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Bordetella bronchiseptica

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https://www.readbyqxmd.com/read/29778191/antimicrobial-susceptibility-and-genetic-relatedness-of-respiratory-tract-pathogens-in-weaner-pigs-over-a-12-month-period
#1
Lisa Niemann, Petra Müller, Jasmin Brauns, Rolf Nathaus, Franziska Schäkel, Kerstin Kipschull, Doris Höltig, Michael Wendt, Stefan Schwarz, Kristina Kadlec
The collaboration project VASIB aims at reducing the antibiotic consumption in pig production by integrating information from consulting expertise in clinical inspection, hygiene, epidemiology, microbiology and pharmacology. In this VASIB subproject, we investigated the antimicrobial susceptibility and relatedness of porcine respiratory tract pathogens. Bordetella bronchiseptica (n = 47), Pasteurella multocida (n = 18) and Streptococcus suis (n = 58) were obtained from weaner pigs at two farms. Antimicrobial susceptibility testing was performed by broth microdilution according to CLSI standards...
June 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29728062/robust-sub-nanomolar-library-preparation-for-high-throughput-next-generation-sequencing
#2
Wells W Wu, Je-Nie Phue, Chun-Ting Lee, Changyi Lin, Lai Xu, Rong Wang, Yaqin Zhang, Rong-Fong Shen
BACKGROUND: Current library preparation protocols for Illumina HiSeq and MiSeq DNA sequencers require ≥2 nM initial library for subsequent loading of denatured cDNA onto flow cells. Such amounts are not always attainable from samples having a relatively low DNA or RNA input; or those for which a limited number of PCR amplification cycles is preferred (less PCR bias and/or more even coverage). A well-tested sub-nanomolar library preparation protocol for Illumina sequencers has however not been reported...
May 4, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29703836/-bordetella-bronchiseptica-pneumonia-beware-of-the-dog
#3
Jamie Clements, Christopher McGrath, Charlie McAllister
We report the case of a 35-year-old quadriplegic male with confirmed Bordetella bronchiseptica pneumonia, manifesting with acute hypoxic respiratory failure on a background of chronic hypercarbia requiring mechanical ventilation in intensive care. B. bronchiseptica are known to colonise the upper respiratory tracts of many mammals but are very rarely responsible for acute respiratory tract infections in humans.A review of the literature suggests preponderance for immunocompromised or immunoincompetent patients who have experienced environmental exposure to colonised animals...
April 27, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29684093/pgab-orthologues-contain-a-glycoside-hydrolase-domain-that-cleaves-deacetylated-poly-%C3%AE-1-6-n-acetylglucosamine-and-can-disrupt-bacterial-biofilms
#4
Dustin J Little, Roland Pfoh, François Le Mauff, Natalie C Bamford, Christina Notte, Perrin Baker, Manita Guragain, Howard Robinson, Gerald B Pier, Mark Nitz, Rajendar Deora, Donald C Sheppard, P Lynne Howell
Poly-β(1,6)-N-acetyl-D-glucosamine (PNAG) is a major biofilm component of many pathogenic bacteria. The production, modification, and export of PNAG in Escherichia coli and Bordetella species require the protein products encoded by the pgaABCD operon. PgaB is a two-domain periplasmic protein that contains an N-terminal deacetylase domain and a C-terminal PNAG binding domain that is critical for export. However, the exact function of the PgaB C-terminal domain remains unclear. Herein, we show that the C-terminal domains of Bordetella bronchiseptica PgaB (PgaBBb) and E...
April 23, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29629645/development-and-application-of-two-multiplex-real-time-pcr-assays-for-detection-and-speciation-of-bacterial-pathogens-in-the-koala
#5
Lyndal S Hulse, Danica Hickey, Jessica M Mitchell, Kenneth W Beagley, William Ellis, Stephen D Johnston
Infectious diseases have contributed to the decline in the health of koala ( Phascolarctos cinereus) populations in the wild in some regions of Australia. Herein we report the development and validation of 2 multiplex real-time PCR (rtPCR) panels for the simultaneous detection of Mycoplasma spp., Ureaplasma spp., Bordetella bronchiseptica, and Chlamydia, including speciation and quantification of Chlamydia, in ocular, reproductive, and nasal swab samples in addition to semen and male urogenital and reproductive tissues, from koalas...
April 1, 2018: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/29593714/bacterial-and-pneumocystis-infections-in-the-lungs-of-gene-knockout-rabbits-with-severe-combined-immunodeficiency
#6
Jun Song, Guoshun Wang, Mark J Hoenerhoff, Jinxue Ruan, Dongshan Yang, Jifeng Zhang, Jibing Yang, Patrick A Lester, Robert Sigler, Michael Bradley, Samantha Eckley, Kelsey Cornelius, Kong Chen, Jay K Kolls, Li Peng, Liang Ma, Yuqing Eugene Chen, Fei Sun, Jie Xu
Using the CRISPR/Cas9 gene-editing technology, we recently produced a number of rabbits with mutations in immune function genes, including FOXN1, PRKDC, RAG1, RAG2, and IL2RG. Seven founder knockout rabbits (F0) and three male IL2RG null (-/y) F1 animals demonstrated severe combined immunodeficiency (SCID), characterized by absence or pronounced hypoplasia of the thymus and splenic white pulp, and absence of immature and mature T and B-lymphocytes in peripheral blood. Complete blood count analysis showed severe leukopenia and lymphocytopenia accompanied by severe neutrophilia...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29593446/characterization-of-isolates-of-bordetella-bronchiseptica-from-horses
#7
Rajesh Kumar Vaid, Karuppusamy Shanmugasundaram, Taruna Anand, Bidhan Chandra Bera, Mamta Tigga, Ramesh Dedar, Thachamvally Riyesh, Shashank Bardwaj, Nitin Virmani, Bhupendra Nath Tripathi, Rajkumar Singh
Bordetella bronchiseptica is a well-known Gram-negative bacterial pathogen causing a plethora of diseases in different animals. Although its infection has been reported from pigs and dogs in India, no report of B. bronchiseptica from horses is described. We report for the first time, isolation, identification and characterization of strains of B. bronchiseptica from respiratory infection in horses from different states in India. The antimicrobial susceptibility testing showed resistance to penicillins, ceftazidime, and chloramphanicol...
2018: Journal of Equine Science
https://www.readbyqxmd.com/read/29581411/the-transcriptional-regulator-bpsr-controls-the-growth-of-bordetella-bronchiseptica-by-repressing-genes-involved-in-nicotinic-acid-degradation
#8
Manita Guragain, Jamie Jennings-Gee, Natalia Cattelan, Mary Finger, Matt S Conover, Thomas Hollis, Rajendar Deora
Many of the pathogenic species of the genus Bordetella have an absolute requirement for nicotinic acid (NA) for laboratory growth. These gram negative bacteria also harbor a gene cluster homologous to the nic cluster of Pseudomonas putida which is involved in aerobic degradation of NA and its transcriptional control. We report here that BpsR, a negative regulator of biofilm formation and Bps polysaccharide production, controls the growth of B. bronchiseptica by repressing the expression of nic genes. The severe growth defect of the Δ bpsR strain in Stainer Scholte media was restored by supplementation with NA which also functioned as an inducer of nic genes at low micromolar concentrations that are usually present in animals and humans...
March 26, 2018: Journal of Bacteriology
https://www.readbyqxmd.com/read/29531137/the-adjuvant-bordetella-colonization-factor-a-attenuates-alum-induced-th2-responses-and-enhances-bordetella-pertussis-clearance-from-mouse-lungs
#9
Jamie Jennings-Gee, Sally Quataert, Tridib Ganguly, Ralph D'Agostino, Rajendar Deora, Purnima Dubey
The reemergence of pertussis or whooping cough in several countries highlights the need for better vaccines. Acellular pertussis vaccines (aPV) contain alum as the adjuvant and elicit Th2 biased immune responses that are less effective in protecting against infection than the reactogenic whole cell pertussis vaccines (wPV), which elicit primarily a Th1/Th17 response. An important goal for the field is to devise aPVs that will induce immune responses similar to wPV. We show that Bordetella Colonization Factor A (BcfA), an outer membrane protein from B...
March 12, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29504825/prevalence-of-microorganisms-associated-with-feline-gingivostomatitis
#10
Hitoshi Nakanishi, Masaru Furuya, Takehisa Soma, Yoshiki Hayashiuchi, Ryusaku Yoshiuchi, Makoto Matsubayashi, Hiroyuki Tani, Kazumi Sasai
Objectives Feline gingivostomatitis (FGS) is a painful chronic inflammatory disease of the oral cavity. The purpose of the study was to examine the frequency of detection of certain common feline bacteria and viruses to determine any potential associations with FGS. Methods A multicentre case-control study design was conducted. In total, 72 control cats and 32 cats with FGS were included in the study. Oral swabs were cultured for bacterial identification and a PCR assay was carried out to examine the infection of feline calicivirus (FCV), feline herpesvirus-1 (FHV-1), Chlamydia felis, Mycoplasma felis and Bordetella bronchiseptica...
March 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29485696/the-bordetella-bronchiseptica-nic-locus-encodes-a-nicotinic-acid-degradation-pathway-and-the-6-hydroxynicotinate-responsive-regulator-bpsr
#11
Timothy J Brickman, Sandra K Armstrong
The classical Bordetella species use amino acids as carbon sources and can catabolize organic acids and tricarboxylic acid cycle intermediates. They are also auxotrophic for nicotinamide adenine dinucleotide (NAD) pathway precursors such as nicotinic acid. Bordetellae have a putative nicotinate catabolism gene locus highly similar to that characterized in Pseudomonas putida KT2440. This study determined the distribution of the nic genes among Bordetella species and analyzed the regulation of this nicotinic acid degradation system...
May 2018: Molecular Microbiology
https://www.readbyqxmd.com/read/29428092/detection-of-specific-bacterial-agents-by-quantitative-pcr-assays-in-the-bronchoalveolar-lavage-fluid-of-dogs-with-eosinophilic-bronchopneumopathy-vs-dogs-with-chronic-bronchitis-and-healthy-dogs
#12
A M Canonne, I Peters, E Roels, L Desquilbet, C Clercx
In humans, Mycoplasma pneumoniae and Bordetella pertussis infections are suggested to trigger or exacerbate asthma. Whether Mycoplasma or Bordetella are associated with chronic inflammatory bronchial diseases in dogs has not been investigated. The aim of this study was to assess detection rates of Mycoplasma canis (M. canis), M. cynos and Bordetella bronchiseptica (Bb), in dogs with eosinophilic bronchopneumopathy (EBP) and chronic bronchitis (CB), compared with healthy dogs. Specific quantitative PCR (qPCR) analysis for M...
February 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29404410/ectopic-expression-of-o-antigen-in-bordetella-pertussis-by-a-novel-genomic-integration-system
#13
Keisuke Ishigaki, Naoaki Shinzawa, Sayaka Nishikawa, Koichiro Suzuki, Aya Fukui-Miyazaki, Yasuhiko Horiguchi
We describe a novel genome integration system that enables the introduction of DNA fragments as large as 50 kbp into the chromosomes of recipient bacteria. This system, named BPI, comprises a bacterial artificial chromosome vector and phage-derived gene integration machinery. We introduced the wbm locus of Bordetella bronchiseptica , which is required for O antigen biosynthesis, into the chromosome of B. pertussis , which intrinsically lacks O antigen, using the BPI system. After the introduction of the wbm locus, B...
January 2018: MSphere
https://www.readbyqxmd.com/read/29237995/recovery-of-bordetella-bronchiseptica-sequence-type-82-and-b-pseudohinzii-from-urban-rats-in-terengganu-malaysia
#14
Shih Keng Loong, Nurul-Asma-Anati Che-Mat-Seri, Osama Abdulrazak, Benacer Douadi, Siti-Noraisah Ahmad-Nasrah, Jefree Johari, Siti-Nursheena Mohd-Zain, Sazaly Abubakar
Rodents have historically been associated with zoonotic pandemics that claimed the lives of large human populations. Appropriate pathogen surveillance initiatives could contribute to early detection of zoonotic infections to prevent future outbreaks. Bordetella species are bacteria known to cause mild to severe respiratory disease in mammals and, some have been described to infect, colonize and spread in rodents. There is a lack of information on the population diversity of bordetellae among Malaysian wild rodents...
January 27, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29180369/membrane-vesicles-derived-from-bordetella-bronchiseptica-active-constituent-of-a-new-vaccine-against-infections-caused-by-this-pathogen
#15
D Bottero, M E Zurita, M E Gaillard, E Bartel, C Vercellini, D Hozbor
Bordetella bronchiseptica , a Gram-negative bacterium, causes chronic respiratory tract infections in a wide variety of mammalian hosts, including humans (albeit rarely). We recently designed Bordetella pertussis and Bordetella parapertussis experimental vaccines based on outer membrane vesicles (OMVs) derived from each pathogen, and we obtained protection against the respective infections in mice. Here, we demonstrated that OMVs derived from virulent-phase B. bronchiseptica (OMVBbvir+ ) protected mice against sublethal infections with different B...
February 15, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28973366/an-extracellular-polysaccharide-locus-required-for-transmission-of-bordetella-bronchiseptica
#16
Kalyan K Dewan, Dawn L Taylor-Mulneix, Lindsay J Hilburger, Israel Rivera, Andrew Preston, Eric T Harvill
Background: The lack of animal models to experimentally study how infectious agents transmit between hosts limits our understanding of what makes some pathogens so contagious. Methods: We recently developed a Bordetella bronchiseptica mouse model to study transmission and have used it to assess, for the first time, which of several well-studied "virulence factors" common to classical Bordetella species contribute to transmission. Results: Among 13 mutants screened, a mutant lacking an extracellular polysaccharide (EPS) locus consistently failed to transmit...
October 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28946850/bordetella-bronchiseptica-pneumonia-in-a-patient-with-lung-cancer-a-case-report-of-a-rare-infection
#17
Manlio Monti, Danila Diano, Francesco Allegrini, Angelo Delmonte, Valentina Fausti, Paola Cravero, Giulia Marcantognini, Giovanni Luca Frassineti
BACKGROUND: Bordetella bronchiseptica (B.bronchiseptica) is a frequent cause of respiratory infections in animals but rarely causes serious infection in humans. We present a rare case of B. bronchiseptica pneumonia in a patient with lung cancer. CASE PRESENTATION: A 52-year-old white male with non small cell lung cancer developed fever during treatment with nivolumab. A persistent productive cough and a deterioration in his clinical condition led to his hospitalization for evaluation...
September 25, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28943167/bordetella-bronchiseptica-infection
#18
M Ducours, P Rispal, M P Danjean, Y Imbert, E Dupont, E M Traissac, S Grosleron
OBJECTIVE: To collect data of all patients admitted to hospital with a positive test to Bordetella bronchiseptica between 2001 and 2015. METHODS: We performed a retrospective monocentric study of all hospitalized patients over the past 15 years with a positive test to B. bronchiseptica. RESULTS: Nine patients were included between 2001 and 2015; two presented with infectious relapses, i.e. a total of 14 positive test samples were observed...
November 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28906022/identification-and-characterization-of-a-brilliant-yellow-pigment-produced-by-bordetella-pertussis
#19
Keita Odanaka, Masato Iwatsuki, Tomomitsu Satho, Mineo Watanabe
Culture supernatants of Bordetella pertussis are a brilliant yellow; however, the structure and biological role of the responsible pigment have not been investigated. In this study, a brilliant yellow-colored fraction was extracted from culture supernatants of B. pertussis and analyzed by HPLC. UV-visible spectral analysis and mass spectrometry identified the brilliant yellow pigment as riboflavin. Riboflavin production was high in lag and early log phases and riboflavin was found to enhance growth of B. pertussis in low-density cultures...
September 14, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28892012/bordetella-adenylate-cyclase-hemolysin-toxins
#20
REVIEW
Nicole Guiso
Adenylate cyclase-hemolysin toxin is secreted and produced by three classical species of the genus Bordetella: Bordetella pertussis, B. parapertussis and B. bronchiseptica. This toxin has several properties such as: (i) adenylate cyclase activity, enhanced after interaction with the eukaryotic protein, calmodulin; (ii) a pore-forming activity; (iii) an invasive activity. It plays an important role in the pathogenesis of these Bordetella species responsible for whooping cough in humans or persistent respiratory infections in mammals, by modulating host immune responses...
September 11, 2017: Toxins
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