Gamma and Deltacoronaviruses in quail and pheasants from Northern Italy1

In view of the restricted knowledge on the diversity of coronaviruses in poultry other than chicken, this study aimed to investigate the genetic diversity of coronaviruses in quail, pheasant, and partridge from two regions of Northern Italy. To this end, pools of tracheal and cloacal swabs from Euro...

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Published inPoultry science Vol. 96; no. 3; pp. 717 - 722
Main Authors Torres, C A, Listorti, V, Lupini, C, Franzo, G, Drigo, M, Catelli, E, Brandão, P E, Cecchinato, M
Format Journal Article
LanguageEnglish
Published England Poultry Science Association Inc. Published by Elsevier Inc 01.03.2017
Subjects
Animals
Cloaca - virology
Coronavirus - classification
Coronavirus - genetics
Coronavirus - isolation & purification
Coronavirus Infections - epidemiology
Coronavirus Infections - veterinary
Coronavirus Infections - virology
Coturnix
Galliformes
Genes, Viral
Genetic Variation
Italy - epidemiology
Phylogeny
Poultry Diseases - epidemiology
Poultry Diseases - virology
Sequence Analysis, DNA - veterinary
Trachea - virology
Deltacoronavirus
infectious bronchitis virus
pheasant
Gammacoronavirus
quail
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Summary:In view of the restricted knowledge on the diversity of coronaviruses in poultry other than chicken, this study aimed to investigate the genetic diversity of coronaviruses in quail, pheasant, and partridge from two regions of Northern Italy. To this end, pools of tracheal and cloacal swabs from European quail (Coturnix Coturnix) and intestinal tract from pheasants (Phasianus Colchicus) and partridge (Perdix Perdix) flocks, with or without enteric signs, were collected during 2015. Avian coronavirus (Gammacoronavirus) was detected in quail not vaccinated against Infectious Bronchitis Virus (IBV) and in pheasants vaccinated with an IBV Massachusetts serotype. Based on DNA sequences for the gene encoding the S protein, the avian coronaviruses detected in the quail and pheasant are related to the IBV 793B and Massachusetts types, respectively. However, RNA-dependent RNA polymerase (RdRp) analyses showed the susceptibility of quail also to Deltacoronaviruses, suggesting that quail and pheasant avian coronaviruses share spike genes identical to chicken IBV spike genes and quail might host Deltacoronavirus.
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The nucleotide sequence data reported in this paper have been submitted to GenBank Submission (8600 Rockville Pike, Bethesda MD, 20894 USA) nucleotide sequence database and have been assigned the accession number KX077959-KX077975.
Financial support by the São Paulo Research Foundation (FAPESP) and CNPq (Grant #s 2012/15007-8 and 301225/2013-3, respectively).
ISSN:0032-5791
1525-3171
DOI:10.3382/ps/pew332