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Post-translational control of tetrapyrrole biosynthesis in plants, algae, and cyanobacteria

机译:植物,藻类和蓝细菌中四吡咯生物合成的翻译后控制

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摘要

The tetrapyrrole biosynthetic pathway provides the vital cofactors and pigments for photoautotrophic growth (chlorophyll), several essential redox reactions in electron transport chains (haem), N- and S-assimilation (sirohaem), and photomorphogenic processes (phytochromobilin). While the biochemistry of the pathway is well understood and almost all genes encoding enzymes of tetrapyrrole biosynthesis have been identified in plants, the post-translational control and organization of the pathway remains to be clarified. Post-translational mechanisms controlling metabolic activities are of particular interest since tetrapyrrole biosynthesis needs adaptation to environmental challenges. This review surveys post-translational mechanisms that have been reported to modulate metabolic activities and organization of the tetrapyrrole biosynthesis pathway.
机译:四吡咯生物合成途径为光合自养生长(叶绿素),电子传输链(血红素),N和S同化(sirohaem)和光形态发生过程(植物叶绿素)提供了重要的辅因子和色素。尽管已经很好地理解了该途径的生物化学,并且几乎已经在植物中鉴定了编码四吡咯生物合成酶的所有基因,但是该途径的翻译后控制和组织仍有待阐明。由于四吡咯生物合成需要适应环境挑战,因此控制代谢活性的翻译后机制尤为重要。这篇评论调查了翻译后机制,据报道该机制可调节四吡咯生物合成途径的代谢活性和组织。

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  • 来源
    《Journal of Experimental Botany》 |2012年第4期|p.1675-1687|共13页
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    Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Philippstr. 13, Building 12, 10115 Berlin, Germany *Current address: Oak Ridge National Laboratory, Bioscience Division, 1 Bethel Valley Road, Oak Ridge, TN 37831, USA;

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