Detection and molecular characterization of infectious bronchitis-like viruses in wild bird populations
PBN-AR
Instytucja
Państwowy Instytut Weterynaryjny - Państwowy Instytut Badawczy
Informacje podstawowe
Główny język publikacji
en
Czasopismo
AVIAN PATHOLOGY
ISSN
0307-9457
EISSN
1465-3338
Wydawca
TAYLOR & FRANCIS LTD
DOI
URL
Rok publikacji
2014
Numer zeszytu
5
Strony od-do
406-413
Numer tomu
43
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
en
Detection
molecular characterization
infectious bronchitis-like viruses
wild bird
Streszczenia
Język
en
Treść
We examined 884 wild birds mainly from the Anseriformes, Charadriiformes and Galliformes orders for infectious bronchitis (IBV)-like coronavirus in Poland between 2008 and 2011. Coronavirus was detected in 31 (3.5%) of the tested birds, with detection rates of 3.5% in Anseriformes and 2.3% in Charadriiformes and as high as 17.6% in Galliformes. From the 31 positive samples, only 10 gave positive results in molecular tests aimed at various IBV genome fragments: five samples were positive for the RdRp gene, four for gene 3, eight for gene N and eight for the 3′-untranslated region fragment. All analysed genome fragments of the coronavirus strains shared different evolutionary branches, resulting in a different phylogenetic tree topology. Most detected fragment genes seem to be IBV-like genes of the most frequently detected lineages of IBV in this geographical region (i.e. Massachusetts, 793B and QX). Two waves of coronavirus infections were identified: one in spring (April and May) and another in late autumn (October to December). To our knowledge this is the first report of the detection of different fragment IBV-like genes in wild bird populations.
Cechy publikacji
praca doświadczalna
Inne
System-identifier
553627
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