光合作用2.0:实现新的自然CO2固定,以克服自然代谢的限制。

IF 6.9 2区 生物学 Q1 CELL BIOLOGY
Tobias J Erb
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引用次数: 0

摘要

合成生物学为实现新的天然CO2固定代谢提供了机会,以克服天然光合作用的局限性。目前正在采用两种不同的策略:一种是实现具有碳中和的或碳负(即CO2固定)光呼吸代谢特征的工程植物,如tatronyl-CoA(TaCo)途径,以将光合作用的CO2吸收率提高20%至60%。另一个(可以说是更激进的)是创造一种工程植物,在这种植物中,自然光合作用被另一种CO2固定代谢完全取代,例如CETCH循环,它有可能将CO2吸收率提高20%至200%。这些努力可以通过将植物新陈代谢的能力扩展到自然进化的限制之外,创造出高度改良的作物来应对未来气候变化的挑战,从而彻底改变植物工程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photosynthesis 2.0: Realizing New-to-Nature CO2-Fixation to Overcome the Limits of Natural Metabolism.

Synthetic biology provides opportunities to realize new-to-nature CO2-fixation metabolisms to overcome the limitations of natural photosynthesis. Two different strategies are currently being pursued: One is to realize engineered plants that feature carbon-neutral or carbon-negative (i.e., CO2-fixing) photorespiration metabolism, such as the tatronyl-CoA (TaCo) pathway, to boost CO2-uptake rates of photosynthesis between 20% and 60%. Another (arguably more radical) is to create engineered plants in which natural photosynthesis is fully replaced by an alternative CO2-fixation metabolism, such as the CETCH cycle, which carries the potential to improve CO2 uptake rates between 20% and 200%. These efforts could revolutionize plant engineering by expanding the capabilities of plant metabolism beyond the constraints of natural evolution to create highly improved crops addressing the challenges of climate change in the future.

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来源期刊
CiteScore
15.00
自引率
1.40%
发文量
56
审稿时长
3-8 weeks
期刊介绍: Cold Spring Harbor Perspectives in Biology offers a comprehensive platform in the molecular life sciences, featuring reviews that span molecular, cell, and developmental biology, genetics, neuroscience, immunology, cancer biology, and molecular pathology. This online publication provides in-depth insights into various topics, making it a valuable resource for those engaged in diverse aspects of biological research.
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