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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/28504100/ectonucleotidase-and-adenosine-deaminase-as-inflammatory-marker-in-dairy-cows-naturally-infected-by-dictyocaulus-viviparus
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28504090/wound-healing-in-cutaneous-leishmaniasis-a-double-edged-sword-of-il-10-and-tgf-%C3%AE
#12
REVIEW
Amir Abdoli, Nahid Maspi, Fatemeh Ghaffarifar
Immune responses have a crucial role during the wound healing process in cutaneous leishmaniasis (CL). However, there are several paradoxes in immunity against CL. On the one hand, regulatory cytokines interleukin (IL)-10 and transforming growth factor beta (TGF-β) increase susceptibility to CL through suppression of several proinflammatory cytokines that require for defense against CL. On the other hand, these cytokines play a pivotal role in the acceleration of wound healing process. This review discusses about the dual role of IL-10 and TGF-β during the wound healing process and immunity against CL to offer a new insight about wound healing in CL...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28504089/immunohistochemical-expression-of-interferon-%C3%AE-in-different-types-of-granulomatous-lesions-associated-with-bovine-paratuberculosis
#13
Miguel Fernández, Miguel Fuertes, Natalia Elguezabal, Pablo Castaño, Marcos Royo, M Carmen Ferreras, Julio Benavides, Valentín Pérez
Animals infected with Mycobacterium avium subsp. paratuberculosis (Map) show a variety of lesions, from focal forms, seen in subclinical stages to diffuse lesions in clinical cases. The purpose of this study was to evaluate the local expression of IFN-γ by immunohistochemistry in relation with the type of lesion in naturally Map-infected cows. The number of immunolabelled cells, -the majority morphologically consistent with lymphocytes-, was higher in focal and diffuse paucibacillary forms than in diffuse multibacillary lesions, where they appeared closely related to epithelioid cells...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131386/goats-are-susceptible-to-bubaline-alphaherpesvirus-1-infection-results-of-an-experimental-study
#14
M Camero, V Larocca, M Losurdo, E Lorusso, G Patruno, V N Staffa, V Martella, C Buonavoglia, M Tempesta
Herpesvirus infections are generally subjected to strong host species restriction, although virological and serological investigations have revealed the possibility of cross-species infections in closely related animal species. In this study we evaluated susceptibility of goats to infection by Bubaline alphaherpesvirus 1 (BuHV-1). Four goats were inoculated intra-nasally with BuHV-1 and monitored clinically, virologically and serologically for 42days. None of the goats displayed clinical signs although all the animals variably shed the virus by the nasal route during the first 12days after infection...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131385/comparison-of-three-feline-leukaemia-virus-felv-point-of-care-antigen-test-kits-using-blood-and-saliva
#15
COMPARATIVE STUDY
Mark E Westman, Richard Malik, Evelyn Hall, Paul A Sheehy, Jacqueline M Norris
Feline leukaemia virus (FeLV) can be a challenging infection to diagnose due to a complex feline host-pathogen relationship and occasionally unreliable test results. This study compared the accuracy of three point-of-care (PoC) FeLV p27 antigen test kits commonly used in Australia and available commercially worldwide (SNAP FIV/FeLV Combo, Witness FeLV/FIV and Anigen Rapid FIV/FeLV), using detection of FeLV provirus by an in-house real-time polymerase chain reaction (qPCR) assay as the diagnostic gold standard...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131384/seroprevalence-of-west-nile-virus-antibodies-in-equids-in-the-north-east-of-algeria-and-detection-of-virus-circulation-in-2014
#16
Ismail Lafri, Christine M Prat, Idir Bitam, Patrick Gravier, Mohamed Besbaci, Fayçal Zeroual, Meriem Hind Ben-Mahdi, Bernard Davoust, Isabelle Leparc-Goffart
West Nile fever (WNF) is a viral disease of wild birds transmitted by mosquitoes. Humans and equids can also be affected and suffer from meningoencephalitis. In Algeria, since the 1994 epidemic, no data on WNV circulation was available until 2012. In September 2012, a fatal human case of WNV neuro-invasive infection occurred in Jijel province. This study describes the first seroprevalence study of West Nile virus (WNV) antibodies conducted in the equine population in Algeria. During 2014, serum samples were collected from 293 equids (222 donkeys and 71 horses) asymptomatic and unvaccinated for WNV in three localities in Northeastern wetlands of Algeria...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131383/transcutaneous-immunization-of-streptococcus-suis-bacterin-using-dissolving-microneedles
#17
Kai-Jen Hsueh, Mei-Chin Chen, Li-Ting Cheng, Jai-Wei Lee, Wen-Bin Chung, Chun-Yen Chu
Vaccine delivery using microneedle (MN) patches is an easy, safe and painless alternative to traditional needle injections. In this study, we examined whether MN patches can enhance the efficacy of a Streptococcus suis serotype 2 (S. suis 2) vaccine in a mouse model. Results showed that MNs can reach 200-250μm into the skin, a depth beneficial for targeted delivery of antigens to antigen-presenting cells in the epidermis and dermis. Vaccination with prime-boost of MN induced higher levels of IgG2a antibody titer, T cell proliferation, and TH1 cytokines (IFN-γ and IL-12) as compared to intramuscular (IM) injection...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131382/occurrence-of-canine-hemotropic-mycoplasmas-in-domestic-dogs-from-urban-and-rural-areas-of-the-valdivia-province-southern-chile
#18
Francisco Soto, Romina Walker, Maximiliano Sepulveda, Pedro Bittencourt, Gerardo Acosta-Jamett, Ananda Müller
This is the first study to investigate the occurrence, risk factors and hematological findings of hemoplasmas in dogs from Chile. Complete blood count and 16S rRNA conventional PCR for Mycoplasma spp. were performed in 278 blood samples from rural (n=139) and urban (n=139) dogs in Valdivia. Real time 16S rRNA PCR (qPCR) allowed species identification. Mycoplasma spp. occurrence was 24.8%. 'Candidatus M. haematoparvum' (CMhp) was identified in 12.2% and Mycoplasma haemocanis (Mhc) in 11.9% dogs. It was not possible to identify species in two Mycoplasma spp...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131381/bartonella-bovis-and-candidatus-bartonella-davousti-in-cattle-from-senegal
#19
Mustapha Dahmani, Masse Sambou, Pierre Scandola, Didier Raoult, Florence Fenollar, Oleg Mediannikov
In Senegal, domestic ruminants play a vital role in the economy and agriculture and as a food source for people. Bartonellosis in animals is a neglected disease in the tropical regions, and little information is available about the occurrence of this disease in African ruminants. Human bartonellosis due to Bartonella quintana has been previously reported in Senegal. In this study, 199 domestic ruminants, including 104 cattle, 43 sheep, and 52 goats were sampled in villages from the Senegalese regions of Sine Saloum and Casamance...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28131380/replication-of-neurovirulent-equine-herpesvirus-type-1-ehv-1-in-cd172a-monocytic-cells
#20
Kathlyn Laval, Jolien Van Cleemput, Katrien C Poelaert, Ivy K Brown, Hans J Nauwynck
Equine herpesvirus type 1 (EHV-1) is responsible for respiratory disorders, abortion and myeloencephalopathy (EHM) in horses. Two pathotypes of EHV-1 strains are circulating in the field: neurovirulent (N) and non-neurovirulent (NN). For both strains, CD172a(+) monocytic cells are one of the main carrier cells of EHV-1 during primary infection, allowing the virus to invade the horse's body. Recently, we showed that EHV-1 NN strains showed a restricted and delayed replication in CD172a(+) cells. Here we characterize the in vitro replication kinetics of two EHV-1N strains in CD172a(+) cells and investigate if the replication of these strains is similarly silenced as shown for EHV-1 NN strains...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
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