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Comparative Immunology, Microbiology and Infectious Diseases

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https://www.readbyqxmd.com/read/28522284/corrigendum-to-development-of-a-new-pcr-based-assay-to-detect-anaplasmataceae-and-the-first-report-of-anaplasma-phagocytophilum-and-anaplasma-platys-in-cattle-from-algeria-comp-immunol-microbiol-infect-dis-4-39-2015-39-45-elsevier-ltd
#1
Mustapha Dahmani, Bernard Davoust, Mohamed Seghir Benterki, Florence Fenollar, Didier Raoult, Oleg Mediannikov
No abstract text is available yet for this article.
May 15, 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673463/occurrence-of-hemotropic-mycoplasmas-in-non-human-primates-alouatta-caraya-sapajus-nigritus-and-callithrix-jacchus-of-southern-brazil
#2
Michelle P Cubilla, Leonilda C Santos, Wanderlei de Moraes, Zalmir S Cubas, Christian M Leutenegger, Marko Estrada, Rafael F C Vieira, Maurilio J Soares, LeAnn L Lindsay, Jane E Sykes, Alexander W Biondo
Hemoplasmas, the erythrocyte-associated mycoplasmas, have been detected in several primates, causing mostly subclinical infection. This study aimed to determine the prevalence of hemoplasma infection in captive and free-ranging monkeys from southern Brazil, as well as factors and hematological abnormalities associated with infection. Blood samples from 40 non-human primates (NHP) were tested for hemoplasmas and coinfections. An overall of 10/40 (25.0%) NHP tested positive for hemoplasmas using PCR-based assays, including 9/14 (64...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673462/cell-free-dna-induced-alteration-of-autophagy-response-and-tlr9-signaling-their-relation-to-amelioration-of-dss-colitis
#3
Györgyi Műzes, Anna L Kiss, Zsolt Tulassay, Ferenc Sipos
BACKGROUND: The influence of cell-free DNA (fDNA) administration on the TLR9-autophagy regulatory crosstalk within inflammatory circumstances remains unclear. AIMS: To examine the immunobiologic effects of iv. fDNA injection on the TLR9-mediated autophagy response in murine DSS-colitis. METHODS: Different types of modified fDNAs were administered to DSS-colitic mice. Disease and histological activities, spleen index were measured. Changes of the TLR9-associated and autophagy-related gene expression profiles of lamina proprial cells and splenocytes were assayed by quantitative real-time PCR, and validated by immunohistochemistries...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673461/experimental-infection-of-artibeus-intermedius-with-a-vampire-bat-rabies-virus
#4
Cirani Obregón-Morales, Álvaro Aguilar-Setién, Leonardo Perea Martínez, Guillermo Galvez-Romero, Flor Olivia Martínez-Martínez, Nidia Aréchiga-Ceballos
Experimental infection of Artibeus intermedius, the great fruit-eating bat, was performed with vampire bat rabies isolates. Bats (n=35) were captured in the wild and quarantined prior to experimental infection. No rabies antibodies were detected by rapid fluorescent focus inhibition test (RFFIT) prior to infection. Three doses of rabies virus (RV) and three different routes of infection were used. One out of 35 bats died without showing any clinical signs at day 14 and was positive for rabies. None of the 34 other bats showed clinical signs for rabies, but high antibody titers were detected post-inoculation, suggesting either innate immune response to the vampire bat rabies virus or possible pre-exposure to RV and inoculation leading to a booster effect...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673460/a-survey-of-canine-haemoprotozoan-parasites-from-turkey-including-molecular-evidence-of-an-unnamed-babesia
#5
Munir Aktas, Sezayi Ozubek
Canine tick-borne apicomplexan parasites have emerged in recent years, showing a wider geographic distribution and increased global prevalence. A reverse line blot assay was performed on 219 blood samples collected from domestic dogs for simultaneous detection of all named canine piroplasm species as well as Hepatozoon canis. Ten samples hybridized to the Theileria/Babesia and Babesia catch all probes but did not hybridize to any species-specific probe tested, suggesting the presence of an unrecognized Babesia species or genotype...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673459/serological-survey-of-neospora-caninum-and-toxoplasma-gondii-in-cattle-bos-indicus-and-water-buffaloes-bubalus-bubalis-in-ten-provinces-of-brazil
#6
Jenevaldo Barbosa da Silva, Rafael Romero Nicolino, Gisele Maria Fagundes, Henrique Dos Anjos Bomjardim, Alessandra Dos Santos Belo Reis, Danillo Henrique da Silva Lima, Carlos Magno Chaves Oliveira, José Diomedes Barbosa, Adivaldo Henrique da Fonseca
The objective of this study was to determine the prevalence of antibodies to Neospora caninum and Toxoplasma gondii among 500 cattle (Bos indicus) and 500 buffaloes (Bubalus bubalis) using the indirect fluorescent antibody test (IFAT) technique. Blood samples from were collected from water buffalo and cattle in 10 municipalities in the northern region of Brazil. The frequency of cattle and water buffaloes seropositive for Neospora caninum in Pará state, Brazil, was 55% and 44%, respectively, and the frequency of cattle and water buffaloes seropositive for Toxoplasma gondii was 52% and 39%, respectively...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673458/performance-endoparasitary-control-and-blood-values-of-ewes-locally-adapted-in-semiarid-region
#7
Josiel Borges Ferreira, Ana Carla Diógenes Suassuna Bezerra, Magda Maria Guilhermino, Jacinara Hody Gurgel Morais Leite, Wilma Emanuela da Silva, Renato Diógenes Macedo Paiva, Tallysson Nogueira Barbosa, José Ernandes Rufino de Sousa, Débora Andréa Evangelista Façanha
This study evaluated the variation in the prevalence of endoparasitoses and their impact on body condition and blood values of sheep of the Morada Nova breed. A total of 138 ewes were examined for their morphology (body weight, BW; body condition score, BCS), parasitology (faecal egg count, FEC; Famacha© score; coproculture), hematology (red blood cell count,RBC); hemoglobin concentration, HE; packet cell volume, PCV; mean corpuscular volume, MCV,; mean corpuscular hemoglobin, MCH; mean corpuscular hemoglobin concentration, MCHC; leukocytes, WBC) and serum biochemistry (glucose, cholesterol, triglycerides, urea, creatinine, total protein, albumin, globulin, AST and ALT)...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673457/incidence-and-vertical-transmission-rate-of-neospora-caninum-in-sheep
#8
Paulo César G A Filho, Júnior M B Oliveira, Muller R Andrade, José G Silva, Pomy C P Kim, Jonatas C Almeida, Wagnner J N Porto, Rinaldo A Mota
The infection by Neospora caninum in sheep can lead to abortion and the birth of weak and debilitated lambs. The aim of this study was to assess the incidence of natural infection by Neospora caninum and the vertical transmission rate among sheep. A flock of 50 sheep was monitored for serum antibody titres against N. caninum and seroconversion over a period of six months using an indirect ELISA technique. The offspring of the herd was also investigated regarding anti-N. caninum antibodies to determine the vertical transmission rate through the indirect immunofluorescence technique...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673456/pathogenic-leptospira-spp-in-bats-molecular-investigation-in-southern-brazil
#9
Fabiana Quoos Mayer, Emily Marques Dos Reis, André Vinícius Andrade Bezerra, Cristine Cerva, Júlio Rosa, Samuel Paulo Cibulski, Francisco Esmaile Sales Lima, Susi Missel Pacheco, Rogério Oliveira Rodrigues
The present study aimed to investigate the frequency of pathogenic Leptospira spp. in Brazilian bats and to determine possible risk factors associated to it. Ninety two bats of 12 species were evaluated. Whole genomic DNA from kidneys was extracted and real-time PCR specific to pathogenic Leptospira spp. was applied. Association between the frequency of specimens positive for Leptospira spp. and sex, age, bat species or family, season of collection, geographic localization and feeding habits was evaluated. The results showed that 39...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28673455/neorickettsia-risticii-rickettsia-sp-and-bartonella-sp-in-tadarida-brasiliensis-bats-from-buenos-aires-argentina
#10
Gabriel L Cicuttin, María N De Salvo, Isabel La Rosa, Federico E Gury Dohmen
Bats are potential reservoirs of many vector-borne bacterial pathogens. The aim of the present study was to detect species of Anaplasma, Ehrlichia, Neorickettsia, Rickettsia, Borrelia and Bartonella in Brazilian free-tailed bats (Tadarida brasiliensis, Molossidae) from Buenos Aires city, Argentina. Between 2012 and 2013, 61 T. brasiliensis from urban areas of Buenos Aires city were studied. The samples were molecularly screened by PCR and sequencing. Five bats (8.2%) were positive to Neorickettsia risticii, one (1...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504100/ectonucleotidase-and-adenosine-deaminase-as-inflammatory-marker-in-dairy-cows-naturally-infected-by-dictyocaulus-viviparus
#11
Aleksandro S da Silva, Matheus D Baldissera, Nathieli B Bottari, Pedro H Doleski, Guilherme M Carmo, Claiton I Schwertz, Neuber J Lucca, Luan C Henker, Manoela M Piva, Patrícia Giacomin, Lenita M Stefani, Daniela B R Leal, Gustavo Machado, Ricardo E Mendes
The aim of this study was to evaluate the influence of dictyocaulosis (mild or severe) on enzymes of NTPDase, 5'-nucleotidase, and adenosine deaminase (ADA) of dairy cows naturally infected by Dictyocaulus viviparus. Blood and faeces were collected from 22 dairy cows of the same farm to evaluate NTPDase (ATP and ADP substrate), 5'-nucleotidase, and ADA activities on days 0 (pre-treatment) and 10 (post-treatment). Seric activities of NTPDase (ATP substrate), 5'-nucleotidase, and ADA were lower (P<0.05) in D...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504099/zoonotic-intestinal-parasites-and-vector-borne-pathogens-in-italian-shelter-and-kennel-dogs
#12
Donato Traversa, Angela Di Cesare, Giulia Simonato, Rudi Cassini, Carmine Merola, Anastasia Diakou, Lénaïg Halos, Frederic Beugnet, Antonio Frangipane di Regalbono
This study investigated the presence of zoonotic parasites and vector-borne pathogens in dogs housed in kennels and shelters from four sites of Italy. A total of 150 adoptable dogs was examined with different microscopic, serological and molecular methods. Overall 129 dogs (86%) were positive for one or more parasites and/or pathogens transmitted by ectoparasites. Forty-eight (32%) were positive for one infection, while 81 (54%) for more than one pathogen. The most common zoonotic helminths recorded were hookworms, roundworms and Capillaria aerophila, followed by mosquito-borne Dirofilaria spp...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504098/first-molecular-detection-of-dirofilaria-immitis-spirurida-onchocercidae-infection-in-dogs-from-northern-algeria
#13
Djamel Tahir, Hanane Damene, Bernard Davoust, Philippe Parola
Dirofilaria immitis and Dirofilaria repens are mosquito-borne filarioid nematodes that affect dogs and other domestic and wild carnivores, causing heartworm disease and subcutaneous dirofilariosis, respectively. In Algeria, the data about the epidemiology of these infections is largely unknown. The present study was designed to establish the occurrence of D. immitis and D. repens in dogs in Algeria using molecular tools. In 2014 and 2015, a total of 209 dogs over one year of age of different breed and sex, living in Northern Algeria, were examined and blood samples were collected from each dog...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504097/humoral-immune-responses-of-experimentally-eimeria-ninakholyakimovae-infected-goat-kids
#14
Lorena Matos, María Del Carmen Muñoz, José Manuel Molina, Otilia Ferrer, Francisco Rodríguez, Davinia Pérez, Adassa María López, Sergio Martín, Carlos Hermosilla, Anja Taubert, Antonio Ruiz
Although cellular immune reactions seem to be crucial for protective immune responses in Eimeria spp. infections, there are also evidences on an active involvement of the humoral counterpart. In the present study, we have analyzed the humoral response of goat kids subjected to primary and challenge infections with Eimeria ninakholyakimovae. Specific levels of IgG and IgM in serum samples and IgA in the ileal mucus were estimated. In infected kids, significantly increased levels of IgG were observed from 3 weeks post infection onwards in addition to an enhancement of specific IgM and secretory IgA levels...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504096/multiple-clones-and-low-antimicrobial-resistance-rates-for-salmonella-enterica-serovar-infantis-populations-in-greece
#15
Theofilos Papadopoulos, Evanthia Petridou, Antonios Zdragas, Georgia Mandilara, Georgios Vafeas, Maria Passiotou, Alkiviadis Vatopoulos
All the Salmonella enterica ser. Infantis strains isolated under official control programs in Greece during a four year period were studied, 23 of human origin, 16 from food animals and one from food. Molecular analyses (PFGE) in combination with antimicrobial susceptibility testing were used to study whether the occurrence S. Infantis in Greece resulted from different biotypes or a successful spread of one clone. Low rates of antimicrobial resistance were observed, except for streptomycin among human isolates (48%), indicating that selective pressure due to consumption of antimicrobials has not resulted the spread of dominant clones...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504095/characterization-of-porcine-trueperella-pyogenes-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-maldi-tof-ms-molecular-typing-and-antimicrobial-susceptibility-profiling-in-sao-paulo-state
#16
Luisa Z Moreno, Carlos E C Matajira, Barbara L P da Costa, Thais S P Ferreira, Givago F R Silva, Mauricio C Dutra, Vasco T M Gomes, Ana Paula S Silva, Ana Paula G Christ, Maria Inês Z Sato, Andrea M Moreno
Trueperella pyogenes can be found as a commensal or pathogenic bacterium among animals causing a variety of pyogenic infections in several species. The agent appears to act primarily as an opportunistic pathogen but may disseminate and produce metastatic abscesses accompanied or not by mastitis, metritis or pneumonia. In this study, 30 porcine T. pyogenes strains were identified by MALDI-TOF MS and 16S rRNA sequencing and further evaluated in relation to their resistance and genetic profiles through broth microdilution and single enzyme AFLP...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504094/antimicrobial-activity-of-red-tailed-phascogale-phascogale-calura-serum
#17
Oselyne T W Ong, Jai M Green-Barber, Anusha Kanuri, Lauren J Young, Julie M Old
Antimicrobial substances in serum include circulating complement proteins and acute phase proteins (APPs). We identified gene sequences for APPs, haptoglobin (Hp), C-reactive protein (CRP) and serum amyloid A (SAA) in marsupial genomes. Hp and SAA levels were measured in red-tailed phascogale (Phascogale calura) sera using commercially available assays. Hp levels were higher in males than females, while SAA levels suggest the phascogales used in this study were healthy. Serum was co-cultured with four bacterial species...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504093/genetic-characterization-of-staphylococcus-aureus-isolated-from-nasal-samples-of-healthy-ewes-in-tunisia-high-prevalence-of-cc130-and-cc522-lineages
#18
Meriam Ben Said, Mohamed Salah Abbassi, Paula Gómez, Laura Ruiz-Ripa, Senda Sghaier, Oussama El Fekih, Abdennaceur Hassen, Carmen Torres
Staphylococcus aureus is a versatile bacterium, which can infect or colonize a variety of host species. The objective of this study was to characterize S. aureus isolates recovered from nasal swabs of 167 healthy ewes sampled from 12 farms in different areas of Tunisia during the period of 2014-2015. Genetic lineages, virulence factors and antibiotic resistance mechanisms were determined for recovered isolates. S. aureus was detected in 45 out of 167 tested samples (26.9%). All isolates were methicillin-susceptible (MSSA) and the majority of them were susceptible to tested antibiotics with few exceptions (% of resistance): penicillin (8...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504092/mycoplasma-sp-infection-in-captive-marcgrave-s-capuchin-monkeys-sapajus-flavius
#19
Ayodhya C Ramalho, Ricardo R Guerra, Anna C B Mongruel, Odilon Vidotto, Ricardo B Lucena, Monalisa V S F Guerra, Thállitha S W J Vieira, Rafael F C Vieira
Three species of hemoplasmas are known to infect monkeys, 'Candidatus Mycoplasma kahanei', 'Candidatus Mycoplasma haemomacaque' and 'Candidatus Mycoplasma aoti'. Marcgrave's capuchin monkey (Sapajus flavius) is a critically endangered neotropical primate species of the Brazilian Atlantic Forest, and thus, sustained efforts are needed to protect the health and well-being of these animals. This study has aimed to screen 12 captive S. flavius from the State of Paraíba, northeastern Brazil, for hemoplasma infection...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504091/toll-like-receptor-4-an-important-molecule-in-recognition-and-induction-of-appropriate-immune-responses-against-chlamydia-infection
#20
REVIEW
Reza Nosratababadi, Vahid Bagheri, Mohammad Zare-Bidaki, Hamid Hakimi, Nahid Zainodini, Mohammad Kazemi Arababadi
Chlamydia species are obligate intracellular pathogens causing different infectious diseases particularly asymptomatic genital infections and are also responsible for a wide range of complications. Previous studies showed that there are different immune responses to Chlamydia species and their infections are limited to some cases. Moreover, Chlamydia species are able to alter immune responses through modulating the expression of some immune system related molecules including cytokines. Toll like receptors (TLRs) belonge to pathogen recognition receptors (PRRs) and play vital roles in recognition of microbes and stimulation of appropriate immune responses...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
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