Enigmatic evolution of microbial nitrogen fixation: insights from Earth's past.

IF 14 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Trends in Microbiology Pub Date : 2024-06-01 Epub Date: 2023-04-13 DOI:10.1016/j.tim.2023.03.011
Holly R Rucker, Betül Kaçar
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引用次数: 0

Abstract

The evolution of nitrogen fixation undoubtedly altered nearly all corners of the biosphere, given the essential role of nitrogen in the synthesis of biomass. To date, there is no unified view on what planetary conditions gave rise to nitrogen fixation or how these conditions have sustained it evolutionarily. Intriguingly, the concentrations of metals that nitrogenases require to function have changed throughout Earth's history. In this review, we describe the interconnection of the metal and nitrogen cycles with nitrogenase evolution and the importance of ancient ecology in the formation of the modern nitrogen cycle. We argue that exploration of the nitrogen cycle's deep past will provide insights into humanity's immediate environmental challenges centered on nitrogen availability.

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微生物固氮作用的神秘演化:从地球过去的角度看问题。
鉴于氮在生物质合成中的重要作用,固氮作用的演化无疑改变了生物圈的几乎所有角落。迄今为止,关于固氮作用是在怎样的地球条件下产生的,以及这些条件是如何维持固氮作用进化的,还没有统一的观点。耐人寻味的是,固氮酶发挥作用所需的金属浓度在整个地球历史中都在发生变化。在这篇综述中,我们描述了金属和氮循环与氮酶进化之间的相互联系,以及古代生态学在现代氮循环形成过程中的重要性。我们认为,对氮循环深层历史的探索将为人类当前面临的以氮可用性为中心的环境挑战提供启示。
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来源期刊
Trends in Microbiology
Trends in Microbiology 生物-生化与分子生物学
CiteScore
25.30
自引率
0.60%
发文量
193
审稿时长
6-12 weeks
期刊介绍: Trends in Microbiology serves as a comprehensive, multidisciplinary forum for discussing various aspects of microbiology, spanning cell biology, immunology, genetics, evolution, virology, bacteriology, protozoology, and mycology. In the rapidly evolving field of microbiology, technological advancements, especially in genome sequencing, impact prokaryote biology from pathogens to extremophiles, influencing developments in drugs, vaccines, and industrial enzyme research.
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