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Bordetella bronchiseptica

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https://www.readbyqxmd.com/read/27932683/survival-of-bacteria-of-laboratory-animal-origin-on-cage-bedding-and-inactivation-by-hydrogen-peroxide-vapour
#1
Laurentiu Benga, W Peter M Benten, Eva Engelhardt, Christina Gougoula, Roland Schulze-Röbbecke, Martin Sager
This study aims to determine the ability of laboratory animal bacteria to resist desiccation and inactivation by hydrogen peroxide vapour (HPV) on paper bedding pieces. Bedding pieces were saturated with bacterial suspensions in water or 2% (w/v) bovine serum albumin (BSA) in water, and held in a mouse facility. Viable counts showed variable survival rates over time for the bacterial species used ([Pasteurella] pneumotropica, Muribacter muris, Pseudomonas aeruginosa, Acinetobacter redioresistens, Escherichia coli, Klebsiella oxytoca, Bordetella bronchiseptica, Bordetella hinzii, Enterococcus faecalis, β-haemolytic Streptococcus spp...
December 8, 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27902262/saccharedens-versatilis-gen-nov-sp-nov-a-sugar-degrading-member-of-the-burkholderiales-isolated-from-cephalotes-rohweri-ant-guts
#2
Jonathan Y Lin, William J Hobson, John T Wertz
Cephalotes "turtle" ants host a core group of gut-associated symbionts, but their potential contributions to ant nutrition and disease resistance remain uncharacterized in vitro. To gain a better understanding of the metabolic capability of core symbionts belonging to the Burkholderiales, we cultivated and characterized strain CAG32T, isolated from the guts of Cephalotes rohweri ants. Strain CAG32T was rod-shaped, Gram-negative, motile, and formed pale-white colonies on trypticase soy agar. Optimum growth occurred under an atmosphere of 20% O2 supplemented with 1% CO2...
November 9, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27860343/isolation-of-campylobacter-spp-from-client-owned-dogs-and-cats-and-retail-raw-meat-pet-food-in-the-manawatu-new-zealand
#3
K Bojanić, A C Midwinter, J C Marshall, L E Rogers, P J Biggs, E Acke
Campylobacter causes acute gastroenteritis in people worldwide and is frequently isolated from food, animals and the environment. The disease is predominately food-borne but many routes of transmission and sources of infection have been described, including contact with pets. The prevalence of Campylobacter spp. in dogs and cats varies widely, and data on New Zealand pets are limited. This study aimed to investigate the prevalence of Campylobacter spp. in dogs, cats and retail raw meat pet food products in New Zealand and to characterize Campylobacter jejuni isolates using multilocus sequence typing (MLST)...
November 12, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27783449/essential-role-of-bordetella-nadc-in-a-quinolinate-salvage-pathway-for-nad-biosynthesis
#4
Timothy J Brickman, Ryan J Suhadolc, Pamela J McKelvey, Sandra K Armstrong
NAD is produced via de novo biosynthesis pathways and by salvage or recycling routes. The classical Bordetella bacterial species are known to be auxotrophic for nicotinamide or nicotinic acid. This study confirmed that Bordetella bronchiseptica, Bordetella pertussis, and Bordetella parapertussis have the recycling/salvage pathway genes pncA and pncB, for use of nicotinamide or nicotinic acid, respectively, for NAD synthesis. Although these Bordetellae lack the nadA and nadB genes needed for de novo NAD biosynthesis, remarkably, they have one de novo pathway gene, nadC, encoding quinolinate phosphoribosyltransferase...
October 26, 2016: Molecular Microbiology
https://www.readbyqxmd.com/read/27731909/bordetella-adenylate-cyclase-toxin-interacts-with-filamentous-haemagglutinin-to-inhibit-biofilm-formation-in-vitro
#5
Casandra Hoffman, Joshua Eby, Mary Gray, F Heath Damron, Jeffrey Melvin, Peggy Cotter, Erik Hewlett
Bordetella pertussis, the causative agent of whooping cough, secretes and releases adenylate cyclase toxin (ACT), which is a protein bacterial toxin that targets host cells and disarms immune defenses. ACT binds filamentous haemagglutinin (FHA), a surface-displayed adhesin, and until now, the consequences of this interaction were unknown. A B. bronchiseptica mutant lacking ACT produced more biofilm than the parental strain; leading Irie et al. to propose the ACT-FHA interaction could be responsible for biofilm inhibition...
October 12, 2016: Molecular Microbiology
https://www.readbyqxmd.com/read/27716057/acquisition-and-loss-of-virulence-associated-factors-during-genome-evolution-and-speciation-in-three-clades-of-bordetella-species
#6
Bodo Linz, Yury V Ivanov, Andrew Preston, Lauren Brinkac, Julian Parkhill, Maria Kim, Simon R Harris, Laura L Goodfield, Norman K Fry, Andrew R Gorringe, Tracy L Nicholson, Karen B Register, Liliana Losada, Eric T Harvill
BACKGROUND: The genus Bordetella consists of nine species that include important respiratory pathogens such as the 'classical' species B. bronchiseptica, B. pertussis and B. parapertussis and six more distantly related and less extensively studied species. Here we analyze sequence diversity and gene content of 128 genome sequences from all nine species with focus on the evolution of virulence-associated factors. RESULTS: Both genome-wide sequence-based and gene content-based phylogenetic trees divide the genus into three species clades...
September 30, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27666464/prior-exposure-to-bordetella-species-as-an-exclusion-criterion-in-the-baboon-model-of-pertussis
#7
Annalee W Nguyen, Ellen K Wagner, Luciano Posada, Xinlei Liu, Sheila Connelly, James F Papin, Roman F Wolf, Michael Kaleko, Jennifer A Maynard
The baboon model of Bordetella pertussis infection is the newest and most clinically accurate model of the human disease to date. However, among the 15 experimentally infected baboons in this study, a subset of baboons did not exhibit the expected high bacterial colonization levels or increase in white blood cell count. Moreover, cultures of nasopharyngeal wash samples from several baboons suggested B. bronchiseptica coinfection. Analysis of serum antibodies recognizing filamentous hemagglutinin, pertussis toxin and B...
September 26, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27659847/bordetella-bronchiseptica-antigen-enhances-the-production-of-mycoplasma-hyopneumoniae-antigen-specific-immunoglobulin-g-in-mice
#8
Seol-Hwa Yim, Tae-Wook Hahn, Hong-Gu Joo
We previously demonstrated that Bordetella bronchiseptica (B. bronchiseptica) antigen (Ag) showed high immunostimulatory effects on mouse bone marrow cells (BMs) while Mycoplasma hyopneumoniae (M. hyopneumoniae) Ag showed low. The focus of this study was if B. bronchiseptica Ag may enhance M. hyopneumoniae Ag-specific immune response, and also the host immune system can recognize both Ags. MTT assay revealed that each or both Ags did not significantly change the cell metabolic activity of BMs. Flow cytometry analysis using carboxyfluorescein succinimidyl ester presented that B...
September 23, 2016: Journal of Veterinary Science
https://www.readbyqxmd.com/read/27628741/the-first-siphoviridae-family-bacteriophages-infecting-bordetella-bronchiseptica-isolated-from-environment
#9
Aleksandra Petrovic, Rok Kostanjsek, Gabor Rakhely, Petar Knezevic
Bordetella bronchiseptica is a well-known etiological agent of kennel cough in dogs and cats and one of the two causative agents of atrophic rhinitis, a serious swine disease. The aim of the study was to isolate B. bronchiseptica bacteriophages from environmental samples for the first time. A total of 29 phages from 65 water samples were isolated using the strain ATCC 10580 as a host. The lytic spectra of the phages were examined at 25 and 37 °C, using 12 strains of B. bronchiseptica. All phages were able to plaque on 25...
September 15, 2016: Microbial Ecology
https://www.readbyqxmd.com/read/27610105/sequence-based-screening-for-rare-enzymes-new-insights-into-the-world-of-amdases-reveal-a-conserved-motif-and-58-novel-enzymes-clustering-in-eight-distinct-families
#10
Janine Maimanakos, Jennifer Chow, Sarah K Gaßmeyer, Simon Güllert, Florian Busch, Robert Kourist, Wolfgang R Streit
Arylmalonate Decarboxylases (AMDases, EC 4.1.1.76) are very rare and mostly underexplored enzymes. Currently only four known and biochemically characterized representatives exist. However, their ability to decarboxylate α-disubstituted malonic acid derivatives to optically pure products without cofactors makes them attractive and promising candidates for the use as biocatalysts in industrial processes. Until now, AMDases could not be separated from other members of the aspartate/glutamate racemase superfamily based on their gene sequences...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27542997/comparison-of-ribotyping-and-sequence-based-typing-for-discriminating-among-isolates-of-bordetella-bronchiseptica
#11
Karen B Register, Tracy L Nicholson, Brian W Brunelle
PvuII ribotyping and MLST are each highly discriminatory methods for genotyping Bordetella bronchiseptica, but a direct comparison between these approaches has not been undertaken. The goal of this study was to directly compare the discriminatory power of PvuII ribotyping and MLST, using a single set of geographically and genetically diverse strains, and to determine whether subtyping based on repeat region sequences of the pertactin gene (prn) provides additional resolution. One hundred twenty-two isolates were analyzed, representing 11 mammalian or avian hosts, sourced from the United States, Europe, Israel and Australia...
October 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27541336/functional-identification-of-putrescine-c-and-n-hydroxylases
#12
Bin Li, Tiffany Lowe-Power, Shin Kurihara, Stephen Gonzales, Jacinth Naidoo, John B MacMillan, Caitilyn Allen, Anthony J Michael
The small polyamine putrescine (1,4-diaminobutane) is ubiquitously and abundantly found in all three domains of life. It is a precursor, through N-aminopropylation or N-aminobutylation, for biosynthesis of the longer polyamines spermidine, sym-homospermidine, spermine, and thermospermine and longer and branched chain polyamines. Putrescine is also biochemically modified for purposes of metabolic regulation and catabolism, e.g. N-acetylation and N-glutamylation, and for incorporation into specialized metabolites, e...
October 21, 2016: ACS Chemical Biology
https://www.readbyqxmd.com/read/27527760/molecular-surveillance-of-traditional-and-emerging-pathogens-associated-with-canine-infectious-respiratory-disease
#13
Nicola Decaro, Viviana Mari, Vittorio Larocca, Michele Losurdo, Gianvito Lanave, Maria Stella Lucente, Marialaura Corrente, Cristiana Catella, Stefano Bo, Gabriella Elia, Giorgio Torre, Erika Grandolfo, Vito Martella, Canio Buonavoglia
A molecular survey for traditional and emerging pathogens associated with canine infectious respiratory disease (CIRD) was conducted in Italy between 2011 and 2013 on a total of 138 dogs, including 78 early acute clinically ill CIRD animals, 22 non-clinical but exposed to clinically ill CIRD dogs and 38 CIRD convalescent dogs. The results showed that canine parainfluenza virus (CPIV) was the most commonly detected CIRD pathogen, followed by canine respiratory coronavirus (CRCoV), Bordetella bronchiseptica, Mycoplasma cynos, Mycoplasma canis and canine pneumovirus (CnPnV)...
August 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27487509/occurence-of-bordetella-bronchiseptica-in-domestic-cats-with-upper-respiratory-tract-infections
#14
M Garbal, Ł Adaszek, P Łyp, J Frymus, M Winiarczyk, S Winiarczyk
Bordetella bronchiseptica is a widespread Gram-negative pathogen occurring in different mammal species. It is known to play a role in the etiology of infectious atrophic rhinitis of swine, canine kennel cough, respiratory syndromes of cats, rabbits and guinea pigs, and sporadic human cases have also been reported. The aim of this article is to present the occurrence of infections caused by these bacteria in domestic cats with respiratory symptoms, as well as to conduct a molecular analysis of the flaA gene B...
2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/27461723/quantitative-pcr-and-cytology-of-bronchoalveolar-lavage-fluid-in-dogs-with-bordetella-bronchiseptica-infection
#15
A M Canonne, F Billen, C Tual, E Ramery, E Roels, I Peters, C Clercx
BACKGROUND: The use of quantitative PCR (qPCR) for detection of Bordetella bronchiseptica in bronchoalveolar lavage fluid (BALF) and demonstration of bacteria adhering to ciliated epithelial cells in BALF or bronchial brushing fluid (BBF) has not been assessed in a series of affected dogs. Coinfections can worsen the clinical severity in bordetellosis, but the specific association with Mycoplasma cynos has not been evaluated. OBJECTIVES: To assess the utility of culture, qPCR and cytologic examination of cytospin preparations in the diagnosis of bordetellosis in dogs and the influence of coinfection by M...
July 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27428002/retrospective-analysis-of-bacterial-and-viral-co-infections-in-pneumocystis-spp-positive-lung-samples-of-austrian-pigs-with-pneumonia
#16
Christiane Weissenbacher-Lang, Branislav Kureljušić, Nora Nedorost, Bettina Matula, Wolfgang Schießl, Daniela Stixenberger, Herbert Weissenböck
Aim of this study was the retrospective investigation of viral (porcine circovirus type 2 (PCV2), porcine reproductive and respiratory syndrome virus (PRRSV), torque teno sus virus type 1 and 2 (TTSuV1, TTSuV2)) and bacterial (Bordetella bronchiseptica (B. b.), Mycoplasma hyopneumoniae (M. h.), and Pasteurella multocida (P. m.)) co-infections in 110 Pneumocystis spp. positive lung samples of Austrian pigs with pneumonia. Fifty-one % were positive for PCV2, 7% for PRRSV, 22% for TTSuV1, 48% for TTSuV2, 6% for B...
2016: PloS One
https://www.readbyqxmd.com/read/27424791/successful-treatment-of-bordetella-bronchiseptica-pneumonia-by-minocycline-in-anti-neutrophil-cytoplasmic-antibodies-associated-vasculitis-patient
#17
Yuji Ito, Keiichi Uemura
Bordetella bronchiseptica is a bacterial pathogen usually isolated from animals and rarely causes human infections. There are, however, some reports that B. bronchiseptica causes human respiratory infections in immunocompromised patients or those with underlying respiratory diseases, although there is a lack of treatment guidelines. An 80-year-old woman was admitted to our hospital to treat anti-neutrophil cytoplasmic antibodies-associated vasculitis. On the 16th day after admission, she complained of a productive cough with right pleuritic pain and had low-grade fever...
July 11, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/27380521/homologs-of-the-lapd-lapg-c-di-gmp-effector-system-control-biofilm-formation-by-bordetella-bronchiseptica
#18
Nicolás Ambrosis, Chelsea D Boyd, George A O Toole, Julieta Fernández, Federico Sisti
Biofilm formation is important for infection by many pathogens. Bordetella bronchiseptica causes respiratory tract infections in mammals and forms biofilm structures in nasal epithelium of infected mice. We previously demonstrated that cyclic di-GMP is involved in biofilm formation in B. bronchiseptica. In the present work, based on their previously reported function in Pseudomonas fluorescens, we identified three genes in the B. bronchiseptica genome likely involved in c-di-GMP-dependent biofilm formation: brtA, lapD and lapG...
2016: PloS One
https://www.readbyqxmd.com/read/27374906/antimicrobial-susceptibility-monitoring-of-bacterial-pathogens-isolated-from-respiratory-tract-infections-in-dogs-and-cats-across-europe-compath-results
#19
Ian Morrissey, Hilde Moyaert, Anno de Jong, Farid El Garch, Ulrich Klein, Carolin Ludwig, Julien Thiry, Myriam Youala
ComPath is a pan-European resistance monitoring programme collecting bacterial pathogens from dogs and cats. We present data for respiratory tract infection (RTI) isolates collected between 2008 and 2010. Antimicrobial minimal inhibitory concentrations (MICs) were determined and susceptibility calculated following Clinical Laboratory Standards Institute (CLSI) standards for veterinary medicine. The main pathogen from dogs was Staphylococcus intermedius Group (49/215, 22.8%) which was >90% susceptible to most antimicrobials (including oxacillin - 93...
August 15, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27349762/heterologous-expression-of-porcine-reproductive-and-respiratory-syndrome-virus-glycoprotein-5-in-bordetella-bronchiseptica-aroa-mutant
#20
Sang Ik Park, Ja Young Seo, Tae Jung Kim
Porcine reproductive and respiratory syndrome virus (PRRSV) is an economically important disease around the globe. Protection against this virus remains problematic. Here, we evaluated antibody (IgG & IgA) inducibility of a heterologous PRRSV glycoprotein 5 (GP5) expressed in a live attenuated Bordetella bronchiseptica aroA mutant strain (BBS-GP5). Mice and pigs were primed with recombinant GP5 (rGP5) subcutaneously followed by boosting with live BBS-GP5. As a result, anti-GP5 IgG was induced in both mice (P<0...
June 24, 2016: Journal of Veterinary Medical Science
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