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Annual review of microbiology最新文献

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Unpacking Alternative Features of the Bacterial Chemotaxis System. 解读细菌趋化系统的另类特征
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1146/annurev-micro-032421-110850
A R Muok, F A Olsthoorn, A Briegel
{"title":"Unpacking Alternative Features of the Bacterial Chemotaxis System.","authors":"A R Muok, F A Olsthoorn, A Briegel","doi":"10.1146/annurev-micro-032421-110850","DOIUrl":"10.1146/annurev-micro-032421-110850","url":null,"abstract":"<p><p>The bacterial chemotaxis system is one of the best-understood cellular pathways and serves as the model for signal transduction systems. Most chemotaxis research has been conducted with transmembrane chemotaxis systems from <i>Escherichia coli</i> and has established paradigms of the system that were thought to be universal. However, emerging research has revealed that many bacteria possess alternative features of their chemotaxis system, demonstrating that these systems are likely more complex than previously assumed. Here, we compare the canonical chemotaxis system of <i>E. coli</i> with systems that diverge in supramolecular architecture, sensory mechanisms, and protein composition. The alternative features have likely evolved to accommodate chemical specificities of natural niches and cell morphologies. Collectively, these studies demonstrate that bacterial chemotaxis systems are a rapidly expanding field that offers many new opportunities to explore this exceedingly diverse system.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":" ","pages":"169-189"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141578799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DNA Phosphorothioate Modification Systems and Associated Phage Defense Systems. 硫代磷酸 DNA 修饰系统及相关噬菌体防御系统。
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 DOI: 10.1146/annurev-micro-041222-014330
Lianrong Wang, Yaqian Tang, Zixin Deng, Shi Chen
{"title":"DNA Phosphorothioate Modification Systems and Associated Phage Defense Systems.","authors":"Lianrong Wang, Yaqian Tang, Zixin Deng, Shi Chen","doi":"10.1146/annurev-micro-041222-014330","DOIUrl":"10.1146/annurev-micro-041222-014330","url":null,"abstract":"<p><p>In contrast to the well-known DNA methylation of nucleobases, DNA phosphorothioate (PT) modification occurs in the DNA sugar-phosphate backbone. The non-bridging oxygen is replaced by a sulfur atom, which increases the nuclease tolerance of the DNA. In recent years, we have witnessed advances in understanding of PT modification enzymes, the features of PT modification across prokaryotic genomes, and PT-related physiological functions. Although only a small fraction of modifiable recognition sites across bacterial genomes undergo PT modification, enzymes such as DndFGH and SspE can use this modification as a recognition marker to differentiate between self- and non-self-DNA, thus destroying PT-lacking invasive DNA and preventing autoimmunity. We highlight the molecular mechanisms of PT modification-associated defense systems. We also describe notable applications of PT systems in the engineering of phage-resistant bacterial strains, RNA editing, and nucleic acid detection.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":"78 1","pages":"447-462"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cell Growth and Division of Staphylococcus aureus. 金黄色葡萄球菌的细胞生长和分裂。
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 DOI: 10.1146/annurev-micro-041222-125931
Mariana G Pinho, Simon J Foster
{"title":"Cell Growth and Division of <i>Staphylococcus aureus</i>.","authors":"Mariana G Pinho, Simon J Foster","doi":"10.1146/annurev-micro-041222-125931","DOIUrl":"10.1146/annurev-micro-041222-125931","url":null,"abstract":"<p><p>Bacterial cell growth and division require temporal and spatial coordination of multiple processes to ensure viability and morphogenesis. These mechanisms both determine and are determined by dynamic cellular structures and components, from within the cytoplasm to the cell envelope. The characteristic morphological changes during the cell cycle are largely driven by the architecture and mechanics of the cell wall. A constellation of proteins governs growth and division in <i>Staphylococcus aureus</i>, with counterparts also found in other organisms, alluding to underlying conserved mechanisms. Here, we review the status of knowledge regarding the cell cycle of this important pathogen and describe how this informs our understanding of the action of antibiotics and the specter of antimicrobial resistance.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":"78 1","pages":"293-310"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
When the Host Encounters the Cell Wall and Vice Versa. 当宿主遇到细胞壁，反之亦然。
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1146/annurev-micro-041522-094053
Kelvin Kho, Thimoro Cheng, Nienke Buddelmeijer, Ivo G Boneca
{"title":"When the Host Encounters the Cell Wall and Vice Versa.","authors":"Kelvin Kho, Thimoro Cheng, Nienke Buddelmeijer, Ivo G Boneca","doi":"10.1146/annurev-micro-041522-094053","DOIUrl":"10.1146/annurev-micro-041522-094053","url":null,"abstract":"<p><p>Peptidoglycan (PGN) and associated surface structures such as secondary polymers and capsules have a central role in the physiology of bacteria. The exoskeletal PGN heteropolymer is the major determinant of cell shape and allows bacteria to withstand cytoplasmic turgor pressure. Thus, its assembly, expansion, and remodeling during cell growth and division need to be highly regulated to avoid compromising cell survival. Similarly, regulation of the assembly impacts bacterial cell shape; distinct shapes enhance fitness in different ecological niches, such as the host. Because bacterial cell wall components, in particular PGN, are exposed to the environment and unique to bacteria, these have been coopted during evolution by eukaryotes to detect bacteria. Furthermore, the essential role of the cell wall in bacterial survival has made PGN an important signaling molecule in the dialog between host and microbes and a target of many host responses. Millions of years of coevolution have resulted in a pivotal role for PGN fragments in shaping host physiology and in establishing a long-lasting symbiosis between microbes and the host. Thus, perturbations of this dialog can lead to pathologies such as chronic inflammatory diseases. Similarly, pathogens have devised sophisticated strategies to manipulate the system to enhance their survival and growth.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":" ","pages":"233-253"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141632382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Roadmap to Success: How Oomycete Plant Pathogens Invade Tissues and Deliver Effectors. 成功路线图：植物卵菌病原体如何侵入组织并释放效应物？
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1146/annurev-micro-032421-121423
Edouard Evangelisti, Francine Govers
{"title":"Roadmap to Success: How Oomycete Plant Pathogens Invade Tissues and Deliver Effectors.","authors":"Edouard Evangelisti, Francine Govers","doi":"10.1146/annurev-micro-032421-121423","DOIUrl":"10.1146/annurev-micro-032421-121423","url":null,"abstract":"<p><p>Filamentous plant pathogens threaten global food security and ecosystem resilience. In recent decades, significant strides have been made in deciphering the molecular basis of plant-pathogen interactions, especially the interplay between pathogens' molecular weaponry and hosts' defense machinery. Stemming from interdisciplinary investigations into the infection cell biology of filamentous plant pathogens, recent breakthrough discoveries have provided a new impetus to the field. These advances include the biophysical characterization of a novel invasion mechanism (i.e., naifu invasion) and the unraveling of novel effector secretion routes. On the plant side, progress includes the identification of components of cellular networks involved in the uptake of intracellular effectors. This exciting body of research underscores the pivotal role of logistics management by the pathogen throughout the infection cycle, encompassing the precolonization stages up to tissue invasion. More insight into these logistics opens new avenues for developing environmentally friendly crop protection strategies in an era marked by an imperative to reduce the use of agrochemicals.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":" ","pages":"493-512"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metalation of Extracytoplasmic Proteins and Bacterial Cell Envelope Homeostasis. 细胞质外蛋白质的金属化与细菌细胞包膜的平衡性
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1146/annurev-micro-041522-091507
Bixi He, John D Helmann
{"title":"Metalation of Extracytoplasmic Proteins and Bacterial Cell Envelope Homeostasis.","authors":"Bixi He, John D Helmann","doi":"10.1146/annurev-micro-041522-091507","DOIUrl":"10.1146/annurev-micro-041522-091507","url":null,"abstract":"<p><p>Cell physiology requires innumerable metalloenzymes supported by the selective import of metal ions. Within the crowded cytosol, most enzymes acquire their cognate cofactors from a buffered labile pool. Metalation of membrane-bound and secreted exoenzymes is more problematic since metal concentrations are highly variable outside the cell. Here, we focus on metalloenzymes involved in cell envelope homeostasis. Peptidoglycan synthesis often relies on Zn-dependent hydrolases, and metal-dependent β-lactamases play important roles in antibiotic resistance. In gram-positive bacteria, lipoteichoic acid synthesis requires Mn, with TerC family Mn exporters in a supporting role. For some exoenzymes, metalation occurs in the cytosol, and metalated enzymes are exported through the TAT secretion system. For others, metalation is facilitated by metal exporters, metallochaperones, or partner proteins that enhance metal affinity. To help ensure function, some metalloenzymes can function with multiple metals. Thus, cells employ a diversity of strategies to ensure metalation of enzymes functioning outside the cytosol.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":" ","pages":"83-102"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141496901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methanobactins: Structures, Biosynthesis, and Microbial Diversity. 甲烷菌素：结构、生物合成和微生物多样性。
IF 8.5 1区 生物学
Annual review of microbiology Pub Date : 2024-11-01 Epub Date: 2024-11-07 DOI: 10.1146/annurev-micro-041522-092911
Reyvin M Reyes, Amy C Rosenzweig
{"title":"Methanobactins: Structures, Biosynthesis, and Microbial Diversity.","authors":"Reyvin M Reyes, Amy C Rosenzweig","doi":"10.1146/annurev-micro-041522-092911","DOIUrl":"10.1146/annurev-micro-041522-092911","url":null,"abstract":"<p><p>Methanobactins (Mbns) are ribosomally synthesized and posttranslationally modified peptide natural products released by methanotrophic bacteria under conditions of copper scarcity. Mbns bind Cu(I) with high affinity via nitrogen-containing heterocycles and thioamide groups installed on a precursor peptide, MbnA, by a core biosynthetic enzyme complex, MbnBC. Additional stabilizing modifications are enacted by other, less universal biosynthetic enzymes. Copper-loaded Mbn is imported into the cell by TonB-dependent transporters called MbnTs, and copper is mobilized by an unknown mechanism. The machinery to biosynthesize and transport Mbn is encoded in operons that are also found in the genomes of nonmethanotrophic bacteria. In this review, we provide an update on the state of the Mbn field, highlighting recent discoveries regarding Mbn structure, biosynthesis, and handling as well as the emerging roles of Mbns in the environment and their potential use as therapeutics.</p>","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":" ","pages":"383-401"},"PeriodicalIF":8.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619078/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141911387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms Underlying Ophiocordyceps Infection and Behavioral Manipulation of Ants: Unique or Ubiquitous? 虫草蛇毒素感染和蚂蚁行为操纵的机制：独特还是普遍？
IF 10.5 1区 生物学
Annual review of microbiology Pub Date : 2024-09-13 DOI: 10.1146/annurev-micro-041522-092522
Emmeline van Roosmalen, Charissa de Bekker
{"title":"Mechanisms Underlying Ophiocordyceps Infection and Behavioral Manipulation of Ants: Unique or Ubiquitous?","authors":"Emmeline van Roosmalen, Charissa de Bekker","doi":"10.1146/annurev-micro-041522-092522","DOIUrl":"https://doi.org/10.1146/annurev-micro-041522-092522","url":null,"abstract":"Parasite manipulation of host behavior, as an effective strategy to establish transmission, has evolved multiple times across taxa, including fungi. Major strides have been made to propose molecular mechanisms that underlie manipulative parasite-host interactions including the manipulation of carpenter ant behavior by Ophiocordyceps. This research suggests that the secretion of parasite proteins and light-driven biological rhythms are likely involved in the infection and manipulation biology of Ophiocordyceps and other manipulating parasites. Here, we discuss research on Ophiocordyceps considering findings from other (fungal) parasites that either are relatively closely related (e.g., other insect- and plant-infecting Hypocreales) or also manipulate insect behavior (e.g., Entomophthorales). As such, this review aims to put forward this question: Are the mechanisms behind Ophiocordyceps manipulation and infection unique, or did they convergently evolve? From this discussion, we pose functional hypotheses about the infection biology of Ophiocordyceps that will need to be addressed in future studies.","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":"98 1","pages":""},"PeriodicalIF":10.5,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142266972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cyclic Diguanylate in the Wild: Roles During Plant and Animal Colonization 野生环境中的环状二官能团：植物和动物定殖过程中的作用
IF 10.5 1区 生物学
Annual review of microbiology Pub Date : 2024-09-13 DOI: 10.1146/annurev-micro-041522-101729
Ruth Y. Isenberg, Mark J. Mandel
{"title":"Cyclic Diguanylate in the Wild: Roles During Plant and Animal Colonization","authors":"Ruth Y. Isenberg, Mark J. Mandel","doi":"10.1146/annurev-micro-041522-101729","DOIUrl":"https://doi.org/10.1146/annurev-micro-041522-101729","url":null,"abstract":"Cyclic diguanylate (c-di-GMP) is a near-ubiquitous signaling molecule that regulates the motility-to-sessility transition in many bacterial species. Among the phenotypes influenced by c-di-GMP are biofilm formation, motility, cell cycle, and virulence. The hallmark phenotypes regulated by c-di-GMP—biofilm formation and motility—are key determinants of host–bacterial interactions. A large body of research has identified the roles of c-di-GMP in regulating phenotypes in culture. While numerous studies have investigated roles for c-di-GMP during the establishment and maintenance of pathogenic host–bacterial associations, considerably less attention has been devoted to defining the roles of c-di-GMP during beneficial and commensal associations. This review describes the known roles of c-di-GMP in regulating phenotypes that contribute to host colonization, with a focus on knowledge gaps and future prospects for examining c-di-GMP during beneficial colonization.","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":"52 1","pages":""},"PeriodicalIF":10.5,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142266973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How Bacteria Establish and Maintain Outer Membrane Lipid Asymmetry 细菌如何建立和维持外膜脂质的不对称性
IF 10.5 1区 生物学
Annual review of microbiology Pub Date : 2024-09-13 DOI: 10.1146/annurev-micro-032521-014507
Wee Boon Tan, Shu-Sin Chng
{"title":"How Bacteria Establish and Maintain Outer Membrane Lipid Asymmetry","authors":"Wee Boon Tan, Shu-Sin Chng","doi":"10.1146/annurev-micro-032521-014507","DOIUrl":"https://doi.org/10.1146/annurev-micro-032521-014507","url":null,"abstract":"Gram-negative bacteria build an asymmetric outer membrane (OM), with lipopolysaccharides (LPS) and phospholipids (PLs) occupying the outer and inner leaflets, respectively. This distinct lipid arrangement is widely conserved within the Bacteria domain and confers strong protection against physical and chemical insults. The OM is physically separated from the inner membrane and the cytoplasm, where most cellular resources are located; therefore, the cell faces unique challenges in the assembly and maintenance of this asymmetric bilayer. Here, we present a framework for how gram-negative bacteria initially establish and continuously maintain OM lipid asymmetry, discussing the state-of-the-art knowledge of specialized lipid transport machines that place LPS and PLs directly into their corresponding leaflets in the OM, prevent excess PL accumulation and mislocalization, and correct any lipid asymmetry defects. We critically assess current studies, or the lack thereof, and highlight important future directions for research on OM lipid transport, homeostasis, and asymmetry.","PeriodicalId":7946,"journal":{"name":"Annual review of microbiology","volume":"41 1","pages":""},"PeriodicalIF":10.5,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142266974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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