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Microbiota canine

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https://www.readbyqxmd.com/read/28337489/antibiotic-resistance-profiling-and-microbiota-of-the-upper-respiratory-tract-of-apparently-healthy-dogs-in-ibadan-south-west-nigeria
#1
Oluwafemi Babatunde Daodu, Elizabeth Adesola Amosun, Daniel Oladimeji Oluwayelu
BACKGROUND: Rearing of dogs and other pets has become increasingly popular in modern society. Bacterial flora resides within the nasal and oral cavities of dogs and when chanced, can be pathogenic. Certain similarities between humans and dogs portends dangerous behavioral habits that could lead to zoonotic disease transmission. This study was aimed at isolation, identification and antibiotic profiling of bacteria from nasal swabs of apparently healthy dogs. The zoonotic risk was also considered...
2017: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28316009/safety-assessment-of-commensal-enterococci-from-dogs
#2
Ivana Kubašová, Viola Strompfová, Andrea Lauková
Enterococci form a complex, diverse, and very important group of bacteria from the technological and food safety aspect, or from the health-improving aspect as probiotics. Generally, enterococci are considered to be of low pathogenic potential, which is associated mostly with clinical strains. In these strains, production of virulence factors as well as resistance to many antimicrobial drugs could complicate treatment of nosocomial infections. Because there is a lack of information on incidence of these attributes in animal commensal enterococci, we screened 160 strains originating from feces of clinically healthy dogs in Eastern Slovakia (n = 105)...
March 18, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28243548/transition-of-the-intestinal-microbiota-of-dogs-with-age
#3
Hiroaki Masuoka, Kouya Shimada, Tomoyo Kiyosue-Yasuda, Masaharu Kiyosue, Yukie Oishi, Seiji Kimura, Akio Yamada, Kazuhiro Hirayama
Although it is established that the composition of the human intestinal microbiota changes with age, transition of the intestinal microbiota of animals with age has not been well studied. In the present study, we collected fresh fecal samples from dogs of 5 different age groups (pre-weanling, weanling, young, aged, senile) and analyzed the compositions of their intestinal microbiota with a culture-based method. The results suggested that the composition of the canine intestinal microbiota also changes with age...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28220148/individual-signatures-define-canine-skin-microbiota-composition-and-variability
#4
Anna Cuscó, Armand Sánchez, Laura Altet, Lluís Ferrer, Olga Francino
Dogs present almost all their skin sites covered by hair, but canine skin disorders are more common in certain skin sites and breeds. The goal of our study is to characterize the composition and variability of the skin microbiota in healthy dogs and to evaluate the effect of the breed, the skin site, and the individual. We have analyzed eight skin sites of nine healthy dogs from three different breeds by massive sequencing of 16S rRNA gene V1-V2 hypervariable regions. The main phyla inhabiting the skin microbiota in healthy dogs are Proteobacteria, Firmicutes, Fusobacteria, Actinobacteria, and Bacteroidetes...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28125651/the-association-of-specific-constituents-of-the-fecal-microbiota-with-immune-mediated-brain-disease-in-dogs
#5
Nick D Jeffery, Andrew K Barker, Cody J Alcott, Jon M Levine, Ilyssa Meren, Jane Wengert, Albert E Jergens, Jan S Suchodolski
Meningoencephalomyelitis of unknown origin (MUO) is a common, naturally-occurring, clinical disease of pet dogs. It is an immune-mediated condition that has many similarities with experimental autoimmune encephalitis (EAE) in rodents and so investigation of its pathogenesis may aid in understanding factors that contribute to development of multiple sclerosis in people. Gut microbiota are known to modulate immune responses that influence susceptibility to immune-mediated brain disease. In this study we aimed to compare abundance of specific constituents of the fecal microbiota, namely Faecalibacterium prausnitzii and Prevotellaceae, between dogs diagnosed with MUO and matched controls...
2017: PloS One
https://www.readbyqxmd.com/read/28119466/effects-of-the-dietary-protein-and-carbohydrate-ratio-on-gut-microbiomes-in-dogs-of-different-body-conditions
#6
Qinghong Li, Christian L Lauber, Gail Czarnecki-Maulden, Yuanlong Pan, Steven S Hannah
Obesity has become a health epidemic in both humans and pets. A dysbiotic gut microbiota has been associated with obesity and other metabolic disorders. High-protein, low-carbohydrate (HPLC) diets have been recommended for body weight loss, but little is known about their effects on the canine gut microbiome. Sixty-three obese and lean Labrador retrievers and Beagles (mean age, 5.72 years) were fed a common baseline diet for 4 weeks in phase 1, followed by 4 weeks of a treatment diet, specifically, the HPLC diet (49...
January 24, 2017: MBio
https://www.readbyqxmd.com/read/28051146/impacts-of-canine-distemper-virus-infection-on-the-giant-panda-population-from-the-perspective-of-gut-microbiota
#7
Na Zhao, Meng Li, Jing Luo, Supen Wang, Shelan Liu, Shan Wang, Wenting Lyu, Lin Chen, Wen Su, Hua Ding, Hongxuan He
The recent increase in infectious disease outbreaks has been directly linked to the global loss of biodiversity and the decline of some endangered species populations. Between December 2014 and March 2015, five captive giant pandas died due to canine distemper virus (CDV) infection in China. CDV has taken a heavy toll on tigers and lions in recent years. Here, we describe the first gut microbiome diversity study of CDV-infected pandas. By investigating the influence of CDV infection on gut bacterial communities in infected and uninfected individuals and throughout the course of infection, we found that CDV infection distorted the gut microbiota composition by reducing the prevalence of the dominant genera, Escherichia and Clostridium, and increasing microbial diversity...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27862411/natural-and-artificial-hyperimmune-solutions-impact-on-health-in-puppies
#8
H Mila, A Grellet, C Mariani, A Feugier, B Guard, J Suchodolski, J Steiner, S Chastant-Maillard
Colostrum and milk are complex mammary secretions providing the puppy with many nutritional and immunological factors, which play a crucial role for its correct development and survival. In the case of colostrum and/or milk intake deficiency, puppies are at increased risk of infectious diseases. This work reviews the various nutritional hyperimmune supplementations proposed to provide a passive immune protection and to positively impact puppies' health. Some strategies rely on canine immunoglobulins: canine colostrum banking and canine serum/plasma supplementation...
November 15, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27713735/modulation-of-the-bifidobacterial-communities-of-the-dog-microbiota-by-zeolite
#9
Alberto Sabbioni, Chiara Ferrario, Christian Milani, Leonardo Mancabelli, Enzo Riccardi, Francesco Di Ianni, Valentino Beretti, Paola Superchi, Maria C Ossiprandi
During last decades canine health and well being is becoming an important issue for human owners. In dogs, several factors including diet, pathogenic bacterial and stress conditions can affect the composition of the gut microbiota. In this study, we evaluated the effect of dietary chabazitic zeolitite (CZ) supplementation on the contribution of bifidobacteria to the fecal microbiota in training hunting dogs. Fecal microbiota cataloging based on 16S rRNA microbial profiling analyses highlighted an increase of Lactobacillus and Bifidobacterium in animals treated with CZ, with a simultaneous decrease of pathogens associated with dog gastrointestinal infections, such as Klebsiella and Enterobacter...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27485242/the-skin-microbiome-in-allergen-induced-canine-atopic-dermatitis
#10
Felipe Pierezan, Thierry Olivry, Judith S Paps, Sara D Lawhon, Jing Wu, Jörg M Steiner, Jan S Suchodolski, Aline Rodrigues Hoffmann
BACKGROUND: Studies focusing on next-generation sequencing of the bacterial 16S rRNA gene have allowed detailed surveys of skin bacterial populations (microbiota) of the skin. HYPOTHESIS/OBJECTIVES: This study evaluated temporal changes in the skin microbiota in a canine model of atopic dermatitis. ANIMALS: Eight atopic dogs previously sensitized with house dust mites (HDM). METHODS: The dogs were topically challenged on the right groin with HDM allergens...
October 2016: Veterinary Dermatology
https://www.readbyqxmd.com/read/27285902/horse-species-symposium-canine-intestinal-microbiology-and-metagenomics-from-phylogeny-to-function
#11
B C Guard, J S Suchodolski
Recent molecular studies have revealed a complex microbiota in the dog intestine. Convincing evidence has been reported linking changes in microbial communities to acute and chronic gastrointestinal inflammation, especially in canine inflammatory bowel disease (IBD). The most common microbial changes observed in intestinal inflammation are decreases in the bacterial phyla Firmicutes (i.e., Lachnospiraceae, Ruminococcaceae, and ) and Bacteroidetes, with concurrent increases in Proteobacteria (i.e., ). Due to the important role of microbial-derived metabolites for host health, it is important to elucidate the metabolic consequences of gastrointestinal dysbiosis and physiological pathways implicated in specific disease phenotypes...
June 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27136381/composition-and-predicted-metabolic-capacity-of-upper-and-lower-airway-microbiota-of-healthy-dogs-in-relation-to-the-fecal-microbiota
#12
Aaron C Ericsson, Alexa R Personett, Megan E Grobman, Hansjorg Rindt, Carol R Reinero
The upper and lower airways of healthy humans are reported to harbor stable and consistent bacterial populations, and the composition of these communities is altered in individuals affected with several respiratory diseases. Data regarding the presence of airway microbiota in other animals are scant and a better understanding of the composition and metabolic function of such bacterial populations is essential for the development of novel therapeutic and diagnostic modalities for use in both veterinary and human medicine...
2016: PloS One
https://www.readbyqxmd.com/read/27106050/the-effects-of-feeding-and-withholding-food-on-the-canine-small-intestinal-microbiota
#13
Alyssa C Kasiraj, Jaana Harmoinen, Anitah Isaiah, Elias Westermarck, Jörg M Steiner, Thomas Spillmann, Jan S Suchodolski
Prolonged lack of enteral feeding has a negative impact on gut physiology, potentially via microbiota modulation. The aims were to investigate the impact of fasting and post-prandial changes in canine jejunal microbiota. To study post-prandial effects, jejunal brushings were analyzed in 8 healthy fistulated dogs 15 min before feeding (baseline) and hourly for 8 h after feeding. To study effects of withholding food (WF), daily samples were collected for 15 days from 5 dogs. The first 5 days (PRE) dogs were fed regular diet...
June 2016: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/26970915/in-vitro-influence-of-dietary-protein-and-fructooligosaccharides-on-metabolism-of-canine-fecal-microbiota
#14
Carlo Pinna, Carla Giuditta Vecchiato, Giuliano Zaghini, Monica Grandi, Eleonora Nannoni, Claudio Stefanelli, Giacomo Biagi
BACKGROUND: The present in vitro study investigated whether the utilization of fructooligosaccharides (FOS) may influence canine fecal microbial population in presence of diets differing in their protein content and digestibility. Fresh fecal samples were collected from five adult dogs, pooled, and incubated for 24 h with the undigested residue of three diets: 1, Low protein high digestibility diet (LP HD, crude protein (CP) 229 g/kg); 2, High protein high digestibility diet (HP HD, CP 304 g/kg); 3, High protein low digestibility diet (HP LD, CP 303 g/kg) that had been previously subjected to enzymatic digestion...
March 12, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/26965834/oral-chondroitin-sulfate-and-prebiotics-for-the-treatment-of-canine-inflammatory-bowel-disease-a-randomized-controlled-clinical-trial
#15
RANDOMIZED CONTROLLED TRIAL
Sergi Segarra, Silvia Martínez-Subiela, Marta Cerdà-Cuéllar, Daniel Martínez-Puig, Alberto Muñoz-Prieto, Fernando Rodríguez-Franco, Antonio Rodríguez-Bertos, Karin Allenspach, Alfonso Velasco, José Cerón
BACKGROUND: Canine inflammatory bowel disease (IBD) is a chronic enteropathy of unknown etiology, although microbiome dysbiosis, genetic susceptibility, and dietary and/or environmental factors are hypothesized to be involved in its pathogenesis. Since some of the current therapies are associated with severe side effects, novel therapeutic modalities are needed. A new oral supplement for long-term management of canine IBD containing chondroitin sulfate (CS) and prebiotics (resistant starch, β-glucans and mannaoligosaccharides) was developed to target intestinal inflammation and oxidative stress, and restore normobiosis, without exhibiting any side effects...
2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/26854488/longitudinal-evaluation-of-the-skin-microbiome-and-association-with-microenvironment-and-treatment-in%C3%A2-canine%C3%A2-atopic-dermatitis
#16
Charles W Bradley, Daniel O Morris, Shelley C Rankin, Christine L Cain, Ana M Misic, Timothy Houser, Elizabeth A Mauldin, Elizabeth A Grice
Host-microbe interactions may play a fundamental role in the pathogenesis of atopic dermatitis, a chronic relapsing inflammatory skin disorder characterized by universal colonization with Staphylococcus species. To examine the relationship between epidermal barrier function and the cutaneous microbiota in atopic dermatitis, this study used a spontaneous model of canine atopic dermatitis. In a cohort of 14 dogs with canine atopic dermatitis, the skin microbiota were longitudinally evaluated with parallel assessment of skin barrier function at disease flare, during antimicrobial therapy, and post-therapy...
June 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/26840462/alterations-of-the-ileal-and-colonic-mucosal-microbiota-in-canine-chronic-enteropathies
#17
Eric Cassmann, Robin White, Todd Atherly, Chong Wang, Yaxuan Sun, Samir Khoda, Curtis Mosher, Mark Ackermann, Albert Jergens
BACKGROUND: The intestinal microbiota is increasingly linked to the pathogenesis of chronic enteropathies (CE) in dogs. While imbalances in duodenal and fecal microbial communities have been associated with mucosal inflammation, relatively little is known about alterations in mucosal bacteria seen with CE involving the ileum and colon. AIM: To investigate the composition and spatial organization of mucosal microbiota in dogs with CE and controls. METHODS: Tissue sections from endoscopic biopsies of the ileum and colon from 19 dogs with inflammatory bowel disease (IBD), 6 dogs with granulomatous colitis (GC), 12 dogs with intestinal neoplasia, and 15 controls were studied by fluorescence in situ hybridization (FISH) on a quantifiable basis...
2016: PloS One
https://www.readbyqxmd.com/read/26752284/supragingival-microbial-profiles-of-permanent-and-deciduous-teeth-in-children-with-mixed-dentition
#18
Weihua Shi, Man Qin, Feng Chen, Bin Xia
OBJECTIVES: The present study was designed to investigate the microbial profiles of teeth in different locations in mixed-dentition-stage children, and to compare the microbiomes of permanent and deciduous teeth in the same healthy oral cavity. METHODS: Supragingival plaque samples of teeth in various locations-the first permanent molars, deciduous molars, deciduous canines and incisors and permanent incisors-were collected from 20 healthy mixed-dentition-stage children with 10-12 permanent teeth erupted...
2016: PloS One
https://www.readbyqxmd.com/read/26605793/a-pyrosequencing-investigation-of-differences-in-the-feline-subgingival-microbiota-in-health-gingivitis-and-mild-periodontitis
#19
Stephen Harris, Julie Croft, Ciaran O'Flynn, Oliver Deusch, Alison Colyer, Judi Allsopp, Lisa Milella, Ian J Davis
Periodontitis is the most frequently diagnosed health problem in cats yet little is known about the bacterial species important for the disease. The objective of this study was to identify bacterial species associated with health, gingivitis or mild periodontitis (<25% attachment loss) in feline plaque. Knowledge of these species is a first step in understanding the potential for improving oral health of cats via dietary interventions that alter the proportions of influential species. Subgingival plaque samples were collected from 92 cats with healthy gingiva, gingivitis or mild periodontitis...
2015: PloS One
https://www.readbyqxmd.com/read/26550763/in-depth-snapshot-of-the-equine-subgingival-microbiome
#20
Wenling Gao, Yuki Chan, Meng You, Donnabella C Lacap-Bugler, W Keung Leung, Rory M Watt
This study explored the range of bacterial taxa present within healthy subgingival (below the gum-line) niches in the horse oral cavity using 16S rRNA gene amplicon pyrosequencing. Pooled subgingival plaque samples were collected from approximately 200 sulcus sites from two horses (EQ1, EQ2) for analysis. A total of 14,260 quality-filtered pyrosequencing reads were obtained, which were assigned to 3875 operational taxonomic units (OTUs; 99% identity cut-off); 1907 OTUs for EQ1 and 2156 OTUs for EQ2. Diverse taxa from 12 phyla were identified, including Actinobacteria (3...
May 2016: Microbial Pathogenesis
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