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https://www.readbyqxmd.com/read/28819629/mixed-lactobacillus-plantarum-strains-inhibit-staphylococcus-aureus-induced-inflammation-and-ameliorate-intestinal-microflora-in-mice
#1
Dayong Ren, Shengjie Gong, Jingyan Shu, Jianwei Zhu, Fengjun Rong, Zhenye Zhang, Di Wang, Liangfeng Gao, Tianming Qu, Hongyan Liu, Ping Chen
Objective. Staphylococcus aureus is an important pathogen that causes intestinal infection. We examined the immunomodulatory function of single and mixed Lactobacillus plantarum strains, as well as their impacts on the structure of the microbiome in mice infected with Staphylococcus aureus. The experiment was divided into three groups: protection, treatment, and control. Serum IFN-γ and IL-4 levels, as well as intestinal sIgA levels, were measured during and 1 week after infection with Staphylococcus aureus with and without Lactobacillus plantarum treatment...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28818724/enzyme-sensitive-smart-inulin-dehydropeptide-conjugate-self-assembles-into-nanostructures-useful-for-targeted-delivery-of-ornidazole
#2
Kriti Shivhare, Charu Garg, Ayushi Priyam, Alka Gupta, Ashwani Kumar Sharma, Pradeep Kumar
Molecular self-assembly of biodegradable amphiphilic polymers allows rational design of biocompatible nanomaterials for drug delivery. Use of substituted polysaccharides for such applications offers the ease of design and synthesis, and provides higher biofunctionality and biocompatibility to nanomaterials. The present work focuses on the synthesis, characterization and potential biomedical applications of self-assembled polysaccharide-based materials. We demonstrated that the synthesized amphiphilic inulin self-assembled in aqueous medium into nanostructures with average size in the range of 146-486nm and encapsulated hydrophobic therapeutic molecule, ornidazole...
August 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28764082/biotransformation-and-metabolism-of-three-mulberry-anthocyanin-monomers-by-rat-gut-microflora
#3
Yao Chen, Qian Li, Ting Zhao, Zhen Zhang, Guanghua Mao, Weiwei Feng, Xiangyang Wu, Liuqing Yang
Anthocyanins (ACNs) are naturally occurring components of human diet. Evidence has accumulated regarding the positive association of their intake with chronic disease. Because microbiota has been considered as a metabolic organ, the bacterial-dependent metabolisms of three types of ACNs from mulberry fruits (cyanidin-3-glucoside (C3G), cyanidin-3-rutinoside (C3R), delphinidin-3-rutinoside (D3R)) during a simulation of large intestine conditions were investigated. ACNs and metabolites were analysed and characterized by high performance liquid chromatography-electrospray ionization-mass spectrum (HPLC-ESI-MS/MS)...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28761979/probiotics-and-probiotic-metabolic-product-improved-intestinal-function-and-ameliorated-lps-induced-injury-in-rats
#4
Bo Deng, Jie Wu, Xiaohui Li, Xiaoming Men, Ziwei Xu
In the present study, we sought to determine the effects of Bacillus subtilis (BAS) and Bacillus licheniformis (BAL) in rats after lipopolysaccharide (LPS)-induced acute intestinal inflammation. We also determined whether the B. subtilis metabolic product (BASM) is as effective as the live-cell probiotic. 60 male SD rats were randomly assigned to five groups and administered a diet containing 0.05% B. licheniformis (BAL group), 0.05% B. subtilis (BAS group), 0.5% B. subtilis metabolic product (BASM group), or a basic diet (PC group and NC group) for 40 days...
July 31, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28757024/16s-rrna-genes-illumina-sequencing-revealed-differential-cecal-microbiome-in-specific-pathogen-free-chickens-infected-with-different-subgroup-of-avian-leukosis-viruses
#5
Xinxin Ma, Qi Wang, Hongmei Li, Chuantian Xu, Ning Cui, Xiaomin Zhao
Intestinal flora play important roles in the pathogenisis of many pathogens. This study examined the cecal microbiome of chickens infected with avian leukosis virus (ALV) using 16S rRNA genes Illumina sequencing. One-day-old specific pathogen free chicks were inoculated in the abdomen with subgroup J or K of ALV. At 21-day-old, chickens positive for ALV viremia were selected and their cecal contents were extracted and examined for the composition of gut microflora by illumina sequencing of the V3+V4 region of the 16S rRNA genes...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28754012/intra-amniotic-administration-gallus-gallus-of-cicer-arietinum-and-lens-culinaris-prebiotics-extracts-and-duck-egg-white-peptides-affects-calcium-status-and-intestinal-functionality
#6
Tao Hou, Nikolai Kolba, Raymond P Glahn, Elad Tako
Calcium (Ca) is one of the most abundant inorganic elements in the human body and has many important physiological roles. Prebiotics and bioactive peptides are two important substances used to promote calcium uptake. However, the difference in mechanisms of the calcium uptake from these two supplements is not clear. By using the Gallus gallus model and the intra-amniotic administration procedure, the aim of this study was to investigate whether Ca status, intestinal functionality, and health-promoting bacterial populations were affected by prebiotics extracted from chickpea and lentil, and duck egg white peptides (DPs)...
July 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28744281/age-related-variations-in-intestinal-microflora-of-free-range-and-caged-hens
#7
Yizhe Cui, Qiuju Wang, Shengjun Liu, Rui Sun, Yaqiang Zhou, Yue Li
Free range feeding pattern puts the chicken in a mixture of growth materials and enteric bacteria excreted by nature, while it is typically unique condition materials and enteric bacteria in commercial caged hens production. Thus, the gastrointestinal microflora in two feeding patterns could be various. However, it remains poorly understood how feeding patterns affect development and composition of layer hens' intestinal microflora. In this study, the effect of feeding patterns on the bacteria community in layer hens' gut was investigated using free range and caged feeding form...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28737708/functional-comparison-for-lipid-metabolism-and-intestinal-and-fecal-microflora-enzyme-activities-between-low-molecular-weight-chitosan-and-chitosan-oligosaccharide-in-high-fat-diet-fed-rats
#8
Chen-Yuan Chiu, Shih-An Feng, Shing-Hwa Liu, Meng-Tsan Chiang
The present study investigated and compared the regulatory effects on the lipid-related metabolism and intestinal disaccharidase/fecal bacterial enzyme activities between low molecular weight chitosan and chitosan oligosaccharide in high-fat-diet-fed rats. Diet supplementation of low molecular weight chitosan showed greater efficiency than chitosan oligosaccharide in suppressing the increased weights in body and in liver and adipose tissues of high-fat-diet-fed rats. Supplementation of low molecular weight chitosan also showed a greater improvement than chitosan oligosaccharide in imbalance of plasma, hepatic, and fecal lipid profiles, and intestinal disaccharidase activities in high-fat-diet-fed rats...
July 24, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28735320/in-vitro-interaction-between-fumonisin-b-sub-1-sub-and-the-intestinal-microflora-of-pigs
#9
Huu Anh Dang, Attila Zsolnai, Melinda Kovacs, Istvan Bors, Andras Bonai, Brigitta Bota, Judit Szabo Fodor
The caecal chyme of pigs was incubated anaerobically in McDougall buffer with and without fumonisin B1 (5 μg/ml) for 0, 24 and 48 h. The plate count agar technique was applied for enumerating the amount of bacteria including aerobic, anaerobic bacteria, coliform, Escherichia coli and Lactobacillus sp. The quantitative polymerase chain reaction was also performed to estimate the number of copies of the total bacteria, Lactobacillus, Bacteroides and Prevotella. No significant differences in the amount of bacterial groups between the experimental (buffer, chyme, and fumonisin B1) and control 1 groups (buffer + chyme) were observed in both methods...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28732111/characterization-of-metabolic-pathways-and-absorption-of-sea-cucumber-saponins-holothurin-a-and-echinoside-a-in-vitro-and-in-vivo
#10
Shanshan Song, Lingyu Zhang, Jian Cao, Gao Xiang, Peixu Cong, Ping Dong, Zhaojie Li, Changhu Xue, Yong Xue, Yuming Wang
Sea cucumber saponins (SCSs) exhibit a wide spectrum of bioactivities, but their metabolic characteristics are not well elucidated. In this study, the metabolism of holothurin A (HA) and echinoside A (EA), 2 major saponins in sea cucumber, by gut microflora were investigated. First, we conducted an in vitro study, where in the SCSs were incubated with intestinal microflora and the metabolites were detected by high pressure liquid chromatography-high resolution mass spectrometry. We also conducted an in vivo study on rats, where in the intestinal contents, serum, urine, and feces were collected and evaluated after oral administration of SCSs...
July 21, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28728393/effects-of-dietary-supplementation-of-detoxified-rhus-verniciflua-sap-on-egg-production-yolk-lipid-and-intestinal-microflora-in-laying-hens
#11
Byoung-Ki An, Je-Hun Kim, Lan Zheng, Byung-Hern Moon, Kyung-Woo Lee
Objective: This study was conducted to investigate the effects of dietary detoxified Rhus verniciflua sap (RVS) on production performance, egg quality, lipid fractions of egg yolk, liver and serum, and the profile of cecal microflora in laying hens. Methods: Two hundred 52-week-old Hy-Line Brown layers were randomly divided into 4 groups with 5 replicates per group (2 hens per cage, 5 cages per replicate) and were provided with one of 4 experimental diets containing 0, 0...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28661219/feeding-of-the-water-extract-from-ganoderma-lingzhi-to-rats-modulates-secondary-bile-acids-intestinal-microflora-mucins-and-propionate-important-to-colon-cancer
#12
Yongshou Yang, Dwi Eva Nirmagustina, Thanutchaporn Kumrungsee, Yukako Okazaki, Hiroyuki Tomotake, Norihisa Kato
Consumption of reishi mushroom has been reported to prevent colon carcinogenesis in rodents, although the underlying mechanisms remain unclear. To investigate this effect, rats were fed a high-fat diet supplemented with 5% water extract from either the reishi mushroom (Ganoderma lingzhi) (WGL) or the auto-digested reishi G. lingzhi (AWGL) for three weeks. Both extracts markedly reduced fecal secondary bile acids, such as lithocholic acid and deoxycholic acid (colon carcinogens). These extracts reduced the numbers of Clostridium coccoides and Clostridium leptum (secondary bile acids-producing bacteria) in a per g of cecal digesta...
September 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28659893/live-probiotic-lactobacillus-johnsonii-bs15-promotes-growth-performance-and-lowers-fat-deposition-by-improving-lipid-metabolism-intestinal-development-and-gut-microflora-in-broilers
#13
Hesong Wang, Xueqin Ni, Xiaodan Qing, Dong Zeng, Min Luo, Lei Liu, Guangyao Li, Kangcheng Pan, Bo Jing
Numerous studies have focused on the beneficial effects of probiotics in animals. Even so, additional information should be obtained about the mechanisms by which a useful probiotic strain successfully exerts such beneficial effects. In this study, we evaluated the effect of the dietary supplementation of both live and disrupted Lactobacillus johnsonii (LJ) strain BS15 in broilers at different ages. Specifically, growth performance, lipid metabolism, gut microbiota, intestinal development, and digestive ability of the broilers were assessed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28659559/microflora-in-the-soft-tissue-of-the-pacific-oyster-crassostrea-gigas-exposed-to-the-harmful-microalga-heterosigma-akashiwo
#14
Shinkuro Takenaka, Takeshi Yoshikawa, Shusaku Kadowaki, Suguru Okunishi, Hiroto Maeda
 A marine raphidophyte Heterosigma akashiwo is a causative agent of harmful microalgal blooms, which often cause the massive mortality of aquacultured finfish. In the present study, the Pacific oyster Crassostrea gigas was reared with H. akashiwo, and effect of the microalga on filter-feeding behavior and microflora of the gastrointestinal tract was investigated. The intake of the raphidophyte cells inhibited the molluscan filter-feeding activities, suggesting the negative physiological effect of the microalgal cell contents...
2017: Biocontrol Science
https://www.readbyqxmd.com/read/28655217/preventing-subclinical-necrotic-enteritis-through-lactobacillus-johnsonii-bs15-by-ameliorating-lipid-metabolism-and-intestinal-microflora-in-broiler-chickens
#15
Xiaodan Qing, Dong Zeng, Hesong Wang, Xueqin Ni, Lei Liu, Jing Lai, Abdul Khalique, Kangcheng Pan, Bo Jing
Increasing studies have focused on the beneficial effects of Lactobacillus johnsonii in certain diseases. Here, we studied the prevention ability of a probiotic strain, L. johnsonii BS15 on subclinical necrotic enteritis (SNE), and its underlying mechanism. 180 male Cobb 500 chicks were randomly allotted into three groups and administrated with BS15 (1 × 10(6) cfu/g) or Man Rogosa Sharpe liquid medium throughout a 28-day experimental period. With the exception of the normal group, SNE infection was treated for the remaining experimental period after the chicks were fed with normal diet 14 days...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28650782/effect-of-probiotic-yogurt-and-xylitol-containing-chewing-gums-on-salivary-s-mutans-count
#16
Elnaz Ghasemi, Romina Mazaheri, Arezoo Tahmourespour
BACKGROUND AND AIMS: In addition to improving gastrointestinal health and intestinal microflora, probiotic bacteria have been recently suggested to decrease cariogenic agents in the oral cavity. The aim of this study was to investigate the effects of probiotic yogurt and xylitol-containing chewing gums on reducing salivary Streptococcus mutans levels. STUDY DESIGN: This randomized clinical trial recruited 50 female students with over 10(5) colony forming units S...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28649508/isolation-of-shewanella-putrefaciens-in-an-elderly-man-with-subacute-intestinal-obstruction-appendicitis
#17
Arif Maqsood Ali, Muhammad Noorulamin, Shazia Arif
Shewanella is Gram-negative motile bacillus, non fermentative and facultative anaerobe. Its natural habitat is all forms of water and soil, but has also been isolated from fish, dairy products, oils, and carcasses. Often found with microflora of the marine environment. Bacterial infections with Shewanella spp. are rare. The exposure to the marine environment, sea and diary food are considered as a risk factor for Shewanella spp. infection. Clinical infections seen are otitis, soft tissue infection, bacteremia, ear infection, eye infection, infective arthritis, osteomyelitis, infective endocarditis and peritonitis...
2017: IDCases
https://www.readbyqxmd.com/read/28642706/toll-like-receptor-4-modulates-small-intestine-neuromuscular-function-through-nitrergic-and-purinergic-pathways
#18
Valentina Caputi, Ilaria Marsilio, Silvia Cerantola, Mona Roozfarakh, Isabella Lante, Francesca Galuppini, Massimo Rugge, Eleonora Napoli, Cecilia Giulivi, Genny Orso, Maria Cecilia Giron
Objective: Toll-like receptors (TLRs) play a pivotal role in the homeostatic microflora-host crosstalk. TLR4-mediated modulation of both motility and enteric neuronal survival has been reported mainly for colon with limited information on the role of TLR4 in tuning structural and functional integrity of enteric nervous system (ENS) and in controlling small bowel motility. Methods: Male TLR4 knockout (TLR4(-/-), 9 ± 1 weeks old) and sex- and age-matched wild-type (WT) C57BL/6J mice were used for the experiments...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28632732/fructo-oligosaccharides-and-intestinal-barrier-function-in-a-methionine-choline-deficient-mouse-model-of-nonalcoholic-steatohepatitis
#19
Kotaro Matsumoto, Mayuko Ichimura, Koichi Tsuneyama, Yuki Moritoki, Hiromichi Tsunashima, Katsuhisa Omagari, Masumi Hara, Ichiro Yasuda, Hiroshi Miyakawa, Kentaro Kikuchi
Impairments in intestinal barrier function, epithelial mucins, and tight junction proteins have been reported to be associated with nonalcoholic steatohepatitis. Prebiotic fructo-oligosaccharides restore balance in the gastrointestinal microbiome. This study was conducted to determine the effects of dietary fructo-oligosaccharides on intestinal barrier function and steatohepatitis in methionine-choline-deficient mice. Three groups of 12-week-old male C57BL/6J mice were studied for 3 weeks; specifically, mice were fed a methionine-choline-deficient diet, a methionine-choline-deficient diet plus 5% fructo-oligosaccharides in water, or a normal control diet...
2017: PloS One
https://www.readbyqxmd.com/read/28623898/early-life-gut-microbial-colonization-shapes-th1-th2-balance-in-asthma-model-in-balb-c-mice
#20
Li-Juan Qian, Shu-Min Kang, Jia-Li Xie, Li Huang, Quan Wen, Yuan-Yuan Fan, Li-Jun Lu, Li Jiang
BACKGROUND: We aimed to investigate the effect of early-life diverse microbial exposures on gut microbial colonization in an OVA-induced asthma model in BALB/c mice. METHODS: BALB/c mice were divided into 4 groups: A, offsprings were kept in a SPF environment during fetal, lactation, and childhood periods; B, offsprings were kept in the SPF environment during fetal and lactation periods, and kept in the general environment during childhood; C, offsprings were kept in the SPF environment only during fetal period, and then kept in the general environment; and D, offsprings were kept in the general environment during whole periods...
June 17, 2017: BMC Microbiology
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