机械力控制宿主细胞与细胞内细菌病原体的相互作用。

IF 8 1区 生物学 Q1 MICROBIOLOGY
Effie E Bastounis, Prathima Radhakrishnan, Christopher K Prinz, Julie A Theriot
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引用次数: 6

摘要

为了对抗传染病,了解宿主细胞如何与细菌病原体相互作用是很重要的。从病原体到宿主的信号传递,反之亦然,可能是化学的或机械的。虽然宿主-病原体相互作用的分子和生化基础已被广泛探索,但对这些相互作用背景下的机械信号和反应的了解相对较少。然而,各种各样的细菌病原体似乎已经发展出改变宿主细胞生物力学的机制,以促进它们的生存和传播,反过来,许多宿主对感染的反应依赖于宿主细胞和组织的机械改变来限制感染的传播。在这篇综述中,我们介绍了宿主细胞产生的机械力如何促进或阻碍细胞内细菌病原体的传播的最新发现。此外,我们还讨论了体内细胞外机械信号如何影响宿主细胞和细胞内细菌病原体之间的相互作用。这种信号的例子包括由细胞表面的流体流动引起的剪切应力和细胞锚定的细胞外基质的可变刚度。我们强调生物工程启发的工具和技术,可用于测量宿主细胞力学在感染期间。这使得人们可以探究机械信号如何与生化信号一起调节感染。我们希望这篇综述将激励微生物学界在未来的研究中采用这些工具,以便在感染研究的背景下更容易地探索宿主细胞生物力学。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mechanical Forces Govern Interactions of Host Cells with Intracellular Bacterial Pathogens.

To combat infectious diseases, it is important to understand how host cells interact with bacterial pathogens. Signals conveyed from pathogen to host, and vice versa, may be either chemical or mechanical. While the molecular and biochemical basis of host-pathogen interactions has been extensively explored, relatively less is known about mechanical signals and responses in the context of those interactions. Nevertheless, a wide variety of bacterial pathogens appear to have developed mechanisms to alter the cellular biomechanics of their hosts in order to promote their survival and dissemination, and in turn many host responses to infection rely on mechanical alterations in host cells and tissues to limit the spread of infection. In this review, we present recent findings on how mechanical forces generated by host cells can promote or obstruct the dissemination of intracellular bacterial pathogens. In addition, we discuss how in vivo extracellular mechanical signals influence interactions between host cells and intracellular bacterial pathogens. Examples of such signals include shear stresses caused by fluid flow over the surface of cells and variable stiffness of the extracellular matrix on which cells are anchored. We highlight bioengineering-inspired tools and techniques that can be used to measure host cell mechanics during infection. These allow for the interrogation of how mechanical signals can modulate infection alongside biochemical signals. We hope that this review will inspire the microbiology community to embrace those tools in future studies so that host cell biomechanics can be more readily explored in the context of infection studies.

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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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