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Canine microbiome

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https://www.readbyqxmd.com/read/28993566/fecal-microbiome-in-dogs-with-inflammatory-bowel-disease-and-intestinal-lymphoma
#1
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/28545071/characterization-of-the-urinary-microbiome-in-healthy-dogs
#2
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/28503372/endosymbiont-interference-and-microbial-diversity-of-the-pacific-coast-tick-dermacentor-occidentalis-in-san-diego-county-california
#3
Nikos Gurfield, Saran Grewal, Lynnie S Cua, Pedro J Torres, Scott T Kelley
The Pacific coast tick, Dermacentor occidentalis Marx, is found throughout California and can harbor agents that cause human diseases such as anaplasmosis, ehrlichiosis, tularemia, Rocky Mountain spotted fever and rickettsiosis 364D. Previous studies have demonstrated that nonpathogenic endosymbiotic bacteria can interfere with Rickettsia co-infections in other tick species. We hypothesized that within D. occidentalis ticks, interference may exist between different nonpathogenic endosymbiotic or nonendosymbiotic bacteria and Spotted Fever group Rickettsia (SFGR)...
2017: PeerJ
https://www.readbyqxmd.com/read/28460795/obesity-and-associated-comorbidities-in-people-and-companion-animals-a-one-health-perspective
#4
REVIEW
M Chandler, S Cunningham, E M Lund, C Khanna, R Naramore, A Patel, M J Day
This article reviews the biology, prevalence and risks for obesity in people and companion dogs and cats, and explores the links between obesity and diabetes mellitus and cancer across these species. Obesity is a major healthcare problem in both human and veterinary medicine and there is an increasing prevalence of obesity in people and pets. In people and animals, obesity is a complex disorder involving diet, level of physical activity, behavioural factors, socioeconomic factors, environment exposures, genetics, metabolism and the microbiome...
May 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28459886/bacterial-microbiome-of-the-nose-of-healthy-dogs-and-dogs-with-nasal-disease
#5
COMPARATIVE STUDY
Barbara Tress, Elisabeth S Dorn, Jan S Suchodolski, Tariq Nisar, Prajesh Ravindran, Karin Weber, Katrin Hartmann, Bianka S Schulz
The role of bacterial communities in canine nasal disease has not been studied so far using next generation sequencing methods. Sequencing of bacterial 16S rRNA genes has revealed that the canine upper respiratory tract harbors a diverse microbial community; however, changes in the composition of nasal bacterial communities in dogs with nasal disease have not been described so far. Aim of the study was to characterize the nasal microbiome of healthy dogs and compare it to that of dogs with histologically confirmed nasal neoplasia and chronic rhinitis...
2017: PloS One
https://www.readbyqxmd.com/read/28289569/diverse-bacterial-communities-exist-on-canine-skin-and-are-impacted-by-cohabitation-and-time
#6
Sheila Torres, Jonathan B Clayton, Jessica L Danzeisen, Tonya Ward, Hu Huang, Dan Knights, Timothy J Johnson
It has previously been shown that domestic dogs and their household owners share bacterial populations, and that sharing of bacteria between humans is facilitated through the presence of dogs in the household. However, less is known regarding the bacterial communities of dogs, how these communities vary by location and over time, and how cohabitation of dogs themselves influences their bacterial community. Furthermore, the effects of factors such as breed, hair coat length, sex, shedding, and age on the canine skin microbiome is unknown...
2017: PeerJ
https://www.readbyqxmd.com/read/28119466/effects-of-the-dietary-protein-and-carbohydrate-ratio-on-gut-microbiomes-in-dogs-of-different-body-conditions
#7
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
#8
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/27646278/cats-are-not-small-dogs-is-there-an-immunological-explanation-for-why-cats-are-less-affected-by-arthropod-borne-disease-than-dogs
#9
REVIEW
Michael J Day
It is widely recognized that cats appear to be less frequently affected by arthropod-borne infectious diseases than dogs and share fewer zoonotic pathogens with man. This impression is supported by the relative lack of scientific publications related to feline vector-borne infections. This review explores the possible reasons for the difference between the two most common small companion animal species, including the hypothesis that cats might have a genetically-determined immunological resistance to arthropod vectors or the microparasites they transmit...
September 20, 2016: Parasites & Vectors
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/27276347/characterising-the-canine-oral-microbiome-by-direct-sequencing-of-reverse-transcribed-rrna-molecules
#11
James E McDonald, Niels Larsen, Andrea Pennington, John Connolly, Corrin Wallis, David J Rooks, Neil Hall, Alan J McCarthy, Heather E Allison
PCR amplification and sequencing of phylogenetic markers, primarily Small Sub-Unit ribosomal RNA (SSU rRNA) genes, has been the paradigm for defining the taxonomic composition of microbiomes. However, 'universal' SSU rRNA gene PCR primer sets are likely to miss much of the diversity therein. We sequenced a library comprising purified and reverse-transcribed SSU rRNA (RT-SSU rRNA) molecules from the canine oral microbiome and compared it to a general bacterial 16S rRNA gene PCR amplicon library generated from the same biological sample...
2016: PloS One
https://www.readbyqxmd.com/read/27212648/canine-and-human-atopic-dermatitis-%C3%A2-two-faces-of-the-same%C3%A2-host-microbe-interaction
#12
COMPARATIVE STUDY
Domenico Santoro, Aline Rodrigues Hoffmann
Host-microbe interaction has been suggested to play a critical role in the pathogenesis of atopic dermatitis. The dog has been shown to be the best model to study both pathogenesis and microbiome modifications in atopic dermatitis. Bradley et al. show a significant correlation between microbiome diversity, clinical signs, and skin barrier function in atopic dogs before, during, and after antimicrobial therapy.
June 2016: Journal of Investigative Dermatology
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/26965834/oral-chondroitin-sulfate-and-prebiotics-for-the-treatment-of-canine-inflammatory-bowel-disease-a-randomized-controlled-clinical-trial
#14
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
#15
COMPARATIVE STUDY
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/26550763/in-depth-snapshot-of-the-equine-subgingival-microbiome
#16
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
https://www.readbyqxmd.com/read/26134411/comparison-of-the-oral-microbiomes-of-canines-and-their-owners-using-next-generation-sequencing
#17
COMPARATIVE STUDY
Changin Oh, Kunkyu Lee, Yeotaek Cheong, Sang-Won Lee, Seung-Yong Park, Chang-Seon Song, In-Soo Choi, Joong-Bok Lee
The oral microbiome, which is closely associated with many diseases, and the resident pathogenic oral bacteria, which can be transferred by close physical contact, are important public health considerations. Although the dog is the most common companion animal, the composition of the canine oral microbiome, which may include human pathogenic bacteria, and its relationship with that of their owners are unclear. In this study, 16S rDNA pyrosequencing was used to compare the oral microbiomes of 10 dogs and their owners and to identify zoonotic pathogens...
2015: PloS One
https://www.readbyqxmd.com/read/26020861/companion-animals-symposium-future-aspects-and-perceptions-of-companion-animal-nutrition-and-sustainability
#18
REVIEW
P Deng, K S Swanson
Companion animals play an important role in our lives and are now considered to be and treated as family members in a majority of households in the United States. Because of the high number of pets that now exist, an increasingly stronger pet-human bond, and the importance placed on health and longevity, the pet food industry has realized steady growth over the last few decades. Despite past successes and opportunities that exist in the future, there are also challenges that must be considered. This review will present a brief overview of the current pet food industry and address some of the key issues moving forward...
March 2015: Journal of Animal Science
https://www.readbyqxmd.com/read/25858832/draft-genome-sequences-of-26-porphyromonas-strains-isolated-from-the-canine-oral-microbiome
#19
David A Coil, Alexandra Alexiev, Corrin Wallis, Ciaran O'Flynn, Oliver Deusch, Ian Davis, Alexander Horsfall, Nicola Kirkwood, Guillaume Jospin, Jonathan A Eisen, Stephen Harris, Aaron E Darling
We present the draft genome sequences for 26 strains of Porphyromonas (P. canoris, P. gulae, P. cangingavalis, P. macacae, and 7 unidentified) and an unidentified member of the Porphyromonadaceae family. All of these strains were isolated from the canine oral cavity, from dogs with and without early periodontal disease.
2015: Genome Announcements
https://www.readbyqxmd.com/read/25776251/a-prospective-randomized-blinded-placebo-controlled-pilot-study-on-the-effect-of-enterococcus-faecium-on-clinical-activity-and-intestinal-gene-expression-in-canine-food-responsive-chronic-enteropathy
#20
RANDOMIZED CONTROLLED TRIAL
S Schmitz, B Glanemann, O A Garden, H Brooks, Y M Chang, D Werling, K Allenspach
BACKGROUND: Canine chronic enteropathies (CE) are believed to be caused by an aberrant immune response towards the intestinal microbiome. Administration of probiotics can alleviate colitis in people. In vitro effects of the probiotic Enterococcus faecium NCIMB 10415 E1707 (EF) previously have been evaluated using canine cells (e.g., whole blood, intestinal biopsies), but data on in vivo efficacy are lacking. HYPOTHESIS/OBJECTIVES: Administration of EF to dogs with food-responsive CE will improve clinical outcome and decrease the intestinal inflammatory profile...
March 2015: Journal of Veterinary Internal Medicine
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