1
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Yew WC, Young GR, Nelson A, Cheung W, Stewart CJ, Bridge SH, Granger C, Berrington JE, Embleton ND, Smith DL. The core phageome and its interrelationship with preterm human milk lipids. Cell Rep 2023; 42:113373. [PMID: 37967008 DOI: 10.1016/j.celrep.2023.113373] [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: 03/24/2023] [Revised: 08/09/2023] [Accepted: 10/18/2023] [Indexed: 11/17/2023] Open
Abstract
Phages and lipids in human milk (HM) may benefit preterm infant health by preventing gastrointestinal pathobiont overgrowth and microbiome modulation. Lipid association may promote vertical transmission of phages to the infant. Despite this, interrelationships between lipids and phages are poorly characterized in preterm HM. Shotgun metagenomics and untargeted lipidomics of phage and lipid profiles from 99 preterm HM samples reveals that phages are abundant and prevalent from the first week and throughout the first 100 days of lactation. Phage-host richness of preterm HM increases longitudinally. Core phage communities characterized by Staphylococcus- and Propionibacterium-infecting phages are significantly correlated with long-chain fatty acid abundances over lactational age. We report here a phage-lipid interaction in preterm HM, highlighting the potential importance of phage carriage in preterm HM. These results reveal possible strategies for phage carriage in HM and their importance in early-life microbiota development.
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Affiliation(s)
- Wen C Yew
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Gregory R Young
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; Hub for Biotechnology in the Built Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Andrew Nelson
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - William Cheung
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Christopher J Stewart
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Simon H Bridge
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Claire Granger
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; Neonatal Medicine, Newcastle upon Tyne Hospitals National Health Service Foundation Trust, Newcastle upon Tyne NE7 7DN, UK
| | - Janet E Berrington
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; Neonatal Medicine, Newcastle upon Tyne Hospitals National Health Service Foundation Trust, Newcastle upon Tyne NE7 7DN, UK
| | - Nicholas D Embleton
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Darren L Smith
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; Hub for Biotechnology in the Built Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
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2
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Wang H, Xu S, Li S, Su B, Sherrill-Mix S, Liang G. Virome in immunodeficiency: what we know currently. Chin Med J (Engl) 2023; 136:2647-2657. [PMID: 37914672 PMCID: PMC10684123 DOI: 10.1097/cm9.0000000000002899] [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: 07/30/2023] [Indexed: 11/03/2023] Open
Abstract
ABSTRACT Over the past few years, the human virome and its complex interactions with microbial communities and the immune system have gained recognition as a crucial factor in human health. Individuals with compromised immune function encounter distinctive challenges due to their heightened vulnerability to a diverse range of infectious diseases. This review aims to comprehensively explore and analyze the growing evidence regarding the role of the virome in immunocompromised disease status. By surveying the latest literature, we present a detailed overview of virome alterations observed in various immunodeficiency conditions. We then delve into the influence and mechanisms of these virome changes on the pathogenesis of specific diseases in immunocompromised individuals. Furthermore, this review explores the clinical relevance of virome studies in the context of immunodeficiency, highlighting the potential diagnostic and therapeutic gains from a better understanding of virome contributions to disease manifestations.
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Affiliation(s)
- Hu Wang
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Siqi Xu
- Center for Infectious Disease Research, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Shuang Li
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Bin Su
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Scott Sherrill-Mix
- Department of Microbiology & Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
| | - Guanxiang Liang
- Center for Infectious Disease Research, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
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3
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Spreckels JE, Fernández-Pato A, Kruk M, Kurilshikov A, Garmaeva S, Sinha T, Ghosh H, Harmsen H, Fu J, Gacesa R, Zhernakova A. Analysis of microbial composition and sharing in low-biomass human milk samples: a comparison of DNA isolation and sequencing techniques. ISME COMMUNICATIONS 2023; 3:116. [PMID: 37945978 PMCID: PMC10636111 DOI: 10.1038/s43705-023-00325-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 11/12/2023]
Abstract
Human milk microbiome studies are currently hindered by low milk bacterial/human cell ratios and often rely on 16S rRNA gene sequencing, which limits downstream analyses. Here, we aimed to find a method to study milk bacteria and assess bacterial sharing between maternal and infant microbiota. We tested four DNA isolation methods, two bacterial enrichment methods and three sequencing methods on mock communities, milk samples and negative controls. Of the four DNA isolation kits, the DNeasy PowerSoil Pro (PS) and MagMAX Total Nucleic Acid Isolation (MX) kits provided consistent 16S rRNA gene sequencing results with low contamination. Neither enrichment method substantially decreased the human metagenomic sequencing read-depth. Long-read 16S-ITS-23S rRNA gene sequencing biased the mock community composition but provided consistent results for milk samples, with little contamination. In contrast to 16S rRNA gene sequencing, 16S-ITS-23S rRNA gene sequencing of milk, infant oral, infant faecal and maternal faecal DNA from 14 mother-infant pairs provided sufficient resolution to detect significantly more frequent sharing of bacteria between related pairs compared to unrelated pairs. In conclusion, PS or MX kit-DNA isolation followed by 16S rRNA gene sequencing reliably characterises human milk microbiota, and 16S-ITS-23S rRNA gene sequencing enables studies of bacterial transmission in low-biomass samples.
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Grants
- This study was supported by funds from the Dutch Research Council (NWO-VIDI grant 016.178.056 to A.Z., NWO-VICI grant VI.C.202.022 to J.F., NWO gravitation grant Exposome-NL 024.004.017 to A.K. and A.Z., NWO gravitation grant Netherlands Organ-on-Chip Initiative 024.003.001 to J.F.), the Dutch Heart Foundation (IN-CONTROL CVON2018-27 to J.F.), the European Research Council (ERC starting grant 715772 to A.Z., ERC consolidator grant 101001678 to J.F.), an EASI-Genomics grant (PID7780 to T.S. and A.Z.), the De-Cock Hadders foundation (2021-57 to J.E.S., 2021-08 to S.G.), the International Society for Research in Human Milk and Lactation (ISRHML, personal grant to J.E.S), the Winston Bakker Fonds (WB-08, granted to T.S.), and the European Union’s Horizon 2020 research innovation program (824110). S.G. and T.S. hold scholarships from the Graduate School of Medical Sciences and the Junior Scientific Masterclass of the University of Groningen, the Netherlands, respectively. The Lifelines NEXT cohort study received funds from the University Medical Center Groningen Hereditary Metabolic Diseases Fund, Health~Holland (Top Sector Life Sciences and Health), the Ubbo Emmius Foundation, the European Union, the Northern Netherlands Alliance (SNN), the provinces of Friesland and Groningen, the municipality of Groningen, Philips, and the Société des Produits Nestlé.
- De-Cock Hadders foundation (2021-57) International Society of Research in Human Milk and Lactation (ISRHML personal grant)
- Dutch Research Council (NWO gravitation grant Exposome-NL 024.004.017)
- De-Cock Hadders foundation (2021-08) University of Groningen Graduate School of Medical Sciences (scholarship)
- EASI-Genomics (grant PID7780) Winston Bakker Fonds (WB-08) University of Groningen Junior Scientific Masterclass (scholarship)
- Dutch Research Council (NWO-VICI grant VI.C.202.022) Dutch Research Council (NWO gravitation grant Netherlands Organ-on-Chip Initiative 024.003.001) European Research Council (ERC consolidator grant 101001678)
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Affiliation(s)
- Johanne E Spreckels
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Asier Fernández-Pato
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Marloes Kruk
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Alexander Kurilshikov
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Sanzhima Garmaeva
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Trishla Sinha
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Hiren Ghosh
- Medical Center - University of Freiburg, Institute for Infection Prevention and Hospital Epidemiology, Freiburg, Germany
| | - Hermie Harmsen
- Department of Medical Microbiology, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Jingyuan Fu
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
- Department of Pediatrics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Ranko Gacesa
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | - Alexandra Zhernakova
- Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands.
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4
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Francese R, Peila C, Donalisio M, Lamberti C, Cirrincione S, Colombi N, Tonetto P, Cavallarin L, Bertino E, Moro GE, Coscia A, Lembo D. Viruses and Human Milk: Transmission or Protection? Adv Nutr 2023; 14:1389-1415. [PMID: 37604306 PMCID: PMC10721544 DOI: 10.1016/j.advnut.2023.08.007] [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: 05/06/2023] [Revised: 07/14/2023] [Accepted: 08/15/2023] [Indexed: 08/23/2023] Open
Abstract
Human milk (HM) is considered the best source of nutrition for infant growth and health. This nourishment is unique and changes constantly during lactation to adapt to the physiological needs of the developing infant. It is also recognized as a potential route of transmission of some viral pathogens although the presence of a virus in HM rarely leads to a disease in an infant. This intriguing paradox can be explained by considering the intrinsic antiviral properties of HM. In this comprehensive and schematically presented review, we have described what viruses have been detected in HM so far and what their potential transmission risk through breastfeeding is. We have provided a description of all the antiviral compounds of HM, along with an analysis of their demonstrated and hypothesized mechanisms of action. Finally, we have also analyzed the impact of HM pasteurization and storage methods on the detection and transmission of viruses, and on the antiviral compounds of HM. We have highlighted that there is currently a deep knowledge on the potential transmission of viral pathogens through breastfeeding and on the antiviral properties of HM. The current evidence suggests that, in most cases, it is unnecessarily to deprive an infant of this high-quality nourishment and that the continuation of breastfeeding is in the best interest of the infant and the mother.
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Affiliation(s)
- Rachele Francese
- Department of Clinical and Biological Sciences, Laboratory of Molecular Virology and Antiviral Research, University of Turin, Orbassano (TO), Italy
| | - Chiara Peila
- Department of Public Health and Pediatrics, Neonatal Intensive Care Unit, University of Turin, Turin, Italy
| | - Manuela Donalisio
- Department of Clinical and Biological Sciences, Laboratory of Molecular Virology and Antiviral Research, University of Turin, Orbassano (TO), Italy
| | - Cristina Lamberti
- Institute of the Science of Food Production - National Research Council, Grugliasco, TO, Italy
| | - Simona Cirrincione
- Institute of the Science of Food Production - National Research Council, Grugliasco, TO, Italy
| | - Nicoletta Colombi
- Biblioteca Federata di Medicina "Ferdinando Rossi", University of Turin, Turin, Italy
| | - Paola Tonetto
- Department of Public Health and Pediatrics, Neonatal Intensive Care Unit, University of Turin, Turin, Italy
| | - Laura Cavallarin
- Institute of the Science of Food Production - National Research Council, Grugliasco, TO, Italy
| | - Enrico Bertino
- Department of Public Health and Pediatrics, Neonatal Intensive Care Unit, University of Turin, Turin, Italy
| | - Guido E Moro
- Italian Association of Human Milk Banks (AIBLUD), Milan, Italy.
| | - Alessandra Coscia
- Department of Public Health and Pediatrics, Neonatal Intensive Care Unit, University of Turin, Turin, Italy.
| | - David Lembo
- Department of Clinical and Biological Sciences, Laboratory of Molecular Virology and Antiviral Research, University of Turin, Orbassano (TO), Italy.
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5
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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: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [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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6
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Kaczorowska J, Cicilionytė A, Wahdaty AF, Deijs M, Jebbink MF, Bakker M, van der Hoek L. Transmission of anelloviruses to HIV-1 infected children. Front Microbiol 2022; 13:951040. [PMID: 36187966 PMCID: PMC9523257 DOI: 10.3389/fmicb.2022.951040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Anelloviruses (AVs) are widespread in the population and infect humans at the early stage of life. The mode of transmission of AVs is still unknown, however, mother-to-child transmission, e.g., via breastfeeding, is one of the likely infection routes. To determine whether the mother-to-child transmission of AVs may still occur despite the absence of natural birth and breastfeeding, 29 serum samples from five HIV-1-positive mother and child pairs were Illumina-sequenced. The Illumina reads were mapped to an AV lineage database “Anellometrix” containing 502 distinct ORF1 sequences. Although the majority of lineages from the mother were not shared with the child, the mother and child anellomes did display a significant similarity. These findings suggest that AVs may be transmitted from mothers to their children via different routes than delivery or breastfeeding.
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Affiliation(s)
- Joanna Kaczorowska
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Aurelija Cicilionytė
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Annet Firouzi Wahdaty
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Martin Deijs
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Maarten F. Jebbink
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Margreet Bakker
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Lia van der Hoek
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
- *Correspondence: Lia van der Hoek,
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7
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Selma-Royo M, Calvo-Lerma J, Bäuerl C, Esteban-Torres M, Cabrera-Rubio R, Collado MC. Human milk microbiota: what did we learn in the last 20 years? MICROBIOME RESEARCH REPORTS 2022; 1:19. [PMID: 38046359 PMCID: PMC10688795 DOI: 10.20517/mrr.2022.05] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/06/2022] [Accepted: 04/29/2022] [Indexed: 12/05/2023]
Abstract
Human milk (HM) is the gold standard for infant nutrition during the first months of life. Beyond its nutritional components, its complex bioactive composition includes microorganisms, their metabolites, and oligosaccharides, which also contribute to gut colonization and immune system maturation. There is growing evidence of the beneficial effects of bacteria present in HM. However, current research presents limited data on the presence and functions of other organisms. The potential biological impacts on maternal and infant health outcomes, the factors contributing to milk microbes' variations, and the potential functions in the infant's gut remain unclear. This review provides a global overview of milk microbiota, what the actual knowledge is, and what the gaps and challenges are for the next years.
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Affiliation(s)
| | | | | | | | | | - Maria Carmen Collado
- Department of Biotechnology, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
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8
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Liang G, Gao H, Bushman FD. The pediatric virome in health and disease. Cell Host Microbe 2022; 30:639-649. [PMID: 35550667 DOI: 10.1016/j.chom.2022.04.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/22/2022] [Accepted: 04/11/2022] [Indexed: 11/03/2022]
Abstract
Associations between the global microbiome and diseases of children have been studied extensively; however, research on the viral component of the microbiome, the "virome," is less advanced. The analysis of disease associations with the virome is often technically challenging, requiring a close examination of the "virome dark matter." The gut is a particularly rich source of viral particles, and now multiple studies have reported intriguing associations of the virome with childhood diseases. For example, virome studies have elucidated new lineages of gut viruses that appear to be tightly associated with childhood diarrhea, and consistent patterns are starting to emerge from virome studies in pediatric IBD. In this review, we summarize the methods for studying the virome and recent research on the nature of the virome during childhood, focusing on specific studies of the intestinal virome in pediatric diseases.
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Affiliation(s)
- Guanxiang Liang
- Center for Infectious Disease Research, School of Medicine, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China.
| | - Hongyan Gao
- Center for Infectious Disease Research, School of Medicine, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Frederic D Bushman
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6076, USA.
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9
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Maqsood R, Skidmore PT, Holland LA, Au JL, Khan AK, Wu LI, Ma N, Begnel ER, Chohan BH, Adhiambo J, John-Stewart G, Kiarie J, Kinuthia J, Chung MH, Richardson BA, Slyker J, Lehman DA, Lim ES. Dynamic Changes in Breast Milk Microbiome in the Early Postpartum Period of Kenyan Women Living with HIV Are Influenced by Antibiotics but Not Antiretrovirals. Microbiol Spectr 2022; 10:e0208021. [PMID: 35384692 PMCID: PMC9045247 DOI: 10.1128/spectrum.02080-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 03/11/2022] [Indexed: 11/26/2022] Open
Abstract
Shared bacteria between maternal breast milk and infant stool, infers that transfer of maternal breast milk microbiota through breastfeeding seeds the establishment of the infant gut microbiome. Whether combination antiretroviral therapy (cART) impacts the breast milk microbiota in women living with HIV is unknown. Since current standard of care for people living with HIV includes cART, it has been difficult to evaluate the impact of cART on the microbiome. Here, we performed a next-generation sequencing retrospective study from pre-ART era clinical trials in Nairobi, Kenya (between 2003-2006 before cART was standard of care) that tested the effects of ART regimens to prevent mother-to-child HIV transmission. Kenyan women living with HIV were randomized to receive either no ART during breastfeeding (n = 24) or cART (zidovudine, nevirapine, lamivudine; n = 25) postpartum. Using linear mixed-effects models, we found that alpha diversity and beta diversity of the breast milk bacterial microbiome changed significantly over time during the first 4 weeks postpartum (alpha diversity P < 0.0007; beta diversity P = 0.005). There was no statistically significant difference in diversity, richness, and composition of the bacterial microbiome between cART-exposed and cART-unexposed women. In contrast, antibiotic use influenced the change of beta diversity of the bacterial microbiome over time. Our results indicate that while early postpartum time predicts breast milk microbiome composition, cART does not substantially alter the breast milk microbiota in women living with HIV. Hence, cART has minimal impact on the breast milk microbiome compared to antibiotics use. IMPORTANCE Breastfeeding has important benefits for long-term infant health, particularly in establishing and shaping the infant gut microbiome. However, the impact of combination antiretroviral therapy exposure and antibiotics on the breast milk microbiome in women living with HIV is not known. Here, in a longitudinal retrospective study of Kenyan women living with HIV from the pre-antiretroviral therapy era, we found that antibiotic use significantly influenced breast milk microbiome beta diversity, but antiretrovirals exposure did not substantially alter the microbiome. Given the protective role of breastfeeding in maternal-infant health, these findings fill an important knowledge gap of the impact of combination antiretroviral therapy on the microbiome of women living with HIV.
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Affiliation(s)
- Rabia Maqsood
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
| | - Peter T. Skidmore
- College of Health Solutions, Arizona State University, Tempe, Arizona, USA
| | - LaRinda A. Holland
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
| | - Joshua L. Au
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
- College of Health Solutions, Arizona State University, Tempe, Arizona, USA
| | - Adam K. Khan
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
- School of Life Sciences, Arizona State University, Tempe, Arizona, USA
| | - Lily I. Wu
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
| | - Ningxin Ma
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Department of Biostatistics, University of Washington, Seattle, Washington, USA
| | - Emily R. Begnel
- Department of Global Health, University of Washington, Seattle, Washington, USA
| | - Bhavna H. Chohan
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Kenya Medical Research Institute, Nairobi, Kenya
| | - Judith Adhiambo
- Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya
| | - Grace John-Stewart
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
- Department of Medicine, University of Washington, Seattle, Washington, USA
- Department of Pediatrics, University of Washington, Seattle, Washington, USA
| | - James Kiarie
- Department of Research and Programs, Kenyatta National Hospital, Nairobi, Kenya
| | - John Kinuthia
- Department of Research and Programs, Kenyatta National Hospital, Nairobi, Kenya
| | - Michael H. Chung
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Barbra A. Richardson
- Department of Biostatistics, University of Washington, Seattle, Washington, USA
- Department of Global Health, University of Washington, Seattle, Washington, USA
| | - Jennifer Slyker
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - Dara A. Lehman
- Department of Global Health, University of Washington, Seattle, Washington, USA
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Efrem S. Lim
- Center for Fundamental and Applied Microbiomics, Biodesign Institute, Arizona State University, Tempe, Arizona, USA
- College of Health Solutions, Arizona State University, Tempe, Arizona, USA
- School of Life Sciences, Arizona State University, Tempe, Arizona, USA
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10
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Early-Life Colonization by Anelloviruses in Infants. Viruses 2022; 14:v14050865. [PMID: 35632607 PMCID: PMC9146212 DOI: 10.3390/v14050865] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/14/2022] [Accepted: 04/19/2022] [Indexed: 12/12/2022] Open
Abstract
Anelloviruses (AVs) are found in the vast majority of the human population and are most probably part of a healthy virome. These viruses infect humans in the early stage of life, however, the characteristics of the first colonizing AVs are still unknown. We screened a collection of 107 blood samples from children between 0.4 and 64.8 months of age for the presence of three AV genera: the Alpha-, Beta- and Gammatorquevirus. The youngest child that was positive for AV was 1.2 months old, and a peak in prevalence (100% of samples positive) was reached between the twelfth and eighteenth months of life. Intriguingly, the beta- and gammatorqueviruses were detected most at the early stage of life (up to 12 months), whereas alphatorqueviruses, the most common AVs in adults, increased in prevalence in children older than 12 months. To determine whether that order of colonization may be related to oral transmission and unequal presence of AV genera in breast milk, we examined 63 breast milk samples. Thirty-two percent of the breast milk samples were positive in a qPCR detecting beta- and gammatorqueviruses, while alphatorqueviruses were detected in 10% of the samples, and this difference was significant (p = 0.00654). In conclusion, we show that beta- and gammatorqueviruses colonize humans in the first months of life and that breastfeeding could play a role in AV transmission.
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Duale A, Singh P, Al Khodor S. Breast Milk: A Meal Worth Having. Front Nutr 2022; 8:800927. [PMID: 35155521 PMCID: PMC8826470 DOI: 10.3389/fnut.2021.800927] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 12/20/2021] [Indexed: 12/11/2022] Open
Abstract
A mother is gifted with breast milk, the natural source of nutrition for her infant. In addition to the wealth of macro and micro-nutrients, human milk also contains many microorganisms, few of which originate from the mother, while others are acquired from the mouth of the infant and the surroundings. Among these microbes, the most commonly residing bacteria are Staphylococci, Streptococci, Lactobacilli and Bifidobacteria. These microorganisms initiate and help the development of the milk microbiota as well as the microbiota of the gastrointestinal tract in infants, and contribute to developing immune regulatory factors such as cytokines, growth factors, lactoferrin among others. These factors play an important role in reducing the risk of developing chronic diseases like type 2 diabetes, asthma and others later in life. In this review, we will summarize the known benefits of breastfeeding and highlight the role of the breast milk microbiota and its cross-talk with the immune system in breastfed babies during the early years of life.
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Affiliation(s)
- Anoud Duale
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
| | - Parul Singh
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Ar-Rayyan, Qatar
| | - Souhaila Al Khodor
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
- *Correspondence: Souhaila Al Khodor
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Dinleyici M, Pérez-Brocal V, Arslanoglu S, Aydemir O, Sevuk Ozumut S, Tekin N, Vandenplas Y, Moya A, Dinleyici EC. Human Milk Virome Analysis: Changing Pattern Regarding Mode of Delivery, Birth Weight, and Lactational Stage. Nutrients 2021; 13:nu13061779. [PMID: 34071061 PMCID: PMC8224552 DOI: 10.3390/nu13061779] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 02/07/2023] Open
Abstract
The human milk (HM) microbiota is a significant source of microbes that colonize the infant gut early in life. The aim of this study was to compare transient and mature HM virome compositions, and also possible changes related to the mode of delivery, gestational age, and weight for gestational age. Overall, in the 81 samples analyzed in this study, reads matching bacteriophages accounted for 79.5% (mainly Podoviridae, Myoviridae, and Siphoviridae) of the reads, far more abundant than those classified as eukaryotic viruses (20.5%, mainly Herpesviridae). In the whole study group of transient human milk, the most abundant families were Podoviridae and Myoviridae. In mature human milk, Podoviridae decreased, and Siphoviridae became the most abundant family. Bacteriophages were predominant in transient HM samples (98.4% in the normal spontaneous vaginal delivery group, 92.1% in the premature group, 89.9% in the C-section group, and 68.3% in the large for gestational age group), except in the small for gestational age group (only ~45% bacteriophages in transient HM samples). Bacteriophages were also predominant in mature HM; however, they were lower in mature HM than in transient HM (71.7% in the normal spontaneous vaginal delivery group, 60.8% in the C-section group, 56% in the premature group, and 80.6% in the large for gestational age group). Bacteriophages still represented 45% of mature HM in the small for gestational age group. In the transient HM of the normal spontaneous vaginal delivery group, the most abundant family was Podoviridae; however, in mature HM, Podoviridae became less prominent than Siphoviridae. Myoviridae was predominant in both transient and mature HM in the premature group (all C-section), and Podoviridae was predominant in transient HM, while Siphoviridae and Herpesviridae were predominant in mature HM. In the small for gestational age group, the most abundant taxa in transient HM were the family Herpesviridae and a species of the genus Roseolovirus. Bacteriophages constituted the major component of the HM virome, and we showed changes regarding the lactation period, preterm birth, delivery mode, and birth weight. Early in life, the HM virome may influence the composition of an infant's gut microbiome, which could have short- and long-term health implications. Further longitudinal mother-newborn pair studies are required to understand the effects of these variations on the composition of the HM and the infant gut virome.
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Affiliation(s)
- Meltem Dinleyici
- Department of Social Pediatrics, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir 26040, Turkey;
| | - Vicente Pérez-Brocal
- Genomics and Health Area, Foundation for the Promotion of Sanitary and Biomedical Research of Valencia Region (FISABIO-Public Health), 46020 Valencia, Spain; (V.P.-B.); (A.M.)
- CIBER in Epidemiology and Public Health (CIBEResp), 28029 Madrid, Spain
| | - Sertac Arslanoglu
- Division of Neonatology, Faculty of Medicine, Medeniyet University, Istanbul 34720, Turkey; (S.A.); (S.S.O.)
| | - Ozge Aydemir
- Division of Neonatology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir 26040, Turkey; (O.A.); (N.T.)
| | - Sibel Sevuk Ozumut
- Division of Neonatology, Faculty of Medicine, Medeniyet University, Istanbul 34720, Turkey; (S.A.); (S.S.O.)
| | - Neslihan Tekin
- Division of Neonatology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir 26040, Turkey; (O.A.); (N.T.)
| | - Yvan Vandenplas
- Department of Pediatrics, KidZ Health Castle, UZ Brussel, Vrije Unversiteit Brussel, 1050 Brussels, Belgium;
| | - Andrés Moya
- Genomics and Health Area, Foundation for the Promotion of Sanitary and Biomedical Research of Valencia Region (FISABIO-Public Health), 46020 Valencia, Spain; (V.P.-B.); (A.M.)
- CIBER in Epidemiology and Public Health (CIBEResp), 28029 Madrid, Spain
- Institute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC-UVEG), 46010 Valencia, Spain
| | - Ener Cagri Dinleyici
- Department of Pediatrics, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir 26040, Turkey
- Correspondence: ; Tel.: +90-222-239-29-79 (ext. 2722)
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