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Pathology and parasitology

Thai sacbrood and sacbrood viruses versus European foulbrood of hive bees in India – a review

Revisión de los virus de la cría yesificada y de la cría yesificada tailandeses versus la loque europea de las colonias de abejas en India

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Pages 192-199 | Received 14 Jun 2013, Accepted 21 Oct 2014, Published online: 11 Mar 2016
 

Abstract

Thai sacbrood virus (TSBV) disease has killed 95% of Apis cerana colonies in India, while sacbrood virus (SBV) disease has affected only 15% of Apis mellifera colonies. The symptoms are sometimes confused with those of the bacterial disease European foulbrood (EFB) in A. cerana. TSBV and SBV are species specific, but closely related strains. Both are isometric in shape, 30 nm in diameter, and are unstable. They have good antigenecity (1:200 titer). Sequencing TSBV and SBV genomes yields fragments of 773 and 822 nucleotide lengths, respectively. The respective sequences have been submitted to NCBI, USA GenBank database under accession numbers EU 156753 and 232663. Phylogenetically, TSBV forms a different group from SBV. In spite of these studies, confusion regarding to the identification of TSBV still prevails in the southern part of India.

La enfermedad del virus de la cría yesificada tailandés (TSBV por sus siglas en inglés) ha matado el 95% de las colonias de Apis cerana en la India, mientras que la enfermedad del virus de la cría yesificada (SBV) ha afectado sólo el 15% de las colonias de Apis mellifera. Los síntomas se confunden a veces con los de la enfermedad bacteriana loque europea (EFB) en A. cerana. TSBV y SBV son específicos al nivel de especie, pero también cepas estrechamente relacionadas. Ambos son isométricos en su forma, 30 nm de diámetro y son inestables. Tienen buena antigenicidad (1: 200 titre). La secuenciación de los genomas de TSBV y SBV originó fragmentos de 773 y 822 nucleótidos de longitud, respectivamente. Las respectivas secuencias se han remitido a la base de datos GenBank de EE.UU (NCBI) con los códigos de acceso EU 156753 y 232663. Filogenéticamente, SBV forma un grupo diferente de SBV. A pesar de estos estudios, todavía existe confusión con respecto a la identificación de TSBV en la parte sur de la India.

Acknowledgments

The authors are grateful to the Indian Council of Agricultural Research, New Delhi through Project Coordinator, All India Coordinated Research Project on Honey Bees and Pollinators, for encouraging us to compile such studies and providing financial assistance.

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