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https://www.readbyqxmd.com/read/28453774/effect-of-dietary-bacteriophage-supplementation-on-internal-organs-fecal-excretion-and-ileal-immune-response-in-laying-hens-challenged-by-salmonella-enteritidis
#1
P A Adhikari, D E Cosby, N A Cox, J H Lee, W K Kim
With the current researches on replacing antibiotics with different dietary interventions, bacteriophages (BP) are potential antimicrobial intervention because of their ability to affect specific bacteria. A study was conducted to evaluate the role of BP against Salmonella enterica serovar Enteritidis (SE) on SE internal organs colonization and ileum immune response in laying hens. Hens were challenged both orally and intracloacally with 108 cfu/mL cells of nalidixic acid resistant Salmonella Enteritidis (SENAR)...
April 26, 2017: Poultry Science
https://www.readbyqxmd.com/read/28453589/-effects-of-prebiotics-and-probiotics-on-gastrointestinal-tract-lymphoid-tissue-in-hiv-infected-patients
#2
Manuel G Feria, Natalia A Taborda, Juan C Hernandez, María T Rugeles
HIV infection induces alterations in almost all immune cell populations, mainly in CD4+ T cells, leading to the development of opportunistic infections. The gut-associated lymphoid tissue (GALT) constitutes the most important site for viral replication, because the main target cells, memory T-cells, reside in this tissue. It is currently known that alterations in GALT are critical during the course of the infection, as HIV-1 induces loss of tissue integrity and promotes translocation of microbial products from the intestinal lumen to the systemic circulation, leading to a persistent immune activation state and immune exhaustion...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28446909/clinical-evidence-for-the-microbiome-in-inflammatory-diseases
#3
REVIEW
Ann E Slingerland, Zaker Schwabkey, Diana H Wiesnoski, Robert R Jenq
Clinical evidence is accumulating for a role of the microbiome in contributing to or modulating severity of inflammatory diseases. These studies can be organized by various organ systems involved, as well as type of study approach utilized, whether investigators compared the microbiome of cases versus controls, followed patients longitudinally, or intervened with antibiotics, prebiotics, or bacterial introduction. In this review, we summarize the clinical evidence supporting the microbiome as an important mechanism in the onset and maintenance of inflammation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28446711/chemical-roots-of-biological-evolution-the-origins-of-life-as-a-process-of-development-of-autonomous-functional-systems
#4
REVIEW
Kepa Ruiz-Mirazo, Carlos Briones, Andrés de la Escosura
In recent years, an extension of the Darwinian framework is being considered for the study of prebiotic chemical evolution, shifting the attention from homogeneous populations of naked molecular species to populations of heterogeneous, compartmentalized and functionally integrated assemblies of molecules. Several implications of this shift of perspective are analysed in this critical review, both in terms of the individual units, which require an adequate characterization as self-maintaining systems with an internal organization, and also in relation to their collective and long-term evolutionary dynamics, based on competition, collaboration and selection processes among those complex individuals...
April 2017: Open Biology
https://www.readbyqxmd.com/read/28443073/feed-supplementation-with-red-seaweeds-chondrus-crispus-and-sarcodiotheca-gaudichaudii-reduce-salmonella-enteritidis-in-laying-hens
#5
Garima Kulshreshtha, Bruce Rathgeber, Janice MacIsaac, Martine Boulianne, Lehoux Brigitte, Glenn Stratton, Nikhil A Thomas, Alan T Critchley, Jeff Hafting, Balakrishnan Prithiviraj
Salmonella Enteritidis is vertically transmitted to eggs from laying hens through infected ovaries and oviducts. S. Enteritidis can also penetrate the eggshell from contaminated feces. Reducing S. Enteritidis in laying hens is vital to provide safer eggs and minimize the spread of salmonellosis to humans. Antibiotics have been widely used to control bacterial diseases in broilers and laying hens. However, there is a major concern that the use of antibiotics leads to the development of antibiotic resistance and adverse effects on microbiota of the treated birds...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28439463/molecular-assessment-of-the-fecal-microbiota-in-healthy-cats-and-dogs-before-and-during-supplementation-with-fructo-oligosaccharides-fos-and-inulin-using-high-throughput-454-pyrosequencing
#6
Jose F Garcia-Mazcorro, Jose R Barcenas-Walls, Jan S Suchodolski, Jörg M Steiner
Prebiotics are selectively fermentable dietary compounds that result in changes in the composition and/or activity of the intestinal microbiota, thus conferring benefits upon host health. In veterinary medicine, commercially available products containing prebiotics have not been well studied with regard to the changes they trigger on the composition of the gut microbiota. This study evaluated the effect of a commercially available nutraceutical containing fructo-oligosaccharides (FOS) and inulin on the fecal microbiota of healthy cats and dogs when administered for 16 days...
2017: PeerJ
https://www.readbyqxmd.com/read/28437458/isomalto-oligosaccharides-ameliorate-visceral-hyperalgesia-with-repair-damage-of-ileal-epithelial-ultrastructure-in-rats
#7
Weida Wang, Haiwei Xin, Xiucai Fang, Hongtao Dou, Fangyi Liu, Dan Huang, Shaomei Han, Guijun Fei, Liming Zhu, Shenghua Zha, Hong Zhang, Meiyun Ke
BACKGROUND: Treatment of irritable bowel syndrome (IBS) with probiotics has achieved effectiveness to a certain extent. Whether prebiotics will work is still unclear. This study aimed to investigate the therapeutic effects of the prebiotic isomalto-oligosaccharides (IMO) on visceral hypersensitivity (VHS) in rats and to explore potential mechanism. METHODS: Water avoidance stress (WAS) was used to induce VHS in rats. The score for the abdominal withdrawal reflex (AWR) was determined while colorectal distension and compared between VHS group and control group in order to validate VHS preparation...
2017: PloS One
https://www.readbyqxmd.com/read/28437132/home-enteral-nutrition-updates-trends-and-challenges
#8
Karen Martin, Gabriela Gardner
The true prevalence of home enteral nutrition (HEN) utilization is unclear and requires further study. HEN therapy has remained virtually unchanged for several decades. However, new trends in HEN are evolving; enteral nutrition is undergoing changes ranging from enteral feeding devices, ingredients used, practice innovations, and challenges with reimbursement. A 2006 Joint Commission call to action that reported 2 sentinel events related to misconnections set things into motion for the transition of enteral device connectors to become specific for enteral nutrition use, which will affect patients who receive HEN...
April 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28434881/muramyl-dipeptide-based-postbiotics-mitigate-obesity-induced-insulin-resistance-via-irf4
#9
Joseph F Cavallari, Morgan D Fullerton, Brittany M Duggan, Kevin P Foley, Emmanuel Denou, Brennan K Smith, Eric M Desjardins, Brandyn D Henriksbo, Kalvin J Kim, Brian R Tuinema, Jennifer C Stearns, David Prescott, Philip Rosenstiel, Brian K Coombes, Gregory R Steinberg, Jonathan D Schertzer
Intestinal dysbiosis contributes to obesity and insulin resistance, but intervening with antibiotics, prebiotics, or probiotics can be limited by specificity or sustained changes in microbial composition. Postbiotics include bacterial components such as lipopolysaccharides, which have been shown to promote insulin resistance during metabolic endotoxemia. We found that bacterial cell wall-derived muramyl dipeptide (MDP) is an insulin-sensitizing postbiotic that requires NOD2. Injecting MDP lowered adipose inflammation and reduced glucose intolerance in obese mice without causing weight loss or altering the composition of the microbiome...
April 6, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28433150/production-of-prebiotic-xylooligosaccharides-from-alkali-pretreated-mahogany-and-mango-wood-sawdust-by-using-purified-xylanase-of-clostridium-strain-boh3
#10
Gobinath Rajagopalan, Kavitha Shanmugavelu, Kun-Lin Yang
Xylooligosaccharides (XOS) are emerging prebiotics which can be produced from lignocellulosic biomass including agro-residues and hardwood. In this study, we report the production of XOS from thermal-alkali pretreated hardwood such as mahogany and mango by using a purified xylanase from Clostridium strain BOH3. In the first approach, pure xylan is extracted from mahogany and mango hardwood and then the pure xylan is hydrolyzed by using the xylanase. In this case, 572 and 504mg XOS/g pure xylan were obtained from mahogany and mango woods, respectively...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28429701/-microbiota-and-metabolic-syndrome
#11
Yüksel Altuntaş, Adnan Batman
The role of gut bacteria in the pathogenesis and treatment of various diseases has been a focus of attention in the last 10 years. Prevalence of diabetes, obesity, and cardiovascular diseases continues to increase, in spite of technological developments and treatment alternatives. Microbial dysbiosis, described as the decrease of useful bacteria and the increase of harmful bacteria, has been associated with diabetes, obesity, atherosclerosis, and metabolic syndrome. In microbial dysbiosis, increase of harmful metabolites and changes to composition of bile acids occur via carbohydrate and protein fermentation...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28421057/gut-microbiota-modulation-and-its-relationship-with-obesity-using-prebiotic-fibers-and-probiotics-a-review
#12
REVIEW
Dinesh K Dahiya, Renuka, Monica Puniya, Umesh K Shandilya, Tejpal Dhewa, Nikhil Kumar, Sanjeev Kumar, Anil K Puniya, Pratyoosh Shukla
In the present world scenario, obesity has almost attained the level of a pandemic and is progressing at a rapid rate. This disease is the mother of all other metabolic disorders, which apart from placing an added financial burden on the concerned patient also has a negative impact on his/her well-being and health in the society. Among the various plausible factors for the development of obesity, the role of gut microbiota is very crucial. In general, the gut of an individual is inhabited by trillions of microbes that play a significant role in host energy homeostasis by their symbiotic interactions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28418214/colonic-gas-homeostasis-mechanisms-of-adaptation-following-host-g904-galactooligosaccharide-use-in-humans
#13
M Mego, A Accarino, G Tzortzis, J Vulevic, G Gibson, F Guarner, F Azpiroz
BACKGROUND: We have shown that a galactooligosaccharide prebiotic administration (HOST-G904) initially increased intestinal gas production and this increase declined back to baseline after 2 week administration. Our aim was to determine the mechanism of microbiota adaptation; i.e., to determine whether the net reduction is due to decreased overall production or increased gas consumption. METHODS: In 10 healthy subjects, intestinal gas production and intraluminal disposal was measured before, at the beginning and after 2 week of HOST-G904 prebiotic administration...
April 18, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28417455/an-efficient-process-for-obtaining-of-prebiotic-oligosaccharides-derived-from-lactulose-using-isomerised-and-purified-whey-permeate
#14
Carlos Sabater, Agustín Olano, Marin Prodanov, Antonia Montilla, Nieves Corzo
BACKGROUND: One of the most promising uses of whey permeate (WP) is the synthesis of prebiotic oligosaccharides. Herein, commercial WP was submitted to chemical isomerisation catalysed by sodium borate at an alkaline pH and subsequent purification using anion-exchange resins to remove boron. Afterwards, purified mixtures were used to synthesise prebiotic oligosaccharides using β-galactosidase from Bacillus circulans. RESULTS: Isomerisation of concentrated WP (200 g L(-1) lactose) gave rise to levels of lactulose up to 155...
April 18, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28416884/determination-of-soluble-dietary-fibre-content-of-okara-treated-with-high-hydrostatic-pressure-and-enzymes-a-comparative-evaluation-of-two-methods-aoac-and-hplc-elsd
#15
E Pérez-López, I Mateos-Aparicio, P Rupérez
ABSTRACT: Okara is a promising by-product from soybean and a rich source of dietary fibre, chiefly insoluble (IDF). To increase its solubility and functionality, a treatment with high hydrostatic pressure (HHP) assisted by food grade enzymes -Ultraflo(®) L or Viscozyme(®) L- has been performed. To monitor the effectiveness, an analysis of dietary fibre, mainly the soluble fraction (SDF), was accomplished by the AOAC enzymatic-gravimetric method with dialysis followed by both, spectrophotometric methods and High Performance Liquid Chromatography with Evaporative Light Scattering Detector (HPLC-ELSD) analysis of the soluble fraction...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28415353/noise-induced-symmetry-breaking-far-from-equilibrium-and-the-emergence-of-biological-homochirality
#16
Farshid Jafarpour, Tommaso Biancalani, Nigel Goldenfeld
The origin of homochirality, the observed single-handedness of biological amino acids and sugars, has long been attributed to autocatalysis, a frequently assumed precursor for early life self-replication. However, the stability of homochiral states in deterministic autocatalytic systems relies on cross-inhibition of the two chiral states, an unlikely scenario for early life self-replicators. Here we present a theory for a stochastic individual-level model of autocatalytic prebiotic self-replicators that are maintained out of thermal equilibrium...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28413905/pre-meal-inulin-consumption-does-not-affect-acute-energy-intake-in-overweight-and-obese-middle-aged-and-older-adults
#17
Katarina Smiljanec, Cassie M Mitchell, Olivia F Privitera, Andrew P Neilson, Kevin P Davy, Brenda M Davy
BACKGROUND: Three-fourths of adults older than 55 years in the United States are overweight or obese. Prebiotics including inulin-type fructans may benefit with weight management. AIM: We aimed to investigate the acute effects of pre-meal inulin consumption on energy intake (EI) and appetite in older adults. METHODS: Sedentary, overweight or obese middle-aged and older adults ( n = 7, 60.9 ± 4.4 years, BMI 32.9 ± 4.3 kg/m(2)) ingested inulin (10 g) or a water preload before each test period in a randomly assigned order...
January 1, 2017: Nutrition and Health
https://www.readbyqxmd.com/read/28413079/mexican-consensus-on-dyspepsia
#18
R Carmona-Sánchez, O Gómez-Escudero, M Zavala-Solares, M V Bielsa-Fernández, E Coss-Adame, A I Hernández-Guerrero, F Huerta-Iga, M E Icaza-Chávez, M A Lira-Pedrín, J A Lizárraga-López, A López-Colombo, A Noble-Lugo, J Pérez-Manauta, R H Raña-Garibay, J M Remes-Troche, J L Tamayo, L F Uscanga, F Zamarripa-Dorsey, M A Valdovinos Díaz, J A Velarde-Ruiz Velasco
Since the publication of the 2007 dyspepsia guidelines of the Asociación Mexicana de Gastroenterología, there have been significant advances in the knowledge of this disease. A systematic search of the literature in PubMed (01/2007 to 06/2016) was carried out to review and update the 2007 guidelines and to provide new evidence-based recommendations. All high-quality articles in Spanish and English were included. Statements were formulated and voted upon using the Delphi method. The level of evidence and strength of recommendation of each statement were established according to the GRADE system...
April 13, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28410921/a-randomized-trial-to-determine-the-impact-of-a-digestion-resistant-starch-composition-on-the-gut-microbiome-in-older-and-mid-age-adults
#19
Michelle J Alfa, David Strang, Paramjit S Tappia, Morag Graham, Gary Van Domselaar, Jessica D Forbes, Vanessa Laminman, Nancy Olson, Pat DeGagne, David Bray, Brenda-Lee Murray, Brenden Dufault, Lisa M Lix
BACKGROUND: The elderly often have a diet lacking resistant starch (RS) which is thought to lead to gut microbiome dysbiosis that may result in deterioration of gut colonocytes. OBJECTIVE: The primary objective was to assess if elderly (ELD; ≥ 70 years age) had microbiome dysbiosis compared to mid-age (MID; 30-50 years age) adults and then determine the impact of daily consumption of MSPrebiotic(®) (a RS) or placebo over 3 months on gut microbiome composition...
March 31, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28408909/the-maternal-diet-gut-bacteria-and-bacterial-metabolites-during-pregnancy-influence-offspring-asthma
#20
REVIEW
Lawrence E K Gray, Martin O'Hely, Sarath Ranganathan, Peter David Sly, Peter Vuillermin
This review focuses on the current evidence that maternal dietary and gut bacterial exposures during pregnancy influence the developing fetal immune system and subsequent offspring asthma. Part 1 addresses exposure to a farm environment, antibiotics, and prebiotic and probiotic supplementation that together indicate the importance of bacterial experience in immune programming and offspring asthma. Part 2 outlines proposed mechanisms to explain these associations including bacterial exposure of the fetoplacental unit; immunoglobulin-related transplacental transport of gut bacterial components; cytokine signaling producing fetomaternal immune alignment; and immune programming via metabolites produced by gut bacteria...
2017: Frontiers in Immunology
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