exchange of signals. Using Chlamydomonas, we provide evidence that plastid- derived chlorophyll precursors may replace light in the in- duction of two nuclear heat-shock genes (HSP70A and HSP70B) and thus qualify as plastidic signal. Mutants defec- tive in the synthesis of Mg-protoporphyrin IX were no longer inducible by light. Feeding of Mg-protoporphyrin IX or its dimethyl ester to wild-type or mutant cells in the dark resulted in induction. The analysis of HSP70A promoter mutants that do or do not respond to light revealed that these chlorophyll precursors specifically activate the light signaling pathway.

机译：器官活动与细胞核之间的协调需要信号交换。使用衣藻，我们提供的证据表明，质体来源的叶绿素前体可能会在两个核热休克基因（HSP70A和HSP70B）的诱导中替代光，因此符合质体信号。 Mg-原卟啉IX合成中有缺陷的突变不再被光诱导。在黑暗中将Mg-原卟啉IX或其二甲基酯进料至野生型或突变细胞导致诱导。对光不响应的HSP70A启动子突变体的分析表明，这些叶绿素前体特异性激活光信号通路。

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《Proceedings of the National Academy of Sciences of the United States of America》 |1997年第25期|p.14168-14172|共5页
作者
Janette Kropat; Ulrike Oster; Wolfhart Rudiger;
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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
中图分类自然科学总论;
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1. Light-dependent expression in liverwort cells of chlL/N and chlB identified as chloroplast genes involved in chlorophyll synthesis in the dark [J] . TAKANORI SUZUKI, SUSMU TAKIO, TOSHIO SATOH Journal of Plant Physiology . 1998,第1期

机译：chlL / N和chlB在黑麦草细胞中的光依赖性表达被确定为在黑暗中参与叶绿素合成的叶绿体基因
2. Characterization of photoreceptor and signaling pathway for light induction of the Chlamydomonas heat-shock gene HSP70A [J] . Kropat J., Beck CF. Photochemistry and Photobiology: An International Journal . 1998,第3期

机译：衣藻热休克基因HSP70A的光感受器和信号传导途径的表征
3. Defects in the Cytochrome b6/f Complex Prevent Light-Induced Expression of Nuclear Genes Involved in Chlorophyll Biosynthesis [J] . Ning Shao Olivier Vallon Rachel Dent Krishna K. Niyogi and Christoph F. Beck Plant Physiology . 2006,第3期

机译：细胞色素b6 / f复合物中的缺陷阻止了叶绿素生物合成所涉及的核基因的光诱导表达。
4. Hydrogen peroxide generated by NADPH oxidase is involved in high blue light-induced chloroplast avoidance movements in Arabidopsis [C] . Feng Wen, Da Xing, Lingrui Zhang Photonics and imaging in biology and medicine . 2009

机译：NADPH氧化酶产生的过氧化氢参与拟南芥中高蓝光诱导的叶绿体回避运动
5. Analysis of signal transduction components in light induction of thegsa gene for an early chlorophyll biosynthetic step in Chlamydomonas reinhardtii. [D] . Im, Chung-soon. 1999

机译：在莱茵衣藻的早期叶绿素生物合成步骤中，光诱导thegsa基因的信号转导成分分析。
6. Chlorophyll precursors are signals of chloroplast origin involved in light induction of nuclear heat-shock genes [O] . Janette Kropat, Ulrike Oster, Wolfhart Rüdiger, 1997

机译：叶绿素前体是叶绿体起源的信号参与光诱导核热休克基因。
7. Chloroplast signalling in the light induction of nuclear HSP70 genes requires the accumulation of chlorophyll precursors and their accessibility to cytoplasm/nucleus [O] . Janette Kropat, Ulrike Oster, Wolfhart Rüdiger, 2008

机译：核HSP70基因的光诱导中的叶绿体信号传导需要叶绿素前体的积累及其对细胞质/核的可用性

Chlorophyll precursors are signals of chloroplast origin involved in light induction of nuclear heat-shock genes

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