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  • Title: New real time and conventional RT-PCRs for updated molecular diagnosis of infectious bronchitis virus infection (IBV) in chickens in Egypt associated with frequent co-infections with avian influenza and Newcastle Disease viruses.
    Author: Naguib MM, El-Kady MF, Lüschow D, Hassan KE, Arafa AS, El-Zanaty A, Hassan MK, Hafez HM, Grund C, Harder TC.
    Journal: J Virol Methods; 2017 Jul; 245():19-27. PubMed ID: 28336367.
    Abstract:
    In Egypt, currently two geographically restricted genotypes of the infectious bronchitis coronavirus (IBV) are circulating with detrimental effects for poultry industry. A sensitive real-time RT-PCR assay targeting the IBV nucleocapsid gene (N) was developed to screen clinical samples for presence of IBV. Conventional RT-PCRs amplifying hypervariable regions (HVRs 1-2 and 3) of the IBV S1 gene were developed and amplificates used for nucleotide sequence-based typing of IBV field strains in Egyptian chickens directly from clinical samples.
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