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Voss JD, Goodson MS, Leon JC. Phenotype diffusion and one health: A proposed framework for investigating the plurality of obesity epidemics across many species. Zoonoses Public Health 2018; 65:279-290. [PMID: 29430857 DOI: 10.1111/zph.12445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Indexed: 01/07/2023]
Abstract
We propose the idea of "phenotype diffusion," which is a rapid convergence of an observed trait in some human and animal populations. The words phenotype and diffusion both imply observations independent of mechanism as phenotypes are observed traits with multiple possible genetic mechanisms and diffusion is an observed state of being widely distributed. Recognizing shared changes in phenotype in multiple species does not by itself reveal a particular mechanism such as a shared exposure, shared adaptive need, particular stochastic process or a transmission pathway. Instead, identifying phenotype diffusion suggests the mechanism should be explored to help illuminate the ways human and animal health are connected and new opportunities for optimizing these links. Using the plurality of obesity epidemics across multiple species as a prototype for shared changes in phenotype, the goal of this review was to explore eco-evolutionary theories that could inform further investigation. First, evolutionary changes described by hologenome evolution, pawnobe evolution, transposable element (TE) thrust and the drifty gene hypothesis will be discussed within the context of the selection asymmetries among human and animal populations. Secondly, the ecology of common source exposures (bovine milk, xenohormesis and "obesogens"), niche evolution and the hygiene hypothesis will be summarized. Finally, we synthesize these considerations. For example, many agricultural breeds have been aggressively selected for weight gain, microbiota (e.g., adenovirus 36, toxoplasmosis) associated with (or infecting) these breeds cause experimental weight gain in other animals, and these same microbes are associated with human obesity. We propose applications of phenotype diffusion could include zoonotic biosurveillance, biocontainment, antibiotic stewardship and environmental priorities. The One Health field is focused on the connections between the health of humans, animals and the environment, and so identification of phenotype diffusion is highly relevant for practitioners (public health officials, physicians and veterinarians) in this field.
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Affiliation(s)
- J D Voss
- Epidemiology Consult Service Division, United States Air Force School of Aerospace Medicine, Wright-Patterson AFB, OH, USA
| | - M S Goodson
- 711th Human Performance Wing, Human Effectiveness Directorate, Wright-Patterson AFB, OH, USA.,UES Inc., Dayton, OH, USA
| | - J C Leon
- Epidemiology Consult Service Division, United States Air Force School of Aerospace Medicine, Wright-Patterson AFB, OH, USA
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Microbial diversity and composition in different gut locations of hyperlipidemic mice receiving krill oil. Appl Microbiol Biotechnol 2017; 102:355-366. [PMID: 29098414 DOI: 10.1007/s00253-017-8601-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/19/2017] [Accepted: 10/20/2017] [Indexed: 01/01/2023]
Abstract
Low-dose (LD, 100 mg kg-1 day-1), moderate-dose (MD, 200 mg kg-1 day-1), and high-dose (HD, 600 mg kg-1 day-1) krill oil treatments have a stepwise, enhanced effect on alleviating hyperlipidemia, and 16S rRNA sequencing of the fecal samples demonstrates that krill oil treatment alters microbial communities. Feces may not represent all microbial communities in the gastrointestinal (GI) tract. Therefore, in this study, the stored ileal and colon samples collected from LD and HD groups were sequenced, and the location-specific modulations of microbial communities were observed after krill oil treatments. The 16S rRNA sequencing of the ileal samples showed that the LD and HD groups have similar patterns between control and high-fat diet (HFD) treatments, and six most abundant genera and 40 operational taxonomic units that respond to krill oil treatment were identified. However, the 16S rRNA sequencing of the colon samples showed that LD krill oil shifts the structure from the HFD to that of the control, whereas the HD group was distributed between the control and HFD groups. The corresponding most abundant genera and responsive OTUs totaled 4 and 45, respectively. In conclusion, different gastrointestinal tract locations contain different microbial communities. These results will help to provide a comprehensive understanding of the role of dietary krill oil in modulating the gut microbiota and alleviating hyperlipidemia.
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Nguyen TTB, Jin YY, Chung HJ, Hong ST. Pharmabiotics as an Emerging Medication for Metabolic Syndrome and Its Related Diseases. Molecules 2017; 22:E1795. [PMID: 29064399 PMCID: PMC6151620 DOI: 10.3390/molecules22101795] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 10/17/2017] [Accepted: 10/20/2017] [Indexed: 12/15/2022] Open
Abstract
Metabolic syndrome (MetS) is a cluster of metabolic risk factors associated with central obesity, hyperglycemia, insulin resistance, dyslipidemia and high blood pressure. In recent decades, because of the remarkable increase in both prevalence and severity, MetS and its related diseases such as cardiovascular diseases (CVDs), obesity, hypertension and diabetes have become the main global burden and challenge in strategic management involving prevention and treatment. However, currently, the preventions and treatments based on pharmaceutical interventions do not provide a solution for MetS and its related diseases. Recently, gut microbiota showed clear evidence of preventing and/or treating MetS, shedding light on treating MetS and its related diseases through a completely different approach. In this review, we will interpret the effects of current pharmaceutical drugs used in preventing and treating MetS and its related diseases to understand remaining issues of those interventions. We will explore the possibility of developing gut microbiota as pharmabiotics in a completely new medication option for treating MetS and its related diseases.
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Affiliation(s)
- Thi Thanh Binh Nguyen
- Department of Biomedical Sciences and Institute for Medical Science, Chonbuk National University Medical School, Jeonju, Chonbuk 54907, Korea.
| | - Yan Yan Jin
- Department of Biomedical Sciences and Institute for Medical Science, Chonbuk National University Medical School, Jeonju, Chonbuk 54907, Korea.
| | - Hea-Jong Chung
- Department of Microbiology, Seonam University Medical School, Namwon, Chonbuk 55321, Korea.
| | - Seong-Tschool Hong
- Department of Biomedical Sciences and Institute for Medical Science, Chonbuk National University Medical School, Jeonju, Chonbuk 54907, Korea.
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Tsuchida S, Maruyama F, Ogura Y, Toyoda A, Hayashi T, Okuma M, Ushida K. Genomic Characteristics of Bifidobacterium thermacidophilum Pig Isolates and Wild Boar Isolates Reveal the Unique Presence of a Putative Mobile Genetic Element with tetW for Pig Farm Isolates. Front Microbiol 2017; 8:1540. [PMID: 28861055 PMCID: PMC5561799 DOI: 10.3389/fmicb.2017.01540] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 07/31/2017] [Indexed: 01/16/2023] Open
Abstract
Genomic analysis was performed on seven strains of Bifidobacterium thermacidophilum, a Sus-associated Bifidobacterium. Three strains from the feces of domestic pigs (Sus scrofa domesticus) and four strains from the rectal feces of free-range Japanese wild boars (S. s. scrofa) were compared. The phylogenetic position of these isolates suggested by genomic analyses were not concordant with that suggested by 16S rRNA sequence. There was biased distribution of genes for virulence, phage, metabolism of aromatic compounds, iron acquisition, cell division, and DNA metabolism. In particular four wild boar isolates harbored fiber-degrading enzymes, such as endoglucanase, while two of the pig isolates obtained from those grown under an intensive feeding practice with routine use of antimicrobials, particularly tetracycline harbored a tetracycline resistance gene, which was further proved functional by disk diffusion test. The tetW gene is associated with a serine recombinase of an apparently non-bifidobacterial origin. The insertion site of the tetW cassette was precisely defined by analyzing the corresponding genomic regions in the other tetracycline-susceptible isolates. The cassette may have been transferred from some other bacteria in the pig gut.
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Affiliation(s)
- Sayaka Tsuchida
- Laboratory of Animal Science, Graduate School of Life and Environmental Sciences, Kyoto Prefectural UniversityKyoto, Japan
| | - Fumito Maruyama
- Department of Microbiology, Graduate School of Medicine, Kyoto UniversityKyoto, Japan
| | - Yoshitoshi Ogura
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu UniversityFukuoka, Japan
| | - Atsushi Toyoda
- Comparative Genomics Laboratory, National Institute of GeneticsMishima, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu UniversityFukuoka, Japan
| | - Moriya Okuma
- Japan Collection of Microorganisms, RIKEN BioResource CenterTsukuba, Japan
| | - Kazunari Ushida
- Laboratory of Animal Science, Graduate School of Life and Environmental Sciences, Kyoto Prefectural UniversityKyoto, Japan
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55
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Tian G, Wu X, Chen D, Yu B, He J. Adaptation of gut microbiome to different dietary nonstarch polysaccharide fractions in a porcine model. Mol Nutr Food Res 2017; 61. [PMID: 28586175 DOI: 10.1002/mnfr.201700012] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 05/04/2017] [Accepted: 05/26/2017] [Indexed: 12/18/2022]
Abstract
SCOPE Dietary fibers, consisting of nonstarch polysaccharides (NSPs) were found to modulate the gut microbiota. However, little is known about the role of a separated fiber fraction. Here, we describe a response in gut microbiome to different fiber fractions using a porcine model. METHODS AND RESULTS Ileal and cecal digesta were collected from pigs fed with fiber-free diet (FFD) or diet containing 5% cellulose (CEL), xylan (XYL) or β-glucan (GLU). We observed an elevated 16S rRNA gene copies in ileum and cecum digesta after NSP ingestion. Interestingly, we found that cecum digesta contained higher bacterial diversity than ileum digesta. Moreover, NSPs had no significant influence on overall diversity, but acutely altered the abundance of specific bacteria. Importantly, NSPs decreased the abundance of phylum Firmicutes, but increased the phylum Proteobacteria in ileal samples. Among the NSP-treated groups, pigs on CEL-containing diet had exclusively higher abundance of Lactobacillus spp. in the ileum. Whereas, the GLU-treated samples had more Clostridium spp. CONCLUSION This study not only indicated how the gut microbiome adapts to the three major NSP fractions, but the results also contribute to our understanding of the role of dietary fibers in modulating gut microbiota and health.
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Affiliation(s)
- Gang Tian
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, P. R. China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, Sichuan, P. R. China
| | - Xiying Wu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, P. R. China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, Sichuan, P. R. China
| | - Daiwen Chen
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, P. R. China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, Sichuan, P. R. China
| | - Bing Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, P. R. China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, Sichuan, P. R. China
| | - Jun He
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, P. R. China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, Sichuan, P. R. China
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Crovesy L, Ostrowski M, Ferreira DMTP, Rosado EL, Soares-Mota M. Effect of Lactobacillus on body weight and body fat in overweight subjects: a systematic review of randomized controlled clinical trials. Int J Obes (Lond) 2017; 41:1607-1614. [PMID: 28792488 DOI: 10.1038/ijo.2017.161] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 06/01/2017] [Accepted: 06/25/2017] [Indexed: 12/14/2022]
Abstract
Gut microbiota is important for maintaining body weight. Modulation of gut microbiota by probiotics may result in weight loss and thus help in obesity treatment. The aim of this systematic review was to evaluate the effects of Lactobacillus on weight loss and/or fat mass in overweight adults. A search was performed on the Medline (PubMed) and Scopus electronic databases using the search terms: 'probiotics', 'Lactobacillus, 'obesity', 'body weight changes', 'weight loss', 'overweight', 'abdominal obesity', 'body composition', 'body weight', 'body fat' and 'fat mass'. In the total were found 1567 articles, but only 14 were included in this systematic review. Of these nine showed decreased body weight and/or body fat, three did not find effect and two showed weight gain. Results suggest that the beneficial effects are strain dependent. It can highlight that Lactobacillus plantarum and Lactobacillus rhamnosus when combined with a hypocaloric diet, L. plantarum with Lactobacillus curvatus, Lactobacillus gasseri, Lactobacillus amylovorus, Lactobacillus acidophilus and Lactobacillus casei with phenolic compounds, and multiple species of Lactobacillus.
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Affiliation(s)
- L Crovesy
- Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M Ostrowski
- Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - D M T P Ferreira
- Library of Health Sciences Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - E L Rosado
- Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M Soares-Mota
- Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Acharya A, Chan Y, Kheur S, Kheur M, Gopalakrishnan D, Watt RM, Mattheos N. Salivary microbiome of an urban Indian cohort and patterns linked to subclinical inflammation. Oral Dis 2017; 23:926-940. [PMID: 28383789 DOI: 10.1111/odi.12676] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 12/19/2016] [Accepted: 03/16/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To profile salivary microbiomes of an urban-living, healthy Indian cohort and explore associations with proinflammatory status. METHODS Fifty-one clinically healthy Indian subjects' salivary microbiomes were analyzed using 16S rRNA Illumina MiSeq sequencing. Community distribution was compared with salivary data from the Human Microbiome Project (HMP). Indian subjects were clustered using microbiome-based "partitioning along medoids" (PAM), and relationships of interleukin-1 beta levels with community composition were analyzed. RESULTS Indian subjects presented higher phylogenetic diversity than HMP. Several taxa associated with traditional societies gut microbiomes (Bacteroidales, Paraprevotellaceae, and Spirochaetaceae) were raised. Bifidobacteriaceae and Lactobacillaceae were approximately fourfold greater. A PAM cluster enriched in several Proteobacteria, Actinobacteria, and Bacilli taxa and having almost twofold higher Prevotella to Bacteroides ratio showed significant overrepresentation of subjects within the highest quartile of salivary interleukin-1 beta levels. Abiotrophia, Anaerobacillus, Micrococcus, Aggregatibacter, Halomonas, Propionivivrio, Paracoccus, Mannhemia, unclassified Bradyrhizobiaceae, and Caulobacteraceae were each significant indicators of presence in the highest interleukin-1 beta quartile. 2 OTUs representing Lactobacillus fermentum and Cardiobacterium hominis significantly correlated with interleukin-1 beta levels. CONCLUSION The salivary microbiome of this urban-dwelling Indian cohort differed significantly from that of a well-studied Western cohort. Specific community patterns were putatively associated with subclinical inflammation levels.
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Affiliation(s)
- A Acharya
- Faculty of Dentistry, The University of Hong Kong, Hong Kong.,Dr. D Y Patil Dental College and Hospital, Pune, India
| | - Y Chan
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - S Kheur
- Dr. D Y Patil Dental College and Hospital, Pune, India
| | - M Kheur
- M.A Rangoonwalla Dental College and Hospital, Pune, India
| | | | - R M Watt
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - N Mattheos
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
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Metabolic role of lactobacilli in weight modification in humans and animals. Microb Pathog 2017; 106:182-194. [DOI: 10.1016/j.micpath.2016.03.006] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 03/11/2016] [Accepted: 03/22/2016] [Indexed: 02/07/2023]
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60
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Isokpehi RD, Simmons SS, Johnson MO, Payton M. Genomic Evidence for Bacterial Determinants Influencing Obesity Development. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14040345. [PMID: 28346358 PMCID: PMC5409546 DOI: 10.3390/ijerph14040345] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/09/2017] [Accepted: 03/14/2017] [Indexed: 12/11/2022]
Abstract
Obesity is a major global public health problem requiring multifaceted interventional approaches including dietary interventions with probiotic bacteria. High-throughput genome sequencing of microbial communities in the mammalian gastrointestinal system continues to present diverse protein function information to understand the bacterial determinants that influence obesity development. The goal of the research reported in this article was to identify biological processes in probiotic bacteria that could influence the mechanisms for the extraction of energy from diet in the human gastrointestinal system. Our research strategy of combining bioinformatics and visual analytics methods was based on the identification of operon gene arrangements in genomes of Lactobacillus species and Akkermansiamuciniphila that include at least a gene for a universal stress protein. The two major findings from this research study are related to Lactobacillus plantarum and Akkermansia muciniphila bacteria species which are associated with weight-loss. The first finding is that Lactobacillus plantarum strains have a two-gene operon that encodes a universal stress protein for stress response and the membrane translocator protein (TSPO), known to function in mitochondrial fatty acid oxidation in humans. The second finding is the presence of a three-gene operon in Akkermansia muciniphila that includes a gene whose human mitochondrial homolog is associated with waist-hip ratio and fat distribution. From a public health perspective, elucidation of the bacterial determinants influencing obesity will help in educating the public on optimal probiotic use for anti-obesity effects.
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Affiliation(s)
- Raphael D Isokpehi
- College of Science, Engineering and Mathematics, Bethune-Cookman University, Daytona Beach, FL 32114, USA.
| | - Shaneka S Simmons
- Division of Arts and Sciences, Jarvis Christian College, Hawkins, TX 75765, USA.
- Center of Excellence in Minority Health and Health Disparities, Jackson State University, Jackson, MS 39217, USA.
| | - Matilda O Johnson
- Petrock College of Health Sciences, Bethune-Cookman University, Daytona Beach, FL 32114, USA.
| | - Marinelle Payton
- Center of Excellence in Minority Health and Health Disparities, Jackson State University, Jackson, MS 39217, USA.
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Abstract
PURPOSE OF REVIEW Obesity is a multifactorial disease that is now endemic throughout most of the world. Although addressing proximate causes of obesity (excess energy intake and reduced energy expenditure) have been longstanding global health priorities, the problem has continued to worsen at the global level. RECENT FINDINGS Numerous microbial agents cause obesity in various experimental models-a phenomena known as infectobesity. Several of the same agents alter metabolic function in human cells and are associated with human obesity or metabolic dysfunction in humans. We address the evidence for a role in the genesis of obesity for viral agents in five broad categories: adenoviridae, herpesviridae, phages, transmissible spongiform encephalopathies (slow virus), and other encephalitides and hepatitides. Despite the importance of this topic area, there are many persistent knowledge gaps that need to be resolved. We discuss factors motivating further research and recommend that future infectobesity investigation should be more comprehensive, leveraged, interventional, and patient-centered.
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Affiliation(s)
- Jameson D Voss
- United States Air Force School of Aerospace Medicine, Epidemiology Consult Service Division, 2510 Fifth Street, Building 840, Wright-Patterson AFB, OH, 45433, USA
| | - Nikhil V Dhurandhar
- Department of Nutritional Sciences, Texas Tech University, Box 41270, Lubbock, TX, 79409-1240, USA.
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Walsh AM, Crispie F, Claesson MJ, Cotter PD. Translating Omics to Food Microbiology. Annu Rev Food Sci Technol 2017; 8:113-134. [DOI: 10.1146/annurev-food-030216-025729] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Aaron M. Walsh
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork, Ireland
- APC Microbiome Institute, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Fiona Crispie
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork, Ireland
| | - Marcus J. Claesson
- APC Microbiome Institute, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Paul D. Cotter
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork, Ireland
- APC Microbiome Institute, University College Cork, Cork, Ireland
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Esteban-Torres M, Reverón I, Plaza-Vinuesa L, de las Rivas B, Muñoz R, López de Felipe F. Transcriptional Reprogramming at Genome-Scale of Lactobacillus plantarum WCFS1 in Response to Olive Oil Challenge. Front Microbiol 2017; 8:244. [PMID: 28261192 PMCID: PMC5313477 DOI: 10.3389/fmicb.2017.00244] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 02/03/2017] [Indexed: 12/16/2022] Open
Abstract
Dietary fats may exert selective pressures on Lactobacillus species, however, knowledge on the mechanisms of adaptation to fat stress in these organisms is still fragmentary. This study was undertaken to gain insight into the mechanisms of adaptation of Lactobacillus plantarum WCFS1 to olive oil challenge by whole genome transcriptional profiling using DNA microarrays. A set of 230 genes were differentially expressed by L. plantarum WCFS1 to respond to this vegetable oil. This response involved elements typical of the stringent response, as indicated by the induction of genes involved in stress-related pathways and downregulation of genes related to processes associated with rapid growth. A set of genes involved in the transport and metabolism of compatible solutes were downregulated, indicating that this organism does not require osmoprotective mechanisms in presence of olive oil. The fatty acid biosynthetic pathway was thoroughly downregulated at the transcriptional level, which coincided with a diminished expression of genes controlled by this pathway in other organisms and that are required for the respiratory function, pyruvate dehydrogenase activity, RNA processing and cell size setting. Finally, a set of genes involved in host-cell signaling by L. plantarum were differentially regulated indicating that olive oil can influence the expression of metabolic traits involved in the crosstalk between this bacterium and the host.
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Affiliation(s)
| | | | | | | | | | - Félix López de Felipe
- Laboratorio de Biotecnología Bacteriana, Instituto de Ciencia y Tecnología de los Alimentos y Nutrición – Consejo Superior de Investigaciones CientificasMadrid, Spain
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Rosing JA, Walker KC, Jensen BA, Heitmann BL. Oral Lactobacillus Counts Predict Weight Gain Susceptibility: A 6-Year Follow-Up Study. Obes Facts 2017; 10:473-482. [PMID: 29020671 PMCID: PMC5741165 DOI: 10.1159/000478095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 06/07/2017] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Recent studies have shown an association between weight change and the makeup of the intestinal microbiota in humans. Specifically, Lactobacillus, a part of the entire gastrointestinal tract's microbiota, has been shown to contribute to weight regulation. AIM We examined the association between the level of oral Lactobacillus and the subsequent 6-year weight change in a healthy population of 322 Danish adults aged 35-65 years at baseline. DESIGN Prospective observational study. RESULTS In unadjusted analysis the level of oral Lactobacillus was inversely associated with subsequent 6-year change in BMI. A statistically significant interaction between the baseline level of oral Lactobacillus and the consumption of complex carbohydrates was found, e.g. high oral Lactobacillus count predicted weight loss for those with a low intake of complex carbohydrates, while a medium intake of complex carbohydrates predicted diminished weight gain. A closer examination of these relations showed that BMI change and Lactobacillus level was unrelated for those with high complex carbohydrate consumption. CONCLUSION A high level of oral Lactobacillus seems related to weight loss among those with medium and low intakes of complex carbohydrates. Absence, or a low level of oral Lactobacillus, may potentially be a novel marker to identify those at increased risk of weight gain.
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Affiliation(s)
- Johanne Aviaja Rosing
- Department of Public Health, Section for General Practice, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Karen Christina Walker
- Department of Public Health, Section for General Practice, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Benjamin A.H. Jensen
- Department of Biology, Laboratory for Genomics and Molecular Biomedicine, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Berit L. Heitmann
- Department of Public Health, Section for General Practice, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Research Unit for Dietary Studies, The Parker Institute, Bispebjerg and Frederiksberg Hospital, The Capital Region and University of Copenhagen, Frederiksberg, Denmark
- The Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders Sydney Medical School, The University of Sydney, Sydney, Australia
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
- *Prof. Dr. Berit L. Heitmann, Research Unit for Dietary Studies, The Parker Institute, Bispebjerg and Frederiksberg Hospital, The Capital Region, Ndr Fasanvej 57, hovedvejen opg. 5, 1st Floor, 2000 Frederiksberg, Denmark,
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65
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Angelakis E. Weight gain by gut microbiota manipulation in productive animals. Microb Pathog 2016; 106:162-170. [PMID: 27836763 DOI: 10.1016/j.micpath.2016.11.002] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 06/23/2016] [Accepted: 11/07/2016] [Indexed: 12/16/2022]
Abstract
Antibiotics, prebiotics and probiotics are widely used as growth promoters in agriculture. In the 1940s, use of Streptomyces aureofaciens probiotics resulted in weight gain in animals, which led to the discovery of chlortetracycline. Tetracyclines, macrolides, avoparcin and penicillins have been commonly used in livestock agriculture to promote growth through increased food intake, weight gain, and improved herd health. Prebiotic supplements including oligosaccharides, fructooligosaccharides, and galactosyl-lactose improve the growth performance of animals. Probiotics used in animal feed are mainly bacterial strains of Gram-positive bacteria and have been effectively used for weight gain in chickens, pigs, ruminants and in aquaculture. Antibiotics, prebiotics and probiotics all modify the gut microbiota and the effect of a probiotic species on the digestive flora is probably determined by bacteriocin production. Regulations governing the introduction of novel probiotics and prebiotics vary by geographical region and bias is very common in industry-funded studies. Probiotic and prebiotic foods have been consumed for centuries, either as natural components of food, or as fermented foods and it is possible to cause the same weight gain effects in humans as in animals. This review presents the use of growth promoters in food-producing animals to influence food intake and weight gain.
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Affiliation(s)
- Emmanouil Angelakis
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Aix Marseille Université, Faculté de Médecine, 27 Bd Jean Moulin, 13385, Marseille, France
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Chan YK, Brar MS, Kirjavainen PV, Chen Y, Peng J, Li D, Leung FCC, El-Nezami H. High fat diet induced atherosclerosis is accompanied with low colonic bacterial diversity and altered abundances that correlates with plaque size, plasma A-FABP and cholesterol: a pilot study of high fat diet and its intervention with Lactobacillus rhamnosus GG (LGG) or telmisartan in ApoE -/- mice. BMC Microbiol 2016; 16:264. [PMID: 27821063 PMCID: PMC5100306 DOI: 10.1186/s12866-016-0883-4] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Accepted: 10/29/2016] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Atherosclerosis appears to have multifactorial causes - microbial component like lipopolysaccharides (LPS) and other pathogen associated molecular patterns may be plausible factors. The gut microbiota is an ample source of such stimulants, and its dependent metabolites and altered gut metagenome has been an established link to atherosclerosis. In this exploratory pilot study, we aimed to elucidate whether microbial intervention with probiotics L. rhamnosus GG (LGG) or pharmaceuticals telmisartan (TLM) could improve atherosclerosis in a gut microbiota associated manner. METHODS Atherosclerotic phenotype was established by 12 weeks feeding of high fat (HF) diet as opposed to normal chow diet (ND) in apolipoprotein E knockout (ApoE-/-) mice. LGG or TLM supplementation to HF diet was studied. RESULTS Both LGG and TLM significantly reduced atherosclerotic plaque size and improved various biomarkers including endotoxin to different extents. Colonial microbiota analysis revealed that TLM restored HF diet induced increase in Firmicutes/Bacteroidetes ratio and decrease in alpha diversity; and led to a more distinct microbial clustering closer to ND in PCoA plot. Eubacteria, Anaeroplasma, Roseburia, Oscillospira and Dehalobacteria appeared to be protective against atherosclerosis and showed significant negative correlation with atherosclerotic plaque size and plasma adipocyte - fatty acid binding protein (A-FABP) and cholesterol. CONCLUSION LGG and TLM improved atherosclerosis with TLM having a more distinct alteration in the colonic gut microbiota. Altered bacteria genera and reduced alpha diversity had significant correlations to atherosclerotic plaque size, plasma A-FABP and cholesterol. Future studies on such bacterial functional influence in lipid metabolism will be warranted.
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Affiliation(s)
- Yee Kwan Chan
- 5S12, Kadoorie Biological Sciences Building, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong.
| | - Manreetpal Singh Brar
- 5N01, Kadoorie Biological Sciences Building, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong.
| | - Pirkka V Kirjavainen
- Food and Research Health Centre, University of Eastern Finland, Joensuu, Finland
| | - Yan Chen
- L943, Laboratory Block, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong
| | - Jiao Peng
- L943, Laboratory Block, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong
| | - Daxu Li
- L943, Laboratory Block, Department of Surgery, LKS Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong
| | - Frederick Chi-Ching Leung
- 5N01, Kadoorie Biological Sciences Building, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong.,Bioinformatics Center, Nanjing Agricultural University, Nanjing, China
| | - Hani El-Nezami
- 5S12, Kadoorie Biological Sciences Building, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong. .,Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland. .,5S13, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam, Hong Kong.
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Kullisaar T, Zilmer K, Salum T, Rehema A, Zilmer M. The use of probiotic L. fermentum ME-3 containing Reg'Activ Cholesterol supplement for 4 weeks has a positive influence on blood lipoprotein profiles and inflammatory cytokines: an open-label preliminary study. Nutr J 2016; 15:93. [PMID: 27793203 PMCID: PMC5084312 DOI: 10.1186/s12937-016-0213-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Accepted: 10/19/2016] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Cardiovascular diseases continue to be a challenge and burden to heath. The incidence of type 2 diabetes is increasing. Modifying the (common) risk factors of them is the key of longterm success. The aim of the study was to establish if the special composition of innovative food supplement Reg'Activ Cholesterol (RAC) has a positive influence to the human body cardiovascular-inflammatory and diabetic parameters. METHODS Forty-five clinically asymptomatic participants consumed an RAC containing an antioxidative and antiatherogenic probiotic Lactobacillus fermentum ME-3 (LFME-3) for 4 weeks. The parameters measured were total cholesterol, HDL cholesterol, LDL cholesterol, triglyceride, oxLDL, hsCRP, IL-6 and glycosylated haemoglobin (HbA1c%). RESULTS The cardiovascular and diabetes risk profile of the participants improved significantly after 4 weeks of the intervention. The reduction of total cholesterol (from 6.5 ± 1.0 to 5.7 ± 0.9 mmol/l, p = 9.90806E-11) was on the account of LDL cholesterol as the HDL cholesterol level rose from 1.60 ± 0.31to 1.67 ± 0.34mml/l, p = 0.01. HbA1c% was reduced from 5.85 ± 0.28 to 5.66 ± 0.25 p = 4.64E-05 and oxLDL decreased from 84 ± 20 to 71 ± 15 U/l, p = 4.66292E-08. CONCLUSIONS The consumption of RAC in clinically asymptomatic volunteers with borderline-high values of risk factors for cardiovascular disease (BMI, HbA1c%, LDL cholesterol) for 4 weeks had a positive effect on blood lipoprotein, oxidative stress and inflammatory profile. There are no human trials published before with RAC. TRIAL REGISTRATION The trial described here isa n open label pilot study within the framework of a larger special clinical trial ( ISRCTN55339917 ) [Accessed 20 Feb 2016].
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Affiliation(s)
- Tiiu Kullisaar
- Department of Biochemistry, Institute of Biomedicine and Translational Medicine, The Centre of Excellence for Genomics and Translational Medicine, Faculty of Medicine, University of Tartu, Ravila 19, Tartu, 50411 Estonia
| | - Kersti Zilmer
- Department of Biochemistry, Institute of Biomedicine and Translational Medicine, The Centre of Excellence for Genomics and Translational Medicine, Faculty of Medicine, University of Tartu, Ravila 19, Tartu, 50411 Estonia
| | - Tiit Salum
- Department of Biochemistry, Institute of Biomedicine and Translational Medicine, The Centre of Excellence for Genomics and Translational Medicine, Faculty of Medicine, University of Tartu, Ravila 19, Tartu, 50411 Estonia
| | - Aune Rehema
- Department of Biochemistry, Institute of Biomedicine and Translational Medicine, The Centre of Excellence for Genomics and Translational Medicine, Faculty of Medicine, University of Tartu, Ravila 19, Tartu, 50411 Estonia
| | - Mihkel Zilmer
- Department of Biochemistry, Institute of Biomedicine and Translational Medicine, The Centre of Excellence for Genomics and Translational Medicine, Faculty of Medicine, University of Tartu, Ravila 19, Tartu, 50411 Estonia
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Le Roy CI, Štšepetova J, Sepp E, Songisepp E, Claus SP, Mikelsaar M. New insights into the impact of Lactobacillus population on host-bacteria metabolic interplay. Oncotarget 2016; 6:30545-56. [PMID: 26437083 PMCID: PMC4741550 DOI: 10.18632/oncotarget.5906] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Accepted: 08/28/2015] [Indexed: 02/07/2023] Open
Abstract
We aimed at evaluating the association between intestinal Lactobacillus sp. composition and their metabolic activity with the host metabolism in adult and elderly individuals. Faecal and plasma metabolites were measured and correlated to the Lactobacillus species distribution in healthy Estonian cohorts of adult (n = 16; < 48 y) and elderly (n = 33; > 65 y). Total cholesterol, LDL, C-reactive protein and glycated hemoglobin were statistically higher in elderly, while platelets, white blood cells and urinary creatinine were higher in adults. Aging was associated with the presence of L. paracasei and L. plantarum and the absence of L. salivarius and L. helveticus. High levels of intestinal Lactobacillus sp. were positively associated with increased concentrations of faecal short chain fatty acids, lactate and essential amino acids. In adults, high red blood cell distribution width was positively associated with presence of L. helveticus and absence of L. ruminis. L. helveticus was correlated to lactate and butyrate in faecal waters. This indicates a strong relationship between the composition of the gut Lactobacillus sp. and host metabolism. Our results confirm that aging is associated with modulations of blood biomarkers and intestinal Lactobacillus species composition. We identified specific Lactobacillus contributions to gut metabolic environment and related those to blood biomarkers. Such associations may prove useful to decipher the biological mechanisms underlying host-gut microbial metabolic interactions in an ageing population.
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Affiliation(s)
- Caroline I Le Roy
- Department of Food and Nutritional Sciences, The University of Reading, Whiteknights, Reading, United Kingdom
| | | | - Epp Sepp
- Department of Microbiology, University of Tartu, Tartu, Estonia
| | - Epp Songisepp
- Bio-competence Center of Healthy Dairy Production LLC, Tartu, Estonia
| | - Sandrine P Claus
- Department of Food and Nutritional Sciences, The University of Reading, Whiteknights, Reading, United Kingdom
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Comparative Genomics Reveals Biomarkers to Identify Lactobacillus Species. Indian J Microbiol 2016; 56:265-76. [PMID: 27407290 DOI: 10.1007/s12088-016-0605-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 06/09/2016] [Indexed: 12/19/2022] Open
Abstract
Bacteria possessing multiple copies of 16S rRNA (rrs) gene demonstrate high intragenomic heterogeneity. It hinders clear distinction at species level and even leads to overestimation of the bacterial diversity. Fifty completely sequenced genomes belonging to 19 species of Lactobacillus species were found to possess 4-9 copies of rrs each. Multiple sequence alignment of 268 rrs genes from all the 19 species could be classified into 20 groups. Lactobacillus sanfranciscensis TMW 1.1304 was the only species where all the 7 copies of rrs were exactly similar and thus formed a distinct group. In order to circumvent the problem of high heterogeneity arising due to multiple copies of rrs, 19 additional genes (732-3645 nucleotides in size) common to Lactobacillus genomes, were selected and digested with 10 Type II restriction endonucleases (RE), under in silico conditions. The following unique gene-RE combinations: recA (1098 nts)-HpyCH4 V, CviAII, BfuCI and RsaI were found to be useful in identifying 29 strains representing 17 species. Digestion patterns of genes-ruvB (1020 nts), dnaA (1368 nts), purA (1290 nts), dnaJ (1140 nts), and gyrB (1944 nts) in combination with REs-AluI, BfuCI, CviAI, Taq1, and Tru9I allowed clear identification of an additional 14 strains belonging to 8 species. Digestion pattern of genes recA, ruvB, dnaA, purA, dnaJ and gyrB can be used as biomarkers for identifying different species of Lactobacillus.
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Berstad A, Raa J, Midtvedt T, Valeur J. Probiotic lactic acid bacteria - the fledgling cuckoos of the gut? MICROBIAL ECOLOGY IN HEALTH AND DISEASE 2016; 27:31557. [PMID: 27235098 PMCID: PMC4884264 DOI: 10.3402/mehd.v27.31557] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 04/28/2016] [Accepted: 04/28/2016] [Indexed: 12/12/2022]
Abstract
It is tempting to look at bacteria from our human egocentric point of view and label them as either ‘good’ or ‘bad’. However, a microbial society has its own system of government – ‘microcracy’ – and its own rules of play. Lactic acid bacteria are often referred to as representatives of the good ones, and there is little doubt that those belonging to the normal intestinal flora are beneficial for human health. But we should stop thinking of lactic acid bacteria as always being ‘friendly’ – they may instead behave like fledgling cuckoos.
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Affiliation(s)
- Arnold Berstad
- Unger-Vetlesen's Institute, Lovisenberg Diakonale Hospital, Oslo, Norway;
| | - Jan Raa
- Unger-Vetlesen's Institute, Lovisenberg Diakonale Hospital, Oslo, Norway
| | - Tore Midtvedt
- Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
| | - Jørgen Valeur
- Unger-Vetlesen's Institute, Lovisenberg Diakonale Hospital, Oslo, Norway
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71
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Lin YC, Chen YT, Hsieh HH, Chen MJ. Effect of Lactobacillus mali APS1 and L. kefiranofaciens M1 on obesity and glucose homeostasis in diet-induced obese mice. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.03.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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72
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Heinritz SN, Weiss E, Eklund M, Aumiller T, Louis S, Rings A, Messner S, Camarinha-Silva A, Seifert J, Bischoff SC, Mosenthin R. Intestinal Microbiota and Microbial Metabolites Are Changed in a Pig Model Fed a High-Fat/Low-Fiber or a Low-Fat/High-Fiber Diet. PLoS One 2016; 11:e0154329. [PMID: 27100182 PMCID: PMC4839692 DOI: 10.1371/journal.pone.0154329] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 04/12/2016] [Indexed: 12/11/2022] Open
Abstract
The intestinal microbiota and its metabolites appear to be an important factor for gastrointestinal function and health. However, research is still needed to further elaborate potential relationships between nutrition, gut microbiota and host’s health by means of a suitable animal model. The present study examined the effect of two different diets on microbial composition and activity by using the pig as a model for humans. Eight pigs were equally allotted to two treatments, either fed a low-fat/high-fiber (LF), or a high-fat/low-fiber (HF) diet for 7 weeks. Feces were sampled at day 7 of every experimental week. Diet effects on fecal microbiota were assessed using quantitative real-time PCR, DNA fingerprinting and metaproteomics. Furthermore, fecal short-chain fatty acid (SCFA) profiles and ammonia concentrations were determined. Gene copy numbers of lactobacilli, bifidobacteria (P<0.001) and Faecalibacterium prausnitzii (P<0.05) were higher in the LF pigs, while Enterobacteriaceae were more abundant in the HF pigs (P<0.001). Higher numbers of proteins affiliated to Enterobacteriaceae were also present in the HF samples. Proteins for polysaccharide breakdown did almost exclusively originate from Prevotellaceae. Total and individual fecal SCFA concentrations were higher for pigs of the LF treatment (P<0.05), whereas fecal ammonia concentrations did not differ between treatments (P>0.05). Results provide evidence that beginning from the start of the experiment, the LF diet stimulated beneficial bacteria and SCFA production, especially butyrate (P<0.05), while the HF diet fostered those bacterial groups which have been associated with a negative impact on health conditions. These findings correspond to results in humans and might strengthen the hypothesis that the response of the porcine gut microbiota to a specific dietary modulation is in support of using the pig as suitable animal model for humans to assess diet-gut-microbiota interactions. Data are available via ProteomeXchange with identifier PXD003447.
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Affiliation(s)
- Sonja N. Heinritz
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Eva Weiss
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Meike Eklund
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Tobias Aumiller
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Sandrine Louis
- Department of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Andreas Rings
- Department of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Sabine Messner
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | | | - Jana Seifert
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Stephan C. Bischoff
- Department of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Rainer Mosenthin
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
- * E-mail:
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73
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Microbiota, obesity and malnutrition. Microb Pathog 2016; 106:1-2. [PMID: 26911645 DOI: 10.1016/j.micpath.2016.02.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 02/01/2016] [Accepted: 02/01/2016] [Indexed: 01/13/2023]
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74
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Early‐life exercise may promote lasting brain and metabolic health through gut bacterial metabolites. Immunol Cell Biol 2016; 94:151-7. [DOI: 10.1038/icb.2015.113] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 11/28/2015] [Accepted: 11/29/2015] [Indexed: 12/11/2022]
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75
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Mikelsaar M, Sepp E, Štšepetova J, Hütt P, Zilmer K, Kullisaar T, Zilmer M. Regulation of plasma lipid profile by lactobacillus fermentum (probiotic strain ME-3 DSM14241) in a randomised controlled trial of clinically healthy adults. BMC Nutr 2015. [DOI: 10.1186/s40795-015-0020-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Lecomte V, Kaakoush NO, Maloney CA, Raipuria M, Huinao KD, Mitchell HM, Morris MJ. Changes in gut microbiota in rats fed a high fat diet correlate with obesity-associated metabolic parameters. PLoS One 2015; 10:e0126931. [PMID: 25992554 PMCID: PMC4436290 DOI: 10.1371/journal.pone.0126931] [Citation(s) in RCA: 302] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 04/09/2015] [Indexed: 12/15/2022] Open
Abstract
The gut microbiota is emerging as a new factor in the development of obesity. Many studies have described changes in microbiota composition in response to obesity and high fat diet (HFD) at the phylum level. In this study we used 16s RNA high throughput sequencing on faecal samples from rats chronically fed HFD or control chow (n = 10 per group, 16 weeks) to investigate changes in gut microbiota composition at the species level. 53.17% dissimilarity between groups was observed at the species level. Lactobacillus intestinalis dominated the microbiota in rats under the chow diet. However this species was considerably less abundant in rats fed HFD (P<0.0001), this being compensated by an increase in abundance of propionate/acetate producing species. To further understand the influence of these species on the development of the obese phenotype, we correlated their abundance with metabolic parameters associated with obesity. Of the taxa contributing the most to dissimilarity between groups, 10 presented significant correlations with at least one of the tested parameters, three of them correlated positively with all metabolic parameters: Phascolarctobacterium, Proteus mirabilis and Veillonellaceae, all propionate/acetate producers. Lactobacillus intestinalis was the only species whose abundance was negatively correlated with change in body weight and fat mass. This species decreased drastically in response to HFD, favouring propionate/acetate producing bacterial species whose abundance was strongly correlated with adiposity and deterioration of metabolic factors. Our observations suggest that these species may play a key role in the development of obesity in response to a HFD.
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Affiliation(s)
- Virginie Lecomte
- School of Medical Sciences, UNSW Australia, Sydney, New South Wales, Australia
| | - Nadeem O. Kaakoush
- School of Biotechnology and Biomolecular Sciences, UNSW Australia, Sydney, New South Wales, Australia
| | | | - Mukesh Raipuria
- School of Medical Sciences, UNSW Australia, Sydney, New South Wales, Australia
| | - Karina D. Huinao
- School of Biotechnology and Biomolecular Sciences, UNSW Australia, Sydney, New South Wales, Australia
| | - Hazel M. Mitchell
- School of Biotechnology and Biomolecular Sciences, UNSW Australia, Sydney, New South Wales, Australia
| | - Margaret J. Morris
- School of Medical Sciences, UNSW Australia, Sydney, New South Wales, Australia
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Yasir M, Angelakis E, Bibi F, Azhar EI, Bachar D, Lagier JC, Gaborit B, Hassan AM, Jiman-Fatani AA, Alshali KZ, Robert C, Dutour A, Raoult D. Comparison of the gut microbiota of people in France and Saudi Arabia. Nutr Diabetes 2015; 5:e153. [PMID: 25915742 PMCID: PMC4423199 DOI: 10.1038/nutd.2015.3] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 02/27/2015] [Accepted: 03/15/2015] [Indexed: 12/18/2022] Open
Abstract
Background/Objectives: The gut microbiota contributes to energy acquisition from food, and changes in the gut microbiome are associated with obesity. The eating habits of Saudis are much different than those of Europeans, and our objective was to compare the fecal microbiota of obese and normal weight Saudis and French. Subjects/Methods: Illumina MiSeq deep sequencing was used to test the gut microbiota of 9 normal weight and 9 obese individuals from Saudi Arabia and 16 normal weight and 12 obese individuals from France. Results: Obese French possessed significantly more relative Proteobacteria (P=0.002) and Bacteroidetes (P=0.05) and had lower richness and biodiversity at all the operational taxonomic unit (OTU) cutoffs (P<0.05) than normal weight French. Obese Saudis possessed significantly more Firmicutes (P=0.001) without a difference in richness (P=0.2) and biodiversity (P=0.3) compared with normal weight Saudis. We found a common bacterial species core of 23 species existing in ⩾50% of obese and normal weight Saudis and 29 species in ⩾50% of obese and normal weight French. Actinomyces odontolyticus, Escherichia coli and Ruminococcus obeum were present in at least 50% of all individuals tested. French individuals had significantly higher richness and biodiversity compared with Saudis at all the OTU cutoffs (P<0.05). Conclusion: Microbiota differences between obese and normal weight French were not similar to those between obese and normal weight Saudis. The studies of different populations can result in contrasting data regarding the associations of the gut microbiota and obesity.
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Affiliation(s)
- M Yasir
- Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - E Angelakis
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
| | - F Bibi
- Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - E I Azhar
- 1] Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia [2] Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - D Bachar
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
| | - J-C Lagier
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
| | - B Gaborit
- Department of Endocrinology, Metabolic Diseases and Nutrition, CHU Nord, Marseille, France
| | - A M Hassan
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
| | - A A Jiman-Fatani
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - K Z Alshali
- Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - C Robert
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
| | - A Dutour
- Department of Endocrinology, Metabolic Diseases and Nutrition, CHU Nord, Marseille, France
| | - D Raoult
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE CNRS-IRD 198 UMR 6236, Faculté de Médecine, Université de la Méditerranée, Marseille, France
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Novel opportunities for next-generation probiotics targeting metabolic syndrome. Curr Opin Biotechnol 2014; 32:21-27. [PMID: 25448228 DOI: 10.1016/j.copbio.2014.10.006] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 09/30/2014] [Accepted: 10/15/2014] [Indexed: 02/07/2023]
Abstract
Various studies have described the beneficial effects of specific bacteria on the characteristics of metabolic syndrome. Intestinal microbiota might therefore represent a modifiable trait for translational intervention to improve the metabolic profiles of obese and type 2 diabetic patients. However, identifying potential probiotic strains that can effectively colonize the gastrointestinal tract and significantly affect host metabolism has been challenging. This review aims to summarize the notable advances and contributions in the field that may prove useful for identifying next-generation probiotics that target metabolic syndrome and its related disorders.
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Moreno-Indias I, Cardona F, Tinahones FJ, Queipo-Ortuño MI. Impact of the gut microbiota on the development of obesity and type 2 diabetes mellitus. Front Microbiol 2014; 5:190. [PMID: 24808896 PMCID: PMC4010744 DOI: 10.3389/fmicb.2014.00190] [Citation(s) in RCA: 197] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 04/08/2014] [Indexed: 12/21/2022] Open
Abstract
Obesity and its associated disorders are a major public health concern. Although obesity has been mainly related with perturbations of the balance between food intake and energy expenditure, other factors must nevertheless be considered. Recent insight suggests that an altered composition and diversity of gut microbiota could play an important role in the development of metabolic disorders. This review discusses research aimed at understanding the role of gut microbiota in the pathogenesis of obesity and type 2 diabetes mellitus (TDM2). The establishment of gut microbiota is dependent on the type of birth. With effect from this point, gut microbiota remain quite stable, although changes take place between birth and adulthood due to external influences, such as diet, disease and environment. Understand these changes is important to predict diseases and develop therapies. A new theory suggests that gut microbiota contribute to the regulation of energy homeostasis, provoking the development of an impairment in energy homeostasis and causing metabolic diseases, such as insulin resistance or TDM2. The metabolic endotoxemia, modifications in the secretion of incretins and butyrate production might explain the influence of the microbiota in these diseases.
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Affiliation(s)
- Isabel Moreno-Indias
- Unidad de Gestion Clínica de Endocrinología y Nutrición, Laboratorio del Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario de Málaga (Virgen de la Victoria) Málaga, Spain ; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición Madrid, Spain
| | - Fernando Cardona
- Unidad de Gestion Clínica de Endocrinología y Nutrición, Laboratorio del Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario de Málaga (Virgen de la Victoria) Málaga, Spain ; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición Madrid, Spain
| | - Francisco J Tinahones
- Unidad de Gestion Clínica de Endocrinología y Nutrición, Laboratorio del Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario de Málaga (Virgen de la Victoria) Málaga, Spain ; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición Madrid, Spain
| | - María Isabel Queipo-Ortuño
- Unidad de Gestion Clínica de Endocrinología y Nutrición, Laboratorio del Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario de Málaga (Virgen de la Victoria) Málaga, Spain ; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición Madrid, Spain
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