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Bluetongue virus: European Community inter-laboratory comparison tests to evaluate ELISA and RT-PCR detection methods

Darpel, KE, Batten, CA, Bachanek-Bankowska, K, Bin-Tarif, A, Kgosana L,, , Swain, AJ, Corteyn, M, Mellor, PS, Elliott, HG and Oura, CA (2008) Bluetongue virus: European Community inter-laboratory comparison tests to evaluate ELISA and RT-PCR detection methods Veterinary Microbiology, 129 (1-2). pp. 80-88.

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Abstract

European Community national reference laboratories participated in two inter-laboratory comparison tests in 2006 to evaluate the sensitivity and specificity of their 'in-house' ELISA and RT-PCR assays for the detection of bluetongue virus (BTV) antibodies and RNA. The first ring trial determined the ability of laboratories to detect antibodies to all 24 serotypes of BTV. The second ring trial, which included both antisera and EDTA blood samples from animals experimentally infected with the northern European strain of BTV-8, determined the ability of laboratories to detect BTV-8 antibodies and RNA, as well as the diagnostic sensitivity of the assays. A total of six C-ELISAs, six real-time RT-PCR and three conventional RT-PCR assays were used. All C-ELISAs were capable of detecting the BTV serotypes currently circulating in Europe (BTV-1, 2, 4, 8, 9 and 16), however some assays displayed inconsistencies in the detection of other serotypes, particularly BTV-19. All C-ELISAs detected BTV-8 antibodies in cattle and sheep by 21 dpi, while the majority of assays detected antibodies by 9 dpi in cattle and 8 dpi in sheep. All the RT-PCR assays were able to detect BTV-8, although the real-time assays were more sensitive compared to the conventional assays. The majority of real-time RT-PCR assays detected BTV RNA as early as 2 dpi in cattle and 3 dpi in sheep. These two ring trails provide evidence that national reference laboratories within the EC are capable of detecting BTV antibodies and RNA and provide specificity and sensitivity information on the detection methods currently available.

Item Type: Article
Authors :
NameEmailORCID
Darpel, KEk.darpel@surrey.ac.ukUNSPECIFIED
Batten, CAUNSPECIFIEDUNSPECIFIED
Bachanek-Bankowska, KUNSPECIFIEDUNSPECIFIED
Bin-Tarif, AUNSPECIFIEDUNSPECIFIED
Kgosana L,, UNSPECIFIEDUNSPECIFIED
Swain, AJUNSPECIFIEDUNSPECIFIED
Corteyn, MUNSPECIFIEDUNSPECIFIED
Mellor, PSUNSPECIFIEDUNSPECIFIED
Elliott, HGUNSPECIFIEDUNSPECIFIED
Oura, CAUNSPECIFIEDUNSPECIFIED
Date : 25 May 2008
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 09:44
Last Modified : 17 May 2017 14:44
URI: http://epubs.surrey.ac.uk/id/eprint/824924

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