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Lactobacillus reuteri

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https://www.readbyqxmd.com/read/29774357/peyer-s-patch-specific-lactobacillus-reuteri-strains-increase-extracellular-microbial-dna-and-antimicrobial-peptide-expression-in-the-mouse-small-intestine
#1
Ce Qi, Jin Sun, Ya Li, Min Gu, Tim Goulette, Xiaomeng You, David A Sela, Xingguo Wang, Hang Xiao
Specific Lactobacillus reuteri is autochthonous Lactobacillus species in humans with potential application in food production as a probiotic. The difference in colonizing Peyer's patches (PP) might decide their health-promoting properties. We aimed to investigate the difference between PP- and lumen-specific L. reuteri on antimicrobial peptide expression in this study. L. reuteri strains were isolated from PP and the lumen of C57BL/6J mice, which were used to treat mice. PP-specific L. reuteri cells stimulate RegIIIγ mRNA expression of the crypt epithelial sample...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29768968/susceptibility-of-gut-indigenous-lactic-acid-bacteria-in-balb-c-mice-to-oral-administered-lactobacillus-plantarum
#2
Takashi Kuda, Yasushi Yokota, Yutaka Haraguchi, Hajime Takahashi, Bon Kimura
Cells of Lactobacillus plantarum strains AN1 and Tennozu-SU2 exert anti-inflammatory responses in ICR mouse models of inflammatory bowel disease and protective effects against S. Typhimurium infection in BALB/c mice, respectively. To clarify the existence of L. plantarum-susceptible gut indigenous bacteria, AN1 and Tennozu-SU2 cells were administered to BALB/c mice via drinking water. Gene amplicon sequencing of 16S rRNA of caecal content revealed that the AN1 and Tennozu-SU2 cells affected the abundance of caecal indigenous lactobacilli, but the effect on the dominant Clostridiales and Bacteroidales was not clear...
May 16, 2018: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29763353/effect-of-probiotic-lactobacillus-reuteri-on-salivary-cariogenic-bacterial-counts-among-groups-of-preschool-children-in-jeddah-saudi-arabia-a-randomized-clinical-trial
#3
Najlaa M Alamoudi, Eman S Almabadi, Eman A El Ashiry, Douaa A El Derwi
OBJECTIVES: To evaluate the effect of probiotic Lactobacilli reuteri lozenges on caries-associated salivary bacterial counts (Mutans streptococci and Lactobacillus), dental plaque accumulation, and salivary buffer capacity in a group of preschool children. STUDY DESIGN: The study group consisted of 178 healthy children (aged 3-6 years). Children were randomly grouped: the experimental group (n = 90) received L. reuteri probiotic lozenges and the control group (n = 88) received placebo lozenges, twice daily, for 28 days...
May 15, 2018: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29734688/skin-protective-nutraceuticals-the-current-evidence-in-brief
#4
Oroma Nwanodi
Nutraceuticals are important for healthy skin maintenance. Probiotics, phenolics, and vitamins are just a few of the nutraceuticals meant to potentially prevent and assist medical management of dermatologic conditions. Among these, probiotics, vitamin E, and green tea catechins may offer the broadest array of skin protective mechanisms with probiotics having the greatest clinical range. Probiotics’ amelioration of atopic dermatitis and opportunistic infections of skin burns has been targeted in recent research efforts...
May 4, 2018: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29726282/effect-of-probiotic-lozenges-containing-lactobacillus-reuteri-on-oral-wound-healing-a-pilot-study
#5
S Twetman, M K Keller, L Lee, T Yucel-Lindberg, A M Lynge Pedersen
It has been suggested that beneficial bacteria may stimulate wound healing. The aim was to investigate the effect of topical applications of probiotic lactobacilli on the healing of standardised oral wounds. This pilot study employed a randomised, placebo-controlled, double-blind cross-over design. Standardised biopsies were punched in the oral mucosa of 10 healthy volunteers, with and without exposure to two strains of Lactobacilli reuteri administrated as lozenges and topical oil. The healing was scored clinically after 2, 5 and 8 days...
May 4, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29725324/role-of-lactobacillus-reuteri-in-human-health-and-diseases
#6
REVIEW
Qinghui Mu, Vincent J Tavella, Xin M Luo
Lactobacillus reuteri ( L. reuteri ) is a well-studied probiotic bacterium that can colonize a large number of mammals. In humans, L. reuteri is found in different body sites, including the gastrointestinal tract, urinary tract, skin, and breast milk. The abundance of L. reuteri varies among different individuals. Several beneficial effects of L. reuteri have been noted. First, L. reuteri can produce antimicrobial molecules, such as organic acids, ethanol, and reuterin. Due to its antimicrobial activity, L...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29717078/privileged-incorporation-of-selenium-as-selenocysteine-in-lactobacillus-reuteri-proteins-demonstrated-by-selenium-specific-imaging-and-proteomics
#7
Eugenio Galano, Erika Mangiapane, Juliusz Bianga, Angelo Palmese, Enrica Pessione, Joanna Szpunar, Ryszard Lobinski, Angela Amoresano
No abstract text is available yet for this article.
May 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29706325/the-effect-of-pectins-on-survival-of-probiotic-lactobacillus-spp-in-gastrointestinal-juices-is-related-to-their-structure-and-physical-properties
#8
Nadja Larsen, Thiago Barbosa Cahú, Susana Marta Isay Saad, Andreas Blennow, Lene Jespersen
Pectins are plant polysaccharides used in food industry as gelling and stabilizing agents. This study investigated the ability of pectins to improve survival of probiotic species Lactobacillus fermentum PCC, L. reuteri RC-14, L. rhamnosus LGG and L. paracasei F-19 in simulated gastric solution in relationship to their structural and physical properties. Electrostatic interactions between pectins and bacteria were evaluated by the Zeta-potential approach. Bacterial survival was assessed by flow cytometry and plate counting...
September 2018: Food Microbiology
https://www.readbyqxmd.com/read/29705426/potential-probiotic-characterization-of-lactobacillus-reuteri-from-traditional-chinese-highland-barley-wine-and-application-for-room-temperature-storage-drinkable-yogurt
#9
Su Chen, Lin Chen, Lie Chen, Xueliang Ren, Hongjuan Ge, Baolei Li, Guanghui Ma, Xueqin Ke, Jun Zhu, Li Li, Yuhong Feng, Yanjun Li
The aim of this study was to select probiotic strains that could be used in drinkable yogurt to yield viable cells following storage at room temperature (RT). The uniquely high altitude conditions in Tibet and the alcoholic environment of certain products, such as the highland barley wine homemade in Tibet, may induce unusual characteristics of microbial strains. A total of 27 lactic acid bacteria were isolated from homemade highland barley wines. One strain, Lactobacillus reuteri WHH1689, demonstrated no ability for lactose utilization, exhibited a high survival rate during storage at RT in drinkable yogurts, and produced very weak post-acidification...
April 25, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29704030/nanospray-desorption-electrospray-ionization-mass-spectrometry-of-untreated-and-treated-probiotic-lactobacillus-reuteri-cells
#10
Agbo-Oma Uwakweh, Joseph N Mwangi, Daniel Todd, Zhenquan Jia, Norman H L Chiu
Mass spectrometry has proven to be a useful technique for rapid identification of bacterial cells. Among various ionization techniques in mass spectrometry, matrix-assisted laser desorption/ionization (MALDI) has been commonly used for the identification of bacterial cells. Recently, MALDI mass spectrometry has also been utilized to distinguish cellular responses. Ambient ionization techniques do support whole bacterial cell analysis, which include desorption electrospray ionization (DESI). Nanospray DESI (nDESI) is a new variant of DESI, and its application to whole-cell mass spectrometry is limited...
April 28, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29703365/probiotic-lactobacillus-reuteri-effective-in-treating-infantile-colic-and-is-associated-with-inflammatory-marker-reduction
#11
J Marc Rhoads
No abstract text is available yet for this article.
May 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29690879/clustering-of-pan-and-core-genome-of-lactobacillus-provides-novel-evolutionary-insights-for-differentiation
#12
Raffael C Inglin, Leo Meile, Marc J A Stevens
BACKGROUND: Bacterial taxonomy aims to classify bacteria based on true evolutionary events and relies on a polyphasic approach that includes phenotypic, genotypic and chemotaxonomic analyses. Until now, complete genomes are largely ignored in taxonomy. The genus Lactobacillus consists of 173 species and many genomes are available to study taxonomy and evolutionary events. RESULTS: We analyzed and clustered 98 completely sequenced genomes of the genus Lactobacillus and 234 draft genomes of 5 different Lactobacillus species, i...
April 24, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29667480/the-human-gut-microbiota-metabolism-and-perspective-in-obesity
#13
Aline Corado Gomes, Christian Hoffmann, João Felipe Mota
The gut microbiota has been recognized as an important factor in the development of metabolic diseases such as obesity and is considered an endocrine organ involved in the maintenance of energy homeostasis and host immunity. Dysbiosis can change the functioning of the intestinal barrier and the gut-associated lymphoid tissues (GALT) by allowing the passage of structural components of bacteria, such as lipopolysaccharides (LPS), which activate inflammatory pathways that may contribute to the development of insulin resistance...
April 18, 2018: Gut Microbes
https://www.readbyqxmd.com/read/29659876/effects-of-lactobacillus-reuteri-lr1-on-the-growth-performance-intestinal-morphology-and-intestinal-barrier-function-in-weaned-pigs
#14
Hongbo Yi, Guangda Yang, Yunxia Xiong, Xiaolu Wen, Zhilin Wang, Xuefen Yang, Kaiguo Gao, Li Wang, Zongyong Jiang
The objective of this study was to investigate the effects of Lactobacillus reuteri LR1, a new strain isolated from the feces of weaned pigs, on the growth performance, intestinal morphology, immune responses, and intestinal barrier function in weaned pigs. A total of 144 weaned pigs (Duroc × Landrace × Yorkshire, 21 d of age) with an initial BW of 6.49 ± 0.02 kg were randomly assigned to 3 dietary treatments with 8 replicate pens, each of per treatment and 6 pigs. Pigs were fed a basal diet (CON, controls), the basal diet supplemented with 100 mg/kg olaquindox and 75 mg/kg aureomycin (OA) or the basal diet supplemented with 5×1010 cfu/kg L...
April 12, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29652493/reprogramming-probiotic-lactobacillus-reuteri-as-a-biosensor-for-staphylococcus-aureus-derived-aip-i-detection
#15
David Lubkowicz, Chun Loong Ho, In Young Hwang, Wen Shan Yew, Yung Seng Lee, Matthew Wook Chang
Gram-positive Staphylococcus aureus infection that results in pneumonia, urinary tract infection, and in severe cases, sepsis, has recently been classified as a serious threat to public health. Rapid and cost-effective detection of these infections are costly and time-consuming. Here, we present probiotic lactic acid bacteria engineered to detect autoinducer peptide-I (AIP-I), a quorum sensing molecule produced by Staphylococcus sp. during pathogenesis. We achieved this by adapting the well-characterized agr quorum sensing ( agrQS) from Staphylococcus aureus into Lactobacillus reuteri...
April 13, 2018: ACS Synthetic Biology
https://www.readbyqxmd.com/read/29650970/crosstalk-between-gut-microbiota-and-sirtuin-3-in-colonic-inflammation-and-tumorigenesis
#16
Yong Zhang, Xiao-Lan Wang, Min Zhou, Chao Kang, He-Dong Lang, Meng-Ting Chen, Suo-Cheng Hui, Bin Wang, Man-Tian Mi
Colorectal cancer (CRC) is a disease involving a variety of genetic and environmental factors. Sirtuin-3 (Sirt3) is expressed at a low level in cancer tissues of CRC, but it is unclear how Sirt3 modulates colonic tumorigenesis. In this study, we found that gut microbiota play a central role in the resistance to CRC tumor formation in wild-type (WT) mice through APC (Adenomatous Polyposis Coli)-mutant mouse microbiota transfer via Wnt signaling. We also found that Sirt3-deficient mice were hypersusceptible to colonic inflammation and tumor development through altered intestinal integrity and p38 signaling, respectively...
April 13, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29650440/the-effectiveness-of-lactobacillus-reuteri-dsm-17938-as-an-adjunct-to-macrogol-in-the-treatment-of-functional-constipation-in-children-a-randomized-double-blind-placebo-controlled-multicentre-trial
#17
Agnieszka Wegner, Aleksandra Banaszkiewicz, Jaroslaw Kierkus, Piotr Landowski, Anna Korlatowicz-Bilar, Sabina Wiecek, Jaroslaw Kwiecien, Agnieszka Gawronska, Lukasz Dembinski, Grazyna Czaja-Bulsa, Piotr Socha
OBJECTIVE: Constipation is one of the most common problems among children, with a prevalence ranging from 7 to 30%. It is treated with defecation training and laxative medications. However, many patients do not respond to the standard therapy. There is, therefore, an increasing interest in probiotics for the treatment of functional constipation. STUDY DESIGN: The aim of this study was to assess the effectiveness of Lactobacillus reuteri DSM 17938 as an adjunct to macrogol in the treatment of functional, intractable constipation in children...
April 9, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29648878/protective-effect-of-lactobacillus-reuteri-dsm-17938-against-experimental-necrotizing-enterocolitis-is-mediated-by-toll-like-receptor-2
#18
Thomas K Hoang, Baokun He, Ting Wang, Dat Q Tran, Jon Marc Rhoads, Yuying Liu
Lactobacillus reuteri DSM 17938 (LR 17938) has been shown to reduce the incidence and severity of necrotizing enterocolitis (NEC). It is unclear if preventing NEC by LR 17938 is mediated by toll-like receptor 2 (TLR2), which is known to mediate pro-inflammatory responses to bacterial cell wall components. NEC was induced in newborn TLR2-/- or WT mice by the combination of gavage-feeding cow milk-based formula and exposure to hypoxia and cold stress. Treatment groups were administered formula supplemented with LR 17938 or placebo (MRS media)...
April 12, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29627914/the-influence-of-feed-supplementation-with-probiotic-strain-lactobacillus-reuteri-ccm-8617-and-alginite-on-intestinal-microenvironment-of-spf-mice-infected-with-salmonella-typhimurium-ccm-7205
#19
Soňa Gancarčíková, Radomíra Nemcová, Miroslav Popper, Gabriela Hrčková, Ľuboslava Sciranková, Marián Maďar, Dagmar Mudroňová, Štefan Vilček, Rudolf Žitňan
Alginite is a non-ore raw material arising by fossilization of accumulated organic (algae) and inorganic material, particularly clay, carbonates, quartz, and amorphous modification of silicic acid in the aqueous environment. Humic acids as a component of organic portion of alginite are known for very good buffering ability which allows them to stabilise pH throughout the digestion system of animals, stimulate receptors of the immune system in intestinal villi against pathogenic bacteria, and support proliferation and activity of beneficial bacteria (lactobacilli, bifidobacteria, and similar)...
April 7, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29627251/a-selective-medium-for-the-enumeration-and-differentiation-of-lactobacillus-delbrueckii-ssp-bulgaricus
#20
Nwadiuto O Nwamaioha, Salam A Ibrahim
Modified reinforced clostridial medium (mRCM) was developed and evaluated for the differential enumeration of Lactobacillus delbrueckii ssp. bulgaricus. Lactobacillus bulgaricus, an important species of lactic acid bacteria with health benefits, is used in the production of yogurt and other fermented foods. Our results showed that supplementing reinforced clostridial medium with 0.025% CaCl2 , 0.01% uracil, and 0.2% Tween 80 (mRCM) significantly enhanced the growth rate of L. bulgaricus RR and ATCC 11842 strains as measured by the optical densities of these strains after 12 h of incubation at 42°C...
April 4, 2018: Journal of Dairy Science
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