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Yi C, Chen J, She X. The emerging role of the gut virome in necrotizing enterocolitis. Heliyon 2024; 10:e30496. [PMID: 38711648 PMCID: PMC11070903 DOI: 10.1016/j.heliyon.2024.e30496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/09/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
Necrotizing enterocolitis (NEC) is the most common gastrointestinal emergency in neonates, particularly preterm infants. Many factors can lead to NEC, but microbial dysbiosis is one of the most important risk factors that can induce this disease. Given the major role of the gut virome in shaping bacterial homeostasis, virome research is a fledgling but rapidly evolving area in the field of microbiome that is increasingly connected to human diseases, including NEC. This review provides an overview of the development of the gut virome in newborns, discusses its emerging role in NEC, and explores promising therapeutic applications, including phage therapy and fecal virome transplantation.
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Affiliation(s)
- Cong Yi
- Department of Pediatrics, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, 621000, China
| | - Jia Chen
- Department of Pediatrics, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, 621000, China
| | - Xiang She
- Department of Pediatrics, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, 621000, China
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Hu H, Li A, Shi C, Chen L, Zhao Z, Yin X, Zhang Q, Huang Y, Pan H. Mulberry branch fiber improved lipid metabolism and egg yolk fatty acid composition of laying hens via the enterohepatic axis. Microbiome 2024; 12:73. [PMID: 38605412 PMCID: PMC11010431 DOI: 10.1186/s40168-024-01788-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 03/04/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND The utilization of mulberry branch fiber (MF), the largest by-product of the sericulture industry, is an important issue. Supplementation with MF as a dietary fiber for poultry may serve as a useful application. However, little is known about the effects of MF on liver lipid metabolism and egg yolk fatty acid composition of laying hens and their underlying mechanisms. In this study, we performed a multi-omics investigation to explore the variations in liver lipid metabolism, egg yolk fatty acid composition, gut microbiota, and the associations among them induced by dietary MF in laying hens. RESULTS Dietary MF had no harmful effects on the laying performance or egg quality in laying hens. The enzyme activities associated with lipid metabolism in the liver were altered by the addition of 5% MF, resulting in reduced liver fat accumulation. Furthermore, dietary 5% MF induced the variation in the fatty acid profiles of egg yolk, and increased the polyunsaturated fatty acid (PUFA) content. We observed a significant reduction in the diversity of both gut bacteria and changes in their compositions after the addition of MF. Dietary MF significantly increased the abundance of genes involved in fatty acid biodegradation, and short-chain fatty acids biosynthesis in the gut microbiota of laying hens. The significant correlations were observed between the liver lipid metabolism enzyme activities of hepatic lipase, lipoprotein lipase, and total esterase with gut microbiota, including negative correlations with gut microbiota diversity, and multiple correlations with gut bacteria and viruses. Moreover, various correlations between the contents of PUFAs and monounsaturated fatty acids in egg yolk with the gut microbiota were obtained. Based on partial-least-squares path modeling integrated with the multi-omics datasets, we deduced the direct effects of liver enzyme activities and gut bacterial compositions on liver fat content and the roles of liver enzyme activities and gut bacterial diversity on egg yolk fatty acid composition. CONCLUSIONS The results indicate that dietary MF is beneficial to laying hens as it reduces the liver fat and improves egg yolk fatty acid composition through the enterohepatic axis. Video Abstract.
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Affiliation(s)
- Hong Hu
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China
| | - Anjian Li
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China
| | - Changyou Shi
- University of Maryl and School of Medicine, Baltimore, MD, 21228, USA
| | - Liang Chen
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agriculture Sciences, Beijing, 100193, China
| | - Zelong Zhao
- Shanghai BIOZERON Biotechnology Co., Ltd, Shanghai, 201800, China
| | - Xiaojian Yin
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China
| | - Qiang Zhang
- WOD Poultry Research Institute, Beijing, 100193, China
| | - Ying Huang
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China.
| | - Hongbin Pan
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, 650201, China.
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3
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Zhu A, Li P, Chu Y, Wei X, Zhao J, Luo L, Zhang T, Yan J. Causal effects of gut microbiota on the prognosis of ischemic stroke: evidence from a bidirectional two-sample Mendelian randomization study. Front Microbiol 2024; 15:1346371. [PMID: 38650876 PMCID: PMC11033378 DOI: 10.3389/fmicb.2024.1346371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 03/25/2024] [Indexed: 04/25/2024] Open
Abstract
Background Increasing research has implicated the possible effect of gut microbiota (GM) on the prognosis of ischemic stroke (IS). However, the precise causal relationship between GM and functional outcomes after IS remains unestablished. Methods Data on 211 GM taxa from the MiBioGen consortium and data on prognosis of IS from the Genetics of Ischemic Stroke Functional Outcome (GISCOME) network were utilized as summary-level data of exposure and outcome. Four kinds of Mendelian randomization (MR) methods were carried out to ascertain the causal effect of GM on functional outcomes following IS. A reverse MR analysis was performed on the positive taxa identified in the forward MR analysis to determine the direction of causation. In addition, we conducted a comparative MR analysis without adjusting the baseline National Institute of Health Stroke Scale (NIHSS) of post-stroke functional outcomes to enhance confidence of the results obtained in the main analysis. Results Four taxa were identified to be related to stroke prognosis in both main and comparative analyses. Specifically, genus Ruminococcaceae UCG005 and the Eubacterium oxidoreducens group showed significantly negative effects on stroke prognosis, while the genus Lachnospiraceae NK4A136 group and Lachnospiraceae UCG004 showed protective effects against stroke prognosis. The reverse MR analysis did not support a causal role of stroke prognosis in GM. No evidence of heterogeneity, horizontal pleiotropy, and outliers was found. Conclusion This MR study provided evidence that genetically predicted GM had a causal link with post-stroke outcomes. Specific gut microbiota taxa associated with IS prognosis were identified, which may be helpful to clarify the pathogenesis of ischemic stroke and making treatment strategies.
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Affiliation(s)
| | | | | | | | | | | | - Tao Zhang
- Department of Tuina, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Juntao Yan
- Department of Tuina, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Wan Y, Zhang L, Xu Z, Su Q, Leung TF, Chan D, Wong OWH, Chan S, Chan FKL, Tun HM, Ng SC. Alterations in fecal virome and bacteriome virome interplay in children with autism spectrum disorder. Cell Rep Med 2024; 5:101409. [PMID: 38307030 PMCID: PMC10897546 DOI: 10.1016/j.xcrm.2024.101409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 11/10/2023] [Accepted: 01/11/2024] [Indexed: 02/04/2024]
Abstract
Emerging evidence suggests autism spectrum disorder (ASD) is associated with altered gut bacteria. However, less is known about the gut viral community and its role in shaping microbiota in neurodevelopmental disorders. Herein, we perform a metagenomic analysis of gut-DNA viruses in 60 children with ASD and 64 age- and gender-matched typically developing children to investigate the effect of the gut virome on host bacteria in children with ASD. ASD is associated with altered gut virome composition accompanied by the enrichment of Clostridium phage, Bacillus phage, and Enterobacteria phage. These ASD-enriched phages are largely associated with disrupted viral ecology in ASD. Importantly, changes in the interplay between the gut bacteriome and virome seen in ASD may influence the encoding capacity of microbial pathways for neuroactive metabolite biosynthesis. These findings suggest an impaired bacteriome-virome ecology in ASD, which sheds light on the importance of bacteriophages in pathogenesis and the development of microbial therapeutics in ASD.
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Affiliation(s)
- Yating Wan
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Lin Zhang
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Zhilu Xu
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Qi Su
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ting-Fan Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dorothy Chan
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Oscar W H Wong
- Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sandra Chan
- Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Francis K L Chan
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Centre for Gut Microbiota Research, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hein M Tun
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Siew C Ng
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China.
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5
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Chan M, Ghadieh C, Irfan I, Khair E, Padilla N, Rebeiro S, Sidgreaves A, Patravale V, Disouza J, Catanzariti R, Pont L, Williams K, De Rubis G, Mehndiratta S, Dhanasekaran M, Dua K. Exploring the influence of the microbiome on the pharmacology of anti-asthmatic drugs. Naunyn Schmiedebergs Arch Pharmacol 2024; 397:751-762. [PMID: 37650889 PMCID: PMC10791706 DOI: 10.1007/s00210-023-02681-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/18/2023] [Indexed: 09/01/2023]
Abstract
The microbiome is increasingly implicated in playing a role in physiology and pharmacology; in this review, we investigate the literature on the possibility of bacterial influence on the pharmacology of anti-asthmatic drugs, and the potential impact this has on asthmatic patients. Current knowledge in this area of research reveals an interaction between the gut and lung microbiome and the development of asthma. The influence of microbiome on the pharmacokinetics and pharmacodynamics of anti-asthmatic drugs is limited; however, understanding this interaction will assist in creating a more efficient treatment approach. This literature review highlighted that bioaccumulation and biotransformation in the presence of certain gut bacterial strains could affect drug metabolism in anti-asthmatic drugs. Furthermore, the bacterial richness in the lungs and the gut can influence drug efficacy and could also play a role in drug response. The implications of the above findings suggest that the microbiome is a contributing factor to an individuals' pharmacological response to anti-asthmatic drugs. Hence, future directions for research should follow investigating how these processes affect asthmatic patients and consider the role of the microbiome on drug efficacy and modify treatment guidelines accordingly.
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Affiliation(s)
- Michael Chan
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Chloe Ghadieh
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Isphahan Irfan
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Eamen Khair
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Natasha Padilla
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Sanshya Rebeiro
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Annabel Sidgreaves
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Vandana Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai, Maharashtra, India
| | - John Disouza
- Department of Pharmaceutics, Tatyasaheb Kore College of Pharmacy, Warananagar, Tal: Panhala, Maharashtra, 416113, India
| | - Rachelle Catanzariti
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Lisa Pont
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Kylie Williams
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Sydney, Australia
| | - Samir Mehndiratta
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Sydney, Australia
| | | | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Sydney, Australia.
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6
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Wu J, Singleton SS, Bhuiyan U, Krammer L, Mazumder R. Multi-omics approaches to studying gastrointestinal microbiome in the context of precision medicine and machine learning. Front Mol Biosci 2024; 10:1337373. [PMID: 38313584 PMCID: PMC10834744 DOI: 10.3389/fmolb.2023.1337373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 12/27/2023] [Indexed: 02/06/2024] Open
Abstract
The human gastrointestinal (gut) microbiome plays a critical role in maintaining host health and has been increasingly recognized as an important factor in precision medicine. High-throughput sequencing technologies have revolutionized -omics data generation, facilitating the characterization of the human gut microbiome with exceptional resolution. The analysis of various -omics data, including metatranscriptomics, metagenomics, glycomics, and metabolomics, holds potential for personalized therapies by revealing information about functional genes, microbial composition, glycans, and metabolites. This multi-omics approach has not only provided insights into the role of the gut microbiome in various diseases but has also facilitated the identification of microbial biomarkers for diagnosis, prognosis, and treatment. Machine learning algorithms have emerged as powerful tools for extracting meaningful insights from complex datasets, and more recently have been applied to metagenomics data via efficiently identifying microbial signatures, predicting disease states, and determining potential therapeutic targets. Despite these rapid advancements, several challenges remain, such as key knowledge gaps, algorithm selection, and bioinformatics software parametrization. In this mini-review, our primary focus is metagenomics, while recognizing that other -omics can enhance our understanding of the functional diversity of organisms and how they interact with the host. We aim to explore the current intersection of multi-omics, precision medicine, and machine learning in advancing our understanding of the gut microbiome. A multidisciplinary approach holds promise for improving patient outcomes in the era of precision medicine, as we unravel the intricate interactions between the microbiome and human health.
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Affiliation(s)
- Jingyue Wu
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
| | - Stephanie S. Singleton
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
| | - Urnisha Bhuiyan
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
| | - Lori Krammer
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
- Milken Institute School of Public Health, The George Washington University, Washington, DC, United States
| | - Raja Mazumder
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
- The McCormick Genomic and Proteomic Center, The George Washington University, Washington, DC, United States
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7
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Yu Y, Wang W, Zhang F. The Next Generation Fecal Microbiota Transplantation: To Transplant Bacteria or Virome. Adv Sci (Weinh) 2023; 10:e2301097. [PMID: 37914662 PMCID: PMC10724401 DOI: 10.1002/advs.202301097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 09/02/2023] [Indexed: 11/03/2023]
Abstract
Fecal microbiota transplantation (FMT) has emerged as a promising therapeutic approach for dysbiosis-related diseases. However, the clinical practice of crude fecal transplants presents limitations in terms of acceptability and reproductivity. Consequently, two alternative solutions to FMT are developed: transplanting bacteria communities or virome. Advanced methods for transplanting bacteria mainly include washed microbiota transplantation and bacteria spores treatment. Transplanting the virome is also explored, with the development of fecal virome transplantation, which involves filtering the virome from feces. These approaches provide more palatable options for patients and healthcare providers while minimizing research heterogeneity. In general, the evolution of the next generation of FMT in global trends is fecal microbiota components transplantation which mainly focuses on transplanting bacteria or virome.
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Affiliation(s)
- You Yu
- Department of Microbiota Medicine & Medical Center for Digestive DiseasesThe Second Affiliated Hospital of Nanjing Medical UniversityNanjing210011China
- Key Lab of Holistic Integrative EnterologyNanjing Medical UniversityNanjing210011China
| | - Weihong Wang
- Department of Microbiota Medicine & Medical Center for Digestive DiseasesThe Second Affiliated Hospital of Nanjing Medical UniversityNanjing210011China
- Key Lab of Holistic Integrative EnterologyNanjing Medical UniversityNanjing210011China
| | - Faming Zhang
- Department of Microbiota Medicine & Medical Center for Digestive DiseasesThe Second Affiliated Hospital of Nanjing Medical UniversityNanjing210011China
- Key Lab of Holistic Integrative EnterologyNanjing Medical UniversityNanjing210011China
- Department of Microbiota MedicineSir Run Run HospitalNanjing Medical UniversityNanjing211166China
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8
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Mendes de Almeida V, Engel DF, Ricci MF, Cruz CS, Lopes ÍS, Alves DA, d’ Auriol M, Magalhães J, Machado EC, Rocha VM, Carvalho TG, Lacerda LSB, Pimenta JC, Aganetti M, Zuccoli GS, Smith BJ, Carregari VC, da Silva Rosa E, Galvão I, Dantas Cassali G, Garcia CC, Teixeira MM, André LC, Ribeiro FM, Martins FS, Saia RS, Costa VV, Martins-de-Souza D, Hansbro PM, Marques JT, Aguiar ERGR, Vieira AT. Gut microbiota from patients with COVID-19 cause alterations in mice that resemble post-COVID symptoms. Gut Microbes 2023; 15:2249146. [PMID: 37668317 PMCID: PMC10481883 DOI: 10.1080/19490976.2023.2249146] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/19/2023] [Accepted: 08/14/2023] [Indexed: 09/06/2023] Open
Abstract
Long-term sequelae of coronavirus disease (COVID)-19 are frequent and of major concern. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection affects the host gut microbiota, which is linked to disease severity in patients with COVID-19. Here, we report that the gut microbiota of post-COVID subjects had a remarkable predominance of Enterobacteriaceae strains with an antibiotic-resistant phenotype compared to healthy controls. Additionally, short-chain fatty acid (SCFA) levels were reduced in feces. Fecal transplantation from post-COVID subjects to germ-free mice led to lung inflammation and worse outcomes during pulmonary infection by multidrug-resistant Klebsiella pneumoniae. transplanted mice also exhibited poor cognitive performance. Overall, we show prolonged impacts of SARS-CoV-2 infection on the gut microbiota that persist after subjects have cleared the virus. Together, these data demonstrate that the gut microbiota can directly contribute to post-COVID sequelae, suggesting that it may be a potential therapeutic target.
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Affiliation(s)
- Viviani Mendes de Almeida
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Daiane F. Engel
- Department of Clinical Analysis, School of Pharmacy, Universidade Federal de Ouro Preto - UFOP, Ouro Preto, Brazil
| | - Mayra F. Ricci
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Clênio Silva Cruz
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Ícaro Santos Lopes
- Laboratory of Virus Bioinformatics - Department of Biological Science, Center of Biotechnology and Genetics, Universidade Estadual de Santa Cruz - UESC, Ilhéus, Brazil
| | - Daniele Almeida Alves
- Laboratory of RNA Interference and Antiviral Immunity - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Mirna d’ Auriol
- Laboratory of Toxicology - Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - João Magalhães
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Elayne C. Machado
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Victor M. Rocha
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Toniana G. Carvalho
- Laboratory of Neurobiochemistry - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Larisse S. B. Lacerda
- Center for Research and Development of Drugs - Department of Morphology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Jordane C. Pimenta
- Center for Research and Development of Drugs - Department of Morphology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Mariana Aganetti
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Giuliana S. Zuccoli
- Laboratory of Neuroproteomics - Department of Biochemistry and Tissue Biology, Institute of Biology, Universidade do Estado de Campinas - UNICAMP, Campinas, Brazil
| | - Bradley J. Smith
- Laboratory of Neuroproteomics - Department of Biochemistry and Tissue Biology, Institute of Biology, Universidade do Estado de Campinas - UNICAMP, Campinas, Brazil
| | - Victor C. Carregari
- Laboratory of Neuroproteomics - Department of Biochemistry and Tissue Biology, Institute of Biology, Universidade do Estado de Campinas - UNICAMP, Campinas, Brazil
| | - Erika da Silva Rosa
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Izabela Galvão
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Geovanni Dantas Cassali
- Laboratory of Comparative Pathology - Department of Pathology, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Cristiana C. Garcia
- Laboratory of Respiratory Viruses and Measles, Instituto Oswaldo Cruz - Fiocruz, Rio de Janeiro, Brazil
| | - Mauro Martins Teixeira
- Center for Research and Development of Drugs - Department of Morphology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Leiliane C. André
- Laboratory of Toxicology - Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Fabiola Mara Ribeiro
- Laboratory of Neurobiochemistry - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Flaviano S. Martins
- Laboratory of Biotherapeutic Agents - Department of Microbiology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Rafael Simone Saia
- Laboratory of Intestinal Physiology - Department of Physiology, Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Vivian Vasconcelos Costa
- Center for Research and Development of Drugs - Department of Morphology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | - Daniel Martins-de-Souza
- Laboratory of Neuroproteomics - Department of Biochemistry and Tissue Biology, Institute of Biology, Universidade do Estado de Campinas - UNICAMP, Campinas, Brazil
- D’Or Institute for Research and Education, São Paulo, Brazil
- Experimental Medicine Research Cluster, Universidade do Estado de Campinas - UNICAMP, Campinas, Brazil
- National Institute of Biomarkers in Neuropsychiatry, National Council for Scientific and Technological Development, São Paulo, Brazil
| | - Philip M. Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, Australia
| | - João Trindade Marques
- Laboratory of RNA Interference and Antiviral Immunity - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
- CNRS UPR9022, University of Strasbourg, Strasbourg, France
| | - Eric R. G. R. Aguiar
- Laboratory of Virus Bioinformatics - Department of Biological Science, Center of Biotechnology and Genetics, Universidade Estadual de Santa Cruz - UESC, Ilhéus, Brazil
| | - Angélica T. Vieira
- Laboratory of Microbiota and Immunomodulation - Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
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Emencheta SC, Olovo CV, Eze OC, Kalu CF, Berebon DP, Onuigbo EB, Vila MMDC, Balcão VM, Attama AA. The Role of Bacteriophages in the Gut Microbiota: Implications for Human Health. Pharmaceutics 2023; 15:2416. [PMID: 37896176 PMCID: PMC10609668 DOI: 10.3390/pharmaceutics15102416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/18/2023] [Accepted: 09/30/2023] [Indexed: 10/29/2023] Open
Abstract
Bacteriophages (phages) are nano-sized viruses characterized by their inherent ability to live off bacteria. They utilize diverse mechanisms to absorb and gain entry into the bacterial cell wall via the release of viral genetic material, which uses the replication mechanisms of the host bacteria to produce and release daughter progeny virions that attack the surrounding host cells. They possess specific characteristics, including specificity for particular or closely related bacterial species. They have many applications, including as potential alternatives to antibiotics against multi-resistant bacterial pathogens and as control agents in bacteria-contaminated environments. They are ubiquitously abundant in nature and have diverse biota, including in the gut. Gut microbiota describes the community and interactions of microorganisms within the intestine. As with bacteria, parasitic bacteriophages constantly interact with the host bacterial cells within the gut system and have obvious implications for human health. However, it is imperative to understand these interactions as they open up possible applicable techniques to control gut-implicated bacterial diseases. Thus, this review aims to explore the interactions of bacteriophages with bacterial communities in the gut and their current and potential impacts on human health.
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Affiliation(s)
- Stephen C. Emencheta
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
| | - Chinasa V. Olovo
- Department of Microbiology, University of Nigeria, Nsukka 410001, Nigeria;
| | - Osita C. Eze
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Chisom F. Kalu
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Dinebari P. Berebon
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Ebele B. Onuigbo
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Marta M. D. C. Vila
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
| | - Victor M. Balcão
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, P-3810-193 Aveiro, Portugal
| | - Anthony A. Attama
- Department of Pharmaceutics, University of Nigeria, Nsukka 410001, Nigeria
- Institute for Drug-Herbal Medicine-Excipient Research and Development, University of Nigeria, Nsukka 410001, Nigeria
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Massimino L, Palmieri O, Facoetti A, Fuggetta D, Spanò S, Lamparelli LA, D'Alessio S, Cagliani S, Furfaro F, D'Amico F, Zilli A, Fiorino G, Parigi TL, Noviello D, Latiano A, Bossa F, Latiano T, Pirola A, Mologni L, Piazza RG, Abbati D, Perri F, Bonini C, Peyrin-Biroulet L, Malesci A, Jairath V, Danese S, Ungaro F. Gut virome-colonising Orthohepadnavirus genus is associated with ulcerative colitis pathogenesis and induces intestinal inflammation in vivo. Gut 2023; 72:1838-1847. [PMID: 36788014 PMCID: PMC10511988 DOI: 10.1136/gutjnl-2022-328375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 02/06/2023] [Indexed: 02/16/2023]
Abstract
OBJECTIVES Ulcerative colitis (UC) is a chronic inflammatory disorder of unknown aetiology. Gut virome dysbiosis is fundamental in UC progression, although its role in the early phases of the disease is far from fully understood. Therefore, we sought to investigate the role of a virome-associated protein encoded by the Orthohepadnavirus genus, the hepatitis B virus X protein (HBx), in UC aetiopathogenesis. DESIGN HBx positivity of UC patient-derived blood and gut mucosa was assessed by RT-PCR and Sanger sequencing and correlated with clinical characteristics by multivariate analysis. Transcriptomics was performed on HBx-overexpressing endoscopic biopsies from healthy donors.C57BL/6 mice underwent intramucosal injections of liposome-conjugated HBx-encoding plasmids or the control, with or without antibiotic treatment. Multidimensional flow cytometry analysis was performed on colonic samples from HBx-treated and control animals. Transepithelial electrical resistance measurement, proliferation assay, chromatin immunoprecipitation assay with sequencing and RNA-sequencing were performed on in vitro models of the gut barrier. HBx-silencing experiments were performed in vitro and in vivo. RESULTS HBx was detected in about 45% of patients with UC and found to induce colonic inflammation in mice, while its silencing reverted the colitis phenotype in vivo. HBx acted as a transcriptional regulator in epithelial cells, provoking barrier leakage and altering both innate and adaptive mucosal immunity ex vivo and in vivo. CONCLUSION This study described HBx as a contributor to the UC pathogenesis and provides a new perspective on the virome as a target for tailored treatments.
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Affiliation(s)
- Luca Massimino
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Orazio Palmieri
- Division of Gastroenterology and Endoscopy, Fondazione IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy
| | - Amanda Facoetti
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Davide Fuggetta
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Salvatore Spanò
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Luigi Antonio Lamparelli
- IBD Center, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | | | - Stefania Cagliani
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Federica Furfaro
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Ferdinando D'Amico
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Alessandra Zilli
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Gionata Fiorino
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Tommaso Lorenzo Parigi
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Daniele Noviello
- Department of Pathophysiology and Transplantation, University of Milan, Milano, Italy
| | - Anna Latiano
- Division of Gastroenterology and Endoscopy, Fondazione IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy
| | - Fabrizio Bossa
- Division of Gastroenterology and Endoscopy, Fondazione IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy
| | - Tiziana Latiano
- Division of Gastroenterology and Endoscopy, Fondazione IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy
| | | | - Luca Mologni
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Rocco Giovanni Piazza
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
- Hematology and Clinical Research Unit, San Gerardo Hospital, Monza, Italy
| | - Danilo Abbati
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Francesco Perri
- Division of Gastroenterology and Endoscopy, Fondazione IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy
| | - Chiara Bonini
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Laurent Peyrin-Biroulet
- Inserm NGERE, University of Lorraine, Nancy, France
- Department of Hepato-Gastroenterology, University Hospital Centre Nancy, Nancy, France
| | - Alberto Malesci
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Vipul Jairath
- Department of Medicine, Division of Gastroenterology, Western University, London, Ontario, Canada
| | - Silvio Danese
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
| | - Federica Ungaro
- Department of Gastroenterology and Digestive Endoscopy, IRCCS Ospedale San Raffaele, Milano, Italy
- Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, Italy
- Faculty of Medicine, Università Vita Salute San Raffaele, Milano, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
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11
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Mukhopadhya I. Is HBx protein the X factor in the pathogenesis of IBD? Gut 2023; 72:1808-1809. [PMID: 36948575 DOI: 10.1136/gutjnl-2023-329666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 03/14/2023] [Indexed: 03/24/2023]
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12
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Alkhalil SS. The role of bacteriophages in shaping bacterial composition and diversity in the human gut. Front Microbiol 2023; 14:1232413. [PMID: 37795308 PMCID: PMC10546012 DOI: 10.3389/fmicb.2023.1232413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/17/2023] [Indexed: 10/06/2023] Open
Abstract
The microbiota of the gut has continued to co-evolve alongside their human hosts conferring considerable health benefits including the production of nutrients, drug metabolism, modulation of the immune system, and playing an antagonistic role against pathogen invasion of the gastrointestinal tract (GIT). The gut is said to provide a habitat for diverse groups of microorganisms where they all co-habit and interact with one another and with the immune system of humans. Phages are bacterial parasites that require the host metabolic system to replicate via the lytic or lysogenic cycle. The phage and bacterial populations are regarded as the most dominant in the gut ecosystem. As such, among the various microbial interactions, the phage-bacteria interactions, although complex, have been demonstrated to co-evolve over time using different mechanisms such as predation, lysogenic conversion, and phage induction, alongside counterdefense by the bacterial population. With the help of models and dynamics of phage-bacteria interactions, the complexity behind their survival in the gut ecosystem was demystified, and their roles in maintaining gut homeostasis and promoting the overall health of humans were elucidated. Although the treatment of various gastrointestinal infections has been demonstrated to be successful against multidrug-resistant causative agents, concerns about this technique are still very much alive among researchers owing to the potential for phages to evolve. Since a dearth of knowledge exists regarding the use of phages for therapeutic purposes, more studies involving experimental models and clinical trials are needed to widen the understanding of bacteria-phage interactions and their association with immunological responses in the gut of humans.
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Affiliation(s)
- Samia S. Alkhalil
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Alquwayiyah, Riyadh, Saudi Arabia
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13
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Rajput M, Thakur N. Editorial: Advances in host-pathogen interactions for diseases in animals and birds. Front Vet Sci 2023; 10:1282110. [PMID: 37766859 PMCID: PMC10520279 DOI: 10.3389/fvets.2023.1282110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Affiliation(s)
- Mrigendra Rajput
- Department of Biology, University of Dayton, Dayton, OH, United States
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14
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Pargin E, Roach MJ, Skye A, Papudeshi B, Inglis LK, Mallawaarachchi V, Grigson SR, Harker C, Edwards RA, Giles SK. The human gut virome: composition, colonization, interactions, and impacts on human health. Front Microbiol 2023; 14:963173. [PMID: 37293229 PMCID: PMC10244655 DOI: 10.3389/fmicb.2023.963173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 05/08/2023] [Indexed: 06/10/2023] Open
Abstract
The gut virome is an incredibly complex part of the gut ecosystem. Gut viruses play a role in many disease states, but it is unknown to what extent the gut virome impacts everyday human health. New experimental and bioinformatic approaches are required to address this knowledge gap. Gut virome colonization begins at birth and is considered unique and stable in adulthood. The stable virome is highly specific to each individual and is modulated by varying factors such as age, diet, disease state, and use of antibiotics. The gut virome primarily comprises bacteriophages, predominantly order Crassvirales, also referred to as crAss-like phages, in industrialized populations and other Caudoviricetes (formerly Caudovirales). The stability of the virome's regular constituents is disrupted by disease. Transferring the fecal microbiome, including its viruses, from a healthy individual can restore the functionality of the gut. It can alleviate symptoms of chronic illnesses such as colitis caused by Clostridiodes difficile. Investigation of the virome is a relatively novel field, with new genetic sequences being published at an increasing rate. A large percentage of unknown sequences, termed 'viral dark matter', is one of the significant challenges facing virologists and bioinformaticians. To address this challenge, strategies include mining publicly available viral datasets, untargeted metagenomic approaches, and utilizing cutting-edge bioinformatic tools to quantify and classify viral species. Here, we review the literature surrounding the gut virome, its establishment, its impact on human health, the methods used to investigate it, and the viral dark matter veiling our understanding of the gut virome.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Sarah K. Giles
- Flinders Accelerator for Microbiome Exploration, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
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15
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Raeisi H, Noori M, Azimirad M, Mohebbi SR, Asadzadeh Aghdaei H, Yadegar A, Zali MR. Emerging applications of phage therapy and fecal virome transplantation for treatment of Clostridioides difficile infection: challenges and perspectives. Gut Pathog 2023; 15:21. [PMID: 37161478 PMCID: PMC10169144 DOI: 10.1186/s13099-023-00550-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/02/2023] [Indexed: 05/11/2023] Open
Abstract
Clostridioides difficile, which causes life-threatening diarrheal disease, is considered an urgent threat to healthcare setting worldwide. The current standards of care solely rely on conventional antibiotic treatment, however, there is a risk of promoting recurrent C. difficile infection (rCDI) because of the emergence of antibiotic-resistant strains. Globally, the alarming spread of antibiotic-resistant strains of C. difficile has resulted in a quest for alternative therapeutics. The use of fecal microbiota transplantation (FMT), which involves direct infusion of fecal suspension from a healthy donor into a diseased recipient, has been approved as a highly efficient therapeutic option for patients with rCDI. Bacteriophages or phages are a group of viruses that can infect and destroy bacterial hosts, and are recognized as the dominant viral component of the human gut microbiome. Accumulating data has demonstrated that phages play a vital role in microbial balance of the human gut microbiome. Recently, phage therapy and fecal virome transplantation (FVT) have been introduced as promising alternatives for the treatment of C. difficile -related infections, in particular drug-resistant CDI. Herein, we review the latest updates on C. difficile- specific phages, and phage-mediated treatments, and highlight the current and future prospects of phage therapy in the management of CDI.
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Affiliation(s)
- Hamideh Raeisi
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Noori
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoumeh Azimirad
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Reza Mohebbi
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Yadegar
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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16
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Dehghani T, Gholizadeh O, Daneshvar M, Nemati MM, Akbarzadeh S, Amini P, Afkhami H, Kohansal M, Javanmard Z, Poortahmasebi V. Association Between Inflammatory Bowel Disease and Viral Infections. Curr Microbiol 2023; 80:195. [PMID: 37106245 PMCID: PMC10139670 DOI: 10.1007/s00284-023-03305-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 04/17/2023] [Indexed: 04/29/2023]
Abstract
Chronic inflammatory gastrointestinal diseases such as Crohn's disease (CD) and ulcerative colitis (UC) are known as inflammatory bowel disorders (IBD). Patients with inflammatory bowel illnesses are more susceptible to viral infections. In people with IBD, viral infections have emerged as a significant issue. Viral infections are often difficult to identify and have a high morbidity and fatality rate. We reviewed studies on viral infections and IBD, concentrating on Cytomegalovirus (CMV), SARS-CoV-2, Epstein-Barr virus (EBV), enteric viruses, and hepatitis B virus (HBV). Also, the effect of IBD on these viral infections is discussed. These data suggest that patients with IBD are more likely to get viral infections. As a result, practitioners should be aware of the increased risk of viral infections in inflammatory bowel disease patients.
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Affiliation(s)
- Tannaz Dehghani
- Internal Medicine, Lorestan University of Medical Sciences, Lorestan, Iran
| | - Omid Gholizadeh
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mohammad Mahdi Nemati
- Department of Animal Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Sama Akbarzadeh
- Department of Animal Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Parya Amini
- Faculty of Medicine, Yasouj University of Medical Sciences, Yasouj, Iran
| | - Hamed Afkhami
- Department of Medical Microbiology, Faculty of Medicine, Shahed University of Medical Science, Tehran, Iran
| | - Maryam Kohansal
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
| | - Zahra Javanmard
- Department of Medical Microbiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Vahdat Poortahmasebi
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
- Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran.
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17
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Dallas JW, Warne RW. Captivity and Animal Microbiomes: Potential Roles of Microbiota for Influencing Animal Conservation. Microb Ecol 2023; 85:820-838. [PMID: 35316343 DOI: 10.1007/s00248-022-01991-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/07/2022] [Indexed: 05/04/2023]
Abstract
During the ongoing biodiversity crisis, captive conservation and breeding programs offer a refuge for species to persist and provide source populations for reintroduction efforts. Unfortunately, captive animals are at a higher disease risk and reintroduction efforts remain largely unsuccessful. One potential factor in these outcomes is the host microbiota which includes a large diversity and abundance of bacteria, fungi, and viruses that play an essential role in host physiology. Relative to wild populations, the generalized pattern of gut and skin microbiomes in captivity are reduced alpha diversity and they exhibit a significant shift in community composition and/or structure which often correlates with various physiological maladies. Many conditions of captivity (antibiotic exposure, altered diet composition, homogenous environment, increased stress, and altered intraspecific interactions) likely lead to changes in the host-associated microbiome. To minimize the problems arising from captivity, efforts can be taken to manipulate microbial diversity and composition to be comparable with wild populations through methods such as increasing dietary diversity, exposure to natural environmental reservoirs, or probiotics. For individuals destined for reintroduction, these strategies can prime the microbiota to buffer against novel pathogens and changes in diet and improve reintroduction success. The microbiome is a critical component of animal physiology and its role in species conservation should be expanded and included in the repertoire of future management practices.
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Affiliation(s)
- Jason W Dallas
- Department of Biological Sciences, Southern Illinois University, 1125 Lincoln Drive, Carbondale, IL, 62901, USA.
| | - Robin W Warne
- Department of Biological Sciences, Southern Illinois University, 1125 Lincoln Drive, Carbondale, IL, 62901, USA
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Ma T, Yang N, Xie Y, Li Y, Xiao Q, Li Q, Jin H, Zheng L, Sun Z, Zuo K, Kwok LY, Zhang H, Lu N, Liu W. Effect of the probiotic strain, Lactiplantibacillus plantarum P9, on chronic constipation: a randomized, double-blind, placebo-controlled study. Pharmacol Res 2023; 191:106755. [PMID: 37019193 DOI: 10.1016/j.phrs.2023.106755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/20/2023] [Accepted: 04/02/2023] [Indexed: 04/05/2023]
Abstract
Chronic constipation (CC) is a common gastrointestinal condition associated with intestinal inflammation, and the condition considerably impairs patients' quality of life. We conducted a large-scale 42-day randomized, double-blind, placebo-controlled trial to investigate the effect of probiotics in alleviating CC. 163 patients diagnosed with CC (following Rome IV criteria) were randomly divided into probiotic (n = 78; received Lactiplantibacillus plantarum P9 [P9]; 1×1011 CFU/day) and placebo (n = 85; received placebo material) groups. Ingesting P9 significantly improved the weekly mean frequency of complete spontaneous bowel movements (CSBMs) and spontaneous bowel movements (SBMs), while significantly reducing the level of worries and concerns (WO; P < 0.05). Comparing with the placebo group, P9 group was significantly enriched in potentially beneficial bacteria (Lactiplantibacillus plantarum and Ruminococcus_B gnavus), while depriving of several bacterial and phage taxa (Oscillospiraceae sp., Lachnospiraceae sp., and Herelleviridae; P < 0.05). Interesting significant correlations were also observed between some clinical parameters and subjects' gut microbiome, including: negative correlation between Oscillospiraceae sp. and SBMs; positive correlation between WO and Oscillospiraceae sp., Lachnospiraceae sp. Additionally, P9 group had significantly (P < 0.05) more predicted gut microbial bioactive potential involved in the metabolism of amino acids (L-asparagine, L-pipecolinic), short-/medium-chain fatty acids (valeric acid and caprylic acid). Furthermore, several metabolites (p-cresol, methylamine, trimethylamine) related to the intestinal barrier and transit decreased significantly after P9 administration (P < 0.05). In short, the constipation relief effect of P9 intervention was accompanied by desirable changes in the fecal metagenome and metabolome. Our findings support the notion of applying probiotics in managing CC.
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Ezzatpour S, Mondragon Portocarrero ADC, Cardelle-Cobas A, Lamas A, López-Santamarina A, Miranda JM, Aguilar HC. The Human Gut Virome and Its Relationship with Nontransmissible Chronic Diseases. Nutrients 2023; 15:977. [PMID: 36839335 PMCID: PMC9960951 DOI: 10.3390/nu15040977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/03/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
The human gastrointestinal tract contains large communities of microorganisms that are in constant interaction with the host, playing an essential role in the regulation of several metabolic processes. Among the gut microbial communities, the gut bacteriome has been most widely studied in recent decades. However, in recent years, there has been increasing interest in studying the influences that other microbial groups can exert on the host. Among them, the gut virome is attracting great interest because viruses can interact with the host immune system and metabolic functions; this is also the case for phages, which interact with the bacterial microbiota. The antecedents of virome-rectification-based therapies among various diseases were also investigated. In the near future, stool metagenomic investigation should include the identification of bacteria and phages, as well as their correlation networks, to better understand gut microbiota activity in metabolic disease progression.
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Affiliation(s)
- Shahrzad Ezzatpour
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Alicia del Carmen Mondragon Portocarrero
- Laboratorio de Higiene, Inspección y Control de Alimentos (LHICA), Departamento de Química Analítica, Nutrición y Bromatología, Universidade de Santiago de Compostela, 27002 Lugo, Spain
| | - Alejandra Cardelle-Cobas
- Laboratorio de Higiene, Inspección y Control de Alimentos (LHICA), Departamento de Química Analítica, Nutrición y Bromatología, Universidade de Santiago de Compostela, 27002 Lugo, Spain
| | - Alexandre Lamas
- Laboratorio de Higiene, Inspección y Control de Alimentos (LHICA), Departamento de Química Analítica, Nutrición y Bromatología, Universidade de Santiago de Compostela, 27002 Lugo, Spain
| | - Aroa López-Santamarina
- Laboratorio de Higiene, Inspección y Control de Alimentos (LHICA), Departamento de Química Analítica, Nutrición y Bromatología, Universidade de Santiago de Compostela, 27002 Lugo, Spain
| | - José Manuel Miranda
- Laboratorio de Higiene, Inspección y Control de Alimentos (LHICA), Departamento de Química Analítica, Nutrición y Bromatología, Universidade de Santiago de Compostela, 27002 Lugo, Spain
| | - Hector C. Aguilar
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
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20
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Augustin A, Guennec AL, Umamahesan C, Kendler‐Rhodes A, Tucker RM, Chekmeneva E, Takis P, Lewis M, Balasubramanian K, DeSouza N, Mullish BH, Taylor D, Ryan S, Whelan K, Ma Y, Ibrahim MAA, Bjarnason I, Hayee BH, Charlett A, Dobbs SM, Dobbs RJ, Weller C. Faecal metabolite deficit, gut inflammation and diet in Parkinson's disease: Integrative analysis indicates inflammatory response syndrome. Clin Transl Med 2023; 13:e1152. [PMID: 36588088 PMCID: PMC9806009 DOI: 10.1002/ctm2.1152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/16/2022] [Accepted: 12/08/2022] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Gut-brain axis is widely implicated in the pathophysiology of Parkinson's disease (PD). We take an integrated approach to considering the gut as a target for disease-modifying intervention, using continuous measurements of disease facets irrespective of diagnostic divide. METHODS We characterised 77 participants with diagnosed-PD, 113 without, by dietary/exogenous substance intake, faecal metabolome, intestinal inflammation, serum cytokines/chemokines, clinical phenotype including colonic transit time. Complete-linkage hierarchical cluster analysis of metabolites discriminant for PD-status was performed. RESULTS Longer colonic transit was linked to deficits in faecal short-chain-fatty acids outside PD, to a 'tryptophan-containing metabolite cluster' overall. Phenotypic cluster analysis aggregated colonic transit with brady/hypokinesia, tremor, sleep disorder and dysosmia, each individually associated with tryptophan-cluster deficit. Overall, a faster pulse was associated with deficits in a metabolite cluster including benzoic acid and an imidazole-ring compound (anti-fungals) and vitamin B3 (anti-inflammatory) and with higher serum CCL20 (chemotactic for lymphocytes/dendritic cells towards mucosal epithelium). The faster pulse in PD was irrespective of postural hypotension. The benzoic acid-cluster deficit was linked to (well-recognised) lower caffeine and alcohol intakes, tryptophan-cluster deficit to higher maltose intake. Free-sugar intake was increased in PD, maltose intake being 63% higher (p = .001). Faecal calprotectin was 44% (95% CI 5%, 98%) greater in PD [p = .001, adjusted for proton-pump inhibitors (p = .001)], with 16% of PD-probands exceeding a cut-point for clinically significant inflammation compatible with inflammatory bowel disease. Higher maltose intake was associated with exceeding this calprotectin cut-point. CONCLUSIONS Emerging picture is of (i) clinical phenotype being described by deficits in microbial metabolites essential to gut health; (ii) intestinal inflammation; (iii) a systemic inflammatory response syndrome.
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Affiliation(s)
- Aisha Augustin
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- The Maudsley HospitalLondonUK
| | | | - Chianna Umamahesan
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- The Maudsley HospitalLondonUK
| | | | - Rosalind M. Tucker
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- The Maudsley HospitalLondonUK
| | - Elena Chekmeneva
- National Phenome CentreImperial College LondonLondonUK
- Section of Bioanalytical ChemistryImperial College LondonLondonUK
| | - Panteleimon Takis
- National Phenome CentreImperial College LondonLondonUK
- Section of Bioanalytical ChemistryImperial College LondonLondonUK
| | - Matthew Lewis
- National Phenome CentreImperial College LondonLondonUK
- Section of Bioanalytical ChemistryImperial College LondonLondonUK
| | | | | | - Benjamin H Mullish
- Department of MetabolismDigestion and ReproductionImperial College, LondonUK
| | - David Taylor
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- The Maudsley HospitalLondonUK
| | | | - Kevin Whelan
- Nutritional SciencesKing's College LondonLondonUK
| | - Yun Ma
- Institute of Liver StudiesKing's College HospitalLondonUK
| | | | | | | | - André Charlett
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- Statistics, Modelling and EconomicsUK Health Security AgencyLondonUK
| | - Sylvia M. Dobbs
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- GastroenterologyKing's College HospitalLondonUK
| | - R. John Dobbs
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
- GastroenterologyKing's College HospitalLondonUK
| | - Clive Weller
- Institute of Pharmaceutical ScienceKing's College LondonLondonUK
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21
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Zuckerman NS, Shulman LM. Next-Generation Sequencing in the Study of Infectious Diseases. Infect Dis (Lond) 2023. [DOI: 10.1007/978-1-0716-2463-0_1090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/10/2023] Open
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22
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Daramola OI, Jimenez NR. A database to identify the human gut virome. Nat Microbiol 2023; 8:5. [PMID: 36550315 DOI: 10.1038/s41564-022-01280-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Oluwasegun I Daramola
- Department of Biomedical Laboratory Science, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Nicole R Jimenez
- University of Arizona College of Medicine - Phoenix, Phoenix, AZ, USA.
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23
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Jaswal K, Todd OA, Behnsen J. Neglected gut microbiome: interactions of the non-bacterial gut microbiota with enteric pathogens. Gut Microbes 2023; 15:2226916. [PMID: 37365731 DOI: 10.1080/19490976.2023.2226916] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 06/28/2023] Open
Abstract
A diverse array of commensal microorganisms inhabits the human intestinal tract. The most abundant and most studied members of this microbial community are undoubtedly bacteria. Their important role in gut physiology, defense against pathogens, and immune system education has been well documented over the last decades. However, the gut microbiome is not restricted to bacteria. It encompasses the entire breadth of microbial life: viruses, archaea, fungi, protists, and parasitic worms can also be found in the gut. While less studied than bacteria, their divergent but important roles during health and disease have become increasingly more appreciated. This review focuses on these understudied members of the gut microbiome. We will detail the composition and development of these microbial communities and will specifically highlight their functional interactions with enteric pathogens, such as species of the family Enterobacteriaceae. The interactions can be direct through physical interactions, or indirect through secreted metabolites or modulation of the immune response. We will present general concepts and specific examples of how non-bacterial gut communities modulate bacterial pathogenesis and present an outlook for future gut microbiome research that includes these communities.
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Affiliation(s)
- Kanchan Jaswal
- Department of Microbiology and Immunology, University of Illinois Chicago, Chicago, IL, USA
| | - Olivia A Todd
- Department of Microbiology and Immunology, University of Illinois Chicago, Chicago, IL, USA
| | - Judith Behnsen
- Department of Microbiology and Immunology, University of Illinois Chicago, Chicago, IL, USA
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24
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Kang GG, Trevaskis NL, Murphy AJ, Febbraio MA. Diet-induced gut dysbiosis and inflammation: Key drivers of obesity-driven NASH. iScience 2023; 26:105905. [PMID: 36691622 DOI: 10.1016/j.isci.2022.105905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Sucrose, the primary circulating sugar in plants, contains equal amounts of fructose and glucose. The latter is the predominant circulating sugar in animals and thus the primary fuel source for various tissue and cell types in the body. Chronic excessive energy intake has, however, emerged as a major driver of obesity and associated pathologies including nonalcoholic fatty liver diseases (NAFLD) and the more severe nonalcoholic steatohepatitis (NASH). Consumption of a high-caloric, western-style diet induces gut dysbiosis and inflammation resulting in leaky gut. Translocation of gut-derived bacterial content promotes hepatic inflammation and ER stress, and when either or both of these are combined with steatosis, it can cause NASH. Here, we review the metabolic links between diet-induced changes in the gut and NASH. Furthermore, therapeutic interventions for the treatment of obesity and liver metabolic diseases are also discussed with a focus on restoring the gut-liver axis.
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25
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Zhang F, Gia A, Chen G, Gong L, Behary J, Hold GL, Zekry A, Tang X, Sun Y, El-Omar E, Jiang XT. Critical Assessment of Whole Genome and Viral Enrichment Shotgun Metagenome on the Characterization of Stool Total Virome in Hepatocellular Carcinoma Patients. Viruses 2022; 15:53. [PMID: 36680094 PMCID: PMC9866815 DOI: 10.3390/v15010053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Viruses are the most abundant form of life on earth and play important roles in a broad range of ecosystems. Currently, two methods, whole genome shotgun metagenome (WGSM) and viral-like particle enriched metagenome (VLPM) sequencing, are widely applied to compare viruses in various environments. However, there is no critical assessment of their performance in recovering viruses and biological interpretation in comparative viral metagenomic studies. To fill this gap, we applied the two methods to investigate the stool virome in hepatocellular carcinoma (HCC) patients and healthy controls. Both WGSM and VLPM methods can capture the major diversity patterns of alpha and beta diversities and identify the altered viral profiles in the HCC stool samples compared with healthy controls. Viral signatures identified by both methods showed reductions of Faecalibacterium virus Taranis in HCC patients' stool. Ultra-deep sequencing recovered more viruses in both methods, however, generally, 3 or 5 Gb were sufficient to capture the non-fragmented long viral contigs. More lytic viruses were detected than lysogenetic viruses in both methods, and the VLPM can detect the RNA viruses. Using both methods would identify shared and specific viral signatures and would capture different parts of the total virome.
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Affiliation(s)
- Fan Zhang
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
| | - Andrew Gia
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
| | - Guowei Chen
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Lan Gong
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
| | - Jason Behary
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
- Department of Gastroenterology, St George Hospital, Sydney, NSW 2217, Australia
| | - Georgina L. Hold
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
| | - Amany Zekry
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
- Department of Gastroenterology, St George Hospital, Sydney, NSW 2217, Australia
| | - Xubo Tang
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Yanni Sun
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Emad El-Omar
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
- Department of Gastroenterology, St George Hospital, Sydney, NSW 2217, Australia
| | - Xiao-Tao Jiang
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2217, Australia
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26
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Alcazar CGM, Paes VM, Shao Y, Oesser C, Miltz A, Lawley TD, Brocklehurst P, Rodger A, Field N. The association between early-life gut microbiota and childhood respiratory diseases: a systematic review. Lancet Microbe 2022; 3:e867-e880. [PMID: 35988549 PMCID: PMC10499762 DOI: 10.1016/s2666-5247(22)00184-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 04/29/2022] [Accepted: 06/08/2022] [Indexed: 01/14/2023]
Abstract
Data from animal models suggest a role of early-life gut microbiota in lung immune development, and in establishing susceptibility to respiratory infections and asthma in humans. This systematic review summarises the association between infant (ages 0-12 months) gut microbiota composition measured by genomic sequencing, and childhood (ages 0-18 years) respiratory diseases (ie, respiratory infections, wheezing, or asthma). Overall, there was evidence that low α-diversity and relative abundance of particular gut-commensal bacteria genera (Bifidobacterium, Faecalibacterium, Ruminococcus, and Roseburia) are associated with childhood respiratory diseases. However, results were inconsistent and studies had important limitations, including insufficient characterisation of bacterial taxa to species level, heterogeneous outcome definitions, residual confounding, and small sample sizes. Large longitudinal studies with stool sampling during the first month of life and shotgun metagenomic approaches to improve bacterial and fungal taxa resolution are needed. Standardising follow-up times and respiratory disease definitions and optimising causal statistical approaches might identify targets for primary prevention of childhood respiratory diseases.
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Affiliation(s)
| | - Veena Mazarello Paes
- Institute for Child Health, University College London, London, UK; John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Yan Shao
- Host-Microbiota Interactions Laboratory, Wellcome Sanger Institute, Hinxton, UK
| | - Clarissa Oesser
- Institute for Global Health, University College London, London, UK
| | - Ada Miltz
- Institute for Global Health, University College London, London, UK
| | - Trevor D Lawley
- Host-Microbiota Interactions Laboratory, Wellcome Sanger Institute, Hinxton, UK
| | - Peter Brocklehurst
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Alison Rodger
- Institute for Global Health, University College London, London, UK; Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Nigel Field
- Institute for Global Health, University College London, London, UK
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27
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Wang Z, Guo K, Liu Y, Huang C, Wu M. Dynamic impact of virome on colitis and colorectal cancer: Immunity, inflammation, prevention and treatment. Semin Cancer Biol 2022; 86:943-954. [PMID: 34656791 PMCID: PMC9008076 DOI: 10.1016/j.semcancer.2021.10.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/20/2021] [Accepted: 10/08/2021] [Indexed: 02/05/2023]
Abstract
The gut microbiome includes a series of microorganism genomes, such as bacteriome, virome, mycobiome, etc. The gut microbiota is critically involved in intestine immunity and diseases, including inflammatory bowel disease (IBD) and colorectal cancer (CRC); however, the underlying mechanism remains incompletely understood. Clarifying the relationship between microbiota and inflammation may profoundly improve our understanding of etiology, disease progression, patient management, and the development of prevention and treatment. In this review, we discuss the latest studies of the influence of enteric viruses (i.e., commensal viruses, pathogenic viruses, and bacteriophages) in the initiation, progression, and complication of colitis and colorectal cancer, and their potential for novel preventative approaches and therapeutic application. We explore the interplay between gut viruses and host immune systems for its effects on the severity of inflammatory diseases and cancer, including both direct and indirect interactions between enteric viruses with other microbes and microbial products. Furthermore, the underlying mechanisms of the virome's roles in gut inflammatory response have been explained to infer potential therapeutic targets with examples in specific clinical trials. Given that very limited literature has thus far discussed these various topics with the gut virome, we believe these extensive analyses may provide insight into the understanding of the molecular pathogenesis of IBD and CRC, which could help add the design of improved therapies for these important human diseases.
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Affiliation(s)
- Zhihan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, 58202, USA
| | - Kai Guo
- Department of Neurology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yingying Liu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, 58202, USA
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
| | - Min Wu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, 58202, USA.
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28
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Al Hakeem WG, Fathima S, Shanmugasundaram R, Selvaraj RK. Campylobacter jejuni in Poultry: Pathogenesis and Control Strategies. Microorganisms 2022; 10:2134. [PMID: 36363726 PMCID: PMC9697106 DOI: 10.3390/microorganisms10112134] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 07/29/2023] Open
Abstract
C. jejuni is the leading cause of human foodborne illness associated with poultry, beef, and pork consumption. C. jejuni is highly prevalent in commercial poultry farms, where horizontal transmission from the environment is considered to be the primary source of C. jejuni. As an enteric pathogen, C. jejuni expresses virulence factors regulated by a two-component system that mediates C. jejuni's ability to survive in the host. C. jejuni survives and reproduces in the avian intestinal mucus. The avian intestinal mucus is highly sulfated and sialylated compared with the human mucus modulating C. jejuni pathogenicity into a near commensal bacteria in poultry. Birds are usually infected from two to four weeks of age and remain colonized until they reach market age. A small dose of C. jejuni (around 35 CFU/mL) is sufficient for successful bird colonization. In the U.S., where chickens are raised under antibiotic-free environments, additional strategies are required to reduce C. jejuni prevalence on broilers farms. Strict biosecurity measures can decrease C. jejuni prevalence by more than 50% in broilers at market age. Vaccination and probiotics, prebiotics, synbiotics, organic acids, bacteriophages, bacteriocins, and quorum sensing inhibitors supplementation can improve gut health and competitively exclude C. jejuni load in broilers. Most of the mentioned strategies showed promising results; however, they are not fully implemented in poultry production. Current knowledge on C. jejuni's morphology, source of transmission, pathogenesis in poultry, and available preharvest strategies to decrease C. jejuni colonization in broilers are addressed in this review.
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Affiliation(s)
| | - Shahna Fathima
- Department of Poultry Science, The University of Georgia, Athens, GA 30602, USA
| | - Revathi Shanmugasundaram
- Toxicology and Mycotoxin Research Unit, US National Poultry Research Center, Agricultural Research Service, U.S. Department of Agriculture, Athens, GA 30605, USA
| | - Ramesh K. Selvaraj
- Department of Poultry Science, The University of Georgia, Athens, GA 30602, USA
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Ramanan V, Mechery S, Sarkar IN. GenBank as a source to monitor and analyze Host-Microbiome data. Bioinformatics 2022; 38:4172-4177. [PMID: 35801940 PMCID: PMC9438952 DOI: 10.1093/bioinformatics/btac487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/08/2022] [Accepted: 07/07/2022] [Indexed: 12/24/2022] Open
Abstract
MOTIVATION Microbiome datasets are often constrained by sequencing limitations. GenBank is the largest collection of publicly available DNA sequences, which is maintained by the National Center of Biotechnology Information (NCBI). The metadata of GenBank records are a largely understudied resource and may be uniquely leveraged to access the sum of prior studies focused on microbiome composition. Here, we developed a computational pipeline to analyze GenBank metadata, containing data on hosts, microorganisms and their place of origin. This work provides the first opportunity to leverage the totality of GenBank to shed light on compositional data practices that shape how microbiome datasets are formed as well as examine host-microbiome relationships. RESULTS The collected dataset contains multiple kingdoms of microorganisms, consisting of bacteria, viruses, archaea, protozoa, fungi, and invertebrate parasites, and hosts of multiple taxonomical classes, including mammals, birds and fish. A human data subset of this dataset provides insights to gaps in current microbiome data collection, which is biased towards clinically relevant pathogens. Clustering and phylogenic analysis reveals the potential to use these data to model host taxonomy and evolution, revealing groupings formed by host diet, environment and coevolution. AVAILABILITY AND IMPLEMENTATION GenBank Host-Microbiome Pipeline is available at https://github.com/bcbi/genbank_holobiome. The GenBank loader is available at https://github.com/bcbi/genbank_loader. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Vivek Ramanan
- Center of Computational Molecular Biology Brown University, Providence, RI, USA
- Center for Biomedical Informatics Brown University, Providence, RI, USA
| | - Shanti Mechery
- Center for Biomedical Informatics Brown University, Providence, RI, USA
| | - Indra Neil Sarkar
- Center of Computational Molecular Biology Brown University, Providence, RI, USA
- Center for Biomedical Informatics Brown University, Providence, RI, USA
- Rhode Island Quality Institute, Providence, RI, USA
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30
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Chelluboina B, Kieft K, Breister A, Anantharaman K, Vemuganti R. Gut virome dysbiosis following focal cerebral ischemia in mice. J Cereb Blood Flow Metab 2022; 42:1597-1602. [PMID: 35702025 PMCID: PMC9441728 DOI: 10.1177/0271678x221107702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/11/2022] [Accepted: 05/13/2022] [Indexed: 11/15/2022]
Abstract
Stroke leads to gut bacterial dysbiosis that impacts the post-stroke outcome. The gut microbiome also contains a high abundance of viruses which might play a crucial role in disease progression and recovery by modulating the metabolism of both host and host's gut bacteria. We presently analyzed the virome composition (viruses and phages) by shotgun metagenomics in the fecal samples obtained at 1 day of reperfusion following transient focal ischemia in adult mice. Viral genomes, viral auxiliary metabolic genes, and viral protein networks were compared between stroke and sham conditions (stroke vs sham, exclusive to sham and exclusive to stroke). Following focal ischemia, abundances of 2 viral taxa decreased, and 5 viral taxa increased compared with the sham. Furthermore, the abundance of Clostridia-like phages and Erysipelatoclostridiaceae-like phages were altered in the stroke compared with the sham cohorts. This is the first report to show that the gut virome responds acutely to stroke.
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Affiliation(s)
- Bharath Chelluboina
- Department of Neurological Surgery, University of
Wisconsin-Madison, Madison, WI, USA
| | - Kristopher Kieft
- Department of Bacteriology, University of Wisconsin-Madison,
Madison, WI, USA
| | - Adam Breister
- Department of Bacteriology, University of Wisconsin-Madison,
Madison, WI, USA
| | | | - Raghu Vemuganti
- Department of Neurological Surgery, University of
Wisconsin-Madison, Madison, WI, USA
- William S. Middleton Veterans Administration Hospital, Madison,
WI, USA
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31
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Zuo K, Li J, Fang C, Zhong J, Xu L, Yang X. Alterations of gut viral signals in atrial fibrillation: complex linkage with gut bacteriome. Aging (Albany NY) 2022; 14. [PMID: 35985693 DOI: 10.18632/aging.204222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/12/2022] [Indexed: 11/25/2022]
Abstract
The gut microbiota has a known complex association with atrial fibrillation (AF) progression, but the association of gut viruses with AF is undefined. Metagenomic data in a cohort of 50 AF patients and 50 matched controls were examined to profile the gut viral signals and determine their associations with intestinal bacteria and the AF phenotype. The gut viral alterations were examined, and the marked elevation of viral diversity, including increased Simpson, Shannon, and Pielou index, was revealed in AF patients. The specific alteration of the intestinal viral population, such as overgrowth of Streptococcus virus DT1 and Pseudomonas phage, as well as imbalanced gut viral function, dominated by integral component of the membrane, and metal ion binding were detected in AF patients. Moreover, regarding co-occurrence networks connecting viruses and bacterial organisms, increasingly disordered virus-bacteria linkages were seen in AF cases with severe AF progression. Notably, the associations of Synechococcus phage S−SM1 and Cronobacter phage CR5 with bacterial species were very tight in control individuals but markedly dampened in AF cases. Furthermore, the viral score built by the selected discriminative taxa between AF cases with or without recurrence after ablation was still significantly associated with recurrence (HR = 2.959, P = 0.0085), with a survival AUC of 0.878. We demonstrated for the first time that gut viral signatures are associated with AF, and suppressed viral-bacterial associations in AF suggest the gut virus might participate in AF progression, which has a potential value in predicting ablation outcomes.
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Fernandes D, Andreyev J. The Role of the Human Gut Microbiome in Inflammatory Bowel Disease and Radiation Enteropathy. Microorganisms 2022; 10:1613. [PMID: 36014031 PMCID: PMC9415405 DOI: 10.3390/microorganisms10081613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 12/04/2022] Open
Abstract
The human gut microbiome plays a key role in regulating host physiology. In a stable state, both the microbiota and the gut work synergistically. The overall homeostasis of the intestinal flora can be affected by multiple factors, including disease states and the treatments given for those diseases. In this review, we examine the relatively well-characterised abnormalities that develop in the microbiome in idiopathic inflammatory bowel disease, and compare and contrast them to those that are found in radiation enteropathy. We discuss how these changes may exert their effects at a molecular level, and the possible role of manipulating the microbiome through the use of a variety of therapies to reduce the severity of the underlying condition.
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Wahab S, Almaghaslah D, Mahmood SE, Ahmad MF, Alsayegh AA, Abu Haddash YM, Rahman MA, Ahamd I, Ahmad W, Khalid M, Usmani S, Ahmad MP, Hani U. Pharmacological Efficacy of Probiotics in Respiratory Viral Infections: A Comprehensive Review. J Pers Med 2022; 12:jpm12081292. [PMID: 36013241 PMCID: PMC9409792 DOI: 10.3390/jpm12081292] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/25/2022] [Accepted: 08/01/2022] [Indexed: 01/30/2023] Open
Abstract
Mortality and morbidity from influenza and other respiratory viruses are significant causes of concern worldwide. Infections in the respiratory tract are often underappreciated because they tend to be mild and incapacitated. On the other hand, these infections are regarded as a common concern in clinical practice. Antibiotics are used to treat bacterial infections, albeit this is becoming more challenging since many of the more prevalent infection causes have acquired a wide range of antimicrobial resistance. Resistance to frontline treatment medications is constantly rising, necessitating the development of new antiviral agents. Probiotics are one of several medications explored to treat respiratory viral infection (RVI). As a result, certain probiotics effectively prevent gastrointestinal dysbiosis and decrease the likelihood of secondary infections. Various probiotic bacterias and their metabolites have shown immunomodulating and antiviral properties. Unfortunately, the mechanisms by which probiotics are effective in the fight against viral infections are sometimes unclear. This comprehensive review has addressed probiotic strains, dosage regimens, production procedures, delivery systems, and pre-clinical and clinical research. In particular, novel probiotics’ fight against RVIs is the impetus for this study. Finally, this review may explore the potential of probiotic bacterias and their metabolites to treat RVIs. It is expected that probiotic-based antiviral research would be benefitted from this review’s findings.
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Affiliation(s)
- Shadma Wahab
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
- Correspondence: or
| | - Dalia Almaghaslah
- Department of Clinical Pharmacy, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
| | - Syed Esam Mahmood
- Department of Family and Community Medicine, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia
| | - Md Faruque Ahmad
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdulrahman A. Alsayegh
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Yahya M. Abu Haddash
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammad Akhlaquer Rahman
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Taif 21974, Saudi Arabia
| | - Irfan Ahamd
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Wasim Ahmad
- Department of Pharmacy, Mohammed Al-Mana College for Medical Sciences, Safaa, Dammam 34222, Saudi Arabia
| | - Mohammad Khalid
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia
| | - Shazia Usmani
- Herbal Bioactive Research Laboratory, Faculty of Pharmacy, Integral University, Dasauli, Kursi Road, Lucknow 226026, Uttar Pradesh, India
| | - Md Parwez Ahmad
- Department of Pharmacology, School of Medicine, Maldives National University, Male 20402, Maldives
| | - Umme Hani
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
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Shkoporov AN, Stockdale SR, Lavelle A, Kondova I, Heuston C, Upadrasta A, Khokhlova EV, van der Kamp I, Ouwerling B, Draper LA, Langermans JAM, Paul Ross R, Hill C. Viral biogeography of the mammalian gut and parenchymal organs. Nat Microbiol 2022; 7:1301-11. [PMID: 35918425 DOI: 10.1038/s41564-022-01178-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 06/21/2022] [Indexed: 01/13/2023]
Abstract
The mammalian virome has been linked to health and disease but our understanding of how it is structured along the longitudinal axis of the mammalian gastrointestinal tract (GIT) and other organs is limited. Here, we report a metagenomic analysis of the prokaryotic and eukaryotic virome occupying luminal and mucosa-associated habitats along the GIT, as well as parenchymal organs (liver, lung and spleen), in two representative mammalian species, the domestic pig and rhesus macaque (six animals per species). Luminal samples from the large intestine of both mammals harboured the highest loads and diversity of bacteriophages (class Caudoviricetes, family Microviridae and others). Mucosal samples contained much lower viral loads but a higher proportion of eukaryotic viruses (families Astroviridae, Caliciviridae, Parvoviridae). Parenchymal organs contained bacteriophages of gut origin, in addition to some eukaryotic viruses. Overall, GIT virome composition was specific to anatomical region and host species. Upper GIT and mucosa-specific viruses were greatly under-represented in distal colon samples (a proxy for faeces). Nonetheless, certain viral and phage species were ubiquitous in all samples from the oral cavity to the distal colon. The dataset and its accompanying methodology may provide an important resource for future work investigating the biogeography of the mammalian gut virome.
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Castañeda S, Paniz-Mondolfi A, Ramírez JD. Detangling the Crosstalk Between Ascaris, Trichuris and Gut Microbiota: What´s Next? Front Cell Infect Microbiol 2022; 12:852900. [PMID: 35694539 PMCID: PMC9174645 DOI: 10.3389/fcimb.2022.852900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/21/2022] [Indexed: 11/25/2022] Open
Abstract
Helminth infections remain a global public health issue, particularly in low- and middle-income countries, where roundworms from theTrichuris and Ascaris genera are most prevalent. These geohelminths not only impact human health but most importantly also affect animal well-being, in particular the swine industry. Host-helminth parasite interactions are complex and at the same time essential to understand the biology, dynamics and pathophysiology of these infections. Within these interactions, the immunomodulatory capacity of these helminths in the host has been extensively studied. Moreover, in recent years a growing interest on how helminths interact with the intestinal microbiota of the host has sparked, highlighting how this relationship plays an essential role in the establishment of initial infection, survival and persistence of the parasite, as well as in the development of chronic infections. Identifying the changes generated by these helminths on the composition and structure of the host intestinal microbiota constitutes a field of great scientific interest, since this can provide essential and actionable information for designing effective control and therapeutic strategies. Helminths like Trichuris and Ascaris are a focus of special importance due to their high prevalence, higher reinfection rates, resistance to anthelmintic therapy and unavailability of vaccines. Therefore, characterizing interactions between these helminths and the host intestinal microbiota represents an important approach to better understand the nature of this dynamic interface and explore novel therapeutic alternatives based on management of host microbiota. Given the extraordinary impact this may have from a biological, clinical, and epidemiological public health standpoint, this review aims to provide a comprehensive overview of current knowledge and future perspectives examining the parasite-microbiota interplay and its impact on host immunity.
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Affiliation(s)
- Sergio Castañeda
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Alberto Paniz-Mondolfi
- Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
- Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- *Correspondence: Juan David Ramírez, ;
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Lam S, Bai X, Shkoporov AN, Park H, Wu X, Lan P, Zuo T. Roles of the gut virome and mycobiome in faecal microbiota transplantation. Lancet Gastroenterol Hepatol 2022; 7:472-84. [DOI: 10.1016/s2468-1253(21)00303-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/02/2021] [Accepted: 08/10/2021] [Indexed: 12/16/2022]
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Li M, Wang C, Guo Q, Xu C, Xie Z, Tan J, Wu S, Wang P, Guo J, Fang Z, Zhu S, Duan L, Jiang X, Zhu H. More Positive or More Negative? Metagenomic Analysis Reveals Roles of Virome in Human Disease-Related Gut Microbiome. Front Cell Infect Microbiol 2022; 12:846063. [PMID: 35493727 PMCID: PMC9040671 DOI: 10.3389/fcimb.2022.846063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/07/2022] [Indexed: 12/04/2022] Open
Abstract
Viruses are increasingly viewed as vital components of the human gut microbiota, while their roles in health and diseases remain incompletely understood. Here, we first sequenced and analyzed the 37 metagenomic and 18 host metabolomic samples related to irritable bowel syndrome (IBS) and found that some shifted viruses between IBS and controls covaried with shifted bacteria and metabolites. Especially, phages that infect beneficial lactic acid bacteria depleted in IBS covaried with their hosts. We also retrieved public whole-genome metagenomic datasets of another four diseases (type 2 diabetes, Crohn’s disease, colorectal cancer, and liver cirrhosis), totaling 438 samples including IBS, and performed uniform analysis of the gut viruses in diseases. By constructing disease-specific co-occurrence networks, we found viruses actively interacting with bacteria, negatively correlated with possible dysbiosis-related and inflammation-mediating bacteria, increasing the connectivity between bacteria modules, and contributing to the robustness of the networks. Functional enrichment analysis showed that phages interact with bacteria through predation or expressing genes involved in the transporter and secretion system, metabolic enzymes, etc. We further built a viral database to facilitate systematic functional classification and explored the functions of viral genes on interacting with bacteria. Our analyses provided a systematic view of the gut virome in the disease-related microbial community and suggested possible positive roles of viruses concerning gut health.
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Affiliation(s)
- Mo Li
- Peking University-Tsinghua University-National Institute of Biological Sciences (PTN) Joint Ph.D. Program, School of Life Sciences, Peking University, Beijing, China
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Chunhui Wang
- Peking University-Tsinghua University-National Institute of Biological Sciences (PTN) Joint Ph.D. Program, School of Life Sciences, Peking University, Beijing, China
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Qian Guo
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Congmin Xu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Zhongjie Xie
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Jie Tan
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Shufang Wu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Peihong Wang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Jinyuan Guo
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
| | - Zhencheng Fang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Shiwei Zhu
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
| | - Liping Duan
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
| | - Xiaoqing Jiang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
- *Correspondence: Huaiqiu Zhu, ; Xiaoqing Jiang,
| | - Huaiqiu Zhu
- Peking University-Tsinghua University-National Institute of Biological Sciences (PTN) Joint Ph.D. Program, School of Life Sciences, Peking University, Beijing, China
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Beijing, China
- *Correspondence: Huaiqiu Zhu, ; Xiaoqing Jiang,
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Abstract
The gut microbiome has been implicated in the pathogenesis of inflammatory bowel disease (IBD). Studies suggest that the IBD gut microbiome is less diverse than that of the unaffected population, a phenomenon often referred to as dysbiosis. However, these studies have heavily focused on bacteria, while other intestinal microorganisms-fungi, protozoa, and bacteriophages-have been neglected. Of the nonbacterial microbes that have been studied in relation to IBD, most are thought to be pathogens, although there is evidence that some of these species may instead be harmless commensals. In this review, we discuss the nonbacterial gut microbiome of IBD, highlighting the current biases, limitations, and outstanding questions that can be addressed with high-throughput DNA sequencing methods. Further, we highlight the importance of studying nonbacterial microorganisms alongside bacteria for a comprehensive view of the whole IBD biome and to provide a more precise definition of dysbiosis in patients. With the rise in popularity of microbiome-altering therapies for the treatment of IBD, such as fecal microbiota transplantation, it is important that we address these knowledge gaps to ensure safe and effective treatment of patients.
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Affiliation(s)
- Gina L Guzzo
- Address correspondence to: Gina L. Guzzo, The University of Adelaide, Adelaide, South Australia, Australia ()
| | - Jane M Andrews
- Inflammatory Bowel Disease Service, Department of Gastroenterology and Hepatology, Royal Adelaide Hospital and School of Medicine, Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Laura S Weyrich
- School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia,Department of Anthropology and Huck Institutes of the Life Sciences, Pennsylvania State University, State College, PA, USA
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Warne RW, Dallas J. Microbiome mediation of animal life histories
via
metabolites and insulin‐like signalling. Biol Rev Camb Philos Soc 2022; 97:1118-1130. [DOI: 10.1111/brv.12833] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 12/15/2022]
Affiliation(s)
- Robin W. Warne
- School of Biological Sciences Southern Illinois University 1125 Lincoln Dr. Carbondale IL 62901‐6501 U.S.A
| | - Jason Dallas
- School of Biological Sciences Southern Illinois University 1125 Lincoln Dr. Carbondale IL 62901‐6501 U.S.A
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Abstract
Horizontal gene transfer (HGT) in the microbiome has profound consequences for human health and disease. The spread of antibiotic resistance genes, virulence, and pathogenicity determinants predominantly occurs by way of HGT. Evidence exists of extensive horizontal transfer in the human gut microbiome. Phage transduction is a type of HGT event in which a bacteriophage transfers non-viral DNA from one bacterial host cell to another. The abundance of tailed bacteriophages in the human gut suggests that transduction could act as a significant mode of HGT in the gut microbiome. Here we review in detail the known mechanisms of phage-mediated HGT, namely specialized and generalized transduction, lateral transduction, gene-transfer agents, and molecular piracy, as well as methods used to detect phage-mediated HGT, and discuss its potential implications for the human gut microbiome.
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Affiliation(s)
- Tatiana Borodovich
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Corresponding author. APC Microbiome Ireland, Biosciences Institute, University College Cork, Room 3.63, College Road, Cork, T12 YT20, Ireland.
| | - Andrey N Shkoporov
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - R Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Colin Hill
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
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41
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El Haddad L, Mendoza JF, Jobin C. Bacteriophage-mediated manipulations of microbiota in gastrointestinal diseases. Front Microbiol 2022; 13:1055427. [PMID: 36466675 PMCID: PMC9714271 DOI: 10.3389/fmicb.2022.1055427] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 10/24/2022] [Indexed: 11/18/2022] Open
Abstract
Although some gastrointestinal diseases could be managed using various antibiotics regimen, this therapeutic approach lacks precision and damages the microbiota. Emerging literature suggests that phages may play a key role in restoring the gut microbiome balance and controlling disease progression either with exogenous phage intervention or filtered fecal transplantation or even engineered phages. In this review, we will discuss the current phage applications aiming at controlling the bacterial population and preventing infection, inflammation, and cancer progression in the context of gastrointestinal diseases.
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Affiliation(s)
- Lynn El Haddad
- Department of Medicine, University of Florida, Gainesville, FL, United States.,Department of Molecular Genetics and Microbiology, Gainesville, FL, United States
| | - Jesus F Mendoza
- Department of Medicine, University of Florida, Gainesville, FL, United States
| | - Christian Jobin
- Department of Medicine, University of Florida, Gainesville, FL, United States.,Department of Anatomy and Cell Biology, University of Florida, Gainesville, FL, United States.,Department of Infectious Diseases and Immunology, University of Florida, Gainesville, FL, United States
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Abstract
Vitamin D receptor (VDR) deficiency is associated with cancer, infection, and chronic inflammation. Prior research has demonstrated VDR regulation of bacteria; however, little is known regarding VDR and viruses. We hypothesize that VDR deficiency impacts on the intestinal virome and viral-bacterial interactions. We specifically deleted VDR from intestinal epithelial cells (VDRΔIEC), Paneth cells (VDRΔPC), and myeloid cells (VDRΔLyz) in mice. Feces were collected for shotgun metagenomic sequencing and metabolite profiling. To test the functional changes, we evaluated pattern recognition receptors (PRRs) and analyzed microbial metabolites. Vibrio phages, Lactobacillus phages, and Escherichia coli typing phages were significantly enriched in all three conditional VDR-knockout mice. In the VDRΔLyz mice, the levels of eight more virus species (2 enriched, 6 depleted) were significantly changed. Altered virus species were primarily observed in female VDRΔLyz (2 enriched, 3 depleted) versus male VDRΔLyz (1 enriched, 1 depleted). Altered alpha and beta diversity (family to species) were found in VDRΔLyz. In VDRΔIEC mice, bovine viral diarrhea virus 1 was significantly enriched. A significant correlation between viral and bacterial alterations was found in conditional VDR knockout mice. There was a positive correlation between Vibrio phage JSF5 and Cutibacterium acnes in VDRΔPC and VDRΔLyz mice. Also, there were more altered viral species in female conditional VDR knockout mice. Notably, there were significant changes in PRRs: upregulated TLR3, TLR7, and NOD2 in VDRΔLyz mice and increased CLEC4L expression in VDRΔIEC and VDRΔPC mice. Furthermore, we identified metabolites related to virus infection: decreased glucose in VDRΔIEC mice, increased ribulose/xylulose and xylose in VDRΔLyz mice, and increased long-chain fatty acids in VDRΔIEC and VDRΔLyz female mice. Tissue-specific deletion of VDR changes the virome and functionally changes viral receptors, which leads to dysbiosis, metabolic dysfunction, and infection risk. This study helps to elucidate VDR regulating the virome in a tissue-specific and sex-specific manner.
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Affiliation(s)
- Jilei Zhang
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Yongguo Zhang
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Yinglin Xia
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA,CONTACT Yinglin Xia Department of Medicine, University of Illinois at Chicago, 840 S Wood Street, Room 734 CSB, MC716, Chicago, IL, 60612, USA
| | - Jun Sun
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA,Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, USA,Department of Medicine, University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, USA,Jesse Brown VA Medical Center Chicago, IL, USA,Jun Sun Division of Gastroenterology and Hepatology Department of Medicine, University of Illinois at Chicago, 840 S Wood Street, Room 704 CSB, MC716Chicago, IL, 60612, USA
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43
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Lu ZH, Zhou HW, Wu WK, Fu T, Yan M, He Z, Sun SW, Ji ZH, Shao ZJ. Alterations in the Composition of Intestinal DNA Virome in Patients With COVID-19. Front Cell Infect Microbiol 2021; 11:790422. [PMID: 34900762 PMCID: PMC8653907 DOI: 10.3389/fcimb.2021.790422] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/08/2021] [Indexed: 12/24/2022] Open
Abstract
Patients with Coronavirus Disease 2019 (COVID-19), due to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection mainly present with respiratory issues and related symptoms, in addition to significantly affected digestive system, especially the intestinal tract. While several studies have shown changes in the intestinal flora of patients with COVID-19, not much information is available on the gut virome of such patients. In this study, we used the viromescan software on the latest gut virome database to analyze the intestinal DNA virome composition of 15 patients with COVID-19 and investigated the characteristic alternations, particularly of the intestinal DNA virome to further explore the influence of COVID-19 on the human gut. The DNA viruses in the gut of patients with COVID-19 were mainly crAss-like phages (35.48%), Myoviridae (20.91%), and Siphoviridae (20.43%) family of viruses. Compared with healthy controls, the gut virome composition of patients with COVID-19 changed significantly, especially the crAss-like phages family, from the first time of hospital admission. A potential correlation is also indicated between the change in virome and bacteriome (like Tectiviridae and Bacteroidaceae). The abundance of the viral and bacterial population was also analyzed through continuous sample collection from the gut of patients hospitalized due to COVID-19. The gut virome is indeed affected by the SARS-CoV-2 infection, and along with gut bacteriome, it may play an important role in the disease progression of COVID-19. These conclusions would be helpful in understanding the gut-related response and contribute to the treatment and prevention strategies of COVID-19.
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Affiliation(s)
- Zhen-Hua Lu
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
| | - Hao-Wei Zhou
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
- School of Public Health, Baotou Medical College, Baotou, China
| | - Wei-Kang Wu
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, China
| | - Ting Fu
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
| | - Min Yan
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
| | - Zhen He
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
| | - Shi-Wei Sun
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
- School of Public Health, Baotou Medical College, Baotou, China
| | - Zhao-Hua Ji
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
| | - Zhong-jun Shao
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi’an, China
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Dey P, Chaudhuri SR, Efferth T, Pal S. The intestinal 3M (microbiota, metabolism, metabolome) zeitgeist - from fundamentals to future challenges. Free Radic Biol Med 2021; 176:265-285. [PMID: 34610364 DOI: 10.1016/j.freeradbiomed.2021.09.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/18/2021] [Accepted: 09/30/2021] [Indexed: 12/12/2022]
Abstract
The role of the intestine in human health and disease has historically been neglected and was mostly attributed to digestive and absorptive functions. In the past two decades, however, discoveries related to human nutrition and intestinal host-microbe reciprocal interaction have established the essential role of intestinal health in the pathogenesis of chronic diseases and the overall wellbeing. That transfer of gut microbiota could be a means of disease phenotype transfer has revolutionized our understanding of chronic disease pathogenesis. This narrative review highlights the major concepts related to intestinal microbiota, metabolism, and metabolome (3M) that have facilitated our fundamental understanding of the association between the intestine, and human health and disease. In line with increased interest of microbiota-dependent modulation of human health by dietary phytochemicals, we have also discussed the emerging concepts beyond the phytochemical bioactivities which emphasizes the integral role of microbial metabolites of parent phytochemicals at extraintestinal tissues. Finally, this review concludes with challenges and future prospects in defining the 3M interactions and has emphasized the fact that, it takes 'guts' to stay healthy.
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Affiliation(s)
- Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India.
| | - Saumya Ray Chaudhuri
- Council of Scientific and Industrial Research (CSIR), Institute of Microbial Technology, Chandigarh, India
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Sirshendu Pal
- Mukherjee Hospital, Mitra's Clinic and Nursing Home, Siliguri, West Bengal, India
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Louis P, Solvang M, Duncan SH, Walker AW, Mukhopadhya I. Dietary fibre complexity and its influence on functional groups of the human gut microbiota. Proc Nutr Soc 2021; 80:386-97. [DOI: 10.1017/s0029665121003694] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The aim of this review is to provide an overview of the complex interactions between dietary fibre and the resident microbial community in the human gut. The microbiota influences both health maintenance and disease development. In the large intestine, the microbiota plays a crucial role in the degradation of dietary carbohydrates that remain undigested in the upper gut (non-digestible carbohydrates or fibre). Dietary fibre contains a variety of different types of carbohydrates, and its breakdown is facilitated by many different microbial enzymes. Some microbes, termed generalists, are able to degrade a range of different carbohydrates, whereas others are more specialised. Furthermore, the physicochemical characteristics of dietary fibre, such as whether it enters the gut in soluble or insoluble form, also likely influence which microbes can degrade it. A complex nutritional network therefore exists comprising primary degraders able to attack complex fibre and cross feeders that benefit from fibre breakdown intermediates or fermentation products. This leads predominately to the generation of the short-chain fatty acids (SCFA) acetate, propionate and butyrate, which exert various effects on host physiology, including the supply of energy, influencing glucose and lipid metabolism and anti-carcinogenic and anti-inflammatory actions. In order to effectively modulate the gut microbiota through diet, there is a need to better understand the complex competitive and cooperative interactions between gut microbes in dietary fibre breakdown, as well as how gut environmental factors and the physicochemical state of fibre originating from different types of diets influence microbial metabolism and ecology in the gut.
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Baradaran Ghavami S, Pourhamzeh M, Farmani M, Keshavarz H, Shahrokh S, Shpichka A, Asadzadeh Aghdaei H, Hakemi-Vala M, Hossein-khannazer N, Timashev P, Vosough M. Cross-talk between immune system and microbiota in COVID-19. Expert Rev Gastroenterol Hepatol 2021; 15:1281-1294. [PMID: 34654347 PMCID: PMC8567289 DOI: 10.1080/17474124.2021.1991311] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/06/2021] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Human gut microbiota plays a crucial role in providing protective responses against pathogens, particularly by regulating immune system homeostasis. There is a reciprocal interaction between the gut and lung microbiota, called the gut-lung axis (GLA). Any alteration in the gut microbiota or their metabolites can cause immune dysregulation, which can impair the antiviral activity of the immune system against respiratory viruses such as severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2. AREAS COVERED This narrative review mainly outlines emerging data on the mechanisms underlying the interactions between the immune system and intestinal microbial dysbiosis, which is caused by an imbalance in the levels of essential metabolites. The authors will also discuss the role of probiotics in restoring the balance of the gut microbiota and modulation of cytokine storm. EXPERT OPINION Microbiota-derived signals regulate the immune system and protect different tissues during severe viral respiratory infections. The GLA's equilibration could help manage the mortality and morbidity rates associated with SARS-CoV-2 infection.
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Affiliation(s)
- Shaghayegh Baradaran Ghavami
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Mahsa Pourhamzeh
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Division of Neuroscience, Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Farmani
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Hediye Keshavarz
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Shabnam Shahrokh
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Anastasia Shpichka
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russia
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Mojdeh Hakemi-Vala
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nikoo Hossein-khannazer
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Thran, Iran
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russia
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Cookson TA. Using bacteriophages to characterize gut microbe interactions in situ. Med Hypotheses 2021; 158:110715. [PMID: 34753010 DOI: 10.1016/j.mehy.2021.110715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 10/17/2021] [Indexed: 11/25/2022]
Abstract
As bacteriophage therapy is being investigated more as an alternative to antibiotics, laboratories are isolating and characterizing the functions of bacteriophages. Additionally, with large variations between gut microbiome studies and inconsistencies in results, there is a need for discrete characterization of specific gut microbes in situ. This hypothesis paper describes a method to utilize bacteriophages in order to outline the functions of specific gut bacteria in existing biological systems with minimal disturbance. Further, the effects of specific microbe depletion on gut bacterial composition and host health can theoretically also be measured.
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Bruland T, Østvik AE, Sandvik AK, Hansen MD. Host-Viral Interactions in the Pathogenesis of Ulcerative Colitis. Int J Mol Sci 2021; 22:ijms221910851. [PMID: 34639191 PMCID: PMC8509287 DOI: 10.3390/ijms221910851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 12/12/2022] Open
Abstract
Ulcerative colitis is characterized by relapsing and remitting colonic mucosal inflammation. During the early stages of viral infection, innate immune defenses are activated, leading to the rapid release of cytokines and the subsequent initiation of downstream responses including inflammation. Previously, intestinal viruses were thought to be either detrimental or neutral to the host. However, persisting viruses may have a role as resident commensals and confer protective immunity during inflammation. On the other hand, the dysregulation of gut mucosal immune responses to viruses can trigger excessive, pathogenic inflammation. The purpose of this review is to discuss virus-induced innate immune responses that are at play in ulcerative colitis.
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Affiliation(s)
- Torunn Bruland
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; (T.B.); (A.E.Ø.); (A.K.S.)
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, 7030 Trondheim, Norway
| | - Ann Elisabet Østvik
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; (T.B.); (A.E.Ø.); (A.K.S.)
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, 7030 Trondheim, Norway
| | - Arne Kristian Sandvik
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; (T.B.); (A.E.Ø.); (A.K.S.)
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, 7030 Trondheim, Norway
- Centre of Molecular Inflammation Research, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Marianne Doré Hansen
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; (T.B.); (A.E.Ø.); (A.K.S.)
- Department of Medical Microbiology, Clinic of Laboratory Medicine, St. Olav’s University Hospital, 7030 Trondheim, Norway
- Correspondence:
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Waldum H, Martinsen TC. Chronic diseases: what about infections of virus and prions via the gut? Therap Adv Gastroenterol 2021; 14:17562848211028805. [PMID: 34603505 PMCID: PMC8481751 DOI: 10.1177/17562848211028805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Affiliation(s)
| | - Tom Christian Martinsen
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway,St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
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Wu S, Fang Z, Tan J, Li M, Wang C, Guo Q, Xu C, Jiang X, Zhu H. DeePhage: distinguishing virulent and temperate phage-derived sequences in metavirome data with a deep learning approach. Gigascience 2021; 10:giab056. [PMID: 34498685 PMCID: PMC8427542 DOI: 10.1093/gigascience/giab056] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Prokaryotic viruses referred to as phages can be divided into virulent and temperate phages. Distinguishing virulent and temperate phage-derived sequences in metavirome data is important for elucidating their different roles in interactions with bacterial hosts and regulation of microbial communities. However, there is no experimental or computational approach to effectively classify their sequences in culture-independent metavirome. We present a new computational method, DeePhage, which can directly and rapidly judge each read or contig as a virulent or temperate phage-derived fragment. FINDINGS DeePhage uses a "one-hot" encoding form to represent DNA sequences in detail. Sequence signatures are detected via a convolutional neural network to obtain valuable local features. The accuracy of DeePhage on 5-fold cross-validation reaches as high as 89%, nearly 10% and 30% higher than that of 2 similar tools, PhagePred and PHACTS. On real metavirome, DeePhage correctly predicts the highest proportion of contigs when using BLAST as annotation, without apparent preferences. Besides, DeePhage reduces running time vs PhagePred and PHACTS by 245 and 810 times, respectively, under the same computational configuration. By direct detection of the temperate viral fragments from metagenome and metavirome, we furthermore propose a new strategy to explore phage transformations in the microbial community. The ability to detect such transformations provides us a new insight into the potential treatment for human disease. CONCLUSIONS DeePhage is a novel tool developed to rapidly and efficiently identify 2 kinds of phage fragments especially for metagenomics analysis. DeePhage is freely available via http://cqb.pku.edu.cn/ZhuLab/DeePhage or https://github.com/shufangwu/DeePhage.
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Affiliation(s)
- Shufang Wu
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
| | - Zhencheng Fang
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
| | - Jie Tan
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
| | - Mo Li
- Peking University-Tsinghua University - National Institute of Biological Sciences (PTN) joint PhD program, School of Life Sciences, Peking University, Beijing 100871, Beijing, China
| | - Chunhui Wang
- Peking University-Tsinghua University - National Institute of Biological Sciences (PTN) joint PhD program, School of Life Sciences, Peking University, Beijing 100871, Beijing, China
| | - Qian Guo
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University,
GA 30332, Atlanta, USA
| | - Congmin Xu
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University,
GA 30332, Atlanta, USA
| | - Xiaoqing Jiang
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
| | - Huaiqiu Zhu
- State Key Laboratory for Turbulence and Complex Systems and Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing 100871, Beijing, China
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University,
GA 30332, Atlanta, USA
- Institute of Medical Technology, Peking University Health Science Center, Beijing 100191, Beijing, China
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