Reconstructing Early Microbial Life.

IF 8.5 1区 生物学 Q1 MICROBIOLOGY Annual review of microbiology Pub Date : 2024-08-20 DOI:10.1146/annurev-micro-041522-103400
Betül Kaçar
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Abstract

For more than 3.5 billion years, life experienced dramatic environmental extremes on Earth. These include shifts from oxygen-less to overoxygenated atmospheres and cycling between hothouse conditions and global glaciations. Meanwhile, an ecological revolution took place. Earth evolved from one dominated by microbial life to one containing the plants and animals that are most familiar today. Many key cellular features evolved early in the history of life, collectively defining the nature of our biosphere and underpinning human survival. Recent advances in molecular and evolutionary biology have profoundly deepened our understanding of the origin and evolution of microbes across deep time. However, the incorporation of molecular genetics, population biology, and evolutionary biology approaches into the study of Precambrian biota remains a significant challenge. This review synthesizes our current knowledge of early microbial life with an emphasis on ancient metabolisms. It also outlines the foundations of an emerging interdisciplinary area that integrates microbiology, paleobiology, and evolutionary synthetic biology to reconstruct ancient biological innovations.

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重建早期微生物生命
35 亿多年来,地球上的生命经历了剧烈的极端环境变化。其中包括从无氧大气到过氧大气的转变,以及温室条件和全球冰川之间的循环。与此同时,一场生态革命发生了。地球从一个以微生物生命为主的地方进化成了一个拥有今天人们最熟悉的植物和动物的地方。许多关键的细胞特征在生命史的早期就已经进化,共同决定了我们生物圈的性质,并支撑着人类的生存。分子生物学和进化生物学的最新进展大大加深了我们对微生物起源和进化的理解。然而,将分子遗传学、种群生物学和进化生物学方法纳入前寒武纪生物群的研究仍是一项重大挑战。这篇综述综述了我们目前对早期微生物生命的了解,重点是古代谢。它还概述了一个新兴跨学科领域的基础,该领域整合了微生物学、古生物学和进化合成生物学,以重建古代生物创新。
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来源期刊
Annual review of microbiology
Annual review of microbiology 生物-微生物学
CiteScore
18.10
自引率
0.00%
发文量
37
期刊介绍: Annual Review of Microbiology is a Medical and Microbiology Journal and published by Annual Reviews Inc. The Annual Review of Microbiology, in publication since 1947, covers significant developments in the field of microbiology, encompassing bacteria, archaea, viruses, and unicellular eukaryotes. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license. The Impact Factor of Annual Review of Microbiology is 10.242 (2024) Impact factor. The Annual Review of Microbiology Journal is Indexed with Pubmed, Scopus, UGC (University Grants Commission).
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