Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts
International audience Ostreid herpesvirus 1 (OsHV-1) is a significant pathogen affecting the young Pacific oyster Crassostrea gigas, worldwide. A new variant, OsHV-1 μVar, has been associated with recurrent mortality events in Europe since 2008. Epidemiological data collection is key for global ris...
Published in: | Journal of Invertebrate Pathology |
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Online Access: | https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 https://doi.org/10.1016/j.jip.2016.05.004 |
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ftunivnantes:oai:HAL:hal-03402096v1 2023-05-15T15:57:44+02:00 Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts Burioli, Erika A.V. Prearo, M. Riina, M.V. Bona, M.C. Fioravanti, M.L. Arcangeli, G. Houssin, Maryline Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Torino, Italy Alma Mater Studiorum Università di Bologna Bologna (UNIBO) Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe) LABÉO, Pôle d’analyses et de recherche de Normandie (LABÉO) 2016-06 https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 https://doi.org/10.1016/j.jip.2016.05.004 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jip.2016.05.004 hal-03402096 https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 doi:10.1016/j.jip.2016.05.004 ISSN: 0022-2011 EISSN: 0022-2011 Journal of Invertebrate Pathology https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 Journal of Invertebrate Pathology, 2016, 137, pp.71-83. ⟨10.1016/j.jip.2016.05.004⟩ Bivalves Crassostrea gigas Ostreid herpesvirus-1 Variants Wild population [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2016 ftunivnantes https://doi.org/10.1016/j.jip.2016.05.004 2022-10-04T23:32:34Z International audience Ostreid herpesvirus 1 (OsHV-1) is a significant pathogen affecting the young Pacific oyster Crassostrea gigas, worldwide. A new variant, OsHV-1 μVar, has been associated with recurrent mortality events in Europe since 2008. Epidemiological data collection is key for global risk assessment; however little is known about health status and genotypes present in European wild oyster beds. Most studies to date have involved only cultivated individuals during mortality events, and reported low genotype diversity. With this study, conducted along the Italian coasts, we investigated for the first time the presence of OsHV-1 in European natural oyster beds. Analysis of three genomic regions revealed the presence of at least nine different genotypes, including two variants close to the OsHV-1 reference, known since the early 1990s but with no European record reported since 2010, and highlights relevant genotype diversity in natural environment. Phylogenetic analysis distinguished two distinct clusters and geographical distribution of genotypes, with the exception of a variant very closely related to the μVar, which appeared the single genotype present in all the Adriatic sites. Interestingly, these wild symptom free populations could represent, in Europe, an accessible alternative to the import of OsHV-1-resistant oyster strains from the East Pacific, the native area of C. gigas, avoiding the high-risk of non-native marine species and new pathogen introductions. Article in Journal/Newspaper Crassostrea gigas Pacific oyster Université de Nantes: HAL-UNIV-NANTES Pacific Journal of Invertebrate Pathology 137 71 83 |
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Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
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ftunivnantes |
language |
English |
topic |
Bivalves Crassostrea gigas Ostreid herpesvirus-1 Variants Wild population [SDV]Life Sciences [q-bio] |
spellingShingle |
Bivalves Crassostrea gigas Ostreid herpesvirus-1 Variants Wild population [SDV]Life Sciences [q-bio] Burioli, Erika A.V. Prearo, M. Riina, M.V. Bona, M.C. Fioravanti, M.L. Arcangeli, G. Houssin, Maryline Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
topic_facet |
Bivalves Crassostrea gigas Ostreid herpesvirus-1 Variants Wild population [SDV]Life Sciences [q-bio] |
description |
International audience Ostreid herpesvirus 1 (OsHV-1) is a significant pathogen affecting the young Pacific oyster Crassostrea gigas, worldwide. A new variant, OsHV-1 μVar, has been associated with recurrent mortality events in Europe since 2008. Epidemiological data collection is key for global risk assessment; however little is known about health status and genotypes present in European wild oyster beds. Most studies to date have involved only cultivated individuals during mortality events, and reported low genotype diversity. With this study, conducted along the Italian coasts, we investigated for the first time the presence of OsHV-1 in European natural oyster beds. Analysis of three genomic regions revealed the presence of at least nine different genotypes, including two variants close to the OsHV-1 reference, known since the early 1990s but with no European record reported since 2010, and highlights relevant genotype diversity in natural environment. Phylogenetic analysis distinguished two distinct clusters and geographical distribution of genotypes, with the exception of a variant very closely related to the μVar, which appeared the single genotype present in all the Adriatic sites. Interestingly, these wild symptom free populations could represent, in Europe, an accessible alternative to the import of OsHV-1-resistant oyster strains from the East Pacific, the native area of C. gigas, avoiding the high-risk of non-native marine species and new pathogen introductions. |
author2 |
Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Torino, Italy Alma Mater Studiorum Università di Bologna Bologna (UNIBO) Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe) LABÉO, Pôle d’analyses et de recherche de Normandie (LABÉO) |
format |
Article in Journal/Newspaper |
author |
Burioli, Erika A.V. Prearo, M. Riina, M.V. Bona, M.C. Fioravanti, M.L. Arcangeli, G. Houssin, Maryline |
author_facet |
Burioli, Erika A.V. Prearo, M. Riina, M.V. Bona, M.C. Fioravanti, M.L. Arcangeli, G. Houssin, Maryline |
author_sort |
Burioli, Erika A.V. |
title |
Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
title_short |
Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
title_full |
Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
title_fullStr |
Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
title_full_unstemmed |
Ostreid herpesvirus type 1 genomic diversity in wild populations of Pacific oyster Crassostrea gigas from Italian coasts |
title_sort |
ostreid herpesvirus type 1 genomic diversity in wild populations of pacific oyster crassostrea gigas from italian coasts |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 https://doi.org/10.1016/j.jip.2016.05.004 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Crassostrea gigas Pacific oyster |
genre_facet |
Crassostrea gigas Pacific oyster |
op_source |
ISSN: 0022-2011 EISSN: 0022-2011 Journal of Invertebrate Pathology https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 Journal of Invertebrate Pathology, 2016, 137, pp.71-83. ⟨10.1016/j.jip.2016.05.004⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jip.2016.05.004 hal-03402096 https://hal-normandie-univ.archives-ouvertes.fr/hal-03402096 doi:10.1016/j.jip.2016.05.004 |
op_doi |
https://doi.org/10.1016/j.jip.2016.05.004 |
container_title |
Journal of Invertebrate Pathology |
container_volume |
137 |
container_start_page |
71 |
op_container_end_page |
83 |
_version_ |
1766393426361712640 |