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https://www.readbyqxmd.com/read/29780746/a-novel-herbal-formulation-versus-chlorhexidine-mouthwash-in-efficacy-against-oral-microflora
#1
K S Vinod, K S Sunil, Priyanka Sethi, Ram Chand Bandla, Subhasini Singh, Deepak Patel
Aims and Objectives: The aim of the study was to compare and to analyze the antimicrobial efficacy of 0.12% chlorhexidine and new formulated herbal mouthwash after using for 14 days. The objective was to signify whether the noval herbal combination could be a better alternative mouthwash to Chlorhexidine (CHX). Materials and Methods: This is a double-blinded, random controlled research study conducted in the Department of Oral Pathology and Microbiology. A total of 200 dental students were selected randomly, comprising of two groups, 100 in each, aged between 18 and 22 years with gingival index of score II...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29780371/comparative-metatranscriptomics-of-wheat-rhizosphere-microbiomes-in-disease-suppressive-and-non-suppressive-soils-for-rhizoctonia-solani-ag8
#2
Helen L Hayden, Keith W Savin, Jenny Wadeson, Vadakattu V S R Gupta, Pauline M Mele
The soilborne fungus Rhizoctonia solani anastomosis group (AG) 8 is a major pathogen of grain crops resulting in substantial production losses. In the absence of resistant cultivars of wheat or barley, a sustainable and enduring method for disease control may lie in the enhancement of biological disease suppression. Evidence of effective biological control of R. solani AG8 through disease suppression has been well documented at our study site in Avon, South Australia. A comparative metatranscriptomic approach was applied to assess the taxonomic and functional characteristics of the rhizosphere microbiome of wheat plants grown in adjacent fields which are suppressive and non-suppressive to the plant pathogen R...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29780363/microbial-community-analyses-of-the-deteriorated-storeroom-objects-in-the-tianjin-museum-using-culture-independent-and-culture-dependent-approaches
#3
Zijun Liu, Yanhong Zhang, Fengyu Zhang, Cuiting Hu, Genliang Liu, Jiao Pan
In the storeroom C7 of the Tianjin Museum, one wooden desk and two leather luggages dated back to Qing dynasty (1644-1912 AD) presented viable microbial contamination. The aim of the present study was to investigate microbial communities responsible for the biodeterioration of storeroom objects using a combination of culture-independent and culture-dependent methods as well microscopic techniques. Scanning electron microscopy (SEM) revealed that the microflora on three storeroom objects were characterized by a marked presence of Eurotium halophilicum ...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29778477/the-effects-of-microfluidization-on-the-physical-microbial-chemical-and-coagulation-properties-of-milk
#4
A J Bucci, D L Van Hekken, M H Tunick, J A Renye, P M Tomasula
This work examines the use of mild heat treatments in conjunction with 2-pass microfluidization to generate cheese milk for potential use in soft cheeses, such as Queso Fresco. Raw, thermized, and high temperature, short time pasteurized milk samples, standardized to the 3% (wt/wt) fat content used in cheesemaking, were processed at 4 inlet temperature and pressure conditions: 42°C/75 MPa, 42°C/125 MPa, 54°C/125 MPa, and 54°C/170 MPa. Processing-induced changes in the physical, chemical, and microbial properties resulting from the intense pressure, shear, and cavitation that milk experiences as it is microfluidized were compared with nonmicrofluidized controls...
May 16, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29777696/sterilized-bifidobacteria-suppressed-fat-accumulation-and-blood-glucose-level
#5
Keita Kikuchi, Mahmoud Ben Othman, Kazuichi Sakamoto
Probiotics such as Lactobacillus and Bifidobacterium improve the balance of intestinal microflora and have various physiological functions beneficial to human health. It is not always known whether the ingested microbial cells are viable- or killed. However, even sterilized bacterial cells are functional. Bacterial cell functions are strain-specific and their modes of action are still poorly understood. The aim of this study was to elucidate the roles of sterilized bifidobacteria in obesity and lipid metabolism...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29775545/effect-of-bamboo-vinegar-powder-as-an-antibiotic-alternative-on-the-digesta-bacteria-communities-of-finishing-pigs
#6
Huan Qu, Yanjie Huang, Yinghao Shi, Ying Liu, Shenglong Wu, Wenbin Bao
This study investigated the use for bamboo vinegar powder as an antibiotic alternative in the diet of growing-finishing pigs by examining their digestive bacterial communities. Forty-five Duroc × Landrace × Yorkshire growing-finishing pigs were randomly allocated to five diet groups: 0%,0.5%, 1.0%, or 1.5% bamboo vinegar levels and antibiotics. After 37 days, the digesta in duodenum of four pigs from each treatment were analyzed for their bacterial community compositions using 16S rRNA gene sequencing. Addition of 1...
May 18, 2018: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29775097/phosphate-solubilizing-bacteria-improve-the-phytoremediation-efficiency-of-wedelia-trilobata-for-cu-contaminated-soil
#7
Maozi Lin, Meifang Jin, Kang Xu, Lingchao He, Dongliang Cheng
In a controlled experiment, we assessed the effect of phosphate-solubilizing bacterium (PSB) on the soil metal (Cu2+ ) phytoremediation by Wedelia trilobata and examined the effect of the interaction of Cu contamination and PSB on the growth of W. trilobata. We also explored the effect of the interaction of Cu contamination and PSB on the soil microflora. The results showed that the removal efficiency of Cu from soil by W. trilobata increased with an increase in the concentration of PSB, and the translocation factors of Cu (i...
July 3, 2018: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/29773926/comparative-analysis-of-airborne-bacteria-and-fungi-in-two-salt-mines-in-poland
#8
Elżbieta Gębarowska, Wojciech Pusz, Jolanta Kucińska, Włodzimierz Kita
The aim of this work was to determine the genera or species composition and the number of colony forming units of airborne bacteria and fungi, respectively, in two salt mines in Poland "Wieliczka" (Lesser Poland) and "Polkowice-Sieroszowice" (Lower Silesia). Both of them are working environments characterized by extreme conditions, and additionally "Wieliczka," officially placed on the UNESCO World Heritage Sites' list, plays a role of tourist attraction. There are also some curative chambers located in this mine...
2018: Aerobiologia
https://www.readbyqxmd.com/read/29773630/draft-genome-sequence-of-a-new-vibrio-strain-with-the-potential-to-produce-bacteriocin-like-inhibitory-substances-isolated-from-the-gut-microflora-of-scallop-argopecten-purpuratus
#9
Wilbert Serrano, Ulrike I Tarazona, Raul M Olaechea, Michael W Friedrich
A new Vibrio strain, V7A, was isolated from the intestinal tract of the Peruvian scallop ( Argopecten purpuratus ). Strain V7A clusters within the Mediterranei clade of the genus Vibrio and has the potential to produce bacteriocin-like inhibitory substances (BLIS). Here, we report the draft genome sequence of Vibrio mediterranei strain V7A.
May 17, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29772685/the-emergence-of-endophytic-microbes-and-their-biological-promise
#10
Gary Strobel
As is true with animal species, plants also have an associated microflora including endophytes as well as microbes associated with the phyllosphere and rhizosphere (plant surfaces) and this is considered the plant microbiome. However, those organisms within virtually all tissues and organs of the plant are known as endophytes. Most often fungi are the most frequently recovered endophytes from plant tissues, but bacterial forms generally occur in greater numbers, but not in species varieties. The exact biological/biochemical role of the endophyte in the plant and how it interacts with the plant and other endophytes and plant associated organisms has not been intensely and carefully examined...
May 16, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772494/effects-of-ceftriaxone-induced-intestinal-dysbacteriosis-on-regulatory-t-cells-validated-by-anaphylactic-mice
#11
Xia Luo, Zengfeng Pan, Shuang Luo, Qi Liu, Shaowei Huang, Guanghua Yang, Feifei Nong, Yajun Fu, Xiangliang Deng, Lian Zhou
Both probiotics and pathogens in the human gut express pathogen-associated molecular patterns (PAMPs) and die with the release of endotoxin and bacterial DNA, which can stimulate our immune system and cause immune reaction. However, it's interesting and fascinating to address why the normal intestinal flora will not generate immunological rejection like the pathogen does. By investigating the changes in cells and molecules relevant to immune tolerance in mice with ceftriaxone-induced dysbacteriosis, our study discovered that both the Evenness indexes and Shannon Wiener index of intestinal flora showed a decrease in dysbacteriosis mice...
May 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29769003/influence-of-probiotics-on-dietary-protein-digestion-and-utilization-in-the-gastrointestinal-tract
#12
Jing Wang, Haifeng Ji
Protein is essential to growth and metabolism. Many factors influence dietary protein digestion and utilization in the gastrointestinal tract. Probiotics have attracted increasing attention in recent years owing to their broad health benefits, which may include a positive influence on the digestion and utilization of proteins. Several observations support their potential role in protein digestion. For example, probiotics can regulate the intestinal microflora and thereby influence intestinal bacteria related to proteolysis...
May 16, 2018: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29767160/effects-of-yeast-cell-wall-on-growth-performance-immune-responses-and-intestinal-short-chain-fatty-acid-concentrations-of-broilers-in-an-experimental-necrotic-enteritis-model
#13
Guang-Da Xue, Shu-Biao Wu, Mingan Choct, Robert A Swick
Subclinical necrotic enteritis (NE) causes devastating economic losses in the broiler chicken industry, especially in birds raised free of in-feed antibiotics. Prebiotics are potential alternatives to in-feed antibiotics. Yeast cell wall extract (YCW) derived from Saccharomyces cerevisiae is a prebiotic with known immune modulating effects. This study examined the effects of YCW and antibiotics (AB) during subclinical NE on broiler growth performance, intestinal lesions, humoral immune response and gut microflora metabolites...
December 2017: Animal nutrition
https://www.readbyqxmd.com/read/29767043/study-of-bacillus-subtilis-on-growth-performance-nutrition-metabolism-and-intestinal-microflora-of-1-to-42-d-broiler-chickens
#14
Zhenhua Gao, Haohao Wu, Lin Shi, Xiaohui Zhang, Ran Sheng, Fuquan Yin, Ravi Gooneratne
To study the influence of different levels of Bacillus subtilis on growth performance, nutrition metabolism and intestinal microflora of 1 to 42 d Arbor Acres (AA) broilers, a total of 800 one-day-old healthy broilers were randomly divided into 5 groups with 4 replicates per group and 40 broilers per replicate. Broilers were fed a basic diet (group 1) which acted as the control group, and 4 other groups (2 to 5) were fed the basal diet with B. subtilis added at concentrations of 100, 150, 200 and 250 mg/kg, respectively for 42 days...
June 2017: Animal nutrition
https://www.readbyqxmd.com/read/29766652/mucosal-microflora-in-head-and-neck-cancer-patients
#15
A Almståhl, C Finizia, A Carlén, B Fagerberg-Mohlin, T Alstad
OBJECTIVE: To analyse the tongue and buccal microflora prospectively in head and neck cancer patients treated with radiation therapy (RT). METHODS: In 33 dentate patients, microbial samples from the tongue and buccal mucosa were collected pretreatment, during treatment, and 6 months, 1 year and 2 years post-treatment. Microorganisms associated with oral health and oral disorders were analysed using cultivation technique. Oral mucositis was scored at the appointment during treatment...
May 15, 2018: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/29766378/2-methacryloyloxyethyl-phosphorylcholine-mpc-polymer-suppresses-an-increase-of-oral-bacteria-a-single-blind-crossover-clinical-trial
#16
Natsumi Fujiwara, Hiromichi Yumoto, Koji Miyamoto, Katsuhiko Hirota, Hiromi Nakae, Saya Tanaka, Keiji Murakami, Yasusei Kudo, Kazumi Ozaki, Yoichiro Miyake
OBJECTIVES: The biocompatible 2-methacryloyloxyethyl phosphorylcholine (MPC)-polymers, which mimic a biomembrane, reduce protein adsorption and bacterial adhesion and inhibit cell attachment. The aim of this study is to clarify whether MPC-polymer can suppress the bacterial adherence in oral cavity by a crossover design. We also investigated the number of Fusobacterium nucleatum, which is the key bacterium forming dental plaque, in clinical samples. MATERIALS AND METHODS: This study was a randomized, placebo-controlled, single-blind, crossover study, with two treatment periods separated by a 2-week washout period...
May 16, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29765579/antagonistic-effect-of-isolated-probiotic-bacteria-from-natural-sources-against-intestinal-escherichia-coli-pathotypes
#17
Sahar Karimi, Ehsan Rashidian, Mehdi Birjandi, Leila Mahmoodnia
Background: Probiotics are live microorganisms which are beneficial bacteria that are normal flora of the digestive system which, in determined amounts, show beneficial effects on host health, and can balance gastrointestinal microflora. Digestive tract diseases such as diarrhea are one of the major causes of child mortality in developing countries. Different pathotypes of Escherichia coli cause diarrhea that affects children, therefore reduction of these colonization strains in humans or animals can decline gastrointestinal disorders such as diarrhea...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29765359/comparing-microbiome-sampling-methods-in-a-wild-mammal-fecal-and-intestinal-samples-record-different-signals-of-host-ecology-evolution
#18
Melissa R Ingala, Nancy B Simmons, Claudia Wultsch, Konstantinos Krampis, Kelly A Speer, Susan L Perkins
The gut microbiome is a community of host-associated symbiotic microbes that fulfills multiple key roles in host metabolism, immune function, and tissue development. Given the ability of the microbiome to impact host fitness, there is increasing interest in studying the microbiome of wild animals to better understand these communities in the context of host ecology and evolution. Human microbiome research protocols are well established, but wildlife microbiome research is still a developing field. Currently, there is no standardized set of best practices guiding the collection of microbiome samples from wildlife...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29761483/epithelial-barrier-dysfunctions-in-atopic-dermatitis-a-skin-gut-lung-model-linking-microbiome-alteration-and-immune-dysregulation
#19
REVIEW
T H Zhu, T R Zhu, K A Tran, R K Sivamani, V Y Shi
Atopic dermatitis is a systemic disorder characterized by abnormal barrier function across multiple organ sites. Initial disruption in the skin epidermal barrier permits allergen sensitization and colonization by pathogens. This induces TH 2 inflammatory response and a thymic stromal lymphopoietin mediated pathway that further promotes barrier breakdown at distant sites including the intestinal and respiratory tract. Clinically, atopic dermatitis can progress from skin disease to food allergy, allergic rhinitis, and later asthma, a phenomenon commonly known as the atopic march...
May 15, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29756138/carboxymethyl-pachyman-cmp-reduces-intestinal-mucositis-and-regulates-the-intestinal-microflora-in-5-fluorouracil-treated-ct26-tumour-bearing-mice
#20
Canhong Wang, Shuxian Yang, Li Gao, Lili Wang, Li Cao
The compound 5-fluorouracil (5-FU) is the first choice chemotherapeutic agent for the treatment of colorectal cancer (CRC), but intestinal mucositis is a primary limiting factor in anticancer therapy. There is currently no broadly effective targeted treatment to cure this side effect. Carboxymethylated pachyman (CMP) is a polysaccharide that is modified from the structure of pachyman isolated from Poria cocos (Chinese name: Fu Ling). Meanwhile, recent studies have shown that CMP exhibits immune regulatory, anti-inflammatory and antioxidant activities...
May 14, 2018: Food & Function
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