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Nutrition microbiome

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https://www.readbyqxmd.com/read/28434033/the-gut-microbiome-as-a-target-for-prevention-and-treatment-of-hyperglycaemia-in-type-2-diabetes-from-current-human-evidence-to-future-possibilities
#1
REVIEW
Louise Brunkwall, Marju Orho-Melander
The totality of microbial genomes in the gut exceeds the size of the human genome, having around 500-fold more genes that importantly complement our coding potential. Microbial genes are essential for key metabolic processes, such as the breakdown of indigestible dietary fibres to short-chain fatty acids, biosynthesis of amino acids and vitamins, and production of neurotransmitters and hormones. During the last decade, evidence has accumulated to support a role for gut microbiota (analysed from faecal samples) in glycaemic control and type 2 diabetes...
April 22, 2017: Diabetologia
https://www.readbyqxmd.com/read/28425133/fecal-microbiota-signatures-of-adult-patients-with-different-types-of-short-bowel-syndrome
#2
Yuhua Huang, Feilong Guo, Yousheng Li, Jian Wang, Jieshou Li
BACKGROUND AND AIM: Short bowel syndrome (SBS) is a common cause of intestinal failure and can be divided into three types depending on intestinal anatomy. Gut dysbiosis has been observed in pediatric SBS patients and is associated with impaired outcome. Little is known about the changes in gut microbiota of adult SBS patients. Therefore, we aim to characterize the fecal microbiota of adult patients with different types of SBS. METHODS: Fifteen fecal samples from healthy controls and adult patients with type II or type III SBS were collected (five in each group)...
April 19, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28414763/enhanced-offspring-predisposition-to-steatohepatitis-with-maternal-high-fat-diet-is-associated-with-epigenetic-and-microbiome-alterations
#3
Umesh D Wankhade, Ying Zhong, Ping Kang, Maria Alfaro, Sree V Chintapalli, Keshari M Thakali, Kartik Shankar
OBJECTIVE: Non-alcoholic fatty liver disease (NAFLD) is an important co-morbidity associated with obesity and a precursor to steatohepatitis. However, the contributions of gestational and early life influences on development of NAFLD and NASH remain poorly appreciated. METHODS: Two independent studies were performed to examine whether maternal over-nutrition via exposure to high fat diet (HFD) leads to exacerbated hepatic responses to post-natal HFD and methionine choline deficient (MCD) diets in the offspring...
2017: PloS One
https://www.readbyqxmd.com/read/28399400/phr1-balances-between-nutrition-and-immunity-in-plants
#4
Hans Motte, Tom Beeckman
Plants assemble beneficial root-associated microbiomes to support growth, especially in nutrient-poor conditions. To do so, however, plants have to suppress their immune system. Reporting in Nature, Castrillo et al. (2017) identified PHOSPHATE STARVATION RESPONSE1 (PHR1) as a central regulator in this balance between nutrient stress response and immune regulation.
April 10, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28387720/gene-diet-interaction-and-precision-nutrition-in-obesity
#5
REVIEW
Yoriko Heianza, Lu Qi
The rapid rise of obesity during the past decades has coincided with a profound shift of our living environment, including unhealthy dietary patterns, a sedentary lifestyle, and physical inactivity. Genetic predisposition to obesity may have interacted with such an obesogenic environment in determining the obesity epidemic. Growing studies have found that changes in adiposity and metabolic response to low-calorie weight loss diets might be modified by genetic variants related to obesity, metabolic status and preference to nutrients...
April 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28376573/the-gut-microbiome
#6
Mayenaaz Sidhu, David van der Poorten
BACKGROUND: More than a trillion, mostly good, microbes live within our gastrointestinal tract and are responsible for vital metabolic, immune and nutritional functions. Dysbiosis, meaning a maladaptive imbalance of the microbiome, is associated with many common diseases and is a target for therapy. OBJECTIVE: This article provides an overview of the gut microbiome in health and disease, highlighting conditions such as Clostridium difficile infection, inflammatory bowel disease, irritable bowel syndrome, obesity and non-alcoholic fatty liver disease, with which dysbiosis is associated...
2017: Australian Family Physician
https://www.readbyqxmd.com/read/28376052/which-dietary-components-modulate-longitudinal-growth
#7
Galia Gat-Yablonski, Michal Yackobovitch-Gavan, Moshe Phillip
PURPOSE OF REVIEW: Linear growth in children is sensitive to nutritional status; the growth of the human skeleton requires many different nutritional factors for energy and building blocks: proteins, lipids, carbohydrates and micronutrients. However, what are the specific nutritional factors that are required for proper growth and what is the composition that will be most beneficial is still not known. RECENT FINDINGS: Recent findings indicate that macro and micronutrients are required as building blocks and as cofactors for important enzymes...
May 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28367147/multi-omics-analysis-reveals-a-correlation-between-the-host-phylogeny-gut-microbiota-and-metabolite-profiles-in-cyprinid-fishes
#8
Tongtong Li, Meng Long, Huan Li, François-Joël Gatesoupe, Xujie Zhang, Qianqian Zhang, Dongyue Feng, Aihua Li
Gut microbiota play key roles in host nutrition and metabolism. However, little is known about the relationship between host genetics, gut microbiota and metabolic profiles. Here, we used high-throughput sequencing and gas chromatography/mass spectrometry approaches to characterize the microbiota composition and the metabolite profiles in the gut of five cyprinid fish species with three different feeding habits raised under identical husbandry conditions. Our results showed that host species and feeding habits significantly affect not only gut microbiota composition but also metabolite profiles (ANOSIM, p ≤ 0...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28367086/characterization-of-the-serum-and-liver-proteomes-in-gut-microbiota-lacking-mice
#9
Yu-Tang Tung, Ying-Ju Chen, Hsiao-Li Chuang, Wen-Ching Huang, Chun-Tsung Lo, Chen-Chung Liao, Chi-Chang Huang
Current nutrition research is focusing on health promotion, disease prevention, and performance improvement for individuals and communities around the world. The humans with required nutritional ingredients depend on both how well the individual is provided with balanced foods and what state of gut microbiota the host has. Studying the mutually beneficial relationships between gut microbiome and host is an increasing attention in biomedical science. The purpose of this study is to understand the role of gut microbiota and to study interactions between gut microbiota and host...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28346561/reduced-intestinal-motility-mucosal-barrier-function-and-inflammation-in-aged-monkeys
#10
E L Mitchell, A T Davis, K Brass, M Dendinger, R Barner, R Gharaibeh, A A Fodor, K Kavanagh
OBJECTIVE: We aimed to examine the general health and intestinal physiology of young and old non-human primates with comparable life histories and dietary environments. DESIGN: Vervet monkeys (Chlorcebus aethiops sabaeus) in stable and comparable social and nutritional environments were selected for evaluation. Health phenotype, circulating cytokines and biomarkers of microbial translocation (MT) were measured (n=26-44). Subsets of monkeys additionally had their intestinal motility, intestinal permeability, and fecal microbiomes characterized...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28333693/pediatric-intestinal-failure-associated-liver-disease
#11
Cathleen M Courtney, Brad W Warner
PURPOSE OF REVIEW: The goal of this review is to provide updates on the definition, pathophysiology, treatment, and prevention of intestinal failure-associated liver disease (IFALD) that are relevant to care of pediatric patients. RECENT FINDINGS: Current literature emphasizes the multifactorial nature of IFALD. The pathogenesis is still largely unknown; however, molecular pathways have been identified. Key to these pathways are proinflammatory cytokines involved in hepatic inflammation and bile acids synthesis such as Toll-like receptor 4 and farnesoid X receptor, respectively...
March 22, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28320307/perturbation-of-microbiota-in-one-day-old-broiler-chickens-with-antibiotic-for-24-hours-negatively-affects-intestinal-immune-development
#12
Dirkjan Schokker, Alfons J M Jansman, Gosse Veninga, Naomi de Bruin, Stephanie A Vastenhouw, Freddy M de Bree, Alex Bossers, Johanna M J Rebel, Mari A Smits
BACKGROUND: Gut microbial colonization and development of immune competence are intertwined and are influenced by early-life nutritional, environmental, and management factors. Perturbation of the gut microbiome at young age affects the crosstalk between intestinal bacteria and host cells of the intestinal mucosa. RESULTS: We investigated the effect of a perturbation of the normal early life microbial colonization of the jejunum in 1-day old chickens. Perturbation was induced by administering 0...
March 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28318782/role-of-the-microbiome-in-swine-respiratory-disease
#13
REVIEW
Megan C Niederwerder
Microbiome is a term used to describe the community of microorganisms that live on the skin and mucosal surfaces of animals. The gastrointestinal microbiome is essential for proper nutrition and immunity. How the gastrointestinal microbiome impacts primary respiratory or systemic infections is an emerging area of study. Porcine reproductive and respiratory syndrome (PRRS) is caused by a systemic virus infection with primary lung pathology and continues to be the most costly disease of swine worldwide. Recent studies have demonstrated that improved outcome after experimental infection with PRRS virus and porcine circovirus type 2 (PCV2) is associated with increased fecal microbiome diversity and the presence of non-pathogenic Escherichia coli...
March 2, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28318400/new-frontiers-in-fibers-innovative-and-emerging-research-on-the-gut-microbiome-and-bone-health
#14
Taylor C Wallace, Massimo Marzorati, Lisa Spence, Connie M Weaver, Patricia S Williamson
The complex interactions between the diet, gut microbiome, and host characteristics that provide a functional benefit to the host are an area of great interest and current exploration in the nutrition and health science community. New technologies are available to assess mechanisms that may explain these functional benefits to the host. One emerging functional benefit from changes in the gut microbiome is increased calcium absorption, increased calcium retention, and improved indices of bone health. Prebiotic fibers enhance microbial fermentation in the gut, providing an ecological advantage to specific nonpathogenic bacteria that have the ability to modify an individual's metabolic potential...
March 20, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28317399/recent-advances-in-pediatric-celiac-disease
#15
Grace J Lee, John Y Kao
The incidence of celiac disease (CD) has increased over the last half-century, resulting in rising interest in identifying risk factors for CD. The necessity of duodenal biopsies in the diagnosis of CD has recently been challenged. Areas covered: This review covers the recent literature regarding the role of infant feeding practices, including breastfeeding and timing of gluten introduction, and the microbiota in the development of CD. Additionally, the application of the European Society for Pediatric Gastroenterology, Hepatology, and Nutrition guidelines for a non-biopsy approach to the diagnosis of CD is reviewed...
March 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28315860/determinants-and-duration-of-impact-of-early-gut-bacterial-colonization
#16
Christine Ann Edwards
BACKGROUND: An increasing number of studies show low diversity of the gut microbiome in those with chronic diseases such as obesity, inflammatory bowel disease, and allergy. Manipulation of the microbiota may promote health. However, the adult microbiota is stable and may be difficult to change. Understanding the fixed and modifiable factors, which determine colonization in early life, may provide strategies for acquisition of a health-promoting microbiome. SUMMARY: Not enough is known about the long-term effects of established determinants of gut colonization, including delivery mode, perinatal antibiotics, and infant diet...
March 18, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28300773/the-low-fodmap-diet-many-question-marks-for-a-catchy-acronym
#17
REVIEW
Giulia Catassi, Elena Lionetti, Simona Gatti, Carlo Catassi
FODMAP, "Fermentable Oligo-, Di- and Mono-saccharides And Polyols", is a heterogeneous group of highly fermentable but poorly absorbed short-chain carbohydrates and polyols. Dietary FODMAPs might exacerbate intestinal symptoms by increasing small intestinal water volume, colonic gas production, and intestinal motility. In recent years the low-FODMAP diet for treatment of irritable bowel syndrome (IBS) has gained increasing popularity. In the present review we aim to summarize the physiological, clinical, and nutritional issues, suggesting caution in the prolonged use of this dietary treatment on the basis of the existing literature...
March 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28298634/weaning-age-influences-the-severity-of-gastrointestinal-microbiome-shifts-in-dairy-calves
#18
S J Meale, S C Li, P Azevedo, H Derakhshani, T J DeVries, J C Plaizier, M A Steele, E Khafipour
Ruminants microbial consortium is responsible for ruminal fermentation, a process which converts fibrous feeds unsuitable for human consumption into desirable dairy and meat products, begins to establish soon after birth. However, it undergoes a significant transition when digestion shifts from the lower intestine to ruminal fermentation. We hypothesised that delaying the transition from a high milk diet to an exclusively solid food diet (weaning) would lessen the severity of changes in the gastrointestinal microbiome during this transition...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28297714/root-microbiota-drive-direct-integration-of-phosphate-stress-and-immunity
#19
Gabriel Castrillo, Paulo José Pereira Lima Teixeira, Sur Herrera Paredes, Theresa F Law, Laura de Lorenzo, Meghan E Feltcher, Omri M Finkel, Natalie W Breakfield, Piotr Mieczkowski, Corbin D Jones, Javier Paz-Ares, Jeffery L Dangl
Plants live in biogeochemically diverse soils with diverse microbiota. Plant organs associate intimately with a subset of these microbes, and the structure of the microbial community can be altered by soil nutrient content. Plant-associated microbes can compete with the plant and with each other for nutrients, but may also carry traits that increase the productivity of the plant. It is unknown how the plant immune system coordinates microbial recognition with nutritional cues during microbiome assembly. Here we establish that a genetic network controlling the phosphate stress response influences the structure of the root microbiome community, even under non-stress phosphate conditions...
March 23, 2017: Nature
https://www.readbyqxmd.com/read/28296930/seasonal-changes-in-the-digesta-adherent-rumen-bacterial-communities-of-dairy-cattle-grazing-pasture
#20
Samantha J Noel, Graeme T Attwood, Jasna Rakonjac, Christina D Moon, Garry C Waghorn, Peter H Janssen
The complex microbiota that resides within the rumen is responsible for the break-down of plant fibre. The bacteria that attach to ingested plant matter within the rumen are thought to be responsible for initial fibre degradation. Most studies examining the ecology of this important microbiome only offer a 'snapshot' in time. We monitored the diversity of rumen bacteria in four New Zealand dairy cows, grazing a rye-grass and clover pasture over five consecutive seasons, using high throughput pyrosequencing of bacterial 16S rRNA genes...
2017: PloS One
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