From isotopically labeled DNA to fluorescently labeled dynamic pili: building a mechanistic model of DNA transport to the cytoplasmic membrane.

IF 8 1区 生物学 Q1 MICROBIOLOGY Microbiology and Molecular Biology Reviews Pub Date : 2024-03-27 Epub Date: 2024-03-11 DOI:10.1128/mmbr.00125-23
Jason D Zuke, Briana M Burton
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Abstract

SUMMARYNatural competence, the physiological state wherein bacteria produce proteins that mediate extracellular DNA transport into the cytosol and the subsequent recombination of DNA into the genome, is conserved across the bacterial domain. DNA must successfully translocate across formidable permeability barriers during import, including the cell membrane(s) and the cell wall, that are normally impermeable to large DNA polymers. This review will examine the mechanisms underlying DNA transport from the extracellular space to the cytoplasmic membrane. First, the challenges inherent to DNA movement through the cell periphery will be discussed to provide context for DNA transport during natural competence. The following sections will trace the development of a comprehensive model for DNA translocation to the cytoplasmic membrane, highlighting the crucial studies performed over the last century that have contributed to building contemporary DNA import models. Finally, this review will conclude by reflecting on what is still unknown about the process and the possible solutions to overcome these limitations.

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从同位素标记的 DNA 到荧光标记的动态纤毛虫:建立 DNA 向细胞质膜运输的机理模型。
摘要自然能力是指细菌产生介导细胞外 DNA 运输到细胞质并随后将 DNA 重组到基因组的蛋白质的生理状态,这种能力在整个细菌领域都是保留的。在导入过程中,DNA 必须成功地转运穿过难以逾越的渗透性障碍,包括细胞膜和细胞壁,这些障碍通常无法渗透大型 DNA 聚合物。本综述将探讨 DNA 从细胞外空间向细胞质膜运输的基本机制。首先,将讨论 DNA 在细胞外围移动所面临的固有挑战,为 DNA 在自然能力过程中的转运提供背景。接下来的章节将追溯 DNA 向细胞质膜转运的综合模型的发展历程,重点介绍上个世纪开展的重要研究,这些研究为建立当代 DNA 导入模型做出了贡献。最后,本综述将反思这一过程中仍存在的未知因素,以及克服这些局限性的可能解决方案。
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来源期刊
CiteScore
18.80
自引率
0.80%
发文量
27
期刊介绍: Microbiology and Molecular Biology Reviews (MMBR), a journal that explores the significance and interrelationships of recent discoveries in various microbiology fields, publishes review articles that help both specialists and nonspecialists understand and apply the latest findings in their own research. MMBR covers a wide range of topics in microbiology, including microbial ecology, evolution, parasitology, biotechnology, and immunology. The journal caters to scientists with diverse interests in all areas of microbial science and encompasses viruses, bacteria, archaea, fungi, unicellular eukaryotes, and microbial parasites. MMBR primarily publishes authoritative and critical reviews that push the boundaries of knowledge, appealing to both specialists and generalists. The journal often includes descriptive figures and tables to enhance understanding. Indexed/Abstracted in various databases such as Agricola, BIOSIS Previews, CAB Abstracts, Cambridge Scientific Abstracts, Chemical Abstracts Service, Current Contents- Life Sciences, EMBASE, Food Science and Technology Abstracts, Illustrata, MEDLINE, Science Citation Index Expanded (Web of Science), Summon, and Scopus, among others.
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