First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh

Chicken astrovirus (CAstV) and avian nephritis virus (ANV) are enteric viruses of poultry and have infected a wide range of poultry species worldwide, causing runting-stunting syndrome (RSS), which requires virus screening and results in serious economic damage. No confirmed cases have been reported...

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Autores principales:	Md Zulfekar Ali, Mohammad Moktader Moula, Zafar Ahmed Bhuiyan, Md Giasuddin, Hyun-Jin Shin
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	avian nephritis virus CAstV chicken astrovirus ANV poultry Bangladesh Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/7a9f21d19130439e953904ddac5c7f14
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spelling	oai:doaj.org-article:7a9f21d19130439e953904ddac5c7f142021-12-02T00:37:20ZFirst Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh2297-176910.3389/fvets.2021.769489https://doaj.org/article/7a9f21d19130439e953904ddac5c7f142021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fvets.2021.769489/fullhttps://doaj.org/toc/2297-1769Chicken astrovirus (CAstV) and avian nephritis virus (ANV) are enteric viruses of poultry and have infected a wide range of poultry species worldwide, causing runting-stunting syndrome (RSS), which requires virus screening and results in serious economic damage. No confirmed cases have been reported from Bangladesh. In the present study, CAstV and ANV were monitored in Bangladesh. We monitored samples for CAstV and ANV and compared their genomic sequences to other reference strains. We found 8/31 flocks (25.8%) were positive for CAstV, 6/31 flocks (19.3%) had mixed infection of CAstV and ANV, and 1 flock (3.2%) was positive for ANV. Only ANV and a combination of CAstV and ANV were found in broilers and broiler breeders, but CAstV was found in all types of chickens. We isolated two of each from CAstV and ANV through specific pathogen-free chicken embryonated eggs via the yolk sac route. Phylogenetic analysis based on the ORF1b conserved region of CAstV and ANV suggested that the locally circulating strain was closely related to the strains isolated from India and Brazil. This report is the first molecular characterization of CAstV and ANV in Bangladesh. This study highlights that CAstV and ANV are circulating in Bangladeshi poultry.Md Zulfekar AliMohammad Moktader MoulaZafar Ahmed BhuiyanMd GiasuddinHyun-Jin ShinHyun-Jin ShinFrontiers Media S.A.articleavian nephritis virusCAstVchicken astrovirusANVpoultryBangladeshVeterinary medicineSF600-1100ENFrontiers in Veterinary Science, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	avian nephritis virus CAstV chicken astrovirus ANV poultry Bangladesh Veterinary medicine SF600-1100
spellingShingle	avian nephritis virus CAstV chicken astrovirus ANV poultry Bangladesh Veterinary medicine SF600-1100 Md Zulfekar Ali Mohammad Moktader Moula Zafar Ahmed Bhuiyan Md Giasuddin Hyun-Jin Shin Hyun-Jin Shin First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
description	Chicken astrovirus (CAstV) and avian nephritis virus (ANV) are enteric viruses of poultry and have infected a wide range of poultry species worldwide, causing runting-stunting syndrome (RSS), which requires virus screening and results in serious economic damage. No confirmed cases have been reported from Bangladesh. In the present study, CAstV and ANV were monitored in Bangladesh. We monitored samples for CAstV and ANV and compared their genomic sequences to other reference strains. We found 8/31 flocks (25.8%) were positive for CAstV, 6/31 flocks (19.3%) had mixed infection of CAstV and ANV, and 1 flock (3.2%) was positive for ANV. Only ANV and a combination of CAstV and ANV were found in broilers and broiler breeders, but CAstV was found in all types of chickens. We isolated two of each from CAstV and ANV through specific pathogen-free chicken embryonated eggs via the yolk sac route. Phylogenetic analysis based on the ORF1b conserved region of CAstV and ANV suggested that the locally circulating strain was closely related to the strains isolated from India and Brazil. This report is the first molecular characterization of CAstV and ANV in Bangladesh. This study highlights that CAstV and ANV are circulating in Bangladeshi poultry.
format	article
author	Md Zulfekar Ali Mohammad Moktader Moula Zafar Ahmed Bhuiyan Md Giasuddin Hyun-Jin Shin Hyun-Jin Shin
author_facet	Md Zulfekar Ali Mohammad Moktader Moula Zafar Ahmed Bhuiyan Md Giasuddin Hyun-Jin Shin Hyun-Jin Shin
author_sort	Md Zulfekar Ali
title	First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
title_short	First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
title_full	First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
title_fullStr	First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
title_full_unstemmed	First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh
title_sort	first isolation and molecular characterization of chicken astrovirus and avian nephritis virus in chickens in bangladesh
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/7a9f21d19130439e953904ddac5c7f14
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First Isolation and Molecular Characterization of Chicken Astrovirus and Avian Nephritis Virus in Chickens in Bangladesh

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