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Microbiota canine

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https://www.readbyqxmd.com/read/29152844/faecal-microbiota-in-dogs-with-multicentric-lymphoma
#1
A Gavazza, G Rossi, G Lubas, M Cerquetella, Y Minamoto, J S Suchodolski
Malignant lymphoma B-cell type is the most common canine haematopoietic malignancy. Changes in intestinal microbiota have been implicated in few types of cancer in humans. The aim of this prospective and case-control study was to determine differences in faecal microbiota between healthy control dogs and dogs with multicentric lymphoma. Twelve dogs affected by multicentric, B-cell, stage III-IV lymphoma, and 21 healthy dogs were enrolled in the study. For each dog, faecal samples were analysed by Illumina sequencing of 16S rRNA genes and quantitative PCR (qPCR) for selected bacterial groups...
November 20, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29145794/analysis-of-bacterial-and-fungal-nucleic-acid-in-canine-sterile-granulomatous-and-pyogranulomatous-dermatitis-and-panniculitis
#2
Fabio B Rosa, Caitlin E Older, Courtney Meason-Smith, Jan S Suchodolski, Sonia Lingsweiler, Joanne E Mansell, Aline Rodrigues Hoffmann
Next generation sequencing (NGS) studies are revealing a diverse microbiota on the skin of dogs. The skin microbiota of canine sterile granulomatous and pyogranulomatous dermatitis (SGPD) has yet to be investigated using NGS techniques. NGS targeting the 16S rRNA and ITS-1 region of bacterial and fungal DNA, respectively, were used to investigate if bacterial and fungal DNA were associated with skin lesions in cases of canine SGPD. The study included 20 formalin-fixed paraffin-embedded (FFPE) skin samples and 12 fresh samples from SGPD-affected dogs, and 10 FFPE and 10 fresh samples from healthy dogs...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/29029635/individual-signatures-and-environmental-factors-shape-skin-microbiota-in-healthy-dogs
#3
Anna Cuscó, Janelle M Belanger, Liza Gershony, Alma Islas-Trejo, Kerinne Levy, Juan F Medrano, Armand Sánchez, Anita M Oberbauer, Olga Francino
BACKGROUND: The individual, together with its environment, has been reported as the main force driving composition and structure of skin microbiota in healthy dogs. Therefore, one of the major concerns when analyzing canine skin microbiota is the likely influence of the environment. Despite the dense fur covering, certain skin diseases exhibit differential prevalence among skin sites, dog breeds, and individuals. RESULTS: We have characterized the normal variability of dog skin microbiota in a well-controlled cohort of a large number of Golden-Labrador Retriever crossed dogs (N = 35) with similar ages, related genetic background, and a shared environment...
October 13, 2017: Microbiome
https://www.readbyqxmd.com/read/28993566/fecal-microbiome-in-dogs-with-inflammatory-bowel-disease-and-intestinal-lymphoma
#4
Marie Omori, Shingo Maeda, Hirotaka Igarashi, Koichi Ohno, Kosei Sakai, Tomohiro Yonezawa, Ayako Horigome, Toshitaka Odamaki, Naoaki Matsuki
Although alteration of commensal microbiota is associated with chronic gastrointestinal (GI) diseases such as inflammatory bowel disease (IBD) in dogs, the microbiota composition in intestinal lymphoma, an important differential diagnosis of canine IBD, has not been investigated. The objective of this study was to compare the fecal microbiota in dogs with IBD, dogs with intestinal lymphoma, and healthy dogs. Eight dogs with IBD, eight dogs with intestinal lymphoma, and fifteen healthy dogs were included in the study...
October 6, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28934260/characterization-of-the-nasal-and-oral-microbiota-of-detection-dogs
#5
MULTICENTER STUDY
Anitha Isaiah, Aline Rodrigues Hoffmann, Russ Kelley, Paul Mundell, Jörg M Steiner, Jan S Suchodolski
Little is known about physiological factors that affect the sense of olfaction in dogs. The objectives of this study were to describe the canine nasal and oral microbiota in detection dogs. We sought to determine the bacterial composition of the nasal and oral microbiota of a diverse population of detection canines. Nasal and oral swabs were collected from healthy dogs (n = 81) from four locations-Alabama, Georgia, California, and Texas. Nasal and oral swabs were also collected from a second cohort of detection canines belonging to three different detection job categories: explosive detection dogs (SP-E; n = 22), patrol and narcotics detection dogs (P-NDD; n = 15), and vapor wake dogs (VWD-E; n = 9)...
2017: PloS One
https://www.readbyqxmd.com/read/28771910/fecal-markers-of-inflammation-protein-loss-and-microbial-changes-in-dogs-with-the-acute-hemorrhagic-diarrhea-syndrome-ahds
#6
Romy M Heilmann, Melissa M Guard, Jörg M Steiner, Jan S Suchodolski, Stefan Unterer
BACKGROUND: Idiopathic acute hemorrhagic diarrhea syndrome (AHDS) is characterized by acute onset of bloody diarrhea, severe dehydration, and increased vascular and intestinal mucosal permeability. Markers of gastrointestinal inflammation, protein loss, and changes in the intestinal microbiota have not been studied extensively in dogs with AHDS. KEY FINDINGS: For 3 consecutive days, feces were collected from dogs with AHDS, and assayed for calprotectin and S100A12 (both markers of inflammation), α1 -proteinase inhibitor (a marker of gastrointestinal protein loss), and the presence of selected species of bacteria...
September 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28758797/an-in-vitro-evaluation-of-the-effects-of-a-yucca-schidigera-extract-and-chestnut-tannins-on-composition-and-metabolic-profiles-of-canine-and-feline-faecal-microbiota
#7
Carlo Pinna, Carla Giuditta Vecchiato, Vladimiro Cardenia, Maria Teresa Rodriguez-Estrada, Claudio Stefanelli, Monica Grandi, Pier Paolo Gatta, Giacomo Biagi
The in vitro effect of a Yucca schidigera extract (YSE) and tannins from chestnut wood on composition and metabolic activity of canine and feline faecal microbiota was evaluated. Four treatments were carried out: control diet, chestnut tannins (CT), YSE and CT + YSE. The YSE was added to canine and feline faecal cultures at 0.1 g/l, while CT were added at 0.3 g/l for a 24-h incubation. A total of 130 volatile compounds were detected by means of headspace-solid phase microextraction gas-chromatography/mass spectrometry analyses...
July 31, 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28721546/health-benefits-observed-after-probiotic-lactobacillus-fermentum-ccm-7421-application-in-dogs
#8
REVIEW
Viola Strompfová, Ivana Kubašová, Andrea Lauková
The importance of the intestinal microbiota has attracted much interest in recent years particularly with respect to ways in which the microbiota can be manipulated in order to improve health. Improving gut health through the use of probiotic microorganisms has become an area of research activity in both human and animal nutrition. However, the amount of research using companion animals is insufficient. The present review evaluates and compares the effects achieved after application of canine-derived probiotic strain Lactobacillus fermentum CCM 7421 to healthy dogs as well as to dogs suffering from gastrointestinal disorders...
August 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28678609/randomized-controlled-trial-evaluating-the-effect-of-multi-strain-probiotic-on-the-mucosal-microbiota-in-canine-idiopathic-inflammatory-bowel-disease
#9
Robin White, Todd Atherly, Blake Guard, Giacomo Rossi, Chong Wang, Curtis Mosher, Craig Webb, Steve Hill, Mark Ackermann, Peter Sciabarra, Karin Allenspach, Jan Suchodolski, Albert E Jergens
The intestinal microbiota is increasingly linked to the pathogenesis of idiopathic inflammatory bowel disease (IBD) in dogs. While studies have reported alterations in fecal (luminal) microbial populations, only limited information is available about the mucosal microbiota of IBD dogs at diagnosis and following medical therapy. Our aim was to characterize the mucosal microbiota and determine the clinical, microbiological, and mucosal homeostatic effects of probiotic treatment in dogs with IBD. Thirty four IBD dogs were randomized to receive standard therapy (ST = diet + prednisone) with or without probiotic...
September 3, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28630705/physiological-effects-of-stress-related-to-helicopter-travel-in-federal-emergency-management-agency-search-and-rescue-canines
#10
E Perry, N Gulson, T-W Liu Cross, K S Swanson
Working canines are deployed by the Federal Emergency Management Agency (FEMA), as part of a National Disaster Response Plan. Stress associated with helicopter flight and the resulting physical effects on the dog are unknown. Our objective was to test the hypotheses that (1) helicopter travel affects the physiology and faecal microbiota of working canines, but that (2) physiological consequences of helicopter travel will not negatively affect their work performance. A total of nine FEMA canines were loaded onto helicopters and flown for 30 min in July 2015...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28568309/effect-of-soybean-husk-supplementation-on-the-fecal-fermentation-metabolites-and-microbiota-of-dogs
#11
Htun Myint, Yu Iwahashi, Satoshi Koike, Yasuo Kobayashi
In vitro fermentation and in vivo feeding experiments were conducted to characterize the effects of soybean (Glycine max) husk on the fecal fermentation metabolites and microbiota of dogs. An in vitro fermentation study using feces from three Toy Poodle dogs (6.5 ± 3.5 months in age and 2.9 ± 0.4 kg in body weight) revealed that the fecal inoculum was able to ferment soybean husk (supplemented at 0.01 g/mL culture) and increased levels of short chain fatty acids (SCFA) and Bifidobacterium, irrespective of pre-digestion of the husk by pepsin and pancreatin...
June 1, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28558792/a-diet-change-from-dry-food-to-beef-induces-reversible-changes-on-the-faecal-microbiota-in-healthy-adult-client-owned-dogs
#12
Kristin M V Herstad, Karina Gajardo, Anne Marie Bakke, Lars Moe, Jane Ludvigsen, Knut Rudi, Ida Rud, Monika Sekelja, Ellen Skancke
BACKGROUND: Diet has a major influence on the composition of the gut microbiota, whose importance for gut health and overall well-being is increasingly recognized. Knowledge is limited regarding health implications, including effects on the faecal microbiota, of feeding a diet with high content of red meat to dogs, despite some owners' apparent preference to do so. The aim of this study was to evaluate how a diet change from commercial dry food to one with a high content of boiled minced beef and vice versa influenced the faecal microbiota, and short chain fatty acid profile in healthy, adult, client-owned dogs...
May 30, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28545071/characterization-of-the-urinary-microbiome-in-healthy-dogs
#13
Erin N Burton, Leah A Cohn, Carol N Reinero, Hans Rindt, Stephen G Moore, Aaron C Ericsson
The urinary bladder in healthy dogs has dogmatically been considered free of bacteria. This study used culture independent techniques to characterize the healthy canine urinary microbiota. Urine samples collected by antepubic cystocentesis from dogs without urinary infection were used for DNA extraction. Genital tract and rectal samples were collected simultaneously from the same dogs. The V4 hypervariable region of the 16S rRNA bacterial gene was amplified and compared against Greengenes database for OTU assignment and relative abundance for urine, genital, and rectal samples...
2017: PloS One
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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