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Kon R, Ikarashi N, Ohkuma M, Toyonaga M, Tomimoto R, Sakai H, Hosoe T, Kamei J. Prebiotic effects of commercial apple juice in high-fat diet fed rat. BMC Res Notes 2024; 17:249. [PMID: 39237963 PMCID: PMC11378591 DOI: 10.1186/s13104-024-06907-4] [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: 03/01/2024] [Accepted: 08/21/2024] [Indexed: 09/07/2024] Open
Abstract
OBJECTIVES Apples are one of the most frequently consumed fruits and are effective in preventing lifestyle-related and other diseases. However, few studies have been conducted to evaluate health benefits of processed apple products such as juice. In this study, we analyzed the health benefits of consuming apple juice, focusing on changes in the gut microbiota, which plays an important role in maintaining human health. RESULTS Rats were fed apple juice ad libitum, and the relative abundances of various gut microbiota in fecal samples were analyzed. In addition, rats treated apple juice were fed with a high-fat diet, and body weight, plasma triglyceride, glucose, and cholesterol levels were measured. The relative abundance of Clostridium cluster XIV did not change with the treatment of apple juice, but the relative abundance of Clostridium cluster IV was significantly decreased. In contrast, the relative abundances of Lactobacillus and Bifidobacterium, which provide benefits to the human body, were significantly increased by 3-fold and 10-fold, respectively, with apple juice consumption. When apple juice-treated rats were fed a high-fat diet, the increase in body weight, liver fat, and blood lipid parameters were all suppressed compared to high-fat alone group. CONCULUSION This study suggests that the consumption of apple juice changes the gut microbiota, exerts a prebiotic effect, and is effective in improving lifestyle-related diseases.
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Affiliation(s)
- Risako Kon
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Nobutomo Ikarashi
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan.
| | - Mayumi Ohkuma
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Misato Toyonaga
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Rei Tomimoto
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Hiroyasu Sakai
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Tomoo Hosoe
- Department of Biomolecular Pharmacology, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Junzo Kamei
- Juntendo Advanced Research institute for Health Science, Juntendo University, Bunkyo City, Japan
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Bełdowska A, Siwek M, Biesek J, Barszcz M, Tuśnio A, Gawin K, Dunisławska A. Impact of in ovo administration of xylo- and mannooligosaccharides on broiler chicken gut health. Poult Sci 2024; 103:104261. [PMID: 39265513 DOI: 10.1016/j.psj.2024.104261] [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: 04/17/2024] [Revised: 06/28/2024] [Accepted: 08/20/2024] [Indexed: 09/14/2024] Open
Abstract
The intestinal mucosa creates a connection between the gut microbiota and the host. This study aimed to modify the gut microbiota of broiler chickens by in ovo stimulation with xylo-oligosaccharide (XOS) and manno-oligosaccharide (MOS) prebiotics and to determine the changes occurring in specific gut segments. Three hundred incubated eggs of Ross 308 broiler chickens on the 12th d of incubation were injected with: saline (control), xylotriose (XOS3), xylotetrose (XOS4), mannotriose (MOS3) or mannotetrose (MOS4). Tissue and digesta samples were collected post-mortem from 8 randomly selected individuals from each group, on d 42 after hatching. Gene expression analysis in the cecum and ileum was performed by RT-qPCR for a panel of genes: innate immune response genes (IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17, IL-1β, IFNγ, IFNβ), nutrient sensing and nutrient transport genes (FFAR2, FFAR4, GLUT1, GLUT2, GLUT5), host defence peptides (AvBD1, CATHL2), and barrier function genes (MUC6, CLDN1, TJAP). The relative abundance of bacteria was determined by qPCR for individual bacteria (Akkermansia muciniphilla, Bifidobacterium spp., Clostridium difficile, Escherichia coli, Faecalibacterium prausnitzii, and Lactobacillus spp.). Stimulation with prebiotics caused changes in the abundance of bacteria especially Lactobacillus spp. and Bifidobacterium spp. in the cecum. The abundance of both genera increased in each study group compared to the control group. The highest abundance of Bifidobacterium spp. in the ileum was found in the MOS3 group compared to the control group. There were changes in the XOS4 and MOS3 groups in the expression of: FFAR4, GLUT1, AvBD1, CATHL2, IL-2, IL-12, and IL-17 in the caecum. In conclusion, in ovo administration of prebiotics increased intestinal colonization by bacteria. The prebiotics influenced gene expression levels via changes in the gut microbiota.
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Affiliation(s)
- Aleksandra Bełdowska
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland.
| | - Maria Siwek
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Jakub Biesek
- Department of Animal Breeding and Nutrition, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Marcin Barszcz
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Anna Tuśnio
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Kamil Gawin
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Aleksandra Dunisławska
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
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Passos FC, de Oliveira LMG, Jesus FR, Zanette DL, Neto OLL, Neves MCLC, Lemos ACM, Baccan GC. Beneficial Bacteria in the Gut Microbiota May Lead to Improved Metabolic and Immunological Status in Chronic Obstructive Pulmonary Disease. Med Sci (Basel) 2024; 12:41. [PMID: 39189204 PMCID: PMC11348168 DOI: 10.3390/medsci12030041] [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: 04/01/2024] [Revised: 07/08/2024] [Accepted: 08/09/2024] [Indexed: 08/28/2024] Open
Abstract
The progression of chronic obstructive pulmonary disease (COPD) is characterized by functional changes in the airways. The lung-gut axis and gut microbiota (GM) have been linked to the pathophysiology of airway diseases. Regarding COPD, studies have shown that GM alterations could be related the stages of this disease. However, the relationship between GM and clinical, biochemical and immunological parameters in patients with COPD are not well understood. The aim of this study was to compare the relative abundance of specific groups of beneficial gut bacteria between COPD patients and healthy controls (CTLs) in order to evaluate relationships with metabolic and inflammatory markers in COPD. METHODS We included 16 stable COPD patients and 16 healthy volunteer CTLs. The relative abundances of Bifidobacterium spp. (Bf) and Akkermansia muciniphila (Akk) bacteria and the Bacteroidetes and Firmicutes phyla were assessed by qPCR. Pulmonary function was evaluated by spirometry, biochemical parameters by colorimetric methods and plasma cytokine levels by cytometric bead array analysis. RESULTS The Firmicutes/Bacteroides ratio was related to emergency hospital visits and six-minute walk test (6MWT) results. Furthermore, the relative abundance of Bf was associated with plasma concentrations of glucose, triglycerides, HDL-C and IL-10. In addition, Firmicutes levels and the Firmicutes/Bacteroidetes ratio were associated with the IL-12/IL-10 ratio, while Akk abundance was linked to IL-12 levels. CONCLUSIONS The present findings suggest that the abundance of beneficial bacteria in the GM could influence clinical presentation and immunoregulation in COPD.
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Affiliation(s)
- Fabine Correia Passos
- Departamento de Bioquímica e Biofísica, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador 40170-110, Bahia, Brazil; (F.C.P.); (L.M.G.d.O.); (O.L.L.N.)
| | - Lucas Matheus Gonçalves de Oliveira
- Departamento de Bioquímica e Biofísica, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador 40170-110, Bahia, Brazil; (F.C.P.); (L.M.G.d.O.); (O.L.L.N.)
| | - Fabíola Ramos Jesus
- Maternidade Climério de Oliveira (MCO/EBSERH), Universidade Federal da Bahia, Salvador 40055-150, Bahia, Brazil;
| | | | - Odilon Lobão Leal Neto
- Departamento de Bioquímica e Biofísica, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador 40170-110, Bahia, Brazil; (F.C.P.); (L.M.G.d.O.); (O.L.L.N.)
| | - Margarida Célia Lima Costa Neves
- Unidade do Sistema Respiratório, Ambulatório Professor Francisco Magalhães Neto, Hospital Universitário Professor Edgard Santos, Universidade Federal da Bahia, Salvador 40110-200, Bahia, Brazil; (M.C.L.C.N.); (A.C.M.L.)
| | - Antônio Carlos Moreira Lemos
- Unidade do Sistema Respiratório, Ambulatório Professor Francisco Magalhães Neto, Hospital Universitário Professor Edgard Santos, Universidade Federal da Bahia, Salvador 40110-200, Bahia, Brazil; (M.C.L.C.N.); (A.C.M.L.)
| | - Gyselle Chrystina Baccan
- Departamento de Bioquímica e Biofísica, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador 40170-110, Bahia, Brazil; (F.C.P.); (L.M.G.d.O.); (O.L.L.N.)
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Wu H, Ding C, Ma X, Gao Z, Liu S, Liu B, Song S. Microencapsulate Probiotics (MP) Promote Growth Performance and Inhibit Inflammatory Response in Broilers Challenged with Salmonella typhimurium. Probiotics Antimicrob Proteins 2024; 16:623-635. [PMID: 37043165 DOI: 10.1007/s12602-023-10074-6] [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] [Accepted: 03/30/2023] [Indexed: 04/13/2023]
Abstract
Antibiotic-resistant bacteria are prevalent in husbandry around the world due to the abuse of antibiotic growth promoters (AGPs); therefore, it is necessary to find alternatives to AGPs in animal feed. Among all the candidates, probiotics are promising alternatives to AGPs against Salmonella infection. The anti-Salmonella effects of three probiotic strains, namely, Lactobacillus crispatus 7-4, Lactobacillus johnsonii 3-1, and Pediococcus acidilactici 20-1, have been demonstrated in our previous study. In this study, we further obtained the alginate beads containing compound probiotics, namely, microencapsulate probiotics (MP), and evaluated its regulatory effect on the health of broilers. We incubated free and microencapsulate probiotics in simulated gastric and intestinal juice for 2 h, and the results showed that compared to free probiotics, encapsulation increased tolerance of compound probiotics in the simulated gastrointestinal condition. We observed that the application of probiotics, especially MP, conferred protective effects against Salmonella typhimurium (S.Tm) infection in broilers. Compared to the S.Tm group, the MP could promote the growth performance (p < 0.05) and reduce the S.Tm load in intestine and liver (p < 0.05). In detail, MP pretreatment could modulate the cecal microflora and upregulate the relative abundance of Lactobacillus and Enterobacteriaceae. Besides, MP could reduce the inflammation injury of the intestine and liver, reduce the pro-inflammatory cytokines (IL-6, TNF-α, IL-1β) expression, and induce of anti-inflammatory cytokine (IL-10) expression. Furthermore, MP could inhibit NLRP3 pathway in ileum, thereby attenuating S.Tm-induced inflammation. In conclusion, MP could be a new feeding supplementation strategy to substitute AGPs in poultry feeding.
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Affiliation(s)
- Huixian Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chenchen Ding
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xujie Ma
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhangshan Gao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shuhui Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Bin Liu
- Management Office of Dafeng, Milu National Nature Reserve, Yancheng, 224136, China
| | - Suquan Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.
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Wishna-Kadawarage RN, Połtowicz K, Dankowiakowska A, Hickey RM, Siwek M. Prophybiotics for in-ovo stimulation; validation of effects on gut health and production of broiler chickens. Poult Sci 2024; 103:103512. [PMID: 38367472 PMCID: PMC10882136 DOI: 10.1016/j.psj.2024.103512] [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: 12/06/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 02/19/2024] Open
Abstract
Probiotics and phytobiotics have demonstrated effective improvement of gut health in broiler chickens when individually administered in-ovo. However, their combined use in-ovo, has not been studied to date. We coined the term "prophybiotic" (probiotic + phytobiotic) for such a combination. The current study therefore, aimed to elucidate the effects of combined use of a selected probiotic and a phytobiotic in-ovo, on broiler gut health and production parameters, as opposed to use of probiotics alone. ROSS 308 hatching eggs were injected with either Leuconostoc mesenteroides (probiotic: PB) or L. mesenteroides with garlic aqueous extract (prophyiotic: PPB) on the 12th day of incubation. Relative abundances of bacteria in feces and cecal content (qPCR), immune related gene expression in cecal mucosa (qPCR) and histomorphology of cecal tissue (PAS staining) were analyzed along with production parameters (hatch quality, body weight, feed efficiency and slaughter and meat quality). PPB treatment increased the abundance of faecalibacteria and bifidobacteria in feces (d 7) and Akkermansia sp. in cecal content. Moreover, it decreased Escherichia coli abundance in both feces (d 34) and cecal content. PB treatment only increased the faecalibacteria in feces (d 7) and Akkermansia sp. in the cecal content. Moreover, PPB treatment resulted in up-regulation of immune related genes (Avian beta defensing 1, Free fatty acid receptor 2 and Mucin 6) and increased the crypt depth in ceca whereas PB treatment demonstrated a higher crypt depth and a tendency to increase Mucin 6 gene expression. Both treatments did not impair the production parameters studied. In conclusion, our results suggest that in-ovo PPB treatment may have enhanced potential in boosting the immune system without compromising broiler production and efficiency, as compared to the use of probiotic alone. Our study, highlights the potential of carefully selected PPB combinations for better results in improving gut health of broiler chickens.
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Affiliation(s)
- Ramesha N Wishna-Kadawarage
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, Bydgoszcz 85-084, Poland.
| | - Katarzyna Połtowicz
- Department of Poultry Breeding, National Research Institute of Animal Production, Krakowska 1, Balice 32-083, Poland
| | - Agata Dankowiakowska
- Department of Animal Physiology and Physiotherapy, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, Bydgoszcz 85-084, Poland
| | - Rita M Hickey
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61 C996, Ireland
| | - Maria Siwek
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, Bydgoszcz 85-084, Poland
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Ghori NUH, Mullally CA, Nicol MP, Currie A, Hibbert J, Payne MS, Patole S, Strunk T. Skin-Microbiome Assembly in Preterm Infants during the First Three Weeks of Life and Impact of Topical Coconut Oil Application. Int J Mol Sci 2023; 24:16626. [PMID: 38068949 PMCID: PMC10706365 DOI: 10.3390/ijms242316626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/18/2023] [Accepted: 11/18/2023] [Indexed: 12/18/2023] Open
Abstract
The structure and function of infant skin is not fully developed until 34 weeks of gestation, and this immaturity is associated with risk of late-onset sepsis (LOS). Topical coconut oil improves preterm-infant skin integrity and may reduce LOS. However, data on early-life skin-microbiome succession and potential effects of emollient skin care in preterm infants are scarce. We therefore collected skin-microbiome samples from the ear, axilla, and groin on days 1, 7, 14, and 21 from preterm infants born <30 weeks of gestation as part of a randomized clinical trial of standard skin care vs. topical coconut oil. We found that within-sample microbiome diversity was highest on day 1 after birth, with a subsequent decline and emergence of Staphylococcus genus dominance from day 7. Moreover, microbiome assembly was less diverse in infants receiving coconut oil vs. standard skin care. Our study provides novel data on preterm-infant skin-microbiome composition and highlights the modifying potential of emollient skin care.
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Affiliation(s)
- Noor-Ul-Huda Ghori
- Division of Infection and Immunity, School of Biomedical Sciences and The Marshall Centre, The University of Western Australia, Perth 6009, Australia (M.P.N.)
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth 6009, Australia
| | - Christopher A. Mullally
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth 6009, Australia
- Centre of Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Mark P. Nicol
- Division of Infection and Immunity, School of Biomedical Sciences and The Marshall Centre, The University of Western Australia, Perth 6009, Australia (M.P.N.)
| | - Andrew Currie
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth 6009, Australia
- Centre of Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Julie Hibbert
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth 6009, Australia
- Centre of Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Matthew S. Payne
- Division of Obstetrics and Gynecology, School of Medicine, The University of Western Australia, Perth 6009, Australia
| | - Sanjay Patole
- Neonatal Directorate, King Edward Memorial Hospital for Women, Child and Adolescent Health Service, Perth 6008, Australia
- Faculty of Health and Medical Sciences, The University of Western Australia, Perth 6009, Australia
| | - Tobias Strunk
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth 6009, Australia
- Neonatal Directorate, King Edward Memorial Hospital for Women, Child and Adolescent Health Service, Perth 6008, Australia
- Faculty of Health and Medical Sciences, The University of Western Australia, Perth 6009, Australia
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Basili M, Perini L, Zaggia L, Luna GM, Quero GM. Integrating culture-based and molecular methods provides an improved assessment of microbial quality in a coastal lagoon. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122140. [PMID: 37414126 DOI: 10.1016/j.envpol.2023.122140] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/07/2023] [Accepted: 07/02/2023] [Indexed: 07/08/2023]
Abstract
Faecal pollution in aquatic environments is a worldwide public health concern, yet the reliability and comprehensiveness of the methods used to assess faecal contamination are still debated. We compared three approaches, namely a culture-based method to enumerate Faecal Indicator Bacteria (FIB), a FIB-targeting qPCR assay, and High-Throughput Sequencing (HTS) to detect faeces- and sewage-associated taxa in water and sediment samples of an impacted model lagoon and its adjacent sea across one year. Despite at different levels, all approaches agreed in showing a higher contamination in the lagoon than in the sea, and higher in sediments than water. FIB significantly correlated when considering separately sediment and water, and when using both cultivation and qPCR. Similarly, FIB correlated between cultivation and qPCR, but qPCR provided consistently higher estimates of FIB. Faeces-associated bacteria positively correlated with cultivated FIB in both compartments, whereas sewage-associated bacteria did only in water. Considering their benefits and limitations, we conclude that, in our study site, improved quali-quantitative information on contamination is provided when at least two approaches are combined (e.g., cultivation and qPCR or HTS data). Our results provide insights to move beyond the use of FIB to improve faecal pollution management in aquatic environments and to incorporate HTS analysis into routine monitoring.
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Affiliation(s)
- Marco Basili
- CNR IRBIM, National Research Council - Institute of Marine Biological Resources and Biotechnologies, Largo Fiera della Pesca, 60125, Ancona, Italy
| | - Laura Perini
- Department of Environmental Science, Aarhus University, 4000, Roskilde, Denmark
| | - Luca Zaggia
- CNR IGG, National Research Council - Institute of Geosciences and Earth Resources, Via G. Gradenigo 6, 35131, Padova, Italy
| | - Gian Marco Luna
- CNR IRBIM, National Research Council - Institute of Marine Biological Resources and Biotechnologies, Largo Fiera della Pesca, 60125, Ancona, Italy
| | - Grazia Marina Quero
- CNR IRBIM, National Research Council - Institute of Marine Biological Resources and Biotechnologies, Largo Fiera della Pesca, 60125, Ancona, Italy.
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Jenior ML, Leslie JL, Kolling GL, Archbald-Pannone L, Powers DA, Petri WA, Papin JA. Systems-ecology designed bacterial consortium protects from severe Clostridioides difficile infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.08.552483. [PMID: 37609255 PMCID: PMC10441344 DOI: 10.1101/2023.08.08.552483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Fecal Microbiota Transplant (FMT) is an emerging therapy that has had remarkable success in treatment and prevention of recurrent Clostridioides difficile infection (rCDI). FMT has recently been associated with adverse outcomes such as inadvertent transfer of antimicrobial resistance, necessitating development of more targeted bacteriotherapies. To address this challenge, we developed a novel systems biology pipeline to identify candidate probiotic strains that would be predicted to interrupt C. difficile pathogenesis. Utilizing metagenomic characterization of human FMT donor samples, we identified those metabolic pathways most associated with successful FMTs and reconstructed the metabolism of encoding species to simulate interactions with C. difficile . This analysis resulted in predictions of high levels of cross-feeding for amino acids in species most associated with FMT success. Guided by these in silico models, we assembled consortia of bacteria with increased amino acid cross-feeding which were then validated in vitro . We subsequently tested the consortia in a murine model of CDI, demonstrating total protection from severe CDI through decreased toxin levels, recovered gut microbiota, and increased intestinal eosinophils. These results support the novel framework that amino acid cross-feeding is likely a critical mechanism in the initial resolution of CDI by FMT. Importantly, we conclude that our predictive platform based on predicted and testable metabolic interactions between the microbiota and C. difficile led to a rationally designed biotherapeutic framework that may be extended to other enteric infections.
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Werner M, Ishii PE, Pilla R, Lidbury JA, Steiner JM, Busch-Hahn K, Unterer S, Suchodolski JS. Prevalence of Clostridioides difficile in Canine Feces and Its Association with Intestinal Dysbiosis. Animals (Basel) 2023; 13:2441. [PMID: 37570250 PMCID: PMC10417777 DOI: 10.3390/ani13152441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
The role of Clostridioides (C.) difficile as an enteropathogen in dogs is controversial. In humans, intestinal bile acid-dysmetabolism is associated with C. difficile prevalence. The relationship between fecal qPCR-based dysbiosis index (DI) and especially the abundance of bile acid-converting Clostridium hiranonis with the presence of C. difficile in dogs was explored across the following 4 cohorts: 358 fecal samples submitted for routine diagnostic work-up, 33 dogs with chronic enteropathy, 14 dogs with acute diarrhea, and 116 healthy dogs. Dogs that tested positive for C. difficile had significantly higher DI (median, 4.4 (range from 0.4 to 8.6)) and lower C. hiranonis (median, 0.1 (range from 0.0 to 7.5) logDNA/g) than dogs that tested negative for C. difficile (median DI, -1 (range from -7.2 to 8.9); median C. hiranonis abundance, 6.2 (range from 0.1 to 7.5) logDNA/g; p < 0.0001, respectively). In 33 dogs with CE and 14 dogs with acute diarrhea, the treatment response did not differ between C. difficile-positive and -negative dogs. In the group of clinically healthy dogs, 9/116 tested positive for C. difficile, and 6/9 of these had also an abnormal DI. In conclusion, C. difficile is strongly linked to intestinal dysbiosis and lower C. hiranonis levels in dogs, but its presence does not necessitate targeted treatment.
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Affiliation(s)
- Melanie Werner
- Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, 8057 Zurich, Switzerland
| | - Patricia Eri Ishii
- Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 4474, USA
| | - Rachel Pilla
- Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 4474, USA
| | - Jonathan A. Lidbury
- Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 4474, USA
| | - Joerg M. Steiner
- Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 4474, USA
| | - Kathrin Busch-Hahn
- Clinic of Small Animal Internal Medicine, Centre for Clinical Veterinary Medicine, Ludwig Maximilians University, 80539 Munich, Germany
| | - Stefan Unterer
- Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, 8057 Zurich, Switzerland
| | - Jan S. Suchodolski
- Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 4474, USA
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Antoine C, Laforêt F, Goya-Jorge E, Gonza I, Lebrun S, Douny C, Duprez JN, Fall A, Taminiau B, Scippo ML, Daube G, Thiry D, Delcenserie V. Phage Targeting Neonatal Meningitis E. coli K1 In Vitro in the Intestinal Microbiota of Pregnant Donors and Impact on Bacterial Populations. Int J Mol Sci 2023; 24:10580. [PMID: 37445758 DOI: 10.3390/ijms241310580] [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: 05/13/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
Escherichia coli K1 is a leading cause of neonatal meningitis. The asymptomatic carriage of these strains in the maternal intestinal microbiota constitutes a risk of vertical transmission to the infant at birth. The aim of this work was to evaluate the efficacy of phage therapy against E. coli K1 in an intestinal environment and its impact on the intestinal microbiota. For this purpose, three independent experiments were conducted on the SHIME® system, the first one with only the phage vB_EcoP_K1_ULINTec4, the second experiment with only E. coli K1 and the last experiment with both E. coli K1 and the phage. Microbiota monitoring was performed using metagenetics, qPCR, SCFA analysis and the induction of AhR. The results showed that phage vB_EcoP_K1_ULINTec4, inoculated alone, was progressively cleared by the system and replicates in the presence of its host. E. coli K1 persisted in the microbiota but decreased in the presence of the phage. The impact on the microbiota was revealed to be donor dependent, and the bacterial populations were not dramatically affected by vB_K1_ULINTec4, either alone or with its host. In conclusion, these experiments showed that the phage was able to infect the E. coli K1 in the system but did not completely eliminate the bacterial load.
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Affiliation(s)
- Céline Antoine
- Laboratory of Veterinary Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Fanny Laforêt
- Laboratory of Veterinary Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Elizabeth Goya-Jorge
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Irma Gonza
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Sarah Lebrun
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Caroline Douny
- Laboratory of Food Analysis, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Jean-Noël Duprez
- Laboratory of Veterinary Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Abdoulaye Fall
- FoodChain ID Genomics, En Hayeneux 62, 4040 Herstal, Belgium
| | - Bernard Taminiau
- Laboratory of Microbiology, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Marie-Louise Scippo
- Laboratory of Food Analysis, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Georges Daube
- Laboratory of Microbiology, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Damien Thiry
- Laboratory of Veterinary Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Véronique Delcenserie
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
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11
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Melekoglu E, Yılmaz B, Çevik A, Gökyıldız Sürücü Ş, Avcıbay Vurgeç B, Gözüyeşil E, Sharma H, Boyan N, Ozogul F. The Impact of the Human Milk Microbiota in the Prevention of Disease and Infant Health. Breastfeed Med 2023. [PMID: 37140562 DOI: 10.1089/bfm.2022.0292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Background: Human milk is recognized as an ideal food for newborns and infants owing to the presence of various nutritive factors, including healthy bacteria. Aim/Objective: This review aimed to understand the effects of human milk microbiota in both the prevention of disease and the health of infants. Methods: Data were obtained from PubMed, Scopus, Web of Science, clinical trial registries, Dergipark, and Türk Atıf Dizini up to February 2023 without language restrictions. Results: It is considered that the first human milk microbiota ingested by the newborn creates the initial microbiome of the gut system, which in turn influences the development and maturation of immunity. Bacteria present in human milk modulate the anti-inflammatory response by releasing certain cytokines, protecting the newborn against certain infections. Therefore, certain bacterial strains isolated from human milk could serve as potential probiotics for various therapeutic applications. Conclusions: In this review, the origin and significance of human milk bacteria have been highlighted along with certain factors influencing the composition of human milk microbiota. In addition, it also summarizes the health benefits of human milk as a protective agent against certain diseases and ailments.
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Affiliation(s)
- Ebru Melekoglu
- Department of Nutrition and Dietetics, Cukurova University, Adana, Turkey
| | - Birsen Yılmaz
- Department of Nutrition and Dietetics, Cukurova University, Adana, Turkey
| | - Ayseren Çevik
- Department of Midwifery, Cukurova University, Adana, Turkey
| | | | | | - Ebru Gözüyeşil
- Department of Midwifery, Cukurova University, Adana, Turkey
| | - Heena Sharma
- Food Technology Lab, Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana, India
| | - Neslihan Boyan
- Department of Anatomy, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
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12
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Pal R, Athamneh AI, Deshpande R, Ramirez JAR, Adu KT, Muthuirulan P, Pawar S, Biazzo M, Apidianakis Y, Sundekilde UK, de la Fuente-Nunez C, Martens MG, Tegos GP, Seleem MN. Probiotics: insights and new opportunities for Clostridioides difficile intervention. Crit Rev Microbiol 2023; 49:414-434. [PMID: 35574602 PMCID: PMC9743071 DOI: 10.1080/1040841x.2022.2072705] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/17/2022] [Accepted: 04/28/2022] [Indexed: 02/08/2023]
Abstract
Clostridioides difficile infection (CDI) is a life-threatening disease caused by the Gram-positive, opportunistic intestinal pathogen C. difficile. Despite the availability of antimicrobial drugs to treat CDI, such as vancomycin, metronidazole, and fidaxomicin, recurrence of infection remains a significant clinical challenge. The use of live commensal microorganisms, or probiotics, is one of the most investigated non-antibiotic therapeutic options to balance gastrointestinal (GI) microbiota and subsequently tackle dysbiosis. In this review, we will discuss major commensal probiotic strains that have the potential to prevent and/or treat CDI and its recurrence, reassess the efficacy of probiotics supplementation as a CDI intervention, delve into lessons learned from probiotic modulation of the immune system, explore avenues like genome-scale metabolic network reconstructions, genome sequencing, and multi-omics to identify novel strains and understand their functionality, and discuss the current regulatory framework, challenges, and future directions.
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Affiliation(s)
- Rusha Pal
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, USA
| | - Ahmad I.M. Athamneh
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA
| | | | - Jose A. R Ramirez
- ProbioWorld Consulting Group, James Cook University, 4811, Queensland, Australia
| | - Kayode T. Adu
- ProbioWorld Consulting Group, James Cook University, 4811, Queensland, Australia
- Cann Group, Walter and Eliza Hall Institute, La Trobe University, Victoria 3083, Australia
| | | | - Shrikant Pawar
- The Anlyan Center Yale Center for Genomic Analysis, Yale School of Medicine, New Haven CT USA
| | - Manuele Biazzo
- The Bioarte Ltd Laboratories at Life Science Park, San Gwann, Malta
| | | | | | - Cesar de la Fuente-Nunez
- Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Departments of Bioengineering and Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Penn Institute for Computational Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Mark G. Martens
- Reading Hospital, Tower Health, West Reading, PA 19611, USA
- Drexel University College of Medicine, Philadelphia, PA, 19129, USA
| | - George P. Tegos
- Drexel University College of Medicine, Philadelphia, PA, 19129, USA
| | - Mohamed N. Seleem
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, USA
- Center for Emerging, Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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13
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Wilson A, Bogie B, Chaaban H, Burge K. The Nonbacterial Microbiome: Fungal and Viral Contributions to the Preterm Infant Gut in Health and Disease. Microorganisms 2023; 11:909. [PMID: 37110332 PMCID: PMC10144239 DOI: 10.3390/microorganisms11040909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/27/2023] [Accepted: 03/30/2023] [Indexed: 04/29/2023] Open
Abstract
The intestinal microbiome is frequently implicated in necrotizing enterocolitis (NEC) pathogenesis. While no particular organism has been associated with NEC development, a general reduction in bacterial diversity and increase in pathobiont abundance has been noted preceding disease onset. However, nearly all evaluations of the preterm infant microbiome focus exclusively on the bacterial constituents, completely ignoring any fungi, protozoa, archaea, and viruses present. The abundance, diversity, and function of these nonbacterial microbes within the preterm intestinal ecosystem are largely unknown. Here, we review findings on the role of fungi and viruses, including bacteriophages, in preterm intestinal development and neonatal intestinal inflammation, with potential roles in NEC pathogenesis yet to be determined. In addition, we highlight the importance of host and environmental influences, interkingdom interactions, and the role of human milk in shaping fungal and viral abundance, diversity, and function within the preterm intestinal ecosystem.
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Affiliation(s)
| | | | - Hala Chaaban
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Kathryn Burge
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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14
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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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15
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In Vitro Evaluation of Brown Seaweed Laminaria spp. as a Source of Antibacterial and Prebiotic Extracts That Could Modulate the Gastrointestinal Microbiota of Weaned Pigs. Animals (Basel) 2023; 13:ani13050823. [PMID: 36899679 PMCID: PMC10000092 DOI: 10.3390/ani13050823] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/12/2023] Open
Abstract
Laminaria spp. and their extracts have preventative potential as dietary supplements during weaning in pigs. The first objective of this study was to evaluate increasing concentrations of four whole seaweed biomass samples from two different Laminaria species harvested in two different months in a weaned pig faecal batch fermentation assay. Particularly, February and November whole seaweed biomass samples of L. hyperborea (LHWB-F and LHWB-N) and L. digitata (LDWB-F and LDWB-N) were used. In the next part of the study, the increasing concentrations of four extracts produced from L. hyperborea (LHE1-4) and L. digitata (LDE1-4) were evaluated in individual pure-culture growth assays using a panel of beneficial and pathogenic bacterial strains (second objective). The LHE1-4 and LDE1-4 were obtained using different combinations of temperature, incubation time and volume of solvent within a hydrothermal-assisted extraction methodology (E1-4). In the batch fermentation assay, the L. hyperborea biomass samples, LHWB-F and LHWB-N, lowered Bifidobacterium spp. counts compared to the L. digitata biomass samples, LDWB-F and LDWB-N (p < 0.05). LHWB-F and LDWB-N reduced Enterobacteriaceae counts (p < 0.05). LHWB-F and LDWB-F were selected as the most and least promising sources of antibacterial extracts from which to produce LHE1-4 and LDE1-4. In the pure-culture growth assays, E1- and E4-produced extracts were predominantly associated with antibacterial and bifidogenic activities, respectively. LHE1 reduced both Salmonella Typhimurium and Enterotoxigenic Escherichia coli with LDE1 having a similar effect on both of these pathogenic strains, albeit to a lesser extent (p < 0.05). Both LHE1 and LDE1 reduced B. thermophilum counts (p < 0.05). LDE4 exhibited strong bifidogenic activity (p < 0.05), whereas LHE4 increased Bifidobacterium thermophilum and Lactiplantibacillus plantarum counts (p < 0.05). In conclusion, antibacterial and bifidogenic extracts of Laminaria spp. were identified in vitro with the potential to alleviate gastrointestinal dysbiosis in newly weaned pigs.
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16
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Dunisławska A, Pietrzak E, Bełdowska A, Sławińska A, Siwek M. Response in liver gene expression and DNA methylation
to changes in the intestinal microbial profile
after <i>in ovo</i> stimulation of chickens. JOURNAL OF ANIMAL AND FEED SCIENCES 2023. [DOI: 10.22358/jafs/156098/2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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17
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Blau K, Gallert C. Prevalence, Antimicrobial Resistance and Toxin-Encoding Genes of Clostridioides difficile from Environmental Sources Contaminated by Feces. Antibiotics (Basel) 2023; 12:antibiotics12010162. [PMID: 36671363 PMCID: PMC9855088 DOI: 10.3390/antibiotics12010162] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/03/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Clostridioides difficile (C. difficile) is the most common pathogen causing antibiotic-associated intestinal diseases in humans and some animal species, but it can also be present in various environments outside hospitals. Thus, the objective of this study was to investigate the presence and the characteristics of toxin-encoding genes and antimicrobial resistance of C. difficile isolates from different environmental sources. C. difficile was found in 32 out of 81 samples (39.50%) after selective enrichment of spore-forming bacteria and in 45 samples (55.56%) using a TaqMan-based qPCR assay. A total of 169 C. difficile isolates were recovered from those 32 C. difficile-positive environmental samples. The majority of environmental C. difficile isolates were toxigenic, with many (88.75%) positive for tcdA and tcdB. Seventy-four isolates (43.78%) were positive for binary toxins, cdtA and cdtB, and 19 isolates were non-toxigenic. All the environmental C. difficile isolates were susceptible to vancomycin and metronidazole, and most isolates were resistant to ciprofloxacin (66.86%) and clindamycin (46.15%), followed by moxifloxacin (13.02%) and tetracycline (4.73%). Seventy-five isolates (44.38%) showed resistance to at least two of the tested antimicrobials. C. difficile strains are commonly present in various environmental sources contaminated by feces and could be a potential source of community-associated C. difficile infections.
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18
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Huertas-Díaz L, Kyhnau R, Ingribelli E, Neuzil-Bunesova V, Li Q, Sasaki M, Lauener RP, Roduit C, Frei R, Study Group CKCARE, Sundekilde U, Schwab C. Breastfeeding and the major fermentation metabolite lactate determine occurrence of Peptostreptococcaceae in infant feces. Gut Microbes 2023; 15:2241209. [PMID: 37592891 PMCID: PMC10449005 DOI: 10.1080/19490976.2023.2241209] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 08/19/2023] Open
Abstract
Previous studies indicated an intrinsic relationship between infant diet, intestinal microbiota composition and fermentation activity with a strong focus on the role of breastfeeding on microbiota composition. Yet, microbially formed short-chain fatty acids acetate, propionate and butyrate and other fermentation metabolites such as lactate not only act as substrate for bacterial cross-feeding and as mediators in microbe-host interactions but also confer antimicrobial activity, which has received considerably less attention in the past research. It was the aim of this study to investigate the nutritional-microbial interactions that contribute to the development of infant gut microbiota with a focus on human milk oligosaccharide (HMO) fermentation. Infant fecal microbiota composition, fermentation metabolites and milk composition were analyzed from 69 mother-infant pairs of the Swiss birth cohort Childhood AlleRgy nutrition and Environment (CARE) at three time points depending on breastfeeding status defined at the age of 4 months, using quantitative microbiota profiling, HPLC-RI and 1H-NMR. We conducted in vitro fermentations in the presence of HMO fermentation metabolites and determined the antimicrobial activity of lactate and acetate against major Clostridiaceae and Peptostreptococcaceae representatives. Our data show that fucosyllactose represented 90% of the HMOs present in breast milk at 1- and 3-months post-partum with fecal accumulation of fucose, 1,2-propanediol and lactate indicating fermentation of HMOs that is likely driven by Bifidobacterium. Concurrently, there was a significantly lower absolute abundance of Peptostreptococcaceae in feces of exclusively breastfed infants at 3 months. In vitro, lactate inhibited strains of Peptostreptococcaceae. Taken together, this study not only identified breastfeeding dependent fecal microbiota and metabolite profiles but suggests that HMO-derived fermentation metabolites might exert an inhibitory effect against selected gut microbes.
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Affiliation(s)
- Lucía Huertas-Díaz
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
| | - Rikke Kyhnau
- Department of Food Science, Aarhus University, Aarhus, Denmark
| | - Eugenio Ingribelli
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Vera Neuzil-Bunesova
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Qing Li
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
| | - Mari Sasaki
- University Children’s Hospital Zürich, Zürich, Switzerland
| | - Roger P. Lauener
- Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
- Children’s Hospital St. Gallen, St. Gallen, Switzerland
| | - Caroline Roduit
- University Children’s Hospital Zürich, Zürich, Switzerland
- Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
- Children’s Hospital St. Gallen, St. Gallen, Switzerland
- Department of Paediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - Remo Frei
- Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
- Department of Paediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - CK-CARE Study Group
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
- Department of Food Science, Aarhus University, Aarhus, Denmark
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Prague, Czech Republic
- University Children’s Hospital Zürich, Zürich, Switzerland
- Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
- Children’s Hospital St. Gallen, St. Gallen, Switzerland
- Department of Paediatrics, Inselspital, University of Bern, Bern, Switzerland
| | | | - Clarissa Schwab
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
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19
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Edwards CA, Van Loo-Bouwman CA, Van Diepen JA, Schoemaker MH, Ozanne SE, Venema K, Stanton C, Marinello V, Rueda R, Flourakis M, Gil A, Van der Beek EM. A systematic review of breast milk microbiota composition and the evidence for transfer to and colonisation of the infant gut. Benef Microbes 2022; 13:365-382. [PMID: 36377578 DOI: 10.3920/bm2021.0098] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
The intestinal microbiota plays a major role in infant health and development. However, the role of the breastmilk microbiota in infant gut colonisation remains unclear. A systematic review was performed to evaluate the composition of the breastmilk microbiota and evidence for transfer to/colonisation of the infant gut. Searches were performed using PUBMED, OVID, LILACS and PROQUEST from inception until 18th March 2020 with a PUBMED update to December 2021. 88 full texts were evaluated before final critique based on study power, sample contamination avoidance, storage, purification process, DNA extraction/analysis, and consideration of maternal health and other potential confounders. Risk of skin contamination was reduced mainly by breast cleaning and rejecting the first milk drops. Sample storage, DNA extraction and bioinformatics varied. Several studies stored samples under conditions that may selectively impact bacterial DNA preservation, others used preculture reducing reliability. Only 15 studies, with acceptable sample size, handling, extraction, and bacterial analysis, considered transfer of bacteria to the infant. Three reported bacterial transfer from infant to breastmilk. Despite consistent evidence for the breastmilk microbiota, and recent studies using improved methods to investigate factors affecting its composition, few studies adequately considered transfer to the infant gut providing very little evidence for effective impact on gut colonisation.
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Affiliation(s)
- C A Edwards
- Human Nutrition, School of Medicine, Dentistry, and Nursing, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, 84 Castle St, Glasgow G4 0SF, United Kingdom
| | - C A Van Loo-Bouwman
- Yili Innovation Center Europe, Bronland 12 E-1, 6708 WH Wageningen, the Netherlands
| | - J A Van Diepen
- Medical and Scientific Affairs, Reckitt|Mead Johnson Nutrition Institute, Middenkampweg 2, 6545 CJ Nijmegen, the Netherlands
| | - M H Schoemaker
- Medical and Scientific Affairs, Reckitt|Mead Johnson Nutrition Institute, Middenkampweg 2, 6545 CJ Nijmegen, the Netherlands
| | - S E Ozanne
- Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, P.O. Box 289, Cambridge CB2 0QQ, United Kingdom
| | - K Venema
- Department of Human Biology, Centre for Healthy Eating & Food Innovation, Maastricht University - Campus Venlo, P.O. Box 8, 5900 AA Venlo, the Netherlands
| | - C Stanton
- Teagasc Moorepark Food Research Centre, and APC Microbiome Ireland, Cork, Ireland
| | - V Marinello
- Human Nutrition, School of Medicine, Dentistry, and Nursing, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, 84 Castle St, Glasgow G4 0SF, United Kingdom
| | - R Rueda
- R&D Department, Abbott Nutrition, Cam. de Purchil, 68, 18004 Granada, Spain
| | - M Flourakis
- ILSI Europe a.i.s.b.l., E. Mounierlaan 83, 1200 Brussels, Belgium; correspondence has been taken over by C.-Y. Chang of ILSI Europe
| | - A Gil
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, Institute of Nutrition and Food Technology 'José Mataix,' Biomedical Research Centre, University of Granada, and Instituto de Investigación Biosanitaria ibs Granada, Avda. del Conocimiento s/n, 18100, Armilla, Grenada, Spain
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - E M Van der Beek
- Department of Pediatrics, University Medical Centre Groningen, University of Groningen, Postbus 30.001, 9700 RB Groningen, the Netherlands
- Danone Nutricia Research, Uppsalalaan 12, 3584 CT Utrecht, the Netherlands
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20
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Taniya MA, Chung HJ, Al Mamun A, Alam S, Aziz MA, Emon NU, Islam MM, Hong STS, Podder BR, Ara Mimi A, Aktar Suchi S, Xiao J. Role of Gut Microbiome in Autism Spectrum Disorder and Its Therapeutic Regulation. Front Cell Infect Microbiol 2022; 12:915701. [PMID: 35937689 PMCID: PMC9355470 DOI: 10.3389/fcimb.2022.915701] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/22/2022] [Indexed: 12/14/2022] Open
Abstract
Autism spectrum disorder (ASD) is a neurological disorder that affects normal brain development. The recent finding of the microbiota-gut-brain axis indicates the bidirectional connection between our gut and brain, demonstrating that gut microbiota can influence many neurological disorders such as autism. Most autistic patients suffer from gastrointestinal (GI) symptoms. Many studies have shown that early colonization, mode of delivery, and antibiotic usage significantly affect the gut microbiome and the onset of autism. Microbial fermentation of plant-based fiber can produce different types of short-chain fatty acid (SCFA) that may have a beneficial or detrimental effect on the gut and neurological development of autistic patients. Several comprehensive studies of the gut microbiome and microbiota-gut-brain axis help to understand the mechanism that leads to the onset of neurological disorders and find possible treatments for autism. This review integrates the findings of recent years on the gut microbiota and ASD association, mainly focusing on the characterization of specific microbiota that leads to ASD and addressing potential therapeutic interventions to restore a healthy balance of gut microbiome composition that can treat autism-associated symptoms.
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Affiliation(s)
- Masuma Afrin Taniya
- Department of Life Sciences, School of Environment and Life Science, Independent University, Dhaka, Bangladesh
| | - Hea-Jong Chung
- Gwanju Center, Korea Basic Science Institute, Gwanju, South Korea
| | - Abdullah Al Mamun
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Safaet Alam
- Drugs and Toxins Research Division, BCSIR Laboratories, Rajshahi, Bangladesh Council of Scientific and Industrial Research, Rajshahi, Bangladesh
| | - Md. Abdul Aziz
- Department of Pharmacy, Faculty of Pharmacy and Health Sciences, State University of Bangladesh, Dhaka, Bangladesh
| | - Nazim Uddin Emon
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chattogram, Bangladesh
| | - Md. Minarul Islam
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, South Korea
| | - Seong-T shool Hong
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, South Korea
| | - Bristy Rani Podder
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Anjuman Ara Mimi
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Suzia Aktar Suchi
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, South Korea
| | - Jian Xiao
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- Department of Hand Surgery and Peripheral Neurosurgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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21
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Loy MH, Usseglio J, Lasalandra D, Gold MA. Probiotic Use in Children and Adolescents with Overweight or Obesity: A Scoping Review. Child Obes 2022; 19:145-159. [PMID: 35723657 DOI: 10.1089/chi.2022.0059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Context: Probiotics have been proposed as a prevention or treatment for pediatric overweight and obesity. Objective: Conduct a scoping review on probiotic use in children and adolescents with overweight or obesity and those with weight-related conditions and to identify knowledge gaps and research priorities. Data Sources: Seven databases using keywords and medical subject heading terms for articles reporting probiotic use in children or adolescents with overweight or obesity published from database conception until initiation of the study. Study Selection: Articles reporting primary data on probiotics use in children or adolescents with overweight or obesity. Data Extraction: We utilized the Arksey and O'Malley framework, PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines, followed a predetermined study protocol for level-one abstract and level-two full-text screenings, synthesized information into subject-area domains, and identified research gaps. Limitations: Heterogeneity of probiotic interventions, host factors, and genomics. Results: Database search yielded 1356 unique articles with 19 randomized placebo-controlled studies, 945 participants, duration of interventions from 8 weeks to 9 months. Disease indications included Nonalcoholic Fatty Liver Disease, insulin resistance, hypercholesterolemia, Prader-Willi Syndrome, metabolic syndrome, and obesity. Limited and heterogeneous evidence for probiotic use in children and adolescents with weight-related conditions noted. Heterogeneity among published articles in probiotic strains, doses, design, biomarkers, confirmation, and outcomes observed. Conclusions: Despite complex existing and limited data, studies to date of children and adolescents with overweight and obesity demonstrate potential beneficial treatment effects of probiotics on BMI, adiposity, metabolic parameters, inflammatory markers, fatty liver, transaminase levels, and glucose metabolism. Clinical trials to address heterogeneous results are needed.
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Affiliation(s)
- Michelle H Loy
- Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA.,Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,Integrative Health and Well-Being, Weill Cornell Medicine/New York Presbyterian Hospital, New York, New York, USA
| | - John Usseglio
- Health Sciences Library, Columbia University Irving Medical Center, New York, New York, USA
| | | | - Melanie A Gold
- Heilbrunn Department of Population and Family Health, Columbia University Mailman School of Public Health, New York, New York, USA.,Section of Adolescent Medicine, Division of Child and Adolescent Health, Department of Pediatrics, Columbia University Irving Medical Center, New York, New York, USA.,Center for Community Health and Education, School-Based Health Centers, NewYork Presbyterian, New York, New York, USA
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22
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Vliex LMM, Le GN, Fassarella M, Reijnders D, Goossens GH, Zoetendal EG, Penders J, Blaak EE. Fecal carriage of vanB antibiotic resistance gene affects adipose tissue function under vancomycin use. Gut Microbes 2022; 14:2083905. [PMID: 35695620 PMCID: PMC9196849 DOI: 10.1080/19490976.2022.2083905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Detrimental consequences of antibiotic treatment may include long-lasting disruption of the gut microbiota. Previous studies found no negative effects of antibiotics on metabolic health, although individualized responses were observed. Here, we aimed to investigate the subject-specific response to vancomycin use in tissue-specific insulin sensitivity by stratifying individuals based on the presence of antibiotic resistance genes (ARGs) or opportunistic pathogens (OPs) in the baseline fecal microbiota. Quantitative Polymerase Chain Reaction (qPCR) was used to detect ARGs and OPs in DNA isolated from fecal samples of 56 males with overweight/obesity (Body Mass Index: 25-35 kg/m2) and impaired glucose metabolism (fasting plasma glucose ≥5.6 mmol/L and/or 2-hour glucose 7.8-11.1 mmol/L). A two-step hyperinsulinemic-euglycemic clamp was performed to determine tissue-specific insulin sensitivity. Abdominal subcutaneous adipose tissue (AT) gene expression was assessed using Affymetrix microarray. Gut microbial composition was determined using the Human Intestinal Tract Chip (HITChip) microarray. At baseline, the vancomycin resistance gene vanB was present in 60% of our population. In individuals that were vanB-negative at baseline, AT insulin sensitivity (insulin-mediated suppression of plasma free fatty acids) improved during vancomycin use, while it decreased among vanB-positive individuals (% change post versus baseline: 14.1 ± 5.6 vs. -6.7 ± 7.5% (p = .042)). The vancomycin-induced increase in AT insulin sensitivity was accompanied by downregulation of inflammatory pathways and enrichment of extracellular matrix remodeling pathways in AT. In the vanB-positive group, well-known vanB-carrying bacteria, Enterococcus and Streptococcus, expanded in the gut microbiome. In conclusion, microbiome composition and adipose tissue biology were differentially affected by vancomycin treatment based on fecal vanB carriage.
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Affiliation(s)
- Lars M. M. Vliex
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Giang N. Le
- Department of Medical Microbiology, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Marina Fassarella
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Dorien Reijnders
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Gijs H. Goossens
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Erwin G. Zoetendal
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - John Penders
- Department of Medical Microbiology, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Ellen E. Blaak
- Department of Human Biology, NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands,CONTACT Ellen E. Blaak Department of Human Biology, NUTRIM, School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands
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23
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Oligosaccharide and Flavanoid Mediated Prebiotic Interventions to Treat Gut Dysbiosis Associated Cognitive Decline. J Neuroimmune Pharmacol 2022; 17:94-110. [PMID: 35043295 DOI: 10.1007/s11481-021-10041-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 11/24/2021] [Indexed: 12/29/2022]
Abstract
Oligosaccharides are potential prebiotic which maintains gut microbiota and improves gut health. The association of gut and brain is named as gut-brain-axis. Gut dysbiosis disrupts gut-brain-axis and effectively contributes to psychiatric disorders. In the present study, Xylo-oligosaccharide (XOS) and Quercetin were used as therapeutic interventions against gut dysbiosis mediated cognitive decline. Gut dysbiosis was established in mice through administration of Ampicillin Sodium, orally for 14 days. XOS and quercetin were administered separately or in combination along with antibiotic. Gene expression studies using mice faecal samples showed both XOS and quercetin could revive Lactobacillus, Bifidobacterium, Firmicutes and Clostridium which were reduced due to antibiotic treatment. FITC-dextran concentration in serum revealed XOS and quercetin protected intestinal barrier integrity against antibiotic associated damage. This was verified by histopathological studies showing restored intestinal architecture. Moreover, intestinal inflammation which increased after antibiotic treated animals was reduced upon XOS and quercetin treatment. Behavioural studies demonstrated that gut dysbiosis reduced fear conditioning, spatial and recognition memory which were reversed upon XOS and quercetin treatment. XOS and quercetin also reduced inflammation and acetylcholine esterase which were heightened in antibiotic treated animal brain. They also reduced oxidative stress, pro-inflammatory cytokines and chemokines and protected hippocampal neurons. In conclusion, XOS and quercetin effectively reduced antibiotic associated gut dysbiosis and prevented gut dysbiosis associated cognitive decline in mice.
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24
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Choden T, Cohen NA. The gut microbiome and the immune system. EXPLORATION OF MEDICINE 2022. [DOI: 10.37349/emed.2022.00087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The human body contains trillions of microbes which generally live in symbiosis with the host. The interaction of the gut microbiome with elements of the host immune system has far-reaching effects in the development of normal gut and systemic immune responses. Disturbances to this intricate relationship may be responsible for a multitude of gastrointestinal and systemic immune mediated diseases. This review describes the development of the gut microbiome and its interaction with host immune cells in both health and disease states.
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Affiliation(s)
- Tenzin Choden
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Nathaniel Aviv Cohen
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL 60637, USA; Inflammatory Bowel Disease Center, Department of Gastroenterology and Liver Diseases, Tel Aviv Medical Center, Tel Aviv 6423906, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
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25
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Barratt MJ, Nuzhat S, Ahsan K, Frese SA, Arzamasov AA, Sarker SA, Islam MM, Palit P, Islam MR, Hibberd MC, Nakshatri S, Cowardin CA, Guruge JL, Byrne AE, Venkatesh S, Sundaresan V, Henrick B, Duar RM, Mitchell RD, Casaburi G, Prambs J, Flannery R, Mahfuz M, Rodionov DA, Osterman AL, Kyle D, Ahmed T, Gordon JI. Bifidobacterium infantis treatment promotes weight gain in Bangladeshi infants with severe acute malnutrition. Sci Transl Med 2022; 14:eabk1107. [PMID: 35417188 PMCID: PMC9516695 DOI: 10.1126/scitranslmed.abk1107] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Disrupted development of the gut microbiota is a contributing cause of childhood malnutrition. Bifidobacterium longum subspecies infantis is a prominent early colonizer of the infant gut that consumes human milk oligosaccharides (HMOs). We found that the absolute abundance of Bifidobacterium infantis is lower in 3- to 24-month-old Bangladeshi infants with severe acute malnutrition (SAM) compared to their healthy age-matched counterparts. A single-blind, placebo-controlled trial (SYNERGIE) was conducted in 2- to 6-month-old Bangladeshi infants with SAM. A commercial U.S. donor-derived B. infantis strain (EVC001) was administered daily with or without the HMO lacto-N-neotetraose for 28 days. This intervention increased fecal B. infantis abundance in infants with SAM, although to levels still 10- to 100-fold lower than in untreated healthy controls. EVC001 treatment promoted weight gain that was associated with reduced intestinal inflammation markers in infants with SAM. We cultured fecal B. infantis strains from Bangladeshi infants and colonized gnotobiotic mice with these cultured strains. The gnotobiotic mice were fed a diet representative of that consumed by 6-month-old Bangladeshi infants, with or without HMO supplementation. One B. infantis strain, Bg_2D9, expressing two gene clusters involved in uptake and utilization of N-glycans and plant-derived polysaccharides, exhibited superior fitness over EVC001. The fitness advantage of Bg_2D9 was confirmed in a gnotobiotic mouse model of mother-to-infant gut microbiota transmission where dams received a pretreatment fecal community from a SAM infant in the SYNERGIE trial. Whether Bg_2D9 is superior to EVC001 for treating malnourished infants who consume a diet with limited breastmilk requires further clinical testing.
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Affiliation(s)
- Michael J. Barratt
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Sharika Nuzhat
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Kazi Ahsan
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Steven A. Frese
- Evolve BioSystems, Inc., Davis, CA 95618 USA
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE 68588 USA
| | - Aleksandr A. Arzamasov
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037 USA
| | - Shafiqul Alam Sarker
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - M. Munirul Islam
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Parag Palit
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Md Ridwan Islam
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Matthew C. Hibberd
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Swetha Nakshatri
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Carrie A. Cowardin
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Janaki L. Guruge
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Alexandra E. Byrne
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Siddarth Venkatesh
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Vinaik Sundaresan
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Bethany Henrick
- Evolve BioSystems, Inc., Davis, CA 95618 USA
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE 68588 USA
| | | | | | | | | | | | - Mustafa Mahfuz
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Dmitry A. Rodionov
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037 USA
- A.A. Kharkevich Institute for Information Transmission Problems, Russian Academy of Sciences, Moscow 127994 Russia
| | - Andrei L. Osterman
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037 USA
| | - David Kyle
- Evolve BioSystems, Inc., Davis, CA 95618 USA
| | - Tahmeed Ahmed
- International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka 1212, Bangladesh
| | - Jeffrey I. Gordon
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110 USA
- Center for Gut Microbiome and Nutrition Research, Washington University School of Medicine, St. Louis, MO 63110 USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110 USA
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26
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Venardou B, O'Doherty JV, Maher S, Ryan MT, Gath V, Ravindran R, Kiely C, Rajauria G, Garcia-Vaquero M, Sweeney T. Potential of a fucoidan-rich Ascophyllum nodosum extract to reduce Salmonella shedding and improve gastrointestinal health in weaned pigs naturally infected with Salmonella. J Anim Sci Biotechnol 2022; 13:39. [PMID: 35369884 PMCID: PMC8978420 DOI: 10.1186/s40104-022-00685-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 02/04/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Dietary supplementation with a fucoidan-rich Ascophyllum nodosum extract (ANE), possessing an in vitro anti-Salmonella Typhimurium activity could be a promising on-farm strategy to control Salmonella infection in pigs. The objectives of this study were to: 1) evaluate the anti-S. Typhimurium activity of ANE (containing 46.6% fucoidan, 18.6% laminarin, 10.7% mannitol, 4.6% alginate) in vitro, and; 2) compare the effects of dietary supplementation with ANE and Zinc oxide (ZnO) on growth performance, Salmonella shedding and selected gut parameters in naturally infected pigs. This was established post-weaning (newly weaned pig experiment) and following regrouping of post-weaned pigs and experimental re-infection with S. Typhimurium (challenge experiment). RESULTS In the in vitro assay, increasing ANE concentrations led to a linear reduction in S. Typhimurium counts (P < 0.05). In the newly weaned pig experiment (12 replicates/treatment), high ANE supplementation increased gain to feed ratio, similar to ZnO supplementation, and reduced faecal Salmonella counts on d 21 compared to the low ANE and control groups (P < 0.05). The challenge experiment included thirty-six pigs from the previous experiment that remained on their original dietary treatments (control and high ANE groups with the latter being renamed to ANE group) apart from the ZnO group which transitioned onto a control diet on d 21 (ZnO-residual group). These dietary treatments had no effect on performance, faecal scores, Salmonella shedding or colonic and caecal Salmonella counts (P > 0.05). ANE supplementation decreased the Enterobacteriaceae counts compared to the control. Enterobacteriaceae counts were also reduced in the ZnO-residual group compared to the control (P < 0.05). ANE supplementation decreased the expression of interleukin 22 and transforming growth factor beta 1 in the ileum compared to the control (P < 0.05). CONCLUSIONS ANE supplementation was associated with some beneficial changes in the composition of the colonic microbiota, Salmonella shedding, and the expression of inflammatory genes associated with persistent Salmonella infection.
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Affiliation(s)
- Brigkita Venardou
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - John V O'Doherty
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Shane Maher
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Marion T Ryan
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - Vivian Gath
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - Rajeev Ravindran
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Claire Kiely
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Gaurav Rajauria
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Marco Garcia-Vaquero
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Torres Sweeney
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland.
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27
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Kwak MJ, Choi SW, Choi YS, Lee H, Park MY, Whang KY. Effects of Sophorolipid on Growth Performance, Organ Characteristics, Lipid Digestion Markers, and Gut Functionality and Integrity in Broiler Chickens. Animals (Basel) 2022; 12:ani12050635. [PMID: 35268204 PMCID: PMC8909290 DOI: 10.3390/ani12050635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 11/18/2022] Open
Abstract
Simple Summary Availability of dietary fat and oil is important to broiler chicken due to their rapid growth rate. Therefore, we conducted an experiment with dietary sophorolipid, a glycolipid-type emulsifier, to investigate growth, lipid digestion markers and gut health during the growing period. Growth was accelerated by dietary sophorolipid supplementation through upregulation of lipid digestion and absorption markers. Additionally, dietary sophorolipid also increased the surface area of the gut and modulated microbial population and short-chain fatty acid concentration. Collectively, this study proposed that sophorolipid addition in feed could enhance chicken’s growth by increased intestinal absorption of dietary lipid and improved gut microenvironments. Abstract Dietary fat and oil could aid in reaching the high-energy requirements of fast-growing birds; however, these inclusions could lead to nutrient waste. This is because young birds have limited lipid digestion due to the low secretion of lipase and bile salt. Sophorolipid (SPL), a glycolipid emulsifier with lower toxicity and higher biodegradability, can upregulate fat utilization by increasing digestibility. Accordingly, a five-week-long experiment was conducted with 720 one-day-old chicks (Ross 308) to investigate the effects of dietary SPL on growth, organ characteristics, and gut health. The allotment was partitioned into four treatment groups according to their body weight with six replications (30 chick/pen). The three treatment diets comprised a basal diet with a formulation that met the Ross 308 standard and 5, 10, and 15 ppm SPL in the basal diet. During the experiment, the birds had free access to feed, and body weight and feed intake were measured at the end of each phase. Chickens were put down at the end of the growing and finishing phases, and jejunum and cecal samples were obtained to investigate organ characteristics and gut environments. The data were analyzed using the generalized linear model procedures of SAS 9.4, and all data were assessed for linear, quadratic, and cubic effects of dietary SPL-supplemented dosages. Body weight was significantly increased with 10 ppm of SPL supplementation in the grower phase without affecting feed efficiency. The relative weights of the intestine and the bursa of Fabricius were quadratically decreased by SPL supplementation with a lower population of Streptococcus and higher propionate and butyrate concentrations. Additionally, the dietary SPL supplementation groups showed a significantly increased villus/crypt ratio with higher intestinal expression levels of fatty acid translocase, diacylglycerol acyltransferase 2, and fatty acid transporter 4. Collectively, proper SPL supplementation in the chicken diet could improve growth performance by down-regulating immune modulation and up-regulating lipid digestion and absorption via modulation of gut microenvironments.
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Affiliation(s)
- Min-Jin Kwak
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (M.-J.K.); (S.-W.C.); (Y.-S.C.); (M.-Y.P.)
- Division of Interdisciplinary Program in Precision Public Health (BK21 FOUR Program), Department of Biomedical Engineering, Korea University, Seoul 02841, Korea
| | - Sun-Woo Choi
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (M.-J.K.); (S.-W.C.); (Y.-S.C.); (M.-Y.P.)
| | - Yong-Soon Choi
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (M.-J.K.); (S.-W.C.); (Y.-S.C.); (M.-Y.P.)
| | - Hanbae Lee
- Pathway Intermediates, Seoul 02841, Korea;
| | - Min-Young Park
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (M.-J.K.); (S.-W.C.); (Y.-S.C.); (M.-Y.P.)
| | - Kwang-Youn Whang
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (M.-J.K.); (S.-W.C.); (Y.-S.C.); (M.-Y.P.)
- Correspondence: ; Tel.: +82-2-3290-3492
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28
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Chaaban H, Patel MM, Burge K, Eckert JV, Lupu C, Keshari RS, Silasi R, Regmi G, Trammell M, Dyer D, McElroy SJ, Lupu F. Early Antibiotic Exposure Alters Intestinal Development and Increases Susceptibility to Necrotizing Enterocolitis: A Mechanistic Study. Microorganisms 2022; 10:519. [PMID: 35336095 PMCID: PMC8951210 DOI: 10.3390/microorganisms10030519] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 12/24/2022] Open
Abstract
Increasing evidence suggests that prolonged antibiotic therapy in preterm infants is associated with increased mortality and morbidities, such as necrotizing enterocolitis (NEC), a devastating gastrointestinal pathology characterized by intestinal inflammation and necrosis. While a clinical correlation exists between antibiotic use and the development of NEC, the potential causality of antibiotics in NEC development has not yet been demonstrated. Here, we tested the effects of systemic standard-of-care antibiotic therapy for ten days on intestinal development in neonatal mice. Systemic antibiotic treatment impaired the intestinal development by reducing intestinal cell proliferation, villi height, crypt depth, and goblet and Paneth cell numbers. Oral bacterial challenge in pups who received antibiotics resulted in NEC-like intestinal injury in more than half the pups, likely due to a reduction in mucous-producing cells affecting microbial-epithelial interactions. These data support a novel mechanism that could explain why preterm infants exposed to prolonged antibiotics after birth have a higher incidence of NEC and other gastrointestinal disorders.
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Affiliation(s)
- Hala Chaaban
- Department of Pediatrics, Division of Neonatology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (K.B.); (J.V.E.)
| | - Maulin M. Patel
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
| | - Kathryn Burge
- Department of Pediatrics, Division of Neonatology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (K.B.); (J.V.E.)
| | - Jeffrey V. Eckert
- Department of Pediatrics, Division of Neonatology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (K.B.); (J.V.E.)
| | - Cristina Lupu
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
| | - Ravi S. Keshari
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
| | - Robert Silasi
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
| | - Girija Regmi
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
| | - MaJoi Trammell
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73014, USA; (M.T.); (D.D.)
| | - David Dyer
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73014, USA; (M.T.); (D.D.)
| | - Steven J. McElroy
- Department of Pediatrics, UC Davis Health, Sacramento, CA 95817, USA;
| | - Florea Lupu
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (M.M.P.); (C.L.); (R.S.K.); (R.S.); (G.R.); (F.L.)
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Verma J, Sankar MJ, Atmakuri K, Agarwal R, Das B. Gut microbiome dysbiosis in neonatal sepsis. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2022; 192:125-147. [DOI: 10.1016/bs.pmbts.2022.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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O’Brien CE, Meier AK, Cernioglo K, Mitchell RD, Casaburi G, Frese SA, Henrick BM, Underwood MA, Smilowitz JT. Early probiotic supplementation with B. infantis in breastfed infants leads to persistent colonization at 1 year. Pediatr Res 2022; 91:627-636. [PMID: 33762689 PMCID: PMC8460680 DOI: 10.1038/s41390-020-01350-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 12/17/2020] [Accepted: 12/20/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Recent studies have reported a dysfunctional gut microbiome in breastfed infants. Probiotics have been used in an attempt to restore the gut microbiome; however, colonization has been transient, inconsistent among individuals, or has not positively impacted the host's gut. METHODS This is a 2-year follow-up study to a randomized controlled trial wherein 7-day-old infants received 1.8 × 1010 colony-forming unit Bifidobacterium longum subsp. infantis (B. infantis) EVC001 (EVC) daily for 21 days or breast milk alone (unsupplemented (UNS)). In the follow-up study, mothers (n = 48) collected infant stool at 4, 6, 8, 10, and 12 months postnatal and completed the health-diet questionnaires. RESULTS Fecal B. infantis was 2.5-3.5 log units higher at 6-12 months in the EVC group compared with the UNS group (P < 0.01) and this relationship strengthened with the exclusion of infants who consumed infant formula and antibiotics. Infants in the EVC group had significantly higher Bifidobacteriaceae and lower Bacteroidaceae and Lachnospiraceae (P < 0.05). There were no differences in any health conditions between the two groups. CONCLUSIONS Probiotic supplementation with B. infantis within the first month postnatal, in combination with breast milk, resulted in stable colonization that persisted until at least 1 year postnatal. IMPACT A dysfunctional gut microbiome in breastfed infants is common in resource-rich nations and associated with an increased risk of immune diseases. Probiotics only transiently exist in the gut without persistent colonization or altering the gut microbiome. This is the first study to show that early probiotic supplementation with B. infantis with breast milk results in stable colonization of B. infantis and improvements to the gut microbiome 1 year postnatal. This study addresses a key gap in the literature whereby probiotics can restore the gut microbiome if biologically selected microorganisms are matched with their specific food in an open ecological niche.
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Affiliation(s)
- Claire E. O’Brien
- grid.27860.3b0000 0004 1936 9684Department of Food Science and Technology, University of California Davis, Davis, CA USA ,grid.27860.3b0000 0004 1936 9684Foods for Health Institute, University of California Davis, Davis, CA USA
| | - Anna K. Meier
- grid.27860.3b0000 0004 1936 9684Department of Food Science and Technology, University of California Davis, Davis, CA USA ,grid.27860.3b0000 0004 1936 9684Foods for Health Institute, University of California Davis, Davis, CA USA
| | - Karina Cernioglo
- grid.27860.3b0000 0004 1936 9684Department of Food Science and Technology, University of California Davis, Davis, CA USA ,grid.27860.3b0000 0004 1936 9684Foods for Health Institute, University of California Davis, Davis, CA USA
| | | | | | - Steven A. Frese
- grid.266818.30000 0004 1936 914XDepartment of Nutrition, University of Nevada, Reno, Reno, NV 89557 USA ,grid.24434.350000 0004 1937 0060Department of Food Science and Technology, University of Nebraska, Lincoln, NE USA
| | - Bethany M. Henrick
- Evolve BioSystems, Inc., Davis, CA USA ,grid.24434.350000 0004 1937 0060Department of Food Science and Technology, University of Nebraska, Lincoln, NE USA
| | - Mark A. Underwood
- grid.27860.3b0000 0004 1936 9684Department of Pediatrics, University of California Davis Children’s Hospital, Sacramento, CA USA
| | - Jennifer T. Smilowitz
- grid.27860.3b0000 0004 1936 9684Department of Food Science and Technology, University of California Davis, Davis, CA USA ,grid.27860.3b0000 0004 1936 9684Foods for Health Institute, University of California Davis, Davis, CA USA
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Venardou B, O’Doherty JV, Garcia-Vaquero M, Kiely C, Rajauria G, McDonnell MJ, Ryan MT, Sweeney T. Evaluation of the Antibacterial and Prebiotic Potential of Ascophyllum nodosum and Its Extracts Using Selected Bacterial Members of the Pig Gastrointestinal Microbiota. Mar Drugs 2021; 20:41. [PMID: 35049896 PMCID: PMC8778111 DOI: 10.3390/md20010041] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/28/2022] Open
Abstract
Ascophyllum nodosum and its extracts are promising antibacterial and prebiotic dietary supplements for pigs. The objectives of this study were to evaluate the effects of the increasing concentrations of: (1) two whole biomass samples of A. nodosum with different harvest seasons, February (ANWB-F) and November (ANWB-N), in a weaned pig faecal batch fermentation assay, and (2) A. nodosum extracts produced using four different extraction conditions of a hydrothermal-assisted extraction methodology (ANE1-4) and conventional extraction methods with water (ANWE) and ethanol (ANEE) as solvent in individual pure culture growth assays using a panel of beneficial and pathogenic bacterial strains. In the batch fermentation assay, ANWB-F reduced Bifidobacterium spp. counts (p < 0.05) while ANWB-N increased total bacterial counts and reduced Bifidobacterium spp. and Enterobacteriaceae counts (p < 0.05). Of the ANE1-4, produced from ANWB-F, ANWE and ANEE that were evaluated in the pure culture growth assays, the most interesting extracts were the ANE1 that reduced Salmonella Typhimurium, enterotoxigenic Escherichia coli and B. thermophilum counts and the ANE4 that stimulated B. thermophilum growth (p < 0.05). In conclusion, the extraction method and conditions influenced the bioactivities of the A. nodosum extracts with ANE1 and ANE4 exhibiting distinct antibacterial and prebiotic properties in vitro, respectively, that merit further exploration.
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Affiliation(s)
- Brigkita Venardou
- School of Veterinary Medicine, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (B.V.); (M.T.R.)
| | - John V. O’Doherty
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (J.V.O.); (M.G.-V.); (C.K.); (G.R.); (M.J.M.)
| | - Marco Garcia-Vaquero
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (J.V.O.); (M.G.-V.); (C.K.); (G.R.); (M.J.M.)
| | - Claire Kiely
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (J.V.O.); (M.G.-V.); (C.K.); (G.R.); (M.J.M.)
| | - Gaurav Rajauria
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (J.V.O.); (M.G.-V.); (C.K.); (G.R.); (M.J.M.)
| | - Mary J. McDonnell
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (J.V.O.); (M.G.-V.); (C.K.); (G.R.); (M.J.M.)
| | - Marion T. Ryan
- School of Veterinary Medicine, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (B.V.); (M.T.R.)
| | - Torres Sweeney
- School of Veterinary Medicine, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland; (B.V.); (M.T.R.)
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de Oliveira Matheus LF, Risolia LW, Ernandes MC, de Souza JM, Oba PM, Vendramini THA, Pedrinelli V, Henríquez LBF, de Oliveira Massoco C, Pontieri CFF, Brunetto MA. Effects of Saccharomyces cerevisiae cell wall addition on feed digestibility, fecal fermentation and microbiota and immunological parameters in adult cats. BMC Vet Res 2021; 17:351. [PMID: 34784923 PMCID: PMC8596940 DOI: 10.1186/s12917-021-03049-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 09/26/2021] [Indexed: 11/25/2022] Open
Abstract
Background This study aimed to evaluate the effects of increasing dosages of a commercial product composed by Saccharomyces cerevisiae yeast (YAM), with active metabolites, which are beta glucans, nucleotides, organic acids, polyphenols, amino acids, vitamins and minerals (Original XPCtm, Diamond V, IOWA, USA) added to a commercially available dry cat food. Apparent digestibility of dietary nutrients, fecal microbiota, fecal fermentation products and immunological parameters were evaluated. Twenty-seven healthy cats of mixed sexes, with a mean body weight of 4.19 ± 0.83 kg and a mean age of 9.44 ± 5.35 years were distributed by age in an unbalanced randomized block design, consisting of three experimental treatments: CD (control diet), YAM 0.3 (control diet with 0.3% yeast with active metabolites) and YAM 0.6 (control diet with 0.6% yeast with active metabolites). Results The inclusion of the additive elevated the apparent digestibility of crude fiber (p = 0.013) and ash (p < 0.001) without interfering feed consumption, fecal production and fecal characteristics. Regarding fermentation products present in the feces, prebiotic inclusion increased lactic acid concentration (p = 0.004) while reducing isovaleric acid (p = 0.014), only in the treatment YAM 0.3. No differences were noticed on biogenic amines (BA), fecal pH, ammonia concentration, total and individuals short-chain fatty acids (SCFA) and total and individuals branched-chain fatty acids (BCFA) (except isovaleric acid in YAM 0.3). As regards to fecal microbiota, prebiotic inclusion has resulted in the reduction of Clostridium perfringens (p = 0.023). No differences were found in the immunological parameters evaluated. Conclusion It can be concluded that the additive, at the levels of inclusion assessed shows prebiotic potential and it has effects on fecal fermentation products and microbiota without interfering on crude protein and dry matter digestibility. More studies evaluating grater inclusion levels of the prebiotic are necessary to determine optimal concentration.
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Affiliation(s)
- Laura Fantucci de Oliveira Matheus
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Larissa Wunsche Risolia
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Mariane Ceschin Ernandes
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Johnny Maciel de Souza
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Patrícia Massae Oba
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, 120, 7 W Gregory Dr, Urbana, IL, 61801, USA
| | - Thiago Henrique Annibale Vendramini
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Vivian Pedrinelli
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Lucas Ben Fiuza Henríquez
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | - Cristina de Oliveira Massoco
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil
| | | | - Marcio Antonio Brunetto
- School of Veterinary Medicine and Animal Science, University of São Paulo, 87, Prof. Orlando Marques de Paiva Ave, São Paulo, São Paulo, 05508270, Brazil.
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Lee CC, Feng Y, Yeh YM, Lien R, Chen CL, Zhou YL, Chiu CH. Gut Dysbiosis, Bacterial Colonization and Translocation, and Neonatal Sepsis in Very-Low-Birth-Weight Preterm Infants. Front Microbiol 2021; 12:746111. [PMID: 34690993 PMCID: PMC8529156 DOI: 10.3389/fmicb.2021.746111] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/08/2021] [Indexed: 01/14/2023] Open
Abstract
Gut dysbiosis may precede neonatal sepsis, but the association is still not well-understood. The goal of this study is to investigate the association between gut microbiota and neonatal sepsis, and to seek the evidence of colonization of pathogenic bacteria in the gut before evolving into an invasive infection. A prospective cohort study examined fecal microbiota composition in preterm infants with and without sepsis. Thirty-two very-low-birth-weight (VLBW) preterm infants and 10 healthy term infants as controls were enrolled. The fecal samples collected from the participants at the first, fourth, and seventh weeks of life underwent 16S rRNA amplicon sequencing for measurement of the diversity and composition of the microbiota. The bacterial isolates causing neonatal sepsis were genome sequenced. PCR was performed to confirm the translocation of the bacteria from the gut to the blood. The results showed that VLBW preterm infants with sepsis had lower microbial diversity in the gut at birth compared to preterm infants without sepsis and term infants. The composition of gut microbiome in preterm infants was similar to healthy terms at birth but evolved toward dysbiosis with increasing Proteobacteria and decreasing Firmicutes weeks later. The strain-specific PCR confirmed the presence of causative pathogens in the gut in 4 (40%) out of 10 VLBW preterms with sepsis before or at onset of sepsis, and persistence of the colonization for weeks after antibiotic treatment. The same bacterial strain could horizontally spread to cause infection in other infants. Prolonged antibiotic exposure significantly reduced beneficial Bifidobacterium and Lactobacillus in the gut. In conclusion, preterm infants with gut dysbiosis are at risk for neonatal sepsis, and the causative pathogens may be from the gut and persist to spread horizontally. The association of increased Proteobacteria abundance and decrease in microbiome diversity suggests the need for interventions targeting the gut microbiome to prevent dysbiosis and sepsis in VLBW preterm infants.
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Affiliation(s)
- Chien-Chung Lee
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ye Feng
- Sir Run Run Shaw Hospital, Institute for Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuan-Ming Yeh
- Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Reyin Lien
- Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Chyi-Liang Chen
- Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ying-Li Zhou
- Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Cheng-Hsun Chiu
- Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Division of Pediatric Infectious Diseases, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, Taiwan
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Terahara M, Nakamura Y, Tsuboi M, Jinno S, Tsukahara T, Miyake T, Shimojo N. Effects of the intake of non-live Bifidobacterium bifidum on the faecal IgA of full-term infants: a double-blind, randomised, placebo-controlled study. BIOSCIENCE OF MICROBIOTA FOOD AND HEALTH 2021; 40:196-203. [PMID: 34631331 PMCID: PMC8484005 DOI: 10.12938/bmfh.2021-018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 07/19/2021] [Indexed: 02/04/2023]
Abstract
Bifidobacterium bifidum OLB6378 (OLB6378) was selected as a strain that
enhances the production of secretory immunoglobulin A (IgA) in vitro.
This ability of non-live OLB6378 has been shown by a clinical trial in preterm infants. In
the present study, we examined whether non-live OLB6378 also enhances the production of
secretory IgA, even in full-term infants. One hundred full-term infants were allocated to
receive formula with (BbF group, 49 infants) or without non-live OLB6378 (PF group, 51
infants). Breastfeeding was prioritised, so infant formula was used for infants with
breastfeeding difficulties. The intervention was initiated by five days of age. The faecal
IgA concentration and OLB6378 level were determined at one, two, four, and eight weeks of
age. Faecal IgA in the BbF group (1.04 ± 0.47 mg/g of faeces, n=45) was significantly
higher than that in the PF group (0.85 ± 0.42 mg/g of faeces, n=49) at four weeks of age
(p=0.047). OLB6378 was not detected in faeces at any age. This indicated that production
of secretory IgA in full-term infants may also be enhanced by non-live OLB6378 intake.
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Affiliation(s)
- Masaki Terahara
- R&D Management Department, Meiji Co., Ltd., 1-29-1 Nanakuni, Hachioji, Tokyo 192-0919, Japan
| | - Yoshitaka Nakamura
- Food Microbiology and Function Research Laboratories, Meiji Co., Ltd., 1-29-1 Nanakuni, Hachioji, Tokyo 192-0919, Japan
| | - Misato Tsuboi
- Food Microbiology and Function Research Laboratories, Meiji Co., Ltd., 1-29-1 Nanakuni, Hachioji, Tokyo 192-0919, Japan
| | - Shinji Jinno
- Food Microbiology and Function Research Laboratories, Meiji Co., Ltd., 1-29-1 Nanakuni, Hachioji, Tokyo 192-0919, Japan
| | - Takamitsu Tsukahara
- Kyoto Institute of Nutrition & Pathology Inc., 7-2 Furuiketani, Tachikawa, Ujitawara, Tsuzuki-gun, Kyoto 610-0231, Japan
| | - Takao Miyake
- Miyake Women's Clinic, 1-18-5 Oyuminochuo, Midori-ku, Chiba-shi, Chiba 266-0032, Japan
| | - Naoki Shimojo
- Center for Preventive Medical Sciences, Chiba University, 1-33 Yayoicho, Inage-ku, Chiba-shi, Chiba 263-8522, Japan
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Kakiuchi T, Tanaka Y, Ohno H, Matsuo M, Fujimoto K. Helicobacter pylori infection-induced changes in the intestinal microbiota of 14-year-old or 15-year-old Japanese adolescents: a cross-sectional study. BMJ Open 2021; 11:e047941. [PMID: 34215607 PMCID: PMC8256750 DOI: 10.1136/bmjopen-2020-047941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE The relationship between Helicobacter pylori and the intestinal microbiota has not yet been clearly demonstrated in children and adolescents. The present study aimed at evaluating how H. pylori infection could affect the intestinal microbiota in adolescents using genetic analysis. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS We included subjects from a longitudinal project involving H. pylori screening and treatment of junior high school third-grade students (aged 14 or 15 years) in Saga Prefecture. The study included a control group (n=79) and an H. pylori group (n=80) tested negative and positive for the anti-H. pylori antibody in the urine and H. pylori antigen in stool specimens, respectively. INTERVENTIONS The intestinal microbiota was evaluated in stool specimens using 16S rRNA gene/DNA/amplicon sequencing with next-generation sequencing. PRIMARY AND SECONDARY OUTCOME MEASURES We assessed alpha and beta diversity, just as well as relative abundances within the bacterial composition at the genus level in both groups. RESULTS As shown by the alpha diversity of the 16S rRNA gene/DNA/amplicon sequence data, the control group exhibited lower microbial species richness with lower alpha diversity compared with the H. pylori group (p<0.001). The beta diversity of the intestinal microbiota profile also differed between the two groups (p<0.01). The relative abundance of the Prevotella genus was higher in the H. pylori group (p<0.01) concomitant with a gain in body mass index (BMI) in the H. pylori group (p<0.01) compared with the control group. CONCLUSION H. pylori infection significantly affected the intestinal microbiota in Japanese adolescents. In addition, the prevalence of the Prevotella genus is concomitantly increased along with the BMI in H. pylori-infected students. TRIAL REGISTRATION NUMBER UMIN000028721.
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Affiliation(s)
| | - Yoshiki Tanaka
- R&D Center, Biofermin Pharmaceutical Co Ltd, Kobe, Hyogo, Japan
| | - Hiroshi Ohno
- R&D Center, Biofermin Pharmaceutical Co Ltd, Kobe, Hyogo, Japan
| | | | - Kazuma Fujimoto
- Department of Gastroenterology, International University of Health and Welfare, Ohkawa, Fukuoka, Japan
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Wang L, Bravo-Ruiseco G, Happe R, He T, van Dijl JM, Harmsen HJM. The effect of calcium palmitate on bacteria associated with infant gut microbiota. Microbiologyopen 2021; 10:e1187. [PMID: 34180592 PMCID: PMC8123918 DOI: 10.1002/mbo3.1187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 01/05/2023] Open
Abstract
Gut microbiota development in formula-fed and breast-fed infants is known to differ. This could relate to the usage of unmodified vegetable oil instead of mammalian fat in infant formula (IF), causing the enhanced formation of the poorly soluble soap calcium palmitate (CP) in the infant's gut. Here we investigate in vitro the possible influence of CP on the infant gut bacteria. The growth of several bacterial species dominant in the infant's gut was analyzed by culturing in media with CP. Faecalibacterium prausnitzii as a sensitive representative was analyzed in detail by scanning transmission electron microscopy, membrane staining, gas chromatography, and microbial fuel cell experiments. Of all bacteria tested, the growth of several bifidobacteria and F. prausnitzii was reduced at 0.01 mg/ml CP, Bifidobacterium infantis stopped growing completely. CP reduced the cell envelope thickness of F. prausnitzii, disturbed the cell membrane fatty acids and function of membrane proteins involved in electron transport. CP inhibited the growth of bifidobacteria and faecalibacteria. This suggests that modification of fat in IF may benefit the development of the gut microbiota in formula-fed infants by supporting the colonization of important beneficial bacteria in early life. Future clinical studies are needed to confirm this.
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Affiliation(s)
- Lu Wang
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gabriela Bravo-Ruiseco
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | | | - Tao He
- Ausnutria B.V, Zwolle, The Netherlands
| | - Jan Maarten van Dijl
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Collinet A, Grimm P, Julliand S, Julliand V. Sequential Modulation of the Equine Fecal Microbiota and Fibrolytic Capacity Following Two Consecutive Abrupt Dietary Changes and Bacterial Supplementation. Animals (Basel) 2021; 11:ani11051278. [PMID: 33946811 PMCID: PMC8144951 DOI: 10.3390/ani11051278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/23/2021] [Accepted: 04/27/2021] [Indexed: 01/01/2023] Open
Abstract
Simple Summary The equine hindgut is colonized by microorganisms, some of which are involved in fiber digestion and are crucial for the horse’s nutrition and health. These key microorganisms are very sensitive to dietary changes, which have been identified as a risk factor for colics. This study assessed the stressful effect of two consecutive abrupt dietary changes on the diversity, the composition, and the activity of fecal microorganisms focusing on fibrolytic bacteria. Twelve horses were subjected to an abrupt change from forage to a concentrate-rich diet, followed by a second change from a concentrate to forage-rich diet 5 days later. Half of the horses were given a supplement of living bacteria as a probiotic. Two days after the sudden change from forage to concentrate diet, the proportions and types of microorganisms were altered drastically, as was their capacity to degrade fibers. After this dietary stress, it took 3–4 weeks of a high-fiber diet to recover the basal state. Supplementation with probiotics promoted an earlier recovery of fibrolytic bacteria after the dietary stress. Abrupt dietary changes should be limited in horse management to protect the hindgut microorganisms and their capacity to use forage fibers, and consequently to limit the development of colic. Abstract In horses, abrupt changes from high-fiber (HF) to high-starch (HS) diets can affect the cecal and colonic microbiota. This study investigated modifications and recovery of fecal microbiota after two consecutive abrupt dietary changes. Twelve horses fed HF for 2 weeks were changed to HS for 5 days then returned to HF for 7 weeks. Six received lactic acid bacteria supplementation. Bacterial population diversity, structure, and activity, especially fibrolysis, were assessed to obtain an overview of alteration in hindgut microbiota. Two days after the abrupt change from HF to HS, the findings in feces were consistent with those previously reported in the cecum and colon, with a decrease in fibrolytic activity and an increase in amylolytic activity. Fecal parameters stabilized at their basal level 3–4 weeks after the return to HF. A bloom of cellulolytic bacteria and lower pH were observed after 1.5 weeks, suggesting a higher level of fiber degradation. In supplemented horses the relative abundance of potentially fibrolytic genera was enhanced 2 days after HS and 2 days to 2–3 weeks after the return to HF. Fecal analysis could be a promising technique for monitoring hindgut microbial variations accompanying dietary changes.
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Affiliation(s)
- Axelle Collinet
- Lab To Field, 21000 Dijon, France; (A.C.); (P.G.); (S.J.)
- Unité Mixte de Recherche Procédés Alimentaires et Microbiologiques (UMR PAM) A 02.102, AgroSup Dijon, University Bourgogne Franche-Comté, 21000 Dijon, France
| | - Pauline Grimm
- Lab To Field, 21000 Dijon, France; (A.C.); (P.G.); (S.J.)
| | - Samy Julliand
- Lab To Field, 21000 Dijon, France; (A.C.); (P.G.); (S.J.)
| | - Véronique Julliand
- Unité Mixte de Recherche Procédés Alimentaires et Microbiologiques (UMR PAM) A 02.102, AgroSup Dijon, University Bourgogne Franche-Comté, 21000 Dijon, France
- Correspondence:
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Virgínio Júnior GF, Coelho MG, de Toledo AF, Montenegro H, Coutinho LL, Bittar CMM. The Liquid Diet Composition Affects the Fecal Bacterial Community in Pre-weaning Dairy Calves. FRONTIERS IN ANIMAL SCIENCE 2021. [DOI: 10.3389/fanim.2021.649468] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Feeding a liquid diet to the newborn calf has considerable implications for developing the intestinal microbiota, as its composition can shift the population to a highly adapted microbiota. The present work evaluated 15 Holstein calves individually housed and fed one of the three liquid diets: I – whole milk (n = 5), II – milk replacer (22.9% CP; 16.2% fat; diluted to 14% solids; n = 5) and III – acidified whole milk to pH 4.5 with formic acid (n = 5). All animals received 6 L of liquid diet, divided into two meals, being weaned at week 8 of life. Calves also had free access to water and starter concentrate. After weaning, all calves were grouped on pasture, fed with starter concentrate, and hay ad libitum. The fecal samples were collected at birth (0) and at weeks 1, 2, 4, 8, and 10 of life. The bacterial community was assessed the through sequencing of the V3-V4 region of the 16S rRNA gene on the Illumina MiSeq platform and analyzed using the DADA2 pipeline. Diversity indices were not affected by the liquid diets, but by age (P < 0.001) with weeks 1 and 2 presenting lower diversity, evenness, and richness values. The bacterial community structure was affected by diet, age, and the interaction of these factors (P < 0.01). Twenty-eight bacterial phyla were identified in the fecal samples, and the most predominant phyla were Firmicutes (42.35%), Bacteroidota (39.37%), and Proteobacteria (9.36%). The most prevalent genera were Bacteroides (10.71%), Lactobacillus (8.11%), Alloprevotella (6.20%). Over the weeks, different genera were predominant, with some showing significant differences among treatments. The different liquid diets altered the fecal bacterial community during the pre-weaning period. However, differences in the initial colonization due to different liquid diets are alleviated after weaning, when animals share a common environment and solid diet composition.
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Venardou B, O'Doherty JV, Vigors S, O'Shea CJ, Burton EJ, Ryan MT, Sweeney T. Effects of dietary supplementation with a laminarin-rich extract on the growth performance and gastrointestinal health in broilers. Poult Sci 2021; 100:101179. [PMID: 34098504 PMCID: PMC8187820 DOI: 10.1016/j.psj.2021.101179] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 03/26/2021] [Accepted: 03/31/2021] [Indexed: 01/11/2023] Open
Abstract
Restriction in antimicrobial use in broiler chicken production is driving the exploration of alternative feed additives that will support growth through the promotion of gastrointestinal health and development. The objective of this study was to determine the effects of dietary inclusion of laminarin on growth performance, the expression of nutrient transporters, markers of inflammation and intestinal integrity in the small intestine and composition of the caecal microbiota in broiler chickens. Two-hundred-and-forty day-old male Ross 308 broiler chicks (40.64 (3.43 SD) g) were randomly assigned to: (T1) basal diet (control); (T2) basal diet + 150 ppm laminarin; (T3) basal diet + 300 ppm laminarin (5 bird/pen; 16 pens/treatment). The basal diet was supplemented with a laminarin-rich Laminaria spp. extract (65% laminarin) to achieve the two laminarin inclusion levels (150 and 300 ppm). Chick weights and feed intake was recorded weekly. After 35 days of supplementation, one bird per pen from the control and best performing (300 ppm) laminarin groups were euthanized. Duodenal, jejunal and ileal tissues were collected for gene expression analysis. Caecal digesta was collected for microbiota analysis (high-throughput sequencing and QPCR). Dietary supplementation with 300 ppm laminarin increased both final body weight (2033 vs. 1906 ± 30.4, P < 0.05) and average daily gain (62.3 vs. 58.2 ± 0.95, P < 0.05) compared to the control group and average daily feed intake (114.1 vs. 106.0 and 104.5 ± 1.77, P < 0.05) compared to all other groups. Laminarin supplementation at 300 ppm increased the relative and absolute abundance of Bifidobacterium (P < 0.05) in the caecum. Laminarin supplementation increased the expression of interleukin 17A (IL17A) in the duodenum, claudin 1 (CLDN1) and toll-like receptor 2 (TLR2) in the jejunum and IL17A, CLDN1 and SLC15A1/peptide transporter 1 (SLC15A1/PepT1) in the ileum (P < 0.05). In conclusion, supplementation with laminarin is a promising dietary strategy to enhance growth performance and 300 ppm was the optimal inclusion level with which to promote a beneficial profile of the gastrointestinal microbiota in broiler chickens.
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Affiliation(s)
- B Venardou
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - J V O'Doherty
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - S Vigors
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - C J O'Shea
- School of Biosciences, University of Nottingham, Sutton Bonington, LE12 5RD, United Kingdom
| | - E J Burton
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell, NG25 0QF, United Kingdom
| | - M T Ryan
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - T Sweeney
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland.
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Shaterian N, Abdi F, Ghavidel N, Alidost F. Role of cesarean section in the development of neonatal gut microbiota: A systematic review. Open Med (Wars) 2021; 16:624-639. [PMID: 33869784 PMCID: PMC8035494 DOI: 10.1515/med-2021-0270] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 02/06/2023] Open
Abstract
Background The delivery mode is one of the factors affecting the type of colonization of the human gut. Gut colonization affects all stages of the human life cycle, and the type of gut microbiome can contribute to immune system function, the development of some diseases, and brain development; and it has a significant impact on a newborn’s growth and development. Methods Terms defined as MeSH keywords were searched by the databases, and web search engines such as PubMed, ClinicalTrials.gov, Embase, Scopus, ProQuest, Web of Science, and Google Scholar were searched between 2010 and 2020. The quality of each study was assessed according to the Newcastle–Ottawa scale, and seven eligible and high-quality studies were analyzed. Finding The abundances of Bacteroides and Bifidobacterium during the first 3 months of life; Lactobacillus and Bacteroides during the second 3 months of life; Bacteroides and Bifidobacterium during the second 6 months of life; and Bacteroides, Enterobacter, and Streptococcus after the first year of life were higher in vaginal delivery-born infants. While infants born by cesarean section (CS) had higher abundances of Clostridium and Lactobacillus during the first 3 months of life, Enterococcus and Clostridium during the second 3 months of life, and Lactobacillus and Staphylococcus after the first year of life. Discussion Delivery mode can affect the type of the human intestinal microbiota. The CS-born babies had lower colonization rates of Bifidobacterium and Bacteroides, but they had higher colonization rates of Clostridium, Lactobacillus, Enterobacter, Enterococcus, and Staphylococcus. Given the effect of microbiota colonization on neonatal health, it is therefore recommended to conduct further studies in order to investigate the effect of the colonization on the delivery mode and on baby’s growth and development. Application to practice The aim of this study was to investigate the role of CS in the development of the neonatal gut microbiota.
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Affiliation(s)
- Negin Shaterian
- Student Research Committee, Nursing and Midwifery faculty, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Abdi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Nooshin Ghavidel
- Social Determinants of Health Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Farzane Alidost
- Student Research Committee, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
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Collinet A, Grimm P, Julliand S, Julliand V. Multidimensional Approach for Investigating the Effects of an Antibiotic-Probiotic Combination on the Equine Hindgut Ecosystem and Microbial Fibrolysis. Front Microbiol 2021; 12:646294. [PMID: 33841371 PMCID: PMC8027512 DOI: 10.3389/fmicb.2021.646294] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 02/16/2021] [Indexed: 12/11/2022] Open
Abstract
The equine hindgut ecosystem is specialized in dietary fibers' fermentation to provide horses' energy and contribute to its health. Nevertheless, antibiotics are known to disrupt the hindgut microbiota, affecting the fibrolytic activity of bacteria and the intestinal immune balance, leading to diseases. This in vivo study used a general and comprehensive approach for characterizing the hindgut ecosystem of 9 healthy horses over 28 days in response to a 5-day challenge with oral trimethoprim-sulfadiazine (TMS), with a special emphasis on microbial fibrolytic activity and the host immune response. Horses were supplemented with two doses of Lactobacillus acidophilus, Ligilactobacillus salivarius (formerly L. salivarius), and Bifidobacterium lactis blend or a placebo in a 3 × 3 Latin square design. Changes in fecal microbiota were investigated using 16S rRNA sequencing. Clostridioides difficile was quantified in feces using quantitative polymerase chain reaction. Anaerobic microbiological culture was used to enumerate functional bacterial groups (cellulolytic, amylolytic, and lactic acid-utilizing). The environmental dimensions were assessed by measuring the concentrations of volatile fatty acids (VFAs) and lactic acid using biochemical methods, and changes in pH and dry matter weight. Systemic and local inflammation was evaluated by determination of cytokine and immunoglobulin (Ig)A concentrations in the serum and secretory IgA (SIgA) concentrations in the feces using immuno-enzymatic methods. Oral TMS treatment strongly altered the whole hindgut ecosystem by 2 days after the first administration. Bacterial diversity decreased in proportion to the relative abundance of fibrolytic genera, which coincided with the decrease in the concentration of cellulolytic bacteria. At the same time, the composition of microbiota members was reorganized in terms of relative abundances, probably to support the alteration in fibrolysis. C. difficile DNA was not found in these horses, but the relative abundances of several potential pathobiont genera increased. 2 days after the first TMS administration, fecal concentrations of VFAs and SIgA increased in parallel with fecal water content, suggesting an alteration of the integrity of the hindgut mucosa. Recovery in bacterial composition, functions, and immune biomarkers took 2-9 days after the end of TMS administration. Supplementation with this bacterial blend did not limit bacterial alteration but might have interesting mucosal immunomodulatory effects.
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Affiliation(s)
- Axelle Collinet
- Lab To Field, Dijon, France.,Univ. Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, Dijon, France
| | | | | | - Véronique Julliand
- Univ. Bourgogne Franche-Comté, AgroSup Dijon, PAM UMR A 02.102, Dijon, France
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Singh KS, Singh BP, Rokana N, Singh N, Kaur J, Singh A, Panwar H. Bio-therapeutics from human milk: prospects and perspectives. J Appl Microbiol 2021; 131:2669-2687. [PMID: 33740837 DOI: 10.1111/jam.15078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/10/2021] [Accepted: 03/06/2021] [Indexed: 12/12/2022]
Abstract
Human milk is elixir for neonates and is a rich source of nutrients and beneficial microbiota required for infant growth and development. Its benefits prompted research into probing the milk components and their use as prophylactic or therapeutic agents. Culture-independent estimation of milk microbiome and high-resolution identification of milk components provide information, but a holistic purview of these research domains is lacking. Here, we review the current research on bio-therapeutic components of milk and simplified future directions for its efficient usage. Publicly available databases such as PubMed and Google scholar were searched for keywords such as probiotics and prebiotics related to human milk, microbiome and milk oligosaccharides. This was further manually curated for inclusion and exclusion criteria relevant to human milk and clinical efficacy. The literature was classified into subgroups and then discussed in detail to facilitate understanding. Although milk research is still in infancy, it is clear that human milk has many functions including protection of infants by passive immunization through secreted antibodies, and transfer of immune regulators, cytokines and bioactive peptides. Unbiased estimates show that the human milk carries a complex community of microbiota which serves as the initial inoculum for establishment of infant gut. Our search effectively screened for evidence that shows that milk also harbours many types of prebiotics such as human milk oligosaccharides which encourage growth of beneficial probiotics. The milk also trains the naive immune system of the infant by supplying immune cells and stimulatory factors, thereby strengthening mucosal and systemic immune system. Our systematic review would improve understanding of human milk and the inherent complexity and diversity of human milk. The interrelated functional role of human milk components especially the oligosaccharides and microbiome has been discussed which plays important role in human health.
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Affiliation(s)
- K S Singh
- National Centre for Microbial Resource - National Centre for Cell Science, Pune, Maharashtra, India.,Structure and Function of Proteins, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - B P Singh
- Department of Microbiology, School of Science, RK University, Rajkot, Gujarat, India
| | - N Rokana
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, Punjab, India
| | - N Singh
- Department of Biotechnology, Faculty of Engineering and Technology, Rama University, Uttar Pradesh, Kanpur, India
| | - J Kaur
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, Punjab, India
| | - A Singh
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, Punjab, India
| | - H Panwar
- Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Ludhiana, Punjab, India
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Effect of dietary supplementation with oat β-glucan for 3 months in subjects with type 2 diabetes: A randomized, double-blind, controlled clinical trial. J Funct Foods 2021. [DOI: 10.1016/j.jff.2020.104311] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Xin L, He F, Li S, Zhou ZX, Ma XL. Intestinal microbiota and juvenile idiopathic arthritis: current understanding and future prospective. World J Pediatr 2021; 17:40-51. [PMID: 32533534 DOI: 10.1007/s12519-020-00371-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 05/24/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) characterized by arthritis of unknown origin is the most common childhood chronic rheumatic disease, caused by both host genetic factors and environmental triggers. Recent evidence has mounted to focus on the intestinal microbiota, a potentially recognized set of environmental triggers affecting JIA development. Here we offer an overview of recently published animal and human studies that support the impact of intestinal microbiota in JIA. DATA SOURCES We searched PubMed for animal and human studies publications with the search terms "intestinal microbiota or gut microbiota" and "juvenile idiopathic arthritis or juvenile chronic arthritis or juvenile rheumatoid arthritis or childhood rheumatoid arthritis or pediatric rheumatoid arthritis". RESULTS Several comparative studies have demonstrated that intestinal microbial alterations might be triggers in disease pathogenesis. Alternatively, a slice of studies has suggested environmental triggers in early life might disrupt intestinal microbial colonization, including cesarean section, formula feeding, and antibiotic exposure. Aberrant intestinal microbiota may influence the development of JIA by mediating host immune programming and by altering mucosal permeability. CONCLUSIONS Specific microbial factors may contribute to the pathogenesis of JIA. Intensive studies, however, are warranted to investigate the causality between intestinal dysbiosis and JIA and the mechanisms behind these epidemiologic relationships. Studies are also needed to design the best interventional administrations to restore balanced intestinal microbial communities.
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Affiliation(s)
- Le Xin
- Gynecological Minimal Invasive Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Feng He
- Department of Biochemistry and Immunology, Capital Institute of Pediatrics, Yabao Road No. 2, Chaoyang District, Beijing, China
| | - Sen Li
- Department of Biochemistry and Immunology, Capital Institute of Pediatrics, Yabao Road No. 2, Chaoyang District, Beijing, China
| | - Zhi-Xuan Zhou
- Department of Rheumatology, Capital Institute of Pediatrics, Beijing, China
| | - Xiao-Lin Ma
- Department of Rheumatology, Capital Institute of Pediatrics, Beijing, China.
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Casaburi G, Duar RM, Brown H, Mitchell RD, Kazi S, Chew S, Cagney O, Flannery RL, Sylvester KG, Frese SA, Henrick BM, Freeman SL. Metagenomic insights of the infant microbiome community structure and function across multiple sites in the United States. Sci Rep 2021; 11:1472. [PMID: 33479326 PMCID: PMC7820601 DOI: 10.1038/s41598-020-80583-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 12/15/2020] [Indexed: 12/15/2022] Open
Abstract
The gut microbiome plays an important role in early life, protecting newborns from enteric pathogens, promoting immune system development and providing key functions to the infant host. Currently, there are limited data to broadly assess the status of the US healthy infant gut microbiome. To address this gap, we performed a multi-state metagenomic survey and found high levels of bacteria associated with enteric inflammation (e.g. Escherichia, Klebsiella), antibiotic resistance genes, and signatures of dysbiosis, independent of location, age, and diet. Bifidobacterium were less abundant than generally expected and the species identified, including B. breve, B. longum and B. bifidum, had limited genetic capacity to metabolize human milk oligosaccharides (HMOs), while B. infantis strains with a complete capacity for HMOs utilization were found to be exceptionally rare. Considering microbiome composition and functional capacity, this survey revealed a previously unappreciated dysbiosis that is widespread in the contemporary US infant gut microbiome.
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Affiliation(s)
| | | | | | | | - Sufyan Kazi
- Evolve BioSystems, Inc., Davis, CA, 95618, USA
| | | | - Orla Cagney
- Evolve BioSystems, Inc., Davis, CA, 95618, USA
| | | | | | - Steven A Frese
- Evolve BioSystems, Inc., Davis, CA, 95618, USA
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE, 68588, USA
- Department of Nutrition, University of Nevada, Reno, Reno, NV, 89557, USA
| | - Bethany M Henrick
- Evolve BioSystems, Inc., Davis, CA, 95618, USA
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE, 68588, USA
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Cao Y, Liu J, Zhu W, Qin N, Ren X, Zhu B, Xia X. Impact of dietary components on enteric infectious disease. Crit Rev Food Sci Nutr 2021; 62:4010-4035. [PMID: 33455435 DOI: 10.1080/10408398.2021.1871587] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Diets impact host health in multiple ways and an unbalanced diet could contribute to the initiation or progression of a variety of diseases. Although a wealth of information exists on the connections between diet and chronic metabolic diseases such as cardiovascular disease, diabetes mellitus, etc., how diet influences enteric infectious disease still remain underexplored. The review summarizes the current findings on the link between various dietary components and diverse enteric infectious diseases. Dietary ingredients discussed include macronutrients (carbohydrates, lipids, proteins), micronutrients (vitamins, minerals), and other dietary ingredients (phytonutrients and probiotic supplements). We first describe the importance of enteric infectious diseases and the direct and indirect relationship between diet and enteric infectious diseases. Then we discuss the effects of different dietary components on the susceptibility to or progression of enteric infectious disease. Finally, we delineate current knowledge gap and highlighted future research directions. The literature review revealed that different dietary components affect host resistance to enteric infections through a variety of mechanisms. Dietary components may directly inhibit or bind to enteric pathogens, or indirectly influence enteric infections through modulating immune function and gut microbiota. Elucidating the unique repercussions of different diets on enteric infections in this review may help provide dietary guidelines or design dietary interventions to prevent or alleviate enteric infectious diseases.
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Affiliation(s)
- Yu Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Jiaxiu Liu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Wenxiu Zhu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Ningbo Qin
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Xiaomeng Ren
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Beiwei Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
| | - Xiaodong Xia
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning, China
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Verduci E, Mameli C, Amatruda M, Petitti A, Vizzuso S, El Assadi F, Zuccotti G, Alabduljabbar S, Terranegra A. Early Nutrition and Risk of Type 1 Diabetes: The Role of Gut Microbiota. Front Nutr 2021; 7:612377. [PMID: 33425976 PMCID: PMC7785819 DOI: 10.3389/fnut.2020.612377] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
Type 1 diabetes (T1D) appears most frequently in childhood, with an alarming increasing incidence in the last decades. Although the genetic predisposition is a major risk factor, it cannot solely explain the complex etiology of T1D which is still not fully understood. In this paper, we reviewed the most recent findings on the role of early nutrition and the involvement of the gut microbiota in the etiopathogenesis of T1D. The main conclusions that are withdrawn from the current literature regarding alleviating the risk of developing T1D through nutrition are the encouragement of long-term breast-feeding for at least the first 6 months of life and the avoidance of early complementary foods and gluten introduction (before 4 months of age) as well as cow milk introduction before 12 months of life. These detrimental feeding habits create a gut microbiota dysbiotic state that can contribute to the onset of T1D in infancy. Finally, we discussed the possibility to introduce probiotics, prebiotics and post-biotics in the prevention of T1D.
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Affiliation(s)
- Elvira Verduci
- Department of Pediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy.,Department of Health Sciences, University of Milan, Milan, Italy
| | - Chiara Mameli
- Department of Pediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Matilde Amatruda
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Agnese Petitti
- Department of Pediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Sara Vizzuso
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Farah El Assadi
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Gianvincenzo Zuccotti
- Department of Pediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
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Gut-brain axis: A matter of concern in neuropsychiatric disorders…! Prog Neuropsychopharmacol Biol Psychiatry 2021; 104:110051. [PMID: 32758517 DOI: 10.1016/j.pnpbp.2020.110051] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/25/2020] [Accepted: 07/26/2020] [Indexed: 01/09/2023]
Abstract
The gut microbiota is composed of a large number of microbes, usually regarded as commensal bacteria. It has become gradually clear that gastrointestinal microbiota affects gut pathophysiology and the central nervous system (CNS) function by modulating the signaling pathways of the microbiota-gut-brain (MGB) axis. This bidirectional MGB axis communication primarily acts through neuroendocrine, neuroimmune, and autonomic nervous systems (ANS) mechanisms. Accumulating evidence reveals that gut microbiota interacts with the host brain, and its modulation may play a critical role in the pathology of neuropsychiatric disorders. Recently, neuroscience research has established the significance of gut microbiota in the development of brain systems that are essential to stress-related behaviors, including depression and anxiety. Application of modulators of the MGB, such as psychobiotics (e.g., probiotics), prebiotics, and specific diets, may be a promising therapeutic approach for neuropsychiatric disorders. The present review article primarily focuses on the relevant features of the disturbances of the MGB axis in the pathophysiology of neuropsychiatric disorders and its potential mechanisms.
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Egan M, Dempsey E, Ryan CA, Ross RP, Stanton C. The Sporobiota of the Human Gut. Gut Microbes 2021; 13:1-17. [PMID: 33406976 PMCID: PMC7801112 DOI: 10.1080/19490976.2020.1863134] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/01/2020] [Accepted: 12/04/2020] [Indexed: 02/04/2023] Open
Abstract
The human gut microbiome is a diverse and complex ecosystem that plays a critical role in health and disease. The composition of the gut microbiome has been well studied across all stages of life. In recent years, studies have investigated the production of endospores by specific members of the gut microbiome. An endospore is a tough, dormant structure formed by members of the Firmicutes phylum, which allows for greater resistance to otherwise inhospitable conditions. This innate resistance has consequences for human health and disease, as well as in biotechnology. In particular, the formation of endospores is strongly linked to antibiotic resistance and the spread of antibiotic resistance genes, also known as the resistome. The term sporobiota has been used to define the spore-forming cohort of a microbial community. In this review, we present an overview of the current knowledge of the sporobiota in the human gut. We discuss the development of the sporobiota in the infant gut and the perinatal factors that may have an effect on vertical transmission from mother to infant. Finally, we examine the sporobiota of critically important food sources for the developing infant, breast milk and powdered infant formula.
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Affiliation(s)
- Muireann Egan
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Eugene Dempsey
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Neonatology, Cork University Maternity Hospital, Cork, Ireland
| | - C. Anthony Ryan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Neonatology, Cork University Maternity Hospital, Cork, Ireland
| | - R. Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Catherine Stanton
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
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50
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Olshan KL, Leonard MM, Serena G, Zomorrodi AR, Fasano A. Gut microbiota in Celiac Disease: microbes, metabolites, pathways and therapeutics. Expert Rev Clin Immunol 2020; 16:1075-1092. [PMID: 33103934 DOI: 10.1080/1744666x.2021.1840354] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Current evidence supports a vital role of the microbiota on health outcomes, with alterations in an otherwise healthy balance linked to chronic medical conditions like celiac disease (CD). Recent advances in microbiome analysis allow for unparalleled profiling of the microbes and metabolites. With the growing volume of data available, trends are emerging that support a role for the gut microbiota in CD pathogenesis. AREAS COVERED In this article, the authors review the relationship between factors such as genes and antibiotic exposure on CD onset and the intestinal microbiota. The authors also review other microbiota within the human body (like the oropharynx) that may play a role in CD pathogenesis. Finally, the authors discuss implications for disease modification and the ultimate goal of prevention. The authors reviewed literature from PubMed, EMBASE, and Web of Science. EXPERT OPINION CD serves as a unique opportunity to explore the role of the intestinal microbiota on the development of chronic autoimmune disease. While research to date provides a solid foundation, most studies have been case-control and thus do not have capacity to explore the mechanistic role of the microbiota in CD onset. Further longitudinal studies and integrated multi-omics are necessary for investigating CD pathogenesis.
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Affiliation(s)
- Katherine L Olshan
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Mucosal Immunology and Biology Research Center, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Celiac Research Program, Harvard Medical School , Boston, MA, USA
| | - Maureen M Leonard
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Mucosal Immunology and Biology Research Center, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Celiac Research Program, Harvard Medical School , Boston, MA, USA
| | - Gloria Serena
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Mucosal Immunology and Biology Research Center, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Celiac Research Program, Harvard Medical School , Boston, MA, USA
| | - Ali R Zomorrodi
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Mucosal Immunology and Biology Research Center, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Celiac Research Program, Harvard Medical School , Boston, MA, USA
| | - Alessio Fasano
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,Mucosal Immunology and Biology Research Center, MassGeneral Hospital for Children, Harvard Medical School , Boston, MA, USA.,European Biomedical Research Institute of Salerno (EBRIS) , Salerno, Italy
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