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光系统 II 捕光叶绿素 a/b 结合蛋白的光和营养调控在眼虫中的 mRNA 水平。

Photo and Nutritional Regulation of the Light-Harvesting Chlorophyll a/b-Binding Protein of Photosystem II mRNA Levels in Euglena.

机构信息

School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68588.

出版信息

Plant Physiol. 1992 Mar;98(3):808-12. doi: 10.1104/pp.98.3.808.

DOI:10.1104/pp.98.3.808
PMID:16668752
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1080273/
Abstract

In Euglena gracillis var bacillaris, light exposure increases the level of mRNA encoding the light-harvesting chlorophyll a/b-binding protein of photosystem II (LHCPII) approximately twofold. LHCPII mRNA levels increased in the dark upon either malate or ethanol addition. LHCPII mRNA is present but LHCPII is not synthesized in the bleached mutants W(3)BUL and W(10)BSmL, which lack protochlorophyll(ide) and most if not all of the chloroplast genome. Light exposure increased LHCPII mRNA levels in W(3)BUL but not in W(10)BSmL. Carbon availability and light acting through a nonchloroplast photoreceptor appear to regulate LHCPII mRNA levels. A chloroplast photoreceptor and/or a product produced by the chloroplast appear to regulate LHCPII mRNA translation.

摘要

在衣藻变种中,光暴露使编码光合系统 II (PSII)的光捕获叶绿素 a / b 结合蛋白(LHCPII)的 mRNA 水平增加约两倍。无论添加苹果酸还是乙醇,在黑暗中LHCPII mRNA 水平都会增加。在缺少原叶绿素(ide)和大部分(如果不是全部)叶绿体基因组的白化突变体 W(3)BUL 和 W(10)BSmL 中存在 LHCPII mRNA,但未合成 LHCPII。光暴露增加了 W(3)BUL 中的 LHCPII mRNA 水平,但在 W(10)BSmL 中没有增加。碳供应和通过非叶绿体光受体的光似乎调节 LHCPII mRNA 水平。叶绿体光受体和/或叶绿体产生的产物似乎调节 LHCPII mRNA 的翻译。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0dc8/1080273/5305a2406a26/plntphys00702-0020-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0dc8/1080273/93597d9ed57b/plntphys00702-0019-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0dc8/1080273/5305a2406a26/plntphys00702-0020-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0dc8/1080273/93597d9ed57b/plntphys00702-0019-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0dc8/1080273/5305a2406a26/plntphys00702-0020-a.jpg

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引用本文的文献

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本文引用的文献

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Plant Physiol. 1989 May;90(1):63-9. doi: 10.1104/pp.90.1.63.
2
delta-Aminolevulinic Acid Synthase of Euglena gracilis: Regulation of Activity.纤细裸藻的δ-氨基乙酰丙酸合酶:活性调节
Plant Physiol. 1982 Jul;70(1):219-26. doi: 10.1104/pp.70.1.219.
3
Nutritional Regulation of Organelle Biogenesis in Euglena: REPRESSION OF CHLOROPHYLL AND NADP-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE SYNTHESIS.眼虫类生物细胞器生物发生的营养调控:对叶绿素和 NADP-甘油醛-3-磷酸脱氢酶合成的抑制。
Plant Physiol. 1980 Feb;65(2):382-6. doi: 10.1104/pp.65.2.382.
4
Light-induced Enzyme Formation in a Chlorophyll-less Mutant of Euglena gracilis.光诱导的小球藻叶绿素缺失突变体中的酶形成。
Plant Physiol. 1978 Nov;62(5):678-82. doi: 10.1104/pp.62.5.678.
5
Events Surrounding the Early Development of Euglena Chloroplasts: VI. Action Spectra for the Formation of Chlorophyll, Lag Elimination in Chlorophyll Synthesis, and Appearance of TPN-dependent Triose Phosphate Dehydrogenase and Alkaline DNase Activities.眼虫叶绿体早期发育过程中的事件:六. 叶绿素形成的作用光谱、叶绿素合成中的迟滞消除、以及 TPN 依赖性磷酸丙糖脱氢酶和碱性 DNA 酶活性的出现。
Plant Physiol. 1975 Aug;56(2):318-23. doi: 10.1104/pp.56.2.318.
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