Avipoxvirus in blackcaps (Sylvia atricapilla)

Avian Pathology : Journal of the W.V.P.A
Pavel KulichI Literák

Abstract

From July to September 2005, 1075 wild birds of 37 species were mist-netted at a location in the north-eastern part of the Czech Republic. The birds were examined for the presence of avipoxvirus lesions. This was demonstrated by electron microscopy in skin lesions in nine of 244 blackcaps (Sylvia atricapilla) examined (4% prevalence). Blackcaps skin bioptates were processed using the ultrathin section method. In skin bioptates, avipoxviruses were demonstrated in intracytoplasmic inclusions where, in addition to mature viruses, lipids and filamentous structures concentrated into large circular formations were found. The so-called additional inclusions were also found. These did not contain any virus components, and they served as the precursor of A-type intracytoplasmic inclusions. Blackcap avipoxvirus was isolated by passage on the chorioallantoic membrane of 9-day-old chicken embryos. The virus was successfully adapted after 11 passages (each passage lasted 5 to 7 days), at which time a marked changes in the form of tiny nodules 2 to 3 mm in diameter were observed on the chorioallantoic membrane. Further identification of field isolates and of the cultured virus was carried out using polymerase chain reaction and sequencing. S...Continue Reading

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Citations

Oct 9, 2013·Avian Pathology : Journal of the W.V.P.A·J E Estrella-TecJ L Puerto-Nájera
Jul 19, 2013·The Journal of General Virology·Kristy OffermanAnna-Lise Williamson
Nov 23, 2016·Journal of the American Veterinary Medical Association·Tamara Veiga-Parga, Linden E Craig
Dec 23, 2016·PloS One·Jorge Ruiz-MartínezLaura Benítez
May 28, 2019·Archives of Virology·Fatemeh ZarifiJamshid Razmyar

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Datasets Mentioned

BETA
EU124667
AF198100.1
AJ223385.1
AY318871.1
AY631870.1

Methods Mentioned

BETA
electron microscopy

Software Mentioned

BLAST
Vector NTI advance®
Basic Local Alignment Search Tool ( BLAST )
Clustal W
AlignX

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