[PDF] Top 20 The pathogenesis of low pathogenicity H7 avian influenza viruses in chickens, ducks and turkeys
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The pathogenesis of low pathogenicity H7 avian influenza viruses in chickens, ducks and turkeys
... tions were cut (4 μm thick) from paraffin-embedded tis- sue samples and mounted on charged glass slides (Superfrost/Plus; Fisher Scientific). Deparaffinization, antigen retrieval and blocking procedures have been ... See full document
10
Highly pathogenic avian influenza virus infection in chickens but not ducks is associated with elevated host immune and pro inflammatory responses
... enza viruses, has been regarded to be due to hyper-acute induction of pro-inflammatory cytokines often referred as hypercytokinemia or cytokine storm ...lent influenza virus ...severe pathogenicity ... See full document
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Transcriptional analysis of the innate immune response of ducks to different species of origin low pathogenic H7 avian influenza viruses
... disease pathogenesis and the cytokine re- sponses of ducks to LPAIV despite the fact that our studies used different tissues (PBMC versus spleen), time points (8, 12, 36 hpi versus 72 hpi), and LPAIV ... See full document
11
Ducks induce rapid and robust antibody responses than chickens at early time after intravenous infection with H9N2 avian influenza virus
... in chickens despite the implementation of a long-term vaccination program ...Moreover, ducks have been reported to be tolerant to H9N2 AIV infection, since infected ducks typically do not exhibit any ... See full document
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Pathobiology of Tennessee 2017 H7N9 low and high pathogenicity avian influenza viruses in commercial broiler breeders and specific pathogen free layer chickens
... where chickens showed high seroconversion rates (70–100%) to all tested North American H7 LPAI viruses (n = 12) following experimental inoculation studies, but exhibited sub-clinical to mild ...LPAI ... See full document
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Graaf, Annika (2019): From low to high pathogenicity: characterization of avian influenza viruses of subtypes H7 and H5. Dissertation, LMU München: Tierärztliche Fakultät
... other avian species and even mammals can acquire AIV infections (Freidl et ...their pathogenicity in gallinaceous poultry (e.g. chickens and turkeys), AIV can be distinguished into LP and ... See full document
203
Characterization of Low-Pathogenicity H5N1 Avian Influenza Viruses from North America
... being H7) which can become HPAI in chickens and turkeys ...for influenza A viruses and this reservoir has directly or indirectly been identified as a major source of AI viruses ... See full document
8
Amino Acid Substitutions in PB1 of Avian Influenza Viruses Influence Pathogenicity and Transmissibility in Chickens
... of avian influenza viruses (AIVs) are recognized as highly pathogenic avian influenza viruses (HPAIVs) on the basis of their lethality for ...and H7 sub- types represent ... See full document
10
Species and age related differences in the type and distribution of influenza virus receptors in different tissues of chickens, ducks and turkeys
... with influenza viruses espe- cially following infection with highly pathogenic isolates indicating again that receptor distribution might not be as clear cut as observed with lectin ...pathogenic ... See full document
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Pathogenicity and Transmission of H5 and H7 Highly Pathogenic Avian Influenza Viruses in Mallards
... of avian influenza (AI) viruses (1). These AI viruses are highly host adapted, typically replicating in epithelial cells of the gastrointestinal tract and pro- ducing subclinical ...AI ... See full document
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Intercontinental spread of Asian-origin H7 avian influenza viruses by captive bird trade in 1990's
... suggesting H7 viruses seem to have acquired their gene segments from different gene pools of Eurasian and North American LPAIV through reassortment (Figure S2) and these genotypes may have co- circulated ... See full document
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Isolation and characterization of novel reassortant H6N1 avian influenza viruses from chickens in Eastern China
... reference viruses. The classical reference viruses were selected based on previ- ous reports [14, 18, 26], and the reference sequences of the strains used in this study were obtained from the In- fluenza ... See full document
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Analysis by Single-Gene Reassortment Demonstrates that the 1918 Influenza Virus Is Functionally Compatible with a Low-Pathogenicity Avian Influenza Virus in Mice
... for influenza A antigen using goat polyclonal anti- H1N1 (ab20841; Abcam, Cambridge, MA) and neutrophils using rabbit polyclonal antimyeloperoxidase (PU496-UP; BioGenex, Freemont, CA) were completed on a subset of ... See full document
10
Characterization of low pathogenicity avian influenza viruses isolated from wild birds in Mongolia 2005 through 2007
... Results: During 2005-2007 2,139 specimens representing 4,077 individual birds of 45 species were tested for AIV by real time RT-PCR (rRT-PCR) and/or virus isolation. Bird age and health status were recorded. Ninety ... See full document
8
Potential for Low-Pathogenic Avian H7 Influenza A Viruses To Replicate and Cause Disease in a Mammalian Model
... these viruses being LP and lacking multibasic cleavage sites, they could spread beyond the respiratory ...PI-4 viruses as, unlike PI-2 and PI-3 IAVs, the PI-4 IAV was detected in all organs tested at 2 dpi ... See full document
19
Emergence and Evolution of Avian H5N2 Influenza Viruses in Chickens in Taiwan
... H5N2 viruses from ...related viruses found in Japan are ...duck viruses reported in this study has a length of ...Mexican viruses that have similar genetic distances to the MRCA as the 2003 ... See full document
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Antibody titers in turkeys increase after multiple booster vaccinations with an attenuated Salmonella live vaccine
... Objective: Human Salmonellosis is one of the most frequently reported foodborne zoonoses in the European Union. The most common source of human infections is the consumption of poultry products. Besides management and ... See full document
7
Complex Reassortment of Multiple Subtypes of Avian Influenza Viruses in Domestic Ducks at the Dongting Lake Region of China
... domestic ducks breeds there ...new influenza vi- ruses through ...domestic ducks in the Dongting Lake region is occurring at a faster or slower pace than that in wild bird ... See full document
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Genetics, Receptor Binding, and Virulence in Mice of H10N8 Influenza Viruses Isolated from Ducks and Chickens in Live Poultry Markets in China
... an avian influenza virus to transmit among ...H6 influenza viruses bind to human-type receptors (27) and H7N9 viruses bind to both receptor types (28) but that the recent H9N2 ... See full document
5
Major contribution of the RNA binding domain of NS1 in the pathogenicity and replication potential of an avian H7N1 influenza virus in chickens
... the pathogenicity and replication potential of the virus, whereas the substitution A149V that was considered to abrogate the IFN-antagonistic activity of the effector domain entailed much less ...three ... See full document
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