About: Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocks

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About: Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocks Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocks
Creator	Loutfi, Chafiqa Ducatez, Mariette El Harrak, Mehdi Fellahi, Siham Khayi, Slimane Ennaji, My Kuhn, Jens El, Mohammed Ibn, Saad Koraichi, Souda
Source	Medline; PMC
abstract	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 flocks, located in southern and central regions of Morocco, were amplified by RT-PCR, sequenced, and aligned for phylogenetic and amino-acid similarity analyses. RESULTS: The three isolates were found genetically highly distant from known avian IBV based on partial sequences of their S1 genes: gammaCoV/chicken/Morocco/I01/2011(IBV/Morocco/01), gammaCoV/chicken/Morocco/I30/2010 (IBV/Morocco/30), and gammaCoV/chicken/Morocco/I38/2013 (IBV/Morocco/38), nucleotide sequence identities reached 89.5 % to 90.9 % among the three isolates. The deduced protein sequence identities ranged from 29.7 % (between IBV/Morocco/38 and Egypt SCU-14/2013-1) to 78.2 % (between IBV/Morocco/01 and Spain/05/866). Amino acid sequence comparison and phylogenetic analysis indicated the emergence of a new Moroccan genotype, clustering with regionally related isolates from Spain (Spain/05/866) and belonging to a new sub-genotype. CONCLUSION: Our sequencing results demonstrate a co-circulation of wild-type infectious bronchitis viruses in broiler chickens. These results justify permanent monitoring of circulating strains in order to rationally modify vaccination strategies to make them appropriate to the evolving field situation.
has issue date	2015-08-04(xsd:dateTime)
bibo:doi	10.1186/s12985-015-0347-8
bibo:pmid	26239707
has license	cc-by
sha1sum (hex)	d38f4068c4bf5d99a9f4fc20b1914a3332a42ead
schema:url	https://doi.org/10.1186/s12985-015-0347-8
resource representing a document's title	Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocks
has PubMed Central identifier	PMC4524495
has PubMed identifier	26239707
schema:publication	Virol J
resource representing a document's body	covid:d38f4068c4bf5d99a9f4fc20b1914a3332a42ead#body_text
is schema:about of	named entity 'poultry' named entity 'infectious bronchitis' named entity 'genotype' named entity 'BACKGROUND' named entity 'UNAFFECTED' named entity 'MUTANTS' named entity 'PROTEINS' named entity 'CURRENT' named entity 'WILD-TYPE' named entity 'AMINO-ACID' named entity 'CHANGES' named entity 'SUBUNIT' named entity 'REGIONS' named entity 'GENOTYPE' covid:arg/d38f4068c4bf5d99a9f4fc20b1914a3332a42ead named entity 'A MAJOR' named entity 'MOROCCAN' named entity 'NEW' named entity 'EMERGENCE' named entity 'PHYLOGENETIC ANALYSIS' named entity 'BROILER CHICKEN' named entity 'GLYCOPROTEIN' named entity 'VACCINES' named entity 'SEROTYPES' named entity 'RESULT' named entity 'CIRCULATES' named entity 'PATHOGEN' named entity 'POULTRY' named entity 'AVIAN INFECTIOUS BRONCHITIS VIRUS' named entity 'FORM' named entity 'COMMERCIAL' named entity 'REVEALS' named entity 'INFECTIOUS BRONCHITIS VIRUS' named entity 'IBV' named entity 'Infectious bronchitis virus' named entity 'proteins' named entity 'vaccines' named entity 'poultry' named entity 'broiler chicken' named entity 'Phylogenetic analysis' named entity 'epitopes' named entity 'gene' named entity 'gene' named entity 'Italy' named entity 'serotypes' named entity 'trachea' named entity 'GenBank' named entity 'rales' named entity 'restriction fragment length polymorphism' named entity 'IBV' named entity 'poultry industry' named entity 'clinical signs' named entity 'Nucleotide sequence' named entity 'CK2' named entity 'Plan Green' named entity 'protein' named entity 'Avian coronavirus' named entity 'gene sequences' named entity 'nucleotide sequences' named entity 'allantoic' named entity 'catarrhal' named entity 'Taq DNA polymerase' named entity 'IBV' named entity 'IBV' named entity 'protein' named entity 'Moroccan' named entity 'trachea' named entity 'RNAase' named entity 'gene' named entity 'poultry' named entity 'ClustalW' named entity 'Moroccan'

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