Henipavirus neutralising antibodies in an isolated island population of African fruit bats

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dc.citation.issue1
dc.citation.volume7
dc.contributor.authorPeel AJ
dc.contributor.authorBaker KS
dc.contributor.authorCrameri G
dc.contributor.authorBarr JA
dc.contributor.authorHayman DTS
dc.contributor.authorWright E
dc.contributor.authorBroder CC
dc.contributor.authorFernández-Loras A
dc.contributor.authorFooks AR
dc.contributor.authorWang L-F
dc.contributor.authorCunningham AA
dc.contributor.authorWood JLN
dc.date.available2012-01-12
dc.date.available2011-12-14
dc.date.issued2012
dc.description.abstractIsolated islands provide valuable opportunities to study the persistence of viruses in wildlife populations, including population size thresholds such as the critical community size. The straw-coloured fruit bat, Eidolon helvum, has been identified as a reservoir for henipaviruses (serological evidence) and Lagos bat virus (LBV; virus isolation and serological evidence) in continental Africa. Here, we sampled from a remote population of E. helvum annobonensis fruit bats on Annobón island in the Gulf of Guinea to investigate whether antibodies to these viruses also exist in this isolated subspecies. Henipavirus serological analyses (Luminex multiplexed binding and inhibition assays, virus neutralisation tests and western blots) and lyssavirus serological analyses (LBV: modified Fluorescent Antibody Virus Neutralisation test, LBV and Mokola virus: lentivirus pseudovirus neutralisation assay) were undertaken on 73 and 70 samples respectively. Given the isolation of fruit bats on Annobón and their lack of connectivity with other populations, it was expected that the population size on the island would be too small to allow persistence of viruses that are thought to cause acute and immunising infections. However, the presence of antibodies against henipaviruses was detected using the Luminex binding assay and confirmed using alternative assays. Neutralising antibodies to LBV were detected in one bat using both assays. We demonstrate clear evidence for exposure of multiple individuals to henipaviruses in this remote population of E. helvum annobonensis fruit bats on Annobón island. The situation is less clear for LBV. Seroprevalences to henipaviruses and LBV in Annobón are notably different to those in E. helvum in continental locations studied using the same sampling techniques and assays. Whilst cross-sectional serological studies in wildlife populations cannot provide details on viral dynamics within populations, valuable information on the presence or absence of viruses may be obtained and utilised for informing future studie
dc.description.publication-statusPublished
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000301357100050&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifierARTN e30346
dc.identifier.citationPLOS ONE, 2012, 7 (1)
dc.identifier.doi10.1371/journal.pone.0030346
dc.identifier.elements-id220104
dc.identifier.harvestedMassey_Dark
dc.identifier.issn1932-6203
dc.publisherPublic Library of Science
dc.relation.isPartOfPLOS ONE
dc.titleHenipavirus neutralising antibodies in an isolated island population of African fruit bats
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Veterinary Science
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