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Microbial solutions must be deployed against climate catastrophe 必须采用微生物解决方案应对气候灾难
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-11-11 DOI: 10.1038/s41579-024-01123-0
Raquel Peixoto, Christian R. Voolstra, Lisa Y. Stein, Philip Hugenholtz, Joana Falcao Salles, Shady A. Amin, Max Häggblom, Ann Gregory, Thulani P. Makhalanyane, Fengping Wang, Nadège Adoukè Agbodjato, Yinzhao Wang, Nianzhi Jiao, Jay T. Lennon, Antonio Ventosa, Patrik M. Bavoil, Virginia Miller, Jack A. Gilbert
This paper is a call to action. By publishing concurrently across journals like an emergency bulletin, we are not merely making a plea for awareness about climate change. Instead, we are demanding immediate, tangible steps that harness the power of microbiology and the expertise of researchers and policymakers to safeguard the planet for future generations.
本文是一份行动呼吁书。通过像紧急公告一样在不同期刊上同时发表,我们不仅仅是在呼吁人们关注气候变化。相反,我们要求立即采取切实可行的措施,利用微生物学的力量以及研究人员和决策者的专业知识,为子孙后代保护地球。
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引用次数: 0
Streptococcus pneumoniae epidemiology, pathogenesis and control 肺炎链球菌的流行病学、发病机制和控制
IF 88.1 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-11-06 DOI: 10.1038/s41579-024-01116-z
Ana Rita Narciso, Rebecca Dookie, Priyanka Nannapaneni, Staffan Normark, Birgitta Henriques-Normark

Infections caused by Streptococcus pneumoniae (also known as pneumococci) pose a threat to human health. Pneumococcal infections are the most common cause of milder respiratory tract infections, such as otitis and sinusitis, and of more severe diseases, including pneumonia (with or without septicaemia) and meningitis. The introduction of pneumococcal conjugate vaccines in the childhood vaccination programme in many countries has led to a notable decrease of severe invasive pneumococcal disease in vaccinated children. However, infections caused by non-vaccine types have concurrently increased, causing invasive pneumococcal disease in unvaccinated populations (such as older adults), which has hampered the effect of these vaccines. Moreover, emerging antibiotic resistance is threatening effective therapy. Thus, new approaches are needed for the treatment and prevention of pneumococcal infections, and recent advances in the field may pave the way for new strategies. Recently, several important findings have been gained regarding pneumococcal epidemiology, genomics and the effect of the introduction of pneumococcal conjugate vaccines and of the COVID-19 pandemic. Moreover, elucidative pathogenesis studies have shown that the interactions between pneumococcal virulence factors and host receptors may be exploited for new therapies, and new vaccine candidates have been suggested. In this Review, we summarize some recent findings from clinical disease to basic pathogenesis studies that may be of importance for future control strategies.

肺炎链球菌(又称肺炎球菌)引起的感染对人类健康构成威胁。肺炎球菌感染是较轻呼吸道感染(如耳炎和鼻窦炎)和较重疾病(包括肺炎(伴有或不伴有败血症)和脑膜炎)的最常见原因。许多国家在儿童疫苗接种计划中引入肺炎球菌结合疫苗后,接种过疫苗的儿童患严重侵袭性肺炎球菌疾病的人数明显减少。然而,由非疫苗类型引起的感染却同时增加,导致未接种疫苗的人群(如老年人)患上侵袭性肺炎球菌疾病,从而影响了这些疫苗的效果。此外,新出现的抗生素耐药性也威胁着有效治疗。因此,治疗和预防肺炎球菌感染需要新的方法,而该领域的最新进展可能会为新策略铺平道路。最近,在肺炎球菌流行病学、基因组学以及肺炎球菌结合疫苗的引入和 COVID-19 大流行的影响方面取得了一些重要发现。此外,阐明发病机理的研究表明,肺炎球菌毒力因子与宿主受体之间的相互作用可用于新疗法,并提出了新的候选疫苗。在本综述中,我们总结了从临床疾病到基础发病机理研究的一些最新发现,这些发现可能对未来的控制策略具有重要意义。
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引用次数: 0
Microbiome-colonizing RNAs 微生物定殖 RNA
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-30 DOI: 10.1038/s41579-024-01122-1
Andrea Du Toit
This study describes the discovery of a previously uncharacterized phylogenetically distinct group of viroid-like human microbiome-associated RNAs.
这项研究描述了此前未曾定性的一组类似于病毒的人类微生物相关 RNA 的系统发育特征。
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引用次数: 0
Anti-defence islands in plasmids 质粒中的抗防御岛
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-23 DOI: 10.1038/s41579-024-01120-3
Andrea Du Toit
This new study shows that the leading region of plasmids has a key role in overcoming host immunity by functioning as ‘anti-defence islands’ that protect the invading plasmid following entry.
这项新研究表明,质粒的前导区在克服宿主免疫力方面发挥着关键作用,它可以作为 "抗防御岛",在质粒进入后保护入侵质粒。
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引用次数: 0
Examining the healthy human microbiome concept 研究健康人体微生物组概念
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-23 DOI: 10.1038/s41579-024-01107-0
Raphaela Joos, Katy Boucher, Aonghus Lavelle, Manimozhiyan Arumugam, Martin J. Blaser, Marcus J. Claesson, Gerard Clarke, Paul D. Cotter, Luisa De Sordi, Maria G. Dominguez-Bello, Bas E. Dutilh, Stanislav D. Ehrlich, Tarini Shankar Ghosh, Colin Hill, Christophe Junot, Leo Lahti, Trevor D. Lawley, Tine R. Licht, Emmanuelle Maguin, Thulani P. Makhalanyane, Julian R. Marchesi, Jelle Matthijnssens, Jeroen Raes, Jacques Ravel, Anne Salonen, Pauline D. Scanlan, Andrey Shkoporov, Catherine Stanton, Ines Thiele, Igor Tolstoy, Jens Walter, Bo Yang, Natalia Yutin, Alexandra Zhernakova, Hub Zwart, Human Microbiome Action Consortium, Joël Doré, R. Paul Ross
Human microbiomes are essential to health throughout the lifespan and are increasingly recognized and studied for their roles in metabolic, immunological and neurological processes. Although the full complexity of these microbial communities is not fully understood, their clinical and industrial exploitation is well advanced and expanding, needing greater oversight guided by a consensus from the research community. One of the most controversial issues in microbiome research is the definition of a ‘healthy’ human microbiome. This concept is complicated by the microbial variability over different spatial and temporal scales along with the challenge of applying a unified definition to the spectrum of healthy microbiome configurations. In this Perspective, we examine the progress made and the key gaps that remain to be addressed to fully harness the benefits of the human microbiome. We propose a road map to expand our knowledge of the microbiome–health relationship, incorporating epidemiological approaches informed by the unique ecological characteristics of these communities. In this Perspective, Joos, Ross and colleagues reflect on current approaches and the challenges of defining a ''healthy'' microbiome, and propose an updated framework for interpreting these dynamic ecosystems by incorporating concepts from epidemiology into microbiome study design.
人类微生物组对整个生命周期的健康至关重要,它们在新陈代谢、免疫和神经过程中的作用日益得到认可和研究。虽然人们尚未完全了解这些微生物群落的全部复杂性,但对它们的临床和工业开发已取得很大进展并在不断扩大,需要在研究界达成共识的指导下加强监督。微生物组研究中最具争议的问题之一是 "健康 "人类微生物组的定义。由于微生物在不同时空尺度上的变异性,以及将统一定义应用于各种健康微生物组构型的挑战,这一概念变得更加复杂。在本《视角》中,我们探讨了在充分利用人类微生物组的益处方面所取得的进展和有待解决的主要差距。我们提出了一个路线图,以扩大我们对微生物组与健康关系的认识,并结合这些群落独特生态学特征的流行病学方法。
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引用次数: 0
Harnessing symbiotic bacteria for disease control 利用共生细菌控制疾病
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-21 DOI: 10.1038/s41579-024-01115-0
Abraham Morales-Cruz, Leo A. Baumgart
This Genome Watch explores recent transcriptomic and metatranscriptomic analyses that revealed the key role of secondary endosymbionts in host immunity and disease transmission within their insect or plant hosts.
本期 "基因组观察 "将探讨最近进行的转录本组和元转录本组分析,这些分析揭示了次生内生体在昆虫或植物宿主体内的宿主免疫和疾病传播中的关键作用。
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引用次数: 0
Bloodstream infections: mechanisms of pathogenesis and opportunities for intervention 血流感染:发病机制和干预机会
IF 88.1 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-17 DOI: 10.1038/s41579-024-01105-2
Caitlyn L. Holmes, Owen R. Albin, Harry L. T. Mobley, Michael A. Bachman

Bloodstream infections (BSIs) are common in hospitals, often life-threatening and increasing in prevalence. Microorganisms in the blood are usually rapidly cleared by the immune system and filtering organs but, in some cases, they can cause an acute infection and trigger sepsis, a systemic response to infection that leads to circulatory collapse, multiorgan dysfunction and death. Most BSIs are caused by bacteria, although fungi also contribute to a substantial portion of cases. Escherichia coli, Staphylococcus aureus, coagulase-negative Staphylococcus, Klebsiella pneumoniae and Candida albicans are leading causes of BSIs, although their prevalence depends on patient demographics and geographical region. Each species is equipped with unique factors that aid in the colonization of initial sites and dissemination and survival in the blood, and these factors represent potential opportunities for interventions. As many pathogens become increasingly resistant to antimicrobials, new approaches to diagnose and treat BSIs at all stages of infection are urgently needed. In this Review, we explore the prevalence of major BSI pathogens, prominent mechanisms of BSI pathogenesis, opportunities for prevention and diagnosis, and treatment options.

血流感染(BSI)是医院里的常见病,通常会危及生命,而且发病率越来越高。血液中的微生物通常会被免疫系统和过滤器官迅速清除,但在某些情况下,它们会引起急性感染并引发败血症,这是一种全身性感染反应,会导致循环衰竭、多器官功能障碍和死亡。大多数 BSI 都是由细菌引起的,但真菌也占相当大的比例。大肠埃希菌、金黄色葡萄球菌、凝固酶阴性葡萄球菌、肺炎克雷伯氏菌和白色念珠菌是导致 BSI 的主要原因,但它们的发病率取决于患者的人口统计学特征和地理区域。每种病原体都具有独特的因素,有助于其在初始部位定植、在血液中传播和存活,这些因素都是潜在的干预机会。由于许多病原体对抗菌药的耐药性越来越强,因此迫切需要新的方法来诊断和治疗各个感染阶段的 BSI。在本综述中,我们将探讨主要 BSI 病原体的流行情况、BSI 发病的主要机制、预防和诊断的机会以及治疗方案。
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引用次数: 0
Diversity and ecology of microbial sulfur metabolism 微生物硫代谢的多样性和生态学
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-17 DOI: 10.1038/s41579-024-01104-3
Zhichao Zhou, Patricia Q. Tran, Elise S. Cowley, Elizabeth Trembath-Reichert, Karthik Anantharaman
Sulfur plays a pivotal role in interactions within the atmosphere, lithosphere, pedosphere, hydrosphere and biosphere, and the functioning of living organisms. In the Earth’s crust, mantle, and atmosphere, sulfur undergoes geochemical transformations due to natural and anthropogenic factors. In the biosphere, sulfur participates in the formation of amino acids, proteins, coenzymes and vitamins. Microorganisms in the biosphere are crucial for cycling sulfur compounds through oxidation, reduction and disproportionation reactions, facilitating their bioassimilation and energy generation. Microbial sulfur metabolism is abundant in both aerobic and anaerobic environments and is interconnected with biogeochemical cycles of important elements such as carbon, nitrogen and iron. Through metabolism, competition or cooperation, microorganisms metabolizing sulfur can drive the consumption of organic carbon, loss of fixed nitrogen and production of climate-active gases. Given the increasing significance of sulfur metabolism in environmental alteration and the intricate involvement of microorganisms in sulfur dynamics, a timely re-evaluation of the sulfur cycle is imperative. This Review explores our understanding of microbial sulfur metabolism, primarily focusing on the transformations of inorganic sulfur. We comprehensively overview the sulfur cycle in the face of rapidly changing ecosystems on Earth, highlighting the importance of microbially-mediated sulfur transformation reactions across different environments, ecosystems and microbiomes. In this Review, Zhou, Tran et al. provide a comprehensive overview of the metabolic reactions by which microorganisms transform inorganic sulfur compounds across varied microbiomes and ecosystems, and explore the link between sulfur cycling microorganisms and climate change.
硫在大气层、岩石圈、土壤圈、水圈和生物圈的相互作用以及生物体的运作中发挥着举足轻重的作用。在地壳、地幔和大气层中,由于自然和人为因素,硫发生了地球化学转化。在生物圈中,硫参与氨基酸、蛋白质、辅酶和维生素的形成。生物圈中的微生物通过氧化、还原和歧化反应,对硫化合物的循环至关重要,促进其生物同化和能量生成。无论是在有氧环境还是厌氧环境中,微生物的硫代谢都非常丰富,并且与碳、氮和铁等重要元素的生物地球化学循环相互关联。通过新陈代谢、竞争或合作,代谢硫的微生物可以推动有机碳的消耗、固定氮的损失和气候活性气体的产生。鉴于硫代谢在环境改变中的重要性与日俱增,以及微生物在硫动力学中错综复杂的参与,及时重新评估硫循环势在必行。本综述探讨了我们对微生物硫代谢的理解,主要侧重于无机硫的转化。我们全面概述了地球上瞬息万变的生态系统中的硫循环,强调了不同环境、生态系统和微生物群中微生物介导的硫转化反应的重要性。
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引用次数: 0
A gut bacterium trims mucosal immunity 一种肠道细菌能增强黏膜免疫力
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-15 DOI: 10.1038/s41579-024-01117-y
Agustina Taglialegna
In this study, Lu et al. identify the gut symbiont Tomasiella immunophila as a contributor to the degradation of murine secretory immunoglobulin A, with effects on mucosal immunity.
在这项研究中,Lu 等人发现肠道共生菌 Tomasiella immunophila 是小鼠分泌型免疫球蛋白 A 降解的促进因子,对粘膜免疫有影响。
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引用次数: 0
Re-emergence of Oropouche virus 奥罗普切病毒再次出现
IF 69.2 1区 生物学 Q1 MICROBIOLOGY Pub Date : 2024-10-15 DOI: 10.1038/s41579-024-01118-x
Agustina Taglialegna
The recent re-emergence of Oropouche virus in Central and South America and the Caribbean poses a public health threat and highlights the need for improved surveillance and control measures.
最近,奥罗普切病毒在中美洲、南美洲和加勒比地区再次出现,对公共卫生构成威胁,突出表明需要改进监测和控制措施。
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引用次数: 0
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Nature Reviews Microbiology
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