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Interactions between prevalent pathogens of honeybees (Apis mellifera)

2022Conference object Open access
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datacite.subject.fosCiências Agrárias::Biotecnologia Agrária e Alimentar
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorJabal-Uriel, Clara
dc.contributor.authorBonjour-Dalmon, Anne
dc.contributor.authorChejanovsky, Nor
dc.contributor.authorHiges, Mariano
dc.contributor.authorLe Conte, Yves
dc.contributor.authorLopes, Ana
dc.contributor.authorPinto, Maria Alice
dc.contributor.authorReyes-Carreño, Maritza
dc.contributor.authorSoroker, Victoria
dc.contributor.authorMartín-Hernández, Raquel
dc.date.accessioned2025-07-09T15:30:39Z
dc.date.available2025-07-09T15:30:39Z
dc.date.issued2022
dc.description.abstractThe aim of the BEEHEAL project was to determine the phenology and interactions of the microsporidia Nosema ceranae and 5 highly prevalent and pathogenic honeybee viruses (DWV, BQCV, ABPV, IAPV and CBPV) in four Mediterranean countries: France, Israel, Portugal and Spain. The prevalence and phenology of these pathogens was monitored in four continental apiaries (one in each country) and three insular apiaries located on Ouessant Island (France) and on São Miguel and Santa Maria Islands (Portugal). Colonies were sampled during a 2-year study period, and honeybees were collected and analysed once every two months. Microsporidia detection was performed by conventional triplexPCR whereas viral loads were determined by RT-qPCR of the positive samples. Israel had the highest percentage of honeybees infected by Ǥ ” , followed by Spain, continental Portugal, and Ouessant, whereas the levels were the lowest in France mainland and it was not detected on the Portuguese Islands. The countries with the higher prevalence of viruses were France and Israel whereas the apiaries in Portugal and Spain had a lower percentage of colonies and individual honeybees infected by viruses. Moreover, CBPV was not detected in the latter countries. The viral load of colonies and honeybees coinfected with twoor more viruseswas positively correlated. Data analysedfrom all apiariestogether showed a negative correlation between the percentage of infected N. ceranae honeybees and the viral load. However, there was no correlation at the apiary level between N. ceranae and the viral load when analysed separately. Cross-tabulations showed a correlation in coinfection between N. ceranae with any of the three viruses: BQCV, IAPV and CBPV. In fact, honeybees coinfected by the microsporidia and one of these viruses had a higher viral load than honeybees infected only with the virus. This study showed that pathogen interactions differs greatly among countries and serves as a starting point for the development of epidemiological studies to unravel pathogen coinfections.por
dc.identifier.citationJabal-Uriel, Clara; Bonjour-Dalmon, Anne; Chejanovsky, Nor; Higes, Mariano; Le Conte, Yves; Lopes, Ana; Pinto, Maria Alice; Reyes-Carreño, Maritza; Soroker, Victoria; Martín-Hernández, Raquel (2022). Interactions between prevalent pathogens of honeybees (Apis mellifera). In EURBEE 2022: 9th European Conference of Apidology. Belgrado
dc.identifier.urihttp://hdl.handle.net/10198/34656
dc.language.isoeng
dc.peerreviewedno
dc.publisherEurBee
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectViral load
dc.subjectMicrosporidia
dc.subjectCoinfection
dc.titleInteractions between prevalent pathogens of honeybees (Apis mellifera)eng
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferenceDate2025-09
oaire.citation.conferencePlaceBelgrado
oaire.citation.endPage133
oaire.citation.startPage132
oaire.citation.titleEURBEE 2022: 9th European Conference of Apidology
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameLopes
person.familyNamePinto
person.givenNameAna
person.givenNameMaria Alice
person.identifier.ciencia-idF014-6835-054D
person.identifier.ciencia-idF814-A1D0-8318
person.identifier.orcid0000-0002-1888-2262
person.identifier.orcid0000-0001-9663-8399
person.identifier.scopus-author-id8085507800
relation.isAuthorOfPublication5c8dc714-e63c-4ac6-882e-92deafa4bbe8
relation.isAuthorOfPublication0667fe04-7078-483d-9198-56d167b19bc5
relation.isAuthorOfPublication.latestForDiscovery5c8dc714-e63c-4ac6-882e-92deafa4bbe8

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