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Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh
Highly pathogenic avian influenza H5N1 viruses were first isolated in Bangladesh in February 2007. Subsequently, clades 2.2.2, 2.3.4.2 and 2.3.2.1a were identified in Bangladesh, and our previous surveillance data revealed that by the end of 2014, the circulating viruses exclusively comprised clade...
Autores principales: | , , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5583668/ https://www.ncbi.nlm.nih.gov/pubmed/28790460 http://dx.doi.org/10.1038/emi.2017.60 |
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author | Barman, Subrata Marinova-Petkova, Atanaska Hasan, M Kamrul Akhtar, Sharmin El-Shesheny, Rabeh Turner, Jasmine CM Franks, John Walker, David Seiler, Jon Friedman, Kimberly Kercher, Lisa Jeevan, Trushar Darnell, Daniel Kayali, Ghazi Jones-Engel, Lisa McKenzie, Pamela Krauss, Scott Webby, Richard J Webster, Robert G Feeroz, Mohammed M |
author_facet | Barman, Subrata Marinova-Petkova, Atanaska Hasan, M Kamrul Akhtar, Sharmin El-Shesheny, Rabeh Turner, Jasmine CM Franks, John Walker, David Seiler, Jon Friedman, Kimberly Kercher, Lisa Jeevan, Trushar Darnell, Daniel Kayali, Ghazi Jones-Engel, Lisa McKenzie, Pamela Krauss, Scott Webby, Richard J Webster, Robert G Feeroz, Mohammed M |
author_sort | Barman, Subrata |
collection | PubMed |
description | Highly pathogenic avian influenza H5N1 viruses were first isolated in Bangladesh in February 2007. Subsequently, clades 2.2.2, 2.3.4.2 and 2.3.2.1a were identified in Bangladesh, and our previous surveillance data revealed that by the end of 2014, the circulating viruses exclusively comprised clade 2.3.2.1a. We recently determined the status of circulating avian influenza viruses in Bangladesh by conducting surveillance of live poultry markets and waterfowl in wetland areas from February 2015 through February 2016. Until April 2015, clade 2.3.2.1a persisted without any change in genotype. However, in June 2015, we identified a new genotype of H5N1 viruses, clade 2.3.2.1a, which quickly became predominant. These newly emerged H5N1 viruses contained the hemagglutinin, neuraminidase and matrix genes of circulating 2.3.2.1a Bangladeshi H5N1 viruses and five other genes of low pathogenic Eurasian-lineage avian influenza A viruses. Some of these internal genes were closely related to those of low pathogenic viruses isolated from ducks in free-range farms and wild birds in a wetland region of northeastern Bangladesh, where commercially raised domestic ducks have frequent contact with migratory birds. These findings indicate that migratory birds of the Central Asian flyway and domestic ducks in the free-range farms in Tanguar haor-like wetlands played an important role in the emergence of this novel genotype of highly pathogenic H5N1 viruses. |
format | Online Article Text |
id | pubmed-5583668 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Nature Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-55836682017-09-07 Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh Barman, Subrata Marinova-Petkova, Atanaska Hasan, M Kamrul Akhtar, Sharmin El-Shesheny, Rabeh Turner, Jasmine CM Franks, John Walker, David Seiler, Jon Friedman, Kimberly Kercher, Lisa Jeevan, Trushar Darnell, Daniel Kayali, Ghazi Jones-Engel, Lisa McKenzie, Pamela Krauss, Scott Webby, Richard J Webster, Robert G Feeroz, Mohammed M Emerg Microbes Infect Original Article Highly pathogenic avian influenza H5N1 viruses were first isolated in Bangladesh in February 2007. Subsequently, clades 2.2.2, 2.3.4.2 and 2.3.2.1a were identified in Bangladesh, and our previous surveillance data revealed that by the end of 2014, the circulating viruses exclusively comprised clade 2.3.2.1a. We recently determined the status of circulating avian influenza viruses in Bangladesh by conducting surveillance of live poultry markets and waterfowl in wetland areas from February 2015 through February 2016. Until April 2015, clade 2.3.2.1a persisted without any change in genotype. However, in June 2015, we identified a new genotype of H5N1 viruses, clade 2.3.2.1a, which quickly became predominant. These newly emerged H5N1 viruses contained the hemagglutinin, neuraminidase and matrix genes of circulating 2.3.2.1a Bangladeshi H5N1 viruses and five other genes of low pathogenic Eurasian-lineage avian influenza A viruses. Some of these internal genes were closely related to those of low pathogenic viruses isolated from ducks in free-range farms and wild birds in a wetland region of northeastern Bangladesh, where commercially raised domestic ducks have frequent contact with migratory birds. These findings indicate that migratory birds of the Central Asian flyway and domestic ducks in the free-range farms in Tanguar haor-like wetlands played an important role in the emergence of this novel genotype of highly pathogenic H5N1 viruses. Nature Publishing Group 2017-08 2017-08-09 /pmc/articles/PMC5583668/ /pubmed/28790460 http://dx.doi.org/10.1038/emi.2017.60 Text en Copyright © 2017 The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
spellingShingle | Original Article Barman, Subrata Marinova-Petkova, Atanaska Hasan, M Kamrul Akhtar, Sharmin El-Shesheny, Rabeh Turner, Jasmine CM Franks, John Walker, David Seiler, Jon Friedman, Kimberly Kercher, Lisa Jeevan, Trushar Darnell, Daniel Kayali, Ghazi Jones-Engel, Lisa McKenzie, Pamela Krauss, Scott Webby, Richard J Webster, Robert G Feeroz, Mohammed M Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title | Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title_full | Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title_fullStr | Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title_full_unstemmed | Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title_short | Role of domestic ducks in the emergence of a new genotype of highly pathogenic H5N1 avian influenza A viruses in Bangladesh |
title_sort | role of domestic ducks in the emergence of a new genotype of highly pathogenic h5n1 avian influenza a viruses in bangladesh |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5583668/ https://www.ncbi.nlm.nih.gov/pubmed/28790460 http://dx.doi.org/10.1038/emi.2017.60 |
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