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Kopera K, Gromowski T, Wydmański W, Skonieczna-Żydecka K, Muszyńska A, Zielińska K, Wierzbicka-Woś A, Kaczmarczyk M, Kadaj-Lipka R, Cembrowska-Lech D, Januszkiewicz K, Kotfis K, Witkiewicz W, Nalewajska M, Feret W, Marlicz W, Łoniewski I, Łabaj PP, Rydzewska G, Kosciolek T. Gut microbiome dynamics and predictive value in hospitalized COVID-19 patients: a comparative analysis of shallow and deep shotgun sequencing. Front Microbiol 2024; 15:1342749. [PMID: 38962119 PMCID: PMC11219902 DOI: 10.3389/fmicb.2024.1342749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 05/20/2024] [Indexed: 07/05/2024] Open
Abstract
The COVID-19 pandemic caused by SARS-CoV-2 has led to a wide range of clinical presentations, with respiratory symptoms being common. However, emerging evidence suggests that the gastrointestinal (GI) tract is also affected, with angiotensin-converting enzyme 2, a key receptor for SARS-CoV-2, abundantly expressed in the ileum and colon. The virus has been detected in GI tissues and fecal samples, even in cases with negative results of the reverse transcription polymerase chain reaction in the respiratory tract. GI symptoms have been associated with an increased risk of ICU admission and mortality. The gut microbiome, a complex ecosystem of around 40 trillion bacteria, plays a crucial role in immunological and metabolic pathways. Dysbiosis of the gut microbiota, characterized by a loss of beneficial microbes and decreased microbial diversity, has been observed in COVID-19 patients, potentially contributing to disease severity. We conducted a comprehensive gut microbiome study in 204 hospitalized COVID-19 patients using both shallow and deep shotgun sequencing methods. We aimed to track microbiota composition changes induced by hospitalization, link these alterations to clinical procedures (antibiotics administration) and outcomes (ICU referral, survival), and assess the predictive potential of the gut microbiome for COVID-19 prognosis. Shallow shotgun sequencing was evaluated as a cost-effective diagnostic alternative for clinical settings. Our study demonstrated the diverse effects of various combinations of clinical parameters, microbiome profiles, and patient metadata on the precision of outcome prognostication in patients. It indicates that microbiological data possesses greater reliability in forecasting patient outcomes when contrasted with clinical data or metadata. Furthermore, we established that shallow shotgun sequencing presents a viable and cost-effective diagnostic alternative to deep sequencing within clinical environments.
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Affiliation(s)
- Katarzyna Kopera
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Tomasz Gromowski
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Witold Wydmański
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Faculty of Mathematics and Computer Science, Jagiellonian University, Kraków, Poland
| | | | - Agata Muszyńska
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Kinga Zielińska
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | | | - Mariusz Kaczmarczyk
- Sanprobi Sp. z o.o. Sp. k., Szczecin, Poland
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University, Szczecin, Poland
| | - Roland Kadaj-Lipka
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Danuta Cembrowska-Lech
- Department of Biochemical Science, Pomeranian Medical University, Szczecin, Poland
- Sanprobi Sp. z o.o. Sp. k., Szczecin, Poland
| | | | - Katarzyna Kotfis
- Department of Anesthesiology, Intensive Care and Pain Management, Pomeranian Medical University, Szczecin, Poland
| | | | | | - Wiktoria Feret
- Clinical Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, Szczecin, Poland
| | - Wojciech Marlicz
- Sanprobi Sp. z o.o. Sp. k., Szczecin, Poland
- Department of Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Igor Łoniewski
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Biochemical Science, Pomeranian Medical University, Szczecin, Poland
- Sanprobi Sp. z o.o. Sp. k., Szczecin, Poland
| | - Paweł P. Łabaj
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Grażyna Rydzewska
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Tomasz Kosciolek
- Małopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Data Science and Engineering, Silesian University of Technology, Gliwice, Poland
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AL Rubaye M, Janice J, Bjørnholt JV, Kacelnik O, Haldorsen BC, Nygaard RM, Hegstad J, Sundsfjord A, Hegstad K. The population structure of vancomycin-resistant and -susceptible Enterococcus faecium in a low-prevalence antimicrobial resistance setting is highly influenced by circulating global hospital-associated clones. Microb Genom 2023; 9:001160. [PMID: 38112685 PMCID: PMC10763505 DOI: 10.1099/mgen.0.001160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023] Open
Abstract
Between 2010 and 2015 the incidence of vancomycin-resistant Enterococcus faecium (VREfm) in Norway increased dramatically. Hence, we selected (1) a random subset of vancomycin-resistant enterococci (VRE) from the Norwegian Surveillance System for Communicable Diseases (2010-15; n=239) and (2) Norwegian vancomycin-susceptible E. faecium (VSEfm) bacteraemia isolates from the national surveillance system for antimicrobial resistance in microbes (2008 and 2014; n=261) for further analysis. Whole-genome sequences were collected for population structure, van gene cluster, mobile genetic element and virulome analysis, as well as antimicrobial susceptibility testing. Comparative genomic and phylogeographical analyses were performed with complete genomes of global E. faecium strains from the National Center for Biotechnology Information (NCBI) (1946-2022; n=272). All Norwegian VREfm and most of the VSEfm clustered with global hospital-associated sequence types (STs) in the phylogenetic subclade A1. The vanB2 subtype carried by chromosomal Tn1549 integrative conjugative elements was the dominant van type. The major Norwegian VREfm cluster types (CTs) were in accordance with concurrent European CTs. The dominant vanB-type VREfm CTs, ST192-CT3/26 and ST117-CT24, were mostly linked to a single hospital in Norway where the clones spread after independent chromosomal acquisition of Tn1549. The less prevalent vanA VRE were associated with more diverse CTs and vanA carrying Inc18 or RepA_N plasmids with toxin-antitoxin systems. Only 5 % of the Norwegian VRE were Enterococcus faecalis, all of which contained vanB. The Norwegian VREfm and VSEfm isolates harboured CT-specific virulence factor (VF) profiles supporting biofilm formation and colonization. The dominant VREfm CTs in general hosted more virulence determinants than VSEfm. The phylogenetic clade B VSEfm isolates (n=21), recently classified as Enterococcus lactis, harboured fewer VFs than E. faecium in general, and particularly subclade A1 isolates. In conclusion, the population structure of Norwegian E. faecium isolates mirrors the globally prevalent clones and particularly concurrent European VREfm/VSEfm CTs. Novel chromosomal acquisition of vanB2 on Tn1549 from the gut microbiota, however, formed a single major hospital VREfm outbreak. Dominant VREfm CTs contained more VFs than VSEfm.
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Affiliation(s)
- Mushtaq AL Rubaye
- Research group for Host–Microbe Interactions, Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Jessin Janice
- Research group for Host–Microbe Interactions, Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
- Present address: Section for development, Department of Microbiology, Clinic for Laboratory Medicine, Oslo University Hospital, Oslo, Norway
| | - Jørgen Vildershøj Bjørnholt
- Department of Clinical Microbiology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Oliver Kacelnik
- Department of Antibiotic Resistance and Infection Prevention, Norwegian Institute of Public Health, Oslo, Norway
| | - Bjørg C. Haldorsen
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - Randi M. Nygaard
- Department of Microbiology, Haukeland University Hospital, Bergen, Norway
| | - Joachim Hegstad
- Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - Arnfinn Sundsfjord
- Research group for Host–Microbe Interactions, Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - Kristin Hegstad
- Research group for Host–Microbe Interactions, Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - the Norwegian VRE study group
- Research group for Host–Microbe Interactions, Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
- Department of Clinical Microbiology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Antibiotic Resistance and Infection Prevention, Norwegian Institute of Public Health, Oslo, Norway
- Department of Microbiology, Haukeland University Hospital, Bergen, Norway
- Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
- Present address: Section for development, Department of Microbiology, Clinic for Laboratory Medicine, Oslo University Hospital, Oslo, Norway
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Zhang L, Gade V, Kirienko NV. Pathogen-induced dormancy in liquid limits gastrointestinal colonization of Caenorhabditis elegans. Virulence 2023; 14:2204004. [PMID: 37096826 PMCID: PMC10132241 DOI: 10.1080/21505594.2023.2204004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/10/2023] [Indexed: 04/26/2023] Open
Abstract
Colonization is generally considered a prerequisite for infection, but this event is context-dependent, as evidenced by the differing ability of the human pathogen Pseudomonas aeruginosa to efficiently colonize Caenorhabditis elegans on agar but not in liquid . In this study, we examined the impact of the environment, pathogen, host, and their interactions on host colonization. We found that the transition to a liquid environment reduces food uptake by about two-fold. Also expression of specific adhesins was significantly altered in liquid-based assays for P. aeruginosa, suggesting that it may be one factor driving diminished colonization. Unexpectedly, host immune pathways did not appear to play a significant role in decreased colonization in liquid. Although knocking down key immune pathways (e.g. daf-16 or zip-2), either alone or in combination, significantly reduced survival, the changes in colonization were very small. In spite of the limited bacterial accumulation in the liquid setting, pathogenic colonization was still required for the virulence of Enterococcus faecalis. In addition, we found that a pathogen-induced dormancy was displayed by C. elegans in liquid medium after pathogen exposure, resulting in cessation of pharyngeal pumping and a decrease in bacterial intake. We conclude that poor colonization in liquid is likely due to a combination of environmental factors and host-pathogen interactions. These results provide new insights into mechanisms for colonization in different models, enabling pathogenesis models to be fine-tuned to more accurately represent the conditions seen in human infections so that new tools for curbing bacterial and fungal infections can be developed.
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Affiliation(s)
- Liyang Zhang
- Department of BioSciences, Rice University, Houston, TX, USA
| | - Vyshnavi Gade
- Department of BioSciences, Rice University, Houston, TX, USA
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Lin PY, Chan SY, Stern A, Chen PH, Yang HC. Epidemiological profiles and pathogenicity of Vancomycin-resistant Enterococcus faecium clinical isolates in Taiwan. PeerJ 2023; 11:e14859. [PMID: 36855433 PMCID: PMC9968458 DOI: 10.7717/peerj.14859] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/16/2023] [Indexed: 02/25/2023] Open
Abstract
The emerging Vancomycin-resistant Enterococcus faecium (VRE-fm) is an opportunistic pathogen causing nosocomial infections. The identification of VRE-fm is important for successful prevention and control in healthcare settings. VRE-fm clinical isolates obtained from regional hospitals in northern Taiwan were characterized for antimicrobial susceptibility, virulence genes and biofilm production. Most isolates exhibited multi-drug resistance and carried the virulence genes, esp and hyl. While all isolates produce biofilms, those isolates that carried esp exhibited greater biofilm production. Isolates with different virulence gene carriages were examined for pathogenicity by using a nematode model, Caenorhabditis elegans, for determining microbial-host interactions. The survival assay showed that C. elegans was susceptible to Linezolid-resistant VRE-fm isolates with hyl. Combining the molecular epidemiological profiles regarding pathogenesis in C. elegans can serve as a guide for physicians in limiting opportunistic infections caused by VRE-fm.
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Affiliation(s)
- Pei-Yun Lin
- Department of Laboratory, Taipei City Hospital, Yang-Ming Branch, Taipei, Taiwan
| | - Shang-Yih Chan
- Department of Internal Medicine, Taipei City Hospital, Yang-Ming Branch, Taipei, Taiwan,Department of Exercise and Health Sciences, University of Taipei, Taipei, Taiwan,Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Arnold Stern
- Grossman School of Medicine, New York University, New York, USA
| | - Po-Hsiang Chen
- Research Center for Chinese Herbal Medicine, Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Hung-Chi Yang
- Department of Medical Laboratory Science and Biotechnology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
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Novais C, Almeida-Santos AC, Paula Pereira A, Rebelo A, Freitas AR, Peixe L. Alert for molecular data interpretation when using Enterococcus faecium reference strains reclassified as Enterococcus lactis. Gene 2023; 851:146951. [PMID: 36261083 DOI: 10.1016/j.gene.2022.146951] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/03/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Carla Novais
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Ana C Almeida-Santos
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Ana Paula Pereira
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Andreia Rebelo
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Abel Salazar Biomedical Sciences Institute (ICBAS), Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Technical-Scientific Area of Environmental Health, School of Health, Polytechnic Institute of Porto, Rua Dr. António Bernardino de Almeida 400, 420-072 Porto, Portugal
| | - Ana R Freitas
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; TOXRUN, Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Rua Central da Gandra, 1317-4585 Gandra, Portugal
| | - Luísa Peixe
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Department of Biological Sciences, REQUIMTE Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
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