Article
Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocks.
Virology journal - 4 Aug 2015
Fellahi Siham, El Harrak Mehdi, Ducatez Mariette, Loutfi Chafiqa, Koraichi Saad Ibn Souda, Kuhn Jens H, Khayi Slimane, El Houadfi Mohammed, Ennaji My Mustapha
Abstract excerpt
BACKGROUND: Infectious bronchitis virus (IBV), a major pathogen of commercial poultry flocks, circulates in the form of several serotypes/genotypes. Only a few amino-acid changes in the S1 subunit of wild-type IBVS proteins may result in mutants unaffected by current vaccines. METHODS: Partial S1 gene sequences of 3 IBV isolates of the Moroccan Italy 02 genotype from vaccinated and unvaccinated broiler chicken...
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