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Nutrition microbiome

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https://www.readbyqxmd.com/read/29666626/next-generation-immune-repertoire-sequencing-as-a-clue-to-elucidate-the-landscape-of-immune-modulation-by-host-gut-microbiome-interactions
#1
Tatsuo Ichinohe, Takahiko Miyama, Takakazu Kawase, Yasuko Honjo, Kazutaka Kitaura, Hiroyuki Sato, Tadasu Shin-I, Ryuji Suzuki
The human immune system is a fine network consisted of the innumerable numbers of functional cells that balance the immunity and tolerance against various endogenous and environmental challenges. Although advances in modern immunology have revealed a role of many unique immune cell subsets, technologies that enable us to capture the whole landscape of immune responses against specific antigens have been not available to date. Acquired immunity against various microorganisms including host microbiome is principally founded on T cell and B cell populations, each of which expresses antigen-specific receptors that define a unique clonotype...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29665003/the-inside-tract-the-appendicular-cecal-and-colonic-microbiome-of-captive-aye-ayes
#2
Lydia K Greene, Erin A McKenney
OBJECTIVES: The aye-aye (Daubentonia madagascariensis) is famous for its feeding strategies that target structurally defended, but high-quality resources. Nonetheless, the influence of this digestible diet on gut microbial contributions to aye-aye metabolism and nutrition remains unexplored. When four captive aye-ayes were unexpectedly lost to persin toxicity, we opportunistically collected samples along the animals' gastrointestinal tracts. Here we describe the diversity and composition of appendicular, cecal, and colonic consortia relative to the aye-aye's unusual feeding ecology...
April 17, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29663504/climate-resilient-crops-for-improving-global-food-security-and-safety
#3
EDITORIAL
Om Parkash Dhankher, Christine H Foyer
Food security and the protection of the environment are urgent issues for global society, particularly with the uncertainties of climate change. Changing climate is predicted to have a wide range of negative impacts on plant physiology metabolism, soil fertility and carbon sequestration, microbial activity and diversity that will limit plant growth and productivity, and ultimately food production. Ensuring global food security and food safety will require an intensive research effort across the food chain, starting with crop production and the nutritional quality of the food products...
May 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29643029/-a-machine-learning-model-based-on-initial-gut-microbiome-data-for-predicting-changes-of-bifidobacterium-after-prebiotics-consumption
#4
Yue-Mei Luo, Fei-Tong Liu, Mu-Xuan Chen, Wen-Li Tang, Yue-Lian Yang, Xi-Lan Tan, Hong-Wei Zhou
OBJECTIVE: To investigate the effects of prebiotics supplementation for 9 days on gut microbiota structure and function and establish a machine learning model based on the initial gut microbiota data for predicting the variation of Bifidobacterium after prebiotic intake. METHODS: With a randomized double-blind self-controlled design, 35 healthy volunteers were asked to consume fructo-oligosaccharides (FOS) or galacto-oligosaccharides (GOS) for 9 days (16 g per day)...
March 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29623708/-gut-microbiota-its-development-and-relation-to-certain-diseases
#5
Hana Kiňová Sepová, Boris Dudík, Andrea Bilková
Coexistence of humans with microorganisms is well known for a long time. Besides the association with infectious diseases, personal microbiota is important for human health, possibly for some non-infectious diseases. Colonization of the human body with appropriate microorganisms after delivery is essential for physiological immune system maturation and also has an influence on central nervous system development. The composition of the gut microbiota is affected by the mode of delivery, early life nutrition and last but not least by lifestyle and drug, especially antibiotics intake...
2018: Ceská a Slovenská Farmacie
https://www.readbyqxmd.com/read/29610702/acidification-increases-abundances-of-vibrionales-and-planctomycetia-associated-to-a-seaweed-grazer-system-potential-consequences-for-disease-and-prey-digestion-efficiency
#6
Tania Aires, Alexandra Serebryakova, Frédérique Viard, Ester A Serrão, Aschwin H Engelen
Ocean acidification significantly affects marine organisms in several ways, with complex interactions. Seaweeds might benefit from rising CO2 through increased photosynthesis and carbon acquisition, with subsequent higher growth rates. However, changes in seaweed chemistry due to increased CO2 may change the nutritional quality of tissue for grazers. In addition, organisms live in close association with a diverse microbiota, which can also be influenced by environmental changes, with feedback effects. As gut microbiomes are often linked to diet, changes in seaweed characteristics and associated microbiome can affect the gut microbiome of the grazer, with possible fitness consequences...
2018: PeerJ
https://www.readbyqxmd.com/read/29599768/mother-s-milk-a-purposeful-contribution-to-the-development-of-the-infant-microbiota-and-immunity
#7
REVIEW
Kirsty Le Doare, Beth Holder, Aisha Bassett, Pia S Pannaraj
Breast milk is the perfect nutrition for infants, a result of millions of years of evolution. In addition to providing a source of nutrition, breast milk contains a diverse array of microbiota and myriad biologically active components that are thought to guide the infant's developing mucosal immune system. It is believed that bacteria from the mother's intestine may translocate to breast milk and dynamically transfer to the infant. Such interplay between mother and her infant is a key to establishing a healthy infant intestinal microbiome...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29590460/coffee-consumption-and-reduced-risk-of-developing-type-2-diabetes-a-systematic-review-with-meta-analysis
#8
Mattias Carlström, Susanna C Larsson
Context: Type 2 diabetes (T2D) is a major health problem worldwide that is associated with increased morbidity and mortality. There is increased interest in the value of different nutrition-based strategies for preventing the development of T2D. Objective: This review aims to cover current knowledge regarding the effects of coffee consumption on development of T2D or modulation of adverse complications. A meta-analysis on coffee consumption and the risk of T2D was conducted...
March 26, 2018: Nutrition Reviews
https://www.readbyqxmd.com/read/29589768/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#9
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Luc van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard G M Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition program. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including the management of micronutrient deficiencies, supply of convenient forms of energy and macronutrients, and provision of direct benefits to performance or indirect benefits such as supporting intense training regimens...
March 28, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29588076/intestinal-resection-associated-metabolic-syndrome
#10
Lauren Barron, Cathleen Courtney, James Bao, Emily Onufer, Roheena Z Panni, Bola Aladegbami, Brad W Warner
BACKGROUND: Short bowel syndrome occurs following massive small bowel resection (SBR) and is one of the most lethal diseases of childhood. We have previously demonstrated hepatic steatosis, altered gut microbiome, and increased fat deposition in our murine model of SBR. These novel findings prompted us to investigate potential alterations in glucose metabolism and systemic inflammation following intestinal resection. METHODS: Male C57BL6 mice underwent 50% proximal SBR or sham operation...
March 7, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29580847/parabens-and-measures-of-adiposity-among-adults-and-children-from-the-u-s-general-population-nhanes-2007-2014
#11
Lesliam Quirós-Alcalá, Jessie P Buckley, Meleah Boyle
BACKGROUND: Emerging experimental studies suggest that parabens could affect metabolism by altering the microbiome or signaling pathways involved in adipocyte differentiation. While human exposure to parabens is widespread, epidemiologic studies assessing the role of these chemicals on adiposity measures are scarce. OBJECTIVE: We examined associations of parabens with adiposity measures among adults and children in the U.S. general population. METHODS: We conducted covariate-adjusted linear and logistic regression models to examine associations between urinary biomarker concentrations of four parabens (butyl-BP, ethyl-EP, methyl-MP, and propyl paraben-PP) and measures of adiposity (obesity; body mass index, BMI or BMI z-score; and waist circumference) among 4730 adults (2007-2014) and 1324 children (2007-2012), participating in the National Health and Nutrition Examination Survey...
March 15, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29573218/understanding-environmental-contributions-to-autism-causal-concepts-and-the-state-of-science
#12
REVIEW
Irva Hertz-Picciotto, Rebecca J Schmidt, Paula Krakowiak
The complexity of neurodevelopment, the rapidity of early neurogenesis, and over 100 years of research identifying environmental influences on neurodevelopment serve as backdrop to understanding factors that influence risk and severity of autism spectrum disorder (ASD). This Keynote Lecture, delivered at the May 2016 annual meeting of the International Society for Autism Research, describes concepts of causation, outlines the trajectory of research on nongenetic factors beginning in the 1960s, and briefly reviews the current state of this science...
March 23, 2018: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29569377/immune-regulation-by-microbiome-metabolites
#13
REVIEW
Chang H Kim
Commensal microbes and the host immune system have been co-evolved for mutual regulation. Microbes regulate the host immune system, in part, by producing metabolites. A mounting body of evidence indicates that diverse microbial metabolites profoundly regulate the immune system via host receptors and other target molecules. Immune cells express metabolite-specific receptors such as P2X7 , GPR41, GPR43, GPR109A, aryl hydrocarbon receptor precursor (AhR), pregnane X receptor (PXR), farnesoid X receptor (FXR), TGR5 and other molecular targets...
March 22, 2018: Immunology
https://www.readbyqxmd.com/read/29567394/consistent-associations-with-beneficial-bacteria-in-the-seed-endosphere-of-barley-hordeum-vulgare-l
#14
Md Mahafizur Rahman, Elias Flory, Hans-Werner Koyro, Zainul Abideen, Adam Schikora, Christian Suarez, Sylvia Schnell, Massimiliano Cardinale
The importance of the plant microbiome for host fitness has led to the concept of the "plant holobiont". Seeds are reservoirs and vectors for beneficial microbes, which are very intimate partners of higher plants with the potential to connect plant generations. In this study, the endophytic seed microbiota of numerous barley samples, representing different cultivars, geographical sites and harvest years, was investigated. Cultivation-dependent and -independent analyses, microscopy, functional plate assays, greenhouse assays and functional prediction were used, with the aim of assessing the composition, stability and function of the barley seed endophytic bacterial microbiota...
March 13, 2018: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/29556373/studying-microbial-functionality-within-the-gut-ecosystem-by-systems-biology
#15
REVIEW
Bastian Hornung, Vitor A P Martins Dos Santos, Hauke Smidt, Peter J Schaap
Humans are not autonomous entities. We are all living in a complex environment, interacting not only with our peers, but as true holobionts; we are also very much in interaction with our coexisting microbial ecosystems living on and especially within us, in the intestine. Intestinal microorganisms, often collectively referred to as intestinal microbiota, contribute significantly to our daily energy uptake by breaking down complex carbohydrates into simple sugars, which are fermented to short-chain fatty acids and subsequently absorbed by human cells...
2018: Genes & Nutrition
https://www.readbyqxmd.com/read/29556107/nutritional-preferences-of-human-gut-bacteria-reveal-their-metabolic-idiosyncrasies
#16
Melanie Tramontano, Sergej Andrejev, Mihaela Pruteanu, Martina Klünemann, Michael Kuhn, Marco Galardini, Paula Jouhten, Aleksej Zelezniak, Georg Zeller, Peer Bork, Athanasios Typas, Kiran Raosaheb Patil
Bacterial metabolism plays a fundamental role in gut microbiota ecology and host-microbiome interactions. Yet the metabolic capabilities of most gut bacteria have remained unknown. Here we report growth characteristics of 96 phylogenetically diverse gut bacterial strains across 4 rich and 15 defined media. The vast majority of strains (76) grow in at least one defined medium, enabling accurate assessment of their biosynthetic capabilities. These do not necessarily match phylogenetic similarity, thus indicating a complex evolution of nutritional preferences...
March 19, 2018: Nature Microbiology
https://www.readbyqxmd.com/read/29554982/microbiome-and-ecotypic-adaption-of-holcus-lanatus-l-to-extremes-of-its-soil-ph-range-investigated-through-transcriptome-sequencing
#17
Ellen Young, Manus Carey, Andrew A Meharg, Caroline Meharg
BACKGROUND: Plants can adapt to edaphic stress, such as nutrient deficiency, toxicity and biotic challenges, by controlled transcriptomic responses, including microbiome interactions. Traditionally studied in model plant species with controlled microbiota inoculation treatments, molecular plant-microbiome interactions can be functionally investigated via RNA-Seq. Complex, natural plant-microbiome studies are limited, typically focusing on microbial rRNA and omitting functional microbiome investigations, presenting a fundamental knowledge gap...
March 20, 2018: Microbiome
https://www.readbyqxmd.com/read/29540367/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#18
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Lucas J C van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard Gm Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis P Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including (1) the management of micronutrient deficiencies, (2) supply of convenient forms of energy and macronutrients, and (3) provision of direct benefits to performance or (4) indirect benefits such as supporting intense training regimens...
April 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29530806/the-association-between-gut-microbiome-sex-age-and-body-condition-scores-of-horses-in-maiduguri-and-its-environs
#19
Esther Solomon Mshelia, Lawan Adamu, Yakaka Wakil, Usman Aliyu Turaki, Isa Adamu Gulani, Jasini Musa
The equine gut harbours complex microbial populations which influence physiology, metabolism, nutrition and immune functions, while disruption to the gut microbiota has been linked with conditions such as lameness, diabetes and obesity. Therefore, the present study was conducted to determine the association between microbial dysbiosis, sex, age and body condition scores (BCS) of horses (Equus equus caballus) in Maiduguri and its environs. Forty horses were assessed by convenient sampling, while faecal samples were collected and analyzed to determine the microbiomes in the various age groups with variable BSC in stallions and mares...
March 9, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29516151/-nutrition-microbiome-and-multiple-sclerosis-current-knowledge-from-basic-research-and-clinical-practice
#20
A Haghikia, R A Linker
Epidemiological data indicate a disproportional increase in the incidence of multiple sclerosis (MS) over the last decades, particularly in industrialized countries. Although this increase is also associated with altered diagnostic criteria and improved sensitivity of imaging procedures, current data suggest that particularly alterations in our way of life play an important role. In recent years the importance of the gut and intestinal microbiome for some neurological diseases and in particular for MS was recognized...
March 7, 2018: Der Nervenarzt
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