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    Wyświetlanie 1-10 z 10
    Tytuł:
    Phylogenetic analysis of swine influenza viruses isolated in Poland
    Autorzy:
    Kowalczyk, A
    Markowska-Daniel, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/30634.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    pig
    animal population
    European population
    swine influenza virus
    H1N1 subtype
    H3N3 subtype
    phylogenetic analysis
    isolation
    Polska
    Opis:
    Swine influenza virus (SIV) of H1N1 and H3N2 subtypes are dominated in European pigs population. "Classical swine" H1N1 subtype was replaced by "avian-like" H1N1 subtype. It co-cir- culates with H3N2 reassortant possessing "avian" genes. In the present study, 41 SIV strains isolated from pigs with pneumonia, raised in 20 Polish farms, were identified and characterised. Since it was evidenced that isolates from the same geographic district and the same year of isolation are in 100% similar, 15 strains representing different district and different year of isolation were chosen to construct phylogenetic trees. Two genes, conservative matrix 1 (Ml) and the most variable, haemagglutynin (HA), were sequenced and subjected into phylogenetic analysis. The results of the analysis confirmed that "avian-like" swine H1N1 strains evolved faster than classical SIV strains. HA gene of these isolates have been derived from contemporary strains of "avian-like" SIV. In contrast, the Ml gene segment may have originated from avian influenza viruses. H3N2 strain is located in swine cluster, in the main prevalent European group of H3N2 isolates called A/Port Chalmers/l/73-like Eurasian swine H3N2 lineage, which has evolved separately from the human H3N2 virus lineage around 1973.
    Źródło:
    Polish Journal of Veterinary Sciences; 2010, 13, 1; 37-44
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Serological surveillance of avian influenza virus and canine distemper virus in captive Siberian Tigers in Northeastern China
    Autorzy:
    Wang, K.
    Wang, H.
    Feng, N.
    Zhao, Y.
    Gao, Y.
    Hu, G.
    Xia, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087698.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    influenza A virus
    canine distemper virus
    serological
    Siberian Tiger
    Źródło:
    Polish Journal of Veterinary Sciences; 2018, 21, 3; 491-495
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influenza virus proteins as factors involved in interspecies transmission
    Autorzy:
    Gora, I.M.
    Rozek, W.
    Zmudzinski, J.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/32083.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Influenza A viruses cause recurrent epidemics and global pandemics. One of the unique features of influenza virus is the ability to overcome interspecies barrier. Reassortment of viral genes and the accumulation of mutations contribute to the emergence of new influenza virus variants. The replication of influenza A virus in a specific host depends on many factors e.g. activity of viral proteins, host response system and environmental conditions. In this review the role of viral proteins as a condition for crossing the species barriers is discussed.
    Źródło:
    Polish Journal of Veterinary Sciences; 2014, 17, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Protein expression changes in cells inoculated with Equine Influenza Virus: antibody microarray analysis
    Autorzy:
    Rozek, W.
    Kwasnik, M.
    Zmudzinski, J.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/30270.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Changes in the level of cellular proteins in cells inoculated with equine influenza virus H7N7 and H3N8 were studied with microarray technique. H3N8 induced pro-apoptotic proteins while H7N7 induced both pro- as well as anti-apoptotic factors. The higher level of some cytoskeleton components and proteins involved in the protein quality control was recorded. Relatively high number of proteins involved in the regulation of transcription was down-regulated. The pattern of changes observed for H7N7 and H3N8 may reflect differences in the biological properties of both serotypes.
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Why Don’t Blanchard-Kahn ever "Catch" Flu? And How it Matters for Measuring Indirect Cost of Epidemics in DSGE Framework
    Autorzy:
    Torój, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/483327.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    indirect cost
    influenza
    DSGE
    Blanchard-Kahn conditions
    modelling epidemics
    Opis:
    We attempt to apply a New Keynesian open economy model to simulate the economic consequences of influenza epidemic in Poland and measure the output loss (indirect cost) related to this disease. We introduce a negative health shock on the supply side of the economy and demonstrate that such a shock – implemented as a reduction in labour utilisation under unchanged labour cost – is not equivalent to negative labour supply shock. As expectational effects may hypothetically play a significant role in determining the economic cost of influenza, we attempt to endogenise the mechanism of epidemic in the model for the rational expectations solution algorithm to take account for the possibility of epidemic. This attempt has failed for the standard SIR model of epidemic and for the standard Blanchard-Kahn-like local solution methods, as the SIR block is only consistent with Blanchard-Kahn conditions under herd immunity of the population. In the deterministic simulation with the number of infected given exogenously, the output loss resulting from influenza-related presenteeism and absenteeism was estimated at 0.004% of the steady state level on average in the period 2000-2013. The simulated indirect cost in the New Keynesian model has turned out to be lower than the estimates that one could possibly obtain using the human capital approach. The reason for this discrepancy is the demand-oriented construction of the New Keynesian framework, and we treat this result as closer in notion to what the friction cost approach might suggest.
    Źródło:
    Central European Journal of Economic Modelling and Econometrics; 2013, 5, 3; 185-206
    2080-0886
    2080-119X
    Pojawia się w:
    Central European Journal of Economic Modelling and Econometrics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Avian influenza viruses in wild birds at the Jeziorsko reservoir in Poland in 2008-2010
    Autorzy:
    Smietanka, K.
    Minta, Z.
    Wlodarczyk, R.
    Wyrostek, K.
    Jozwiak, M.
    Olszewska, M.
    Minias, P.
    Kaczmarek, K.
    Janiszewska, T.
    Kleszcz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/30276.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    During a 3-year surveillance study for avian influenza virus (AIV) infections at the Jeziorsko reservoir in central Poland, 549 oropharyngeal or cloacal swabs from 366 birds of 14 species belonging to 3 orders (Anseriformes, Charadriiformes and Gruiformes) were tested. AIV was detected in 14 birds (3.8%): Common Teals (12x), Mallard (1x) and Garganey (1x). Three potentially dangerous H5 AIV were detected in Common Teals (2x) and Garganey (1x) but all of them revealed a low pathogenic pathotype. A unique cleavage site amino acid motif PQREIR*GLF was found in one H5 isolate from a Garganey.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Etiology and pathology of epidemic outbreaks of avian influenza H5N1 infection in Egyptian chicken farms
    Autorzy:
    Ali, A.
    Elmowalid, G.
    Abdel-Glili, M.
    Sharafeldin, T.
    Abdallah, F.
    Mansour, F.
    Nagy, A.
    Ahmed, B.
    Abdelmoneim, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/30849.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Epidemic outbreaks of avian influenza (AI) virus H5N1 have been frequently reported in Egypt during the last nine years. Here we investigate the involvement of AI H5N1 in outbreaks of acute respiratory disease that occurred in several commercial chicken farms in Egypt in 2011, and we describe to the pathology caused by the virus in the course of the outbreak. Twenty-one chicken farms with history of acute respiratory symptoms and high mortalities were screened for AI H5N1. Virus identification was based on hemagglutination inhibition test, and PCR detection and sequencing of the hemagglutinin and neuraminidase genes. Virus distribution was determined by immunohistochemical staining of AI antigens in organs of infected birds. Standard H&E staining was performed for histological examination of affected organs. Eighty-one % of the examined birds, representing 100% of the screened farms, were positive for AI H5N1 virus. Phylogenetic analysis of the hemagglutinin and neuraminidase genes of the isolated virus reveals its affiliation to clade 2.2.1. Viral antigens were localized in the endothelial cells of the heart, liver, lungs and skin, where pathological lesions including congestion, hemorrhages, multifocal inflammation and necrosis were concurrently observed. According to the pattern of the viral antigen and lesion distribution in the visceral organs, we suggest cardiovascular and circulatory failures as the probable cause of death during these outbreaks. In conclusion, the present study further confirms the epidemic status of AI H5N1 virus in Egypt and reveals the highly pathogenic nature of the local isolates.
    Źródło:
    Polish Journal of Veterinary Sciences; 2015, 18, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative growth kinetic study of Newcastle disease virus, infectious bursal disease virus and avian influenza virus in chicken embryo fibroblast and DF-1 cell lines
    Autorzy:
    Anam, S.
    Rahman, S.U.
    Ali, S.
    Saeed, M.
    Goyal, S.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087170.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cytopathic effect
    titer
    growth kinetic
    vaccine production
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 2; 287-292
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quanto Pirandello (c’è) in Tabucchi? L’influenza di Luigi Pirandello nella narrativa di Antonio Tabucchi a partire dal confronto della construzione dei personaggi di Vitangelo Moscarda (Uno, nessuno e centomila) e di Pereira (Sostiene Pereira)
    Autorzy:
    Wincław, Dawid
    Powiązania:
    https://bibliotekanauki.pl/articles/2083822.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    crisis
    identity
    Pereira
    Moscarda
    modernism
    kryzys
    tożsamość
    Modernizm
    Opis:
    The purpose of this article is to present main literary relations between an Italian novelist and playwright Luigi Pirandello and his compatriot, modern writer Antonio Tabucchi, which manifest themselves primarily in the subject matter taken up by Tabucchi: an identity crisis of a literary character. Comparative analysis of the content of the novels One, No One, and One Hundred Thousand and Pereira Maintains shows, that the ‘disciple’ of Pirandello not only liked to reach for a similar subject matter, but also referred to the poetics used by the Sicilian.
    Artykuł ma na celu ukazanie głównych związków literackich Luigiego Pirandella, włoskiego powieściopisarza i dramaturga, oraz jego rodaka, współczesnego pisarza, Antonio Tabucchiego, które przejawiają się przede wszystkim w podejmowanej przez Tabucchiego tematyce: kryzysu tożsamości bohatera literackiego. Analiza komparatystyczna treści powieści Jeden, nikt i sto tysięcy oraz Twierdzi Pereira wykazuje, że „uczeń” Pirandella nie tylko chętnie sięgał po podobną tematykę, ale także nawiązywał do używanej przez Sycylijczyka poetyki.
    Źródło:
    Kwartalnik Neofilologiczny; 2020, 1; 124-137
    0023-5911
    Pojawia się w:
    Kwartalnik Neofilologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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