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Probiotic AND METABOLISM

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https://www.readbyqxmd.com/read/28105862/structural-data-and-immunomodulatory-properties-of-a-water-soluble-heteroglycan-extracted-from-the-mycelium-of-an-italian-isolate-of-ganoderma-lucidum
#1
Raffaele Carrieri, Rosanna Manco, Daniela Sapio, Marco Iannaccone, Andrea Fulgione, Marina Papaianni, Bruna de Falco, Laura Grauso, Paola Tarantino, Flora Ianniello, Virginia Lanzotti, Ernesto Lahoz, Rosanna Capparelli
Mushrooms produce a wide range of bioactive polysaccharides, different from each other in chemical structure and biological effects. In the last years, the idea to develop functional foods or drugs containing fungal polysaccharides is attracting great attention. Fruiting bodies of Basidiomycetes Ganoderma lucidum are commonly used in Oriental medicine to treat several disorders. G. lucidum polysaccharides - mainly β-glucans and heteroglycans - have numerous biological properties such as antitumour and immunomodulatory activities...
January 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28105081/cross-feeding-of-glucose-metabolism-byproducts-of-escherichia-coli-human-gut-isolates-and-probiotic-strains-affect-survival-of-vibrio-cholerae
#2
Chirantana Sengupta, Manjula Ekka, Saurabh Arora, Prashant D Dhaware, Rukhsana Chowdhury, Saumya Raychaudhuri
Vibrio cholerae converts glucose into either acid or the neutral end product acetoin and its survival in carbohydrate enriched media is linked to the nature of the byproducts produced. It has been demonstrated in this study that Escherichia coli strain isolated from the gut of healthy human volunteers and the commonly used probiotic E. coli Nissle strain that metabolize glucose to acidic byproducts drastically reduce the survival of V. cholerae strains irrespective of their glucose sensitivity and acetoin production status...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28096137/introduction-to-the-yogurt-in-nutrition-initiative-at-the-first-symposium-of-yogurt-in-mexico-the-balanced-diet-initiative
#3
REVIEW
Armando R Tovar, Guadalupe Herrera
In some European countries, yogurt consumption is common. However, such consumption is not common in Latin America, particularly in Mexico, partially because of the lack of a cultural tradition of consuming yogurt. Moreover, we also know that little information about the health benefits associated with yogurt consumption has been provided to the Mexican population. Thus, there is an immediate need to provide, at least to the nutrition community in the country, current scientific evidence about the health benefits of yogurt, with the aim that yogurt be included as part of the functional foods recommended to the population...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28071925/gene-editing-and-genetic-engineering-approaches-for-advanced-probiotics-a-review
#4
Ruby Yadav, Vishal Kumar, Mehak Baweja, Pratyoosh Shukla
The applications of probiotics are significant and thus resulted in need of genome analysis of probiotic strains. Various omics methods and systems biology approaches enables us to understand and optimize the metabolic processes. These techniques have increased the researcher's attention towards gut microbiome and provided a new source for the revelation of uncharacterized biosynthetic pathways which enables novel metabolic engineering approaches. In recent years, the broad and quantitative analysis of modified strains relies on systems biology tools such as in silico design which are commonly used methods for improving strain performance...
January 10, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28070331/effects-of-bacillus-subtilis-csl2-on-the-composition-and-functional-diversity-of-the-faecal-microbiota-of-broiler-chickens-challenged-with-salmonella-gallinarum
#5
Ju Kyoung Oh, Edward Alain B Pajarillo, Jong Pyo Chae, In Ho Kim, Dong Soo Yang, Dae-Kyung Kang
BACKGROUND: The chicken gastrointestinal tract contains a diverse microbiota whose composition and structure play important roles in gut functionality. In this study, microbial shifts resulting from feed supplementation with Bacillus subtilis CSL2 were evaluated in broilers challenged and unchallenged with Salmonella Gallinarum. To analyse bacterial community composition and functionality, 454 GS-FLX pyrosequencing of 16S rRNA gene amplicons was performed. RESULTS: The Quantitative Insights into Microbial Ecology (QIIME) pipeline was used to analyse changes in the faecal microbiota over a 24-h period...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28069054/the-effect-of-a-novel-probiotic-on-metabolic-biomarkers-in-adults-with-prediabetes-and-recently-diagnosed-type-2-diabetes-mellitus-study-protocol-for-a-randomized-controlled-trial
#6
Talia Palacios, Luis Vitetta, Samantha Coulson, Claire D Madigan, Gareth S Denyer, Ian D Caterson
BACKGROUND: Shifts in the gastrointestinal microbiome have been shown to contribute to the progression of metabolic diseases including prediabetes and type 2 diabetes mellitus. Research suggests that in-vivo modulation of the gut microbiome by specific probiotic microorganisms may improve insulin sensitivity and blood sugar management, preventing or delaying the development of type 2 diabetes mellitus. However, further research is needed to understand the effect of probiotics as a therapy for the treatment of metabolic diseases...
January 9, 2017: Trials
https://www.readbyqxmd.com/read/28045221/comparative-proteomics-of-oxidative-stress-response-of-lactobacillus-acidophilus-ncfm-reveals-effects-on-dna-repair-and-cysteine-de-novo-synthesis
#7
Elia Calderini, Hasan Ufuk Celebioglu, Julia Villarroel, Susanne Jacobsen, Birte Svensson, Enrica Pessione
Probiotic cultures encounter oxidative conditions during manufacturing, yet protein abundance changes induced by such stress have not been characterized for some of the most common probiotics and starters. This comparative proteomics investigation focuses on the response by Lactobacillus acidophilus NCFM to H2 O2, simulating an oxidative environment. Bacterial growth was monitored by BioScreen and batch cultures were harvested at exponential phase for protein profiling of stress responses by 2D gel-based comparative proteomics...
January 3, 2017: Proteomics
https://www.readbyqxmd.com/read/28042926/the-potential-impact-of-gut-microbiota-on-your-health-current-status-and-future-challenges
#8
Stitaya Sirisinha
Our health and probably also our behaviors and mood depend not only on what we eat or what we do (lifestyle behaviors), but also on what we host. It is well established for decades that all vertebrates including humans are colonized by a wide array of bacteria, fungi, eukaryotic parasites and viruses, and that, at steady state (homeostasis), this community of microbes establishes a friendly mutual relationship with the host. The term microbiota was originally meant to represent an ecological community of commensals and potentially pathogenic microbes that live within our bodies, but it is now used interchangeably with the term microbiome which was initially meant to represent a collective genome of the microbiota...
December 2016: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28041735/beneficial-effects-of-probiotic-cholesterol-lowering-strain-of-enterococcus-faecium-wefa23-from-infants-on-diet-induced-metabolic-syndrome-in-rats
#9
Fen Zhang, Liang Qiu, Xiongpeng Xu, Zhengqi Liu, Hui Zhan, Xueying Tao, Nagendra P Shah, Hua Wei
The aim of this study was to select probiotic Enterococcus strains which have the potential to improve metabolic syndrome (MS). Ten Enterococcus strains isolated from healthy infants were evaluated for their probiotic properties in vitro, and Enterococcus faecium WEFA23 was selected due to its cholesterol removal ability (1.89 ± 0.07 mg/10(10) cfu), highest glycodeoxycholic acid-hydrolase activity (1.86 ± 0.01 U/mg), and strong adhesion capacity to Caco-2 cells (17.90 ± 0.19%). The safety of E. faecium WEFA23 was verified by acute oral administration in mice, and it was found to have no adverse effects on general health status, bacterial translocation, and gut mucosal histology...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28038333/ultrasound-attenuation-of-lactobacilli-and-bifidobacteria-effect-on-some-technological-and-probiotic-properties
#10
Angela Racioppo, Maria Rosaria Corbo, Claudia Piccoli, Milena Sinigaglia, Barbara Speranza, Antonio Bevilacqua
Attenuation can be regarded as a tool to modulate the metabolism of probiotic bacteria and, consequently, a strategy to reduce the acidification of the active drinks. Attenuation can be done through chemical and physical approaches and ultrasound (US) is a possibility, previously tested to modulate the metabolism of lactic acid bacteria inoculated in a rice drink, but no data are available on the effect of this treatment of the overall profile of probiotic bacteria. Therefore, the main topic of this paper was to study the effect of US-attenuation on some properties of Lactobacillus reuteri, Lactobacillus plantarum, Bifidobacterium longum, and Bifidobacterium infantis (survival at pH2, and 2...
December 21, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28035338/human-gut-microbiota-and-healthy-aging-recent-developments-and-future-prospective
#11
REVIEW
Manish Kumar, Parizad Babaei, Boyang Ji, Jens Nielsen
The human gut microbiota alters with the aging process. In the first 2-3 years of life, the gut microbiota varies extensively in composition and metabolic functions. After this period, the gut microbiota demonstrates adult-like more stable and diverse microbial species. However, at old age, deterioration of physiological functions of the human body enforces the decrement in count of beneficial species (e.g. Bifidobacteria) in the gut microbiota, which promotes various gut-related diseases (e.g. inflammatory bowel disease)...
October 27, 2016: Nutr Healthy Aging
https://www.readbyqxmd.com/read/28029408/gut-microbiota-and-allergy-asthma-from-pathogenesis-to-new-therapeutic-strategies
#12
REVIEW
Y B Kang, Y Cai, H Zhang
Asthma and atopy, classically associated with hyper-activation of the T helper 2 (Th2) arm of adaptive immunity, are among the most common chronic illnesses worldwide. Emerging evidence relates atopy and asthma to the composition and function of gut microbiota composition. Moreover, certain gut microbial strains have been shown to inhibit or attenuate immune responses associated with chronic inflammation in experimental models. Although still a relatively nascent field of research, evidence to date suggests that the gut microbiome may represent fertile targets for prevention or management of allergic asthma and other diseases in which adaptive immune dysfunction is a prominent feature...
October 28, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28029082/probiotics-in-curing-allergic-and-inflammatory-conditions-research-progress-and-futuristic-vision
#13
Kuldeep Dhama, Shyma K Latheef, Ashok Kumar Munjal, Rekha Khandia, Hari Abdul Samad, Hafiz M N Iqbal, Sunil K Joshi
BACKGROUND: Probiotics constitute the viable and beneficial microbes, which offer a dietary means to sustain the balance of gastro-intestinal (GI) microflora. Owing to their multiple health benefits, these have recently gained wide attention among researchers for exploring their potential in safeguarding the health of humans and animals. Probiotics could also modulate host-immune responses, thereby help in counteracting the immunological dysfunctions. Probiotics can inhibit the systemic invasion of pathogens entering through the GI mucosa/ oral cavity and have been found to possess effective prophylactic and therapeutic utilities against various infectious pathogens as well as non-infectious diseases and disorders...
December 26, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/28018095/gastrointestinal-neuromuscular-apparatus-an-underestimated-target-of-gut-microbiota
#14
EDITORIAL
Michele Pier Luca Guarino, Michele Cicala, Lorenza Putignani, Carola Severi
Over the last few years, the importance of the resident intestinal microbiota in the pathogenesis of several gastro-intestinal diseases has been largely investigated. Growing evidence suggest that microbiota can influence gastro-intestinal motility. The current working hypothesis is that dysbiosis-driven mucosal alterations induce the production of several inflammatory/immune mediators which affect gut neuro-muscular functions. Besides these indirect mucosal-mediated effects, the present review highlights that recent evidence suggests that microbiota can directly affect enteric nerves and smooth muscle cells functions through its metabolic products or bacterial molecular components translocated from the intestinal lumen...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28013406/simulated-microgravity-affects-some-biological-characteristics-of-lactobacillus-acidophilus
#15
Dongyan Shao, Linbo Yao, Muhammad Shahid Riaz, Jing Zhu, Junling Shi, Mingliang Jin, Qingsheng Huang, Hui Yang
The effects of weightlessness on enteric microorganisms have been extensively studied, but have mainly been focused on pathogens. As a major component of the microbiome of the human intestinal tract, probiotics are important to keep the host healthy. Accordingly, understanding their changes under weightlessness conditions has substantial value. This study was carried out to investigate the characteristics of Lactobacillus acidophilus, a typical probiotic for humans, under simulated microgravity (SMG) conditions...
December 24, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28009106/metabolic-effects-of-lactobacillus-reuteri-dsm-17938-in-patients-with-type-2-diabetes-a-randomized-controlled-trial
#16
Reza Mobini, Valentina Tremaroli, Marcus Ståhlman, Fredrik Karlsson, Max Levin, Maria Ljungberg, Maja Sohlin, Heléne Bertéus Forslund, Rosie Perkins, Fredrik Bäckhed, Per-Anders Jansson
AIMS: To investigate the metabolic effects of 12-week oral supplementation with Lactobacillus reuteri DSM 17938 in patients with type 2 diabetes on insulin therapy. MATERIALS AND METHODS: In a double-blind trial, we randomized 46 patients with type 2 diabetes to placebo or a low (10(8) CFU/day) or high dose (10(10) CFU/day) of L. reuteri DSM 17938 for 12 weeks. The primary endpoint was the effect of supplementation on glycated hemoglobin (HbA1c). Secondary endpoints were insulin sensitivity (assessed by glucose clamp), liver fat content, body composition, body fat distribution, fecal microbiota composition and serum bile acids...
December 23, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28008784/therapeutic-interventions-for-gut-dysbiosis-and-related-disorders-in-the-elderly-antibiotics-probiotics-or-faecal-microbiota-transplantation
#17
R C Vemuri, R Gundamaraju, T Shinde, R Eri
Ageing and physiological functions of the human body are inversely proportional to each other. The gut microbiota and host immune system co-evolve from infants to the elderly. Ageing is accompanied by a decline in gut microbial diversity, immunity and metabolism, which increases susceptibility to infections. Any compositional change in the gut is directly linked to gastrointestinal disorders, obesity and metabolic diseases. Increase in opportunistic pathogen invasion in the gut like Clostridium difficile leading to C...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/28001147/effects-of-weight-loss-using-supplementation-with-lactobacillus-strains-on-body-fat-and-medium-chain-acylcarnitines-in-overweight-individuals
#18
Minkyung Kim, Minjoo Kim, Miso Kang, Hye Jin Yoo, Min Sun Kim, Young-Tae Ahn, Jae-Hun Sim, Sun Ha Jee, Jong Ho Lee
Our previous study showed that supplementation with a combination of Lactobacillus curvatus (L. curvatus) HY7601 and Lactobacillus plantarum (L. plantarum) KY1032 reduced the body weight, body fat percentage, body fat mass and L1 subcutaneous fat area in overweight subjects. We aimed to evaluate whether the changes in adiposity after supplementation with Lactobacillus strains were associated with metabolic intermediates. A randomized, double-blind, placebo-controlled study was conducted on 66 non-diabetic and overweight individuals...
December 21, 2016: Food & Function
https://www.readbyqxmd.com/read/28000755/the-balance-of-metagenomic-elements-shapes-the-skin-microbiome-in-acne-and-health
#19
Emma Barnard, Baochen Shi, Dezhi Kang, Noah Craft, Huiying Li
Studies have emphasized the importance of disease-associated microorganisms in perturbed communities, however, the protective roles of commensals are largely under recognized and poorly understood. Using acne as a model disease, we investigated the determinants of the overall virulence property of the skin microbiota when disease- and health-associated organisms coexist in the community. By ultra-deep metagenomic shotgun sequencing, we revealed higher relative abundances of propionibacteria and Propionibacterium acnes phage in healthy skin...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27995830/mechanisms-responsible-for-the-hypocholesterolaemic-effect-of-regular-consumption-of-probiotics
#20
S A Reis, L L Conceição, D D Rosa, N P Siqueira, M C G Peluzio
CVD affect a large proportion of the world's population, with dyslipidaemia as the major risk factor. The regular consumption of both probiotic bacteria and yeast has been associated with improvement in the serum lipid profile. Thus, the present review aims to describe and discuss the potential mechanisms responsible for the hypocholesterolaemic effect of regular consumption of probiotic bacteria and yeast. Regarding the hypocholesterolaemic effect of probiotic bacteria, the potential mechanisms responsible include: deconjugation of bile salts; modulation of lipid metabolism; and decreased absorption of intestinal cholesterol through co-precipitation of intestinal cholesterol with the deconjugated bile salts, incorporation and assimilation of cholesterol in the cell membrane of the probiotics, intestinal conversion of cholesterol in coprostanol, and inhibition of the expression of the intestinal cholesterol transporter Niemann-Pick C1 like 1 (NPC1L1) in the enterocytes...
December 20, 2016: Nutrition Research Reviews
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