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Lordan C, Roche AK, Delsing D, Nauta A, Groeneveld A, MacSharry J, Cotter PD, van Sinderen D. Linking human milk oligosaccharide metabolism and early life gut microbiota: bifidobacteria and beyond. Microbiol Mol Biol Rev 2024; 88:e0009423. [PMID: 38206006 PMCID: PMC10966949 DOI: 10.1128/mmbr.00094-23] [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] [Indexed: 01/12/2024] Open
Abstract
SUMMARYHuman milk oligosaccharides (HMOs) are complex, multi-functional glycans present in human breast milk. They represent an intricate mix of heterogeneous structures which reach the infant intestine in an intact form as they resist gastrointestinal digestion. Therefore, they confer a multitude of benefits, directly and/or indirectly, to the developing neonate. Certain bifidobacterial species, being among the earliest gut colonizers of breast-fed infants, have an adapted functional capacity to metabolize various HMO structures. This ability is typically observed in infant-associated bifidobacteria, as opposed to bifidobacteria associated with a mature microbiota. In recent years, information has been gleaned regarding how these infant-associated bifidobacteria as well as certain other taxa are able to assimilate HMOs, including the mechanistic strategies enabling their acquisition and consumption. Additionally, complex metabolic interactions occur between microbes facilitated by HMOs, including the utilization of breakdown products released from HMO degradation. Interest in HMO-mediated changes in microbial composition and function has been the focal point of numerous studies, in recent times fueled by the availability of individual biosynthetic HMOs, some of which are now commonly included in infant formula. In this review, we outline the main HMO assimilatory and catabolic strategies employed by infant-associated bifidobacteria, discuss other taxa that exhibit breast milk glycan degradation capacity, and cover HMO-supported cross-feeding interactions and related metabolites that have been described thus far.
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Affiliation(s)
- Cathy Lordan
- Teagasc Food Research Centre, Fermoy, Co Cork, Ireland
| | - Aoife K. Roche
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | | | - Arjen Nauta
- FrieslandCampina, Amersfoort, the Netherlands
| | | | - John MacSharry
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Paul D. Cotter
- Teagasc Food Research Centre, Fermoy, Co Cork, Ireland
- APC Microbiome Ireland, Cork, Ireland
| | - Douwe van Sinderen
- APC Microbiome Ireland, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
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Candeliere F, Sola L, Raimondi S, Rossi M, Amaretti A. Good and bad dispositions between archaea and bacteria in the human gut: New insights from metagenomic survey and co-occurrence analysis. Synth Syst Biotechnol 2024; 9:88-98. [PMID: 38292760 PMCID: PMC10824687 DOI: 10.1016/j.synbio.2023.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 12/21/2023] [Accepted: 12/29/2023] [Indexed: 02/01/2024] Open
Abstract
Archaea are an understudied component of the human microbiome. In this study, the gut archaeome and bacteriome of 60 healthy adults from different region were analyzed by whole-genome shotgun sequencing. Archaea were ubiquitously found in a wide range of abundances, reaching up to 7.2 %. The dominant archaeal phylum was Methanobacteriota, specifically the family Methanobacteriaceae, encompassing more than 50 % of Archaea in 50 samples. The previously underestimated Thermoplasmatota, mostly composed of Methanomassiliicoccaceae, dominated in 10 subjects (>50 %) and was present in all others except one. Halobacteriota, the sole other archaeal phylum, occurred in negligible concentration, except for two samples (4.6-4.8 %). This finding confirmed that the human gut archaeome is primarily composed of methanogenic organisms and among the known methanogenic pathway: i) hydrogenotrophic reduction of CO2 is the predominant, being the genus Methanobrevibacter and the species Methanobrevibacter smithii the most abundant in the majority of the samples; ii) the second pathway, that involved Methanomassiliicoccales, was the hydrogenotrophic reduction of methyl-compounds; iii) dismutation of acetate or methyl-compounds seemed to be absent. Co-occurrence analysis allowed to unravel correlations between Archaea and Bacteria that shapes the overall structure of the microbial community, allowing to depict a clearer picture of the human gut archaeome.
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Affiliation(s)
- Francesco Candeliere
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Laura Sola
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Stefano Raimondi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Biogest-Siteia, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Maddalena Rossi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Biogest-Siteia, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Alberto Amaretti
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Biogest-Siteia, University of Modena and Reggio Emilia, 41125 Modena, Italy
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Aminu S, Ascandari A, Laamarti M, Safdi NEH, El Allali A, Daoud R. Exploring microbial worlds: a review of whole genome sequencing and its application in characterizing the microbial communities. Crit Rev Microbiol 2023:1-25. [PMID: 38006569 DOI: 10.1080/1040841x.2023.2282447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 11/06/2023] [Indexed: 11/27/2023]
Abstract
The classical microbiology techniques have inherent limitations in unraveling the complexity of microbial communities, necessitating the pivotal role of sequencing in studying the diversity of microbial communities. Whole genome sequencing (WGS) enables researchers to uncover the metabolic capabilities of the microbial community, providing valuable insights into the microbiome. Herein, we present an overview of the rapid advancements achieved thus far in the use of WGS in microbiome research. There was an upsurge in publications, particularly in 2021 and 2022 with the United States, China, and India leading the metagenomics research landscape. The Illumina platform has emerged as the widely adopted sequencing technology, whereas a significant focus of metagenomics has been on understanding the relationship between the gut microbiome and human health where distinct bacterial species have been linked to various diseases. Additionally, studies have explored the impact of human activities on microbial communities, including the potential spread of pathogenic bacteria and antimicrobial resistance genes in different ecosystems. Furthermore, WGS is used in investigating the microbiome of various animal species and plant tissues such as the rhizosphere microbiome. Overall, this review reflects the importance of WGS in metagenomics studies and underscores its remarkable power in illuminating the variety and intricacy of the microbiome in different environments.
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Affiliation(s)
- Suleiman Aminu
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
| | - AbdulAziz Ascandari
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Meriem Laamarti
- Faculty of Medical Sciences, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Nour El Houda Safdi
- AgroBioSciences Program, College for Sustainable Agriculture and Environmental Science, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Achraf El Allali
- Bioinformatics Laboratory, College of Computing, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Rachid Daoud
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
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De Sales-Millán A, Aguirre-Garrido JF, González-Cervantes RM, Velázquez-Aragón JA. Microbiome-Gut-Mucosal-Immune-Brain Axis and Autism Spectrum Disorder (ASD): A Novel Proposal of the Role of the Gut Microbiome in ASD Aetiology. Behav Sci (Basel) 2023; 13:548. [PMID: 37503995 PMCID: PMC10376175 DOI: 10.3390/bs13070548] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/29/2023] Open
Abstract
Autism Spectrum Disorder (ASD) is a complex neurodevelopmental disorder characterised by deficits in social interaction and communication, as well as restricted and stereotyped interests. Due of the high prevalence of gastrointestinal disorders in individuals with ASD, researchers have investigated the gut microbiota as a potential contributor to its aetiology. The relationship between the microbiome, gut, and brain (microbiome-gut-brain axis) has been acknowledged as a key factor in modulating brain function and social behaviour, but its connection to the aetiology of ASD is not well understood. Recently, there has been increasing attention on the relationship between the immune system, gastrointestinal disorders and neurological issues in ASD, particularly in relation to the loss of specific species or a decrease in microbial diversity. It focuses on how gut microbiota dysbiosis can affect gut permeability, immune function and microbiota metabolites in ASD. However, a very complete study suggests that dysbiosis is a consequence of the disease and that it has practically no effect on autistic manifestations. This is a review of the relationship between the immune system, microbial diversity and the microbiome-gut-brain axis in the development of autistic symptoms severity and a proposal of a novel role of gut microbiome in ASD, where dysbiosis is a consequence of ASD-related behaviour and where dysbiosis in turn accentuates the autistic manifestations of the patients via the microbiome-gut-brain axis in a feedback circuit.
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Affiliation(s)
- Amapola De Sales-Millán
- División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Lerma, Lerma 52006, Estado de Mexico, Mexico
| | - José Félix Aguirre-Garrido
- Departamento de Ciencias Ambientales, Universidad Autónoma Metropolitana-Lerma, Lerma 52006, Estado de Mexico, Mexico
| | - Rina María González-Cervantes
- Departamento de Ciencias Ambientales, Universidad Autónoma Metropolitana-Lerma, Lerma 52006, Estado de Mexico, Mexico
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Development of the Anaerobic Microbiome in the Infant Gut. Pediatr Infect Dis J 2023:00006454-990000000-00384. [PMID: 36917032 DOI: 10.1097/inf.0000000000003905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Ninety-five percent of gut microbiota are anaerobes and vary according to age and diet. Complex carbohydrates in human milk enhance the growth of Bifidobacterium and Bacteroides in the first year. Complex carbohydrates in solid foods enhance the growth of Bacteroides and Clostridium in the second year. Short-chain fatty acids produced by Akkermansia and Faecalibacterium may reduce obesity, diabetes and IBD.
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Heisel T, Johnson AJ, Gonia S, Dillon A, Skalla E, Haapala J, Jacobs KM, Nagel E, Pierce S, Fields D, Demerath E, Knights D, Gale CA. Bacterial, fungal, and interkingdom microbiome features of exclusively breastfeeding dyads are associated with infant age, antibiotic exposure, and birth mode. Front Microbiol 2022; 13:1050574. [PMID: 36466688 PMCID: PMC9714262 DOI: 10.3389/fmicb.2022.1050574] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/26/2022] [Indexed: 11/19/2022] Open
Abstract
The composition and function of early life gut bacterial communities (microbiomes) have been proposed to modulate health for the long term. In addition to bacteria, fungi (mycobiomes) also colonize the early life gut and have been implicated in health disorders such as asthma and obesity. Despite the potential importance of mycobiomes in health, there has been a lack of study regarding fungi and their interkingdom interactions with bacteria during infancy. The goal of this study was to obtain a more complete understanding of microbial communities thought to be relevant for the early life programming of health. Breastmilk and infant feces were obtained from a unique cohort of healthy, exclusively breastfeeding dyads recruited as part of the Mothers and Infants Linked for Healthy Growth (MILk) study with microbial taxa characterized using amplicon-based sequencing approaches. Bacterial and fungal communities in breastmilk were both distinct from those of infant feces, consistent with niche-specific microbial community development. Nevertheless, overlap was observed among sample types (breastmilk, 1-month feces, 6-month feces) with respect to the taxa that were the most prevalent and abundant. Self-reported antibacterial antibiotic exposure was associated with micro- as well as mycobiome variation, which depended upon the subject receiving antibiotics (mother or infant), timing of exposure (prenatal, peri- or postpartum), and sample type. In addition, birth mode was associated with bacterial and fungal community variation in infant feces, but not breastmilk. Correlations between bacterial and fungal taxa abundances were identified in all sample types. For infant feces, congruency between bacterial and fungal communities was higher for older infants, consistent with the idea of co-maturation of bacterial and fungal gut communities. Interkingdom connectedness also tended to be higher in older infants. Additionally, higher interkingdom connectedness was associated with Cesarean section birth and with antibiotic exposure for microbial communities of both breastmilk and infant feces. Overall, these results implicate infant age, birth mode, and antibiotic exposure in bacterial, fungal and interkingdom relationship variation in early-life-relevant microbiomes, expanding the current literature beyond bacteria.
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Affiliation(s)
- Timothy Heisel
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States
| | - Abigail J. Johnson
- School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Sara Gonia
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States
| | - Abrielle Dillon
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States
| | - Emily Skalla
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States,School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Jacob Haapala
- School of Public Health, University of Minnesota, Minneapolis, MN, United States,HealthPartners Institute, Minneapolis, MN, United States
| | - Katherine M. Jacobs
- Department of Obstetrics, Gynecology, and Women’s Health, University of Minnesota, Minneapolis, MN, United States
| | - Emily Nagel
- School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Stephanie Pierce
- College of Medicine, University of Oklahoma, Oklahoma City, OK, United States
| | - David Fields
- College of Medicine, University of Oklahoma, Oklahoma City, OK, United States
| | - Ellen Demerath
- School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Dan Knights
- Department of Computer Science and Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Cheryl A. Gale
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States,*Correspondence: Cheryl A. Gale,
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Zeng S, Wang S, Ross RP, Stanton C. The road not taken: host genetics in shaping intergenerational microbiomes. Trends Genet 2022; 38:1180-1192. [PMID: 35773025 DOI: 10.1016/j.tig.2022.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/31/2022] [Accepted: 05/31/2022] [Indexed: 02/09/2023]
Abstract
The early-life gut microbiome is linked to human phenotypes as an imbalanced microbiome of this period is implicated in diseases throughout life. Several determinants of early-life gut microbiome are explored, however, mechanisms of acquisition, colonization, and stability of early-life gut microbiome and their interindividual variability remain elusive. Host genetics play a vital role to shape the gut microbiome and interact with it to modulate individual phenotypes in human studies and animal models. Given the microbial linkage between host generations, we discuss the current state of roles of host genetics in forming intergenerational microbiomes associated with mothers, offspring, and those vertically transmitted, providing a basis for taking into account host genetics in future early-life microbiome research. We further expand our discussion to the bidirectional interactions between host gene expression and microbiome in human health.
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Affiliation(s)
- Shuqin Zeng
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China; APC Microbiome Ireland, University College Cork, Cork, T12 YT20, Ireland; Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
| | - Shaopu Wang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China; APC Microbiome Ireland, University College Cork, Cork, T12 YT20, Ireland; Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland.
| | - R Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, T12 YT20, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, University College Cork, Cork, T12 YT20, Ireland; Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
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