Free Access
Volume 31, Number 5, September-October 2000
Page(s) 567 - 577
DOI: 10.1051/apido:2000147

Apidologie 31 (2000) 567-577

Detection of chronic honey bee (Apis mellifera L.) paralysis virus infection: application to a field survey

Magali Ribière - Jean-Paul Faucon, Michel Pépin

AFSSA Sophia Antipolis, Unité Abeille, BP 111, 06902 Sophia Antipolis, France

(Received 28 March 2000; revised 27 April 2000; accepted 19 June 2000)


Chronic paralysis of honey bees is a viral disease caused by chronic paralysis virus (CPV). As its clinical signs are similar to those observed in intoxications or during intense work, it requires sensitive and specific diagnostic tests to identify the infection in colonies. In this report, a rabbit polyclonal antiserum against CPV was obtained after purification of the virus in a Renografin gradient. The viral polypeptide composition was analysed by SDS-PAGE and Western blotting. Four viral-associated polypeptides of molecular weights 75 kDa, 50 kDa, 30 kDa and 20 kDa were identified. Western blotting and an agar gel immunodiffusion test were used for the diagnosis of CPV during a field survey of the prevalence of CPV infection. The two tests demonstrated the presence of the virus in several colonies in the south-east of France.

Keywords: chronic paralysis virus (CPV) / polypeptide composition / diagnosis / epidemiology

Correspondence and reprints: Magali Ribière

Copyright INRA/DIB/AGIB/EDP Sciences

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