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Le HD, Thai TN, Kim JK, Song HS, Her M, Tran XT, Kim JY, Kim HR. An Amplicon-Based Application for the Whole-Genome Sequencing of GI-19 Lineage Infectious Bronchitis Virus Directly from Clinical Samples. Viruses 2024; 16:515. [PMID: 38675858 PMCID: PMC11054852 DOI: 10.3390/v16040515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/15/2024] [Accepted: 03/23/2024] [Indexed: 04/28/2024] Open
Abstract
Infectious bronchitis virus (IBV) causes a highly contagious respiratory disease in chickens, leading to significant economic losses in the poultry industry worldwide. IBV exhibits a high mutation rate, resulting in the continuous emergence of new variants and strains. A complete genome analysis of IBV is crucial for understanding its characteristics. However, it is challenging to obtain whole-genome sequences from IBV-infected clinical samples due to the low abundance of IBV relative to the host genome. Here, we present a novel approach employing next-generation sequencing (NGS) to directly sequence the complete genome of IBV. Through in silico analysis, six primer pairs were designed to match various genotypes, including the GI-19 lineage of IBV. The primer sets successfully amplified six overlapping fragments by long-range PCR and the size of the amplicons ranged from 3.7 to 6.4 kb, resulting in full coverage of the IBV genome. Furthermore, utilizing Illumina sequencing, we obtained the complete genome sequences of two strains belonging to the GI-19 lineage (QX genotype) from clinical samples, with 100% coverage rates, over 1000 × mean depth coverage, and a high percentage of mapped reads to the reference genomes (96.63% and 97.66%). The reported method significantly improves the whole-genome sequencing of IBVs from clinical samples; thus, it can improve understanding of the epidemiology and evolution of IBVs.
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Affiliation(s)
- Hoang Duc Le
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
- Institute of Biotechnology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi 11300, Vietnam;
| | - Tuyet Ngan Thai
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
| | - Jae-Kyeom Kim
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
| | - Hye-Soon Song
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
| | - Moon Her
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
| | - Xuan Thach Tran
- Institute of Biotechnology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi 11300, Vietnam;
| | - Ji-Ye Kim
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
| | - Hye-Ryoung Kim
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongsangbuk-do, Republic of Korea; (H.D.L.); (T.N.T.); (J.-K.K.); (H.-S.S.); (M.H.)
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Kim DW, Kim JY, Lee DW, Lee HC, Song CS, Lee DH, Kwon JH. Detection of multiple recombinations of avian coronavirus in South Korea by whole-genome analysis. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 118:105565. [PMID: 38309607 DOI: 10.1016/j.meegid.2024.105565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/05/2024]
Abstract
Infectious bronchitis virus (IBV), an avian coronavirus, has caused considerable damage to the poultry industry. In Korea, indigenous KM91-like and newly introduced QX-like lineages belonging to the GI-19 lineage have been prevalent despite constant vaccination. In this study, complete genome sequences of 23 IBV isolates in Korea from 2010 to 2020 were obtained using next-generation sequencing, and their phylogenetic relationship and recombination events were analyzed. Phylogenetic analysis based on the S1 gene showed that all isolates belonged to the GI-19 lineage and were divided into five subgroups (KM91-like, K40/09-like, and QX-like II to IV). Among the 23 isolates, 14 recombinants were found, including frequent recombination between KM91-like and QX-like strains. In addition, it was observed that other lineages, such as GI-1, GI-13, and GI-16, were involved in recombination. Most recombination breakpoints were detected in the ORF1ab gene, particularly nsp3. However, when considering the size of each genome, recombination occurred more frequently in the 3a, E and 5a genes. Taken together, genetic recombination frequently occurred throughout the entire genome between various IBV strains in Korea, including live attenuated vaccine strain. Our study suggests the necessity of further research on the contribution of recombination of genomes outside the spike region to the biological characteristics of IBV.
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Affiliation(s)
- Da-Won Kim
- College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Ji-Yun Kim
- College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Dong-Wook Lee
- College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Hyuk-Chae Lee
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Chang-Seon Song
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Dong-Hun Lee
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Jung-Hoon Kwon
- College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
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Rafique S, Jabeen Z, Pervaiz T, Rashid F, Luo S, Xie L, Xie Z. Avian infectious bronchitis virus (AIBV) review by continent. Front Cell Infect Microbiol 2024; 14:1325346. [PMID: 38375362 PMCID: PMC10875066 DOI: 10.3389/fcimb.2024.1325346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 01/15/2024] [Indexed: 02/21/2024] Open
Abstract
Infectious bronchitis virus (IBV) is a positive-sense, single-stranded, enveloped RNA virus responsible for substantial economic losses to the poultry industry worldwide by causing a highly contagious respiratory disease. The virus can spread quickly through contact, contaminated equipment, aerosols, and personal-to-person contact. We highlight the prevalence and geographic distribution of all nine genotypes, as well as the relevant symptoms and economic impact, by extensively analyzing the current literature. Moreover, phylogenetic analysis was performed using Molecular Evolutionary Genetics Analysis (MEGA-6), which provided insights into the global molecular diversity and evolution of IBV strains. This review highlights that IBV genotype I (GI) is prevalent worldwide because sporadic cases have been found on many continents. Conversely, GII was identified as a European strain that subsequently dispersed throughout Europe and South America. GIII and GV are predominant in Australia, with very few reports from Asia. GIV, GVIII, and GIX originate from North America. GIV was found to circulate in Asia, and GVII was identified in Europe and China. Geographically, the GVI-1 lineage is thought to be restricted to Asia. This review highlights that IBV still often arises in commercial chicken flocks despite immunization and biosecurity measures because of the ongoing introduction of novel IBV variants and inadequate cross-protection provided by the presently available vaccines. Consequently, IB consistently jeopardizes the ability of the poultry industry to grow and prosper. Identifying these domains will aid in discerning the pathogenicity and prevalence of IBV genotypes, potentially enhancing disease prevention and management tactics.
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Affiliation(s)
- Saba Rafique
- SB Diagnostic Laboratory, Sadiq Poultry Pvt. Ltd., Rawalpindi, Pakistan
| | - Zohra Jabeen
- SB Diagnostic Laboratory, Sadiq Poultry Pvt. Ltd., Rawalpindi, Pakistan
| | - Treeza Pervaiz
- SB Diagnostic Laboratory, Sadiq Poultry Pvt. Ltd., Rawalpindi, Pakistan
| | - Farooq Rashid
- Department of Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Guangxi Key Laboratory of Veterinary Biotechnology, Nanning, China
- Key Laboratory of China (Guangxi)-ASEAN Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Sisi Luo
- Department of Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Guangxi Key Laboratory of Veterinary Biotechnology, Nanning, China
- Key Laboratory of China (Guangxi)-ASEAN Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Liji Xie
- Department of Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Guangxi Key Laboratory of Veterinary Biotechnology, Nanning, China
- Key Laboratory of China (Guangxi)-ASEAN Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Zhixun Xie
- Department of Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Guangxi Key Laboratory of Veterinary Biotechnology, Nanning, China
- Key Laboratory of China (Guangxi)-ASEAN Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
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Chacón JL, Chacón RD, Sánchez-Llatas CJ, Morín JG, Astolfi-Ferreira CS, Piantino Ferreira AJ. Antigenic and molecular characterization of isolates of the Brazilian genotype BR-I (GI-11) of infectious bronchitis virus supports its recognition as BR-I serotype. Avian Pathol 2023; 52:323-338. [PMID: 37477586 DOI: 10.1080/03079457.2023.2228725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023]
Abstract
The antigenic and molecular characteristics of BR-I infectious bronchitis viruses (IBVs) isolated from Brazil are reported. IBVs isolated from commercial flocks with different clinical manifestations between 2003 and 2019 were submitted to antigenic and molecular characterization. The complete S1 glycoprotein gene of 11 field isolates was amplified and sequenced. The virus neutralization (VN) test showed 94.75% neutralization with a BR-I isolate and 30% or less against other worldwide reference strains. The nucleotide and amino acid sequence analyses revealed 84.3-100% and 83.5-100% identity among them, respectively. The identity values ranged from 57.1 to 82.6% for nucleotides and from 46.6-84.4% for amino acids compared with those of other genotypes. By phylogenetic tree analysis, the Brazilian isolates were branched into the BR-I genotype (lineage GI-11), which was differentiated from foreign reference strains. Selective pressure analyses of BR-I IBVs revealed evolution under purifying selection (negative pressure) for the complete S1 gene but four specific sites (87, 121, 279, and 542) under diversifying selection (positive pressure). Profiles of cleavage sites and potential N-glycosylation sites differed from those of other genotypes. The low molecular relationship among the Brazilian viruses and foreign serotypes was concordant with the VN test results. The low antigenic relatedness (ranging from 5.3-30% between Brazilian genotype BR-I and reference IBV serotypes of North America, Europe, and Asia) indicates that the BR-I genotype is a different serotype, referred to for the first time and hereafter as serotype BR-I. RESEARCH HIGHLIGHTSStrains of the BR-I genotype presented robust antigenic and molecular similarity.BR-I strains evolved under purifying selection mode (negative pressure).The BR-I genotype originated in Brazil and dispersed to other countries.BR-I genotype viruses can be referred to as the BR-I serotype.
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Affiliation(s)
- Jorge L Chacón
- Laboratory of Avian Diseases, Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo, Brazil
| | - Ruy D Chacón
- Laboratory of Avian Diseases, Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo, Brazil
| | - Christian J Sánchez-Llatas
- Faculty of Biology, Department of Genetics, Physiology, and Microbiology, Complutense University of Madrid, Madrid, Spain
| | - Jaime G Morín
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway
| | - Claudete S Astolfi-Ferreira
- Laboratory of Avian Diseases, Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo, Brazil
| | - Antonio J Piantino Ferreira
- Laboratory of Avian Diseases, Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo, Brazil
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Li H, Liu G, Zhou Q, Yang H, Zhou C, Kong W, Su J, Li G, Si H, Ou C. Which strain of the avian coronavirus vaccine will become the prevalent one in China next? Front Vet Sci 2023; 10:1139089. [PMID: 37215473 PMCID: PMC10196085 DOI: 10.3389/fvets.2023.1139089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/19/2023] [Indexed: 05/24/2023] Open
Abstract
Infectious bronchitis virus (IBV) is a vital pathogen in poultry farms, which can induce respiratory, nephropathogenic, oviduct, proventriculus, and intestinal diseases. Based on the phylogenetic classification of the full-length S1 gene, IBV isolates have been categorized into nine genotypes comprising 38 lineages. GI (GI-1, GI-2, GI-3, GI-4, GI-5, GI-6, GI-7, GI-13, GI-16, GI-18, GI-19, GI-22, GI-28, and GI-29), GVI-1 and GVII-1 have been reported in China in the past 60 years. In this review, a brief history of IBV in China is described, and the current epidemic strains and licensed IBV vaccine strains, as well as IBV prevention and control strategies, are highlighted. In addition, this article presents unique viewpoints and recommendations for a more effective management of IBV. The recombinant Newcastle Disease virus (NDV) vector vaccine expressed S gene of IBV QX-like and 4/91 strains may be the dominant vaccine strains against NDV and IBV.
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Affiliation(s)
- Haizhu Li
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Gengsong Liu
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Qiaoyan Zhou
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Hongchun Yang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Congcong Zhou
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Weili Kong
- Gladstone Institute of Virology, University of California, San Francisco, San Francisco, CA, United States
| | - Jieyu Su
- College of Animal Science and Technology, Guangxi University, Nanning, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China
- Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
| | - Gonghe Li
- College of Animal Science and Technology, Guangxi University, Nanning, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China
- Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
| | - Hongbin Si
- College of Animal Science and Technology, Guangxi University, Nanning, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China
- Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
| | - Changbo Ou
- College of Animal Science and Technology, Guangxi University, Nanning, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China
- Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
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Jang I, Thai TN, Lee JI, Kwon YK, Kim HR. Nationwide Surveillance for Infectious Bronchitis Virus in South Korea from 2020 to 2021. Avian Dis 2022; 66:135-140. [PMID: 35510473 DOI: 10.1637/aviandiseases-d-21-00118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 02/15/2022] [Indexed: 11/05/2022]
Abstract
Infectious bronchitis virus (IBV) is a major pathogen in poultry. The genotypes of IBV vary considerably, and their antigenicity may differ. Nationwide surveillance in South Korea was performed to determine the prevalence and distribution of IBV and its genotypes. By both active and passive surveillance, a total of 939 samples were collected and tested for IBV detection by pathogen-specific reverse transcriptase-PCR. IBV RNA-positive samples were inoculated in embryonated eggs for virus isolation. IBV was genotyped and analyzed phylogenetically based on a partial nucleotide sequence of the S1 gene. A total of 114 IBV strains were isolated; 34 (30.9%) of the 110 samples obtained by passive surveillance, and 80 (9.7%) of the 829 samples obtained by active surveillance, were positive. Most IBVs in both groups were isolated from broilers. Five genotypes (QX-like, B4-like, KM91-like, K40/09-like, and 20AD17-like) were observed in South Korea, with the QX-like genotype being the most common, and the 20AD17-like genotype being a novel genotype. These findings will help to maximize protection against IBV infection by providing a reference for the selection of an avian vaccine for IBV in South Korea.
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Affiliation(s)
- Il Jang
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea.,College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Tuyet Ngan Thai
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Jae-Il Lee
- College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Yong-Kuk Kwon
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Hye-Ryoung Kim
- Avian Disease Division, Animal and Plant Quarantine Agency, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea,
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Lee HC, Jeong S, Cho AY, Kim KJ, Kim JY, Park DH, Kim HJ, Kwon JH, Song CS. Genomic Analysis of Avian Infectious Bronchitis Viruses Recently Isolated in South Korea Reveals Multiple Introductions of GI-19 Lineage (QX Genotype). Viruses 2021; 13:v13061045. [PMID: 34072981 PMCID: PMC8228071 DOI: 10.3390/v13061045] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 01/29/2023] Open
Abstract
Infectious bronchitis virus (IBV) was first identified in the 1930s and it imposes a major economic burden on the poultry industry. In particular, GI-19 lineage has spread globally and has evolved constantly since it was first detected in China. In this study, we analyzed S1 gene sequences from 60 IBVs isolated in South Korea. Two IBV lineages, GI-15 and GI-19, were identified in South Korea. Phylogenetic analysis suggested that there were six distinct subgroups (KM91-like, K40/09-like, and QX-like I to IV) of the South Korean GI-19 IBVs. Among them, QX-type III and IV subgroups, which are phylogenetically different from those reported in South Korea in the past, accounted for more than half of the total. Moreover, the phylogeographic analysis of the QX-like subgroups indicated at least four distinct introductions of GI-19 IBVs into South Korea during 2001–2020. The efficacy of commercialized vaccines against the recently introduced QX-like subgroups should be verified, and continuous international surveillance efforts and quarantine procedures should be enhanced to prevent the incursion of viruses.
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Affiliation(s)
- Hyuk-Chae Lee
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Sol Jeong
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Andrew Y. Cho
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Kyu-Jik Kim
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Jun-Young Kim
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Dam-Hee Park
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Hyun-Jin Kim
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
| | - Jung-Hoon Kwon
- College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Korea
- Correspondence: (J.-H.K.); (C.-S.S.); Tel.: +82-2-450-3712 (C.-S.S.)
| | - Chang-Seon Song
- College of Veterinary Medicine, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (H.-C.L.); (S.J.); (A.Y.C.); (K.-J.K.); (J.-Y.K.); (D.-H.P.); (H.-J.K.)
- Correspondence: (J.-H.K.); (C.-S.S.); Tel.: +82-2-450-3712 (C.-S.S.)
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Mase M, Gotou M, Inoue D, Watanabe S, Iseki H. Genotyping of infectious bronchitis viruses isolated in Japan during 2008-2019. J Vet Med Sci 2021; 83:522-526. [PMID: 33431758 PMCID: PMC8025416 DOI: 10.1292/jvms.20-0620] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Seventeen isolates of infectious bronchitis virus (IBV) were obtained from various prefectures of Japan during 2008-2019 and genetically analyzed. The IBV isolates were classified into six genetic groups, based on phylogenetic analysis of the S1 gene. The S1 genotypes were distinguishable by a newly developed restriction fragment length polymorphism (RFLP) method using three endonucleases, Hae II, Hpa I, and Fok I. Moreover, the isolates were classified into four genetic groups, based on phylogenetic analysis of the S2 gene. However, novel genetic groups based on a combination of S1 and S2 genotypes, which were undetected previously, were confirmed in this study, indicating that various recombinant IBV strains were prevalent in poultry in Japan.
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Affiliation(s)
- Masaji Mase
- Division of Viral Disease and Epidemiology, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan.,United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan
| | - Makiko Gotou
- Tokushima Animal Hygiene Service Center of Tokushima Prefecture, 5-94 Minamisyoumachi, Tokushima 770-0045, Japan
| | - Daisuke Inoue
- Chuo Livestock Hygiene Service Center, Nagasaki Prefecture, 3118 Kaizu, Isahaya, Nagasaki 854-0063, Japan
| | - Satoko Watanabe
- Division of Viral Disease and Epidemiology, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan
| | - Hiroshi Iseki
- Division of Viral Disease and Epidemiology, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan
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Abstract
It is essential to understand the latest situation regarding avian coronaviruses (ACoVs), commonly referred to as the well-known avian infectious bronchitis virus (IBV), given that new and diverse types of IBV are continually being identified worldwide, particularly ones that are isolated from commercial poultry and associated with a wide range of disease conditions. The existing IBVs continue to evolve in various geographic areas in Asia, which results in the recombination and co-circulation between IBV types. This makes it increasingly difficult to prevent and control IBV infections, despite routine vaccination. Some ACoVs have also been identified in other avian species and they may pose a threat of cross-transmission to commercial sectors. The present review provides an overview of IBV circulation and the dynamic emergence of new variants found throughout Asia via the recombination of IBV strains. In addition to commercial poultry, backyard poultry and free-ranging birds may serve as a ‘hub’ for ACoV transmission within a particular area. These birds may be capable of spreading viruses, either to areas of close proximity, or to remote places via migration and trade.
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Affiliation(s)
- Naruepol Promkuntod
- a Department of Livestock Development, National Institute of Animal Health, Veterinary Research and Development Center (Southern Region) , Thungsong , Nakhon Si Thammarat , Thailand
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A. Hussein H, Emara M, Rohaim M, Ganapathy K, Arafa A. Sequence Analysis of Infectious Bronchitis Virus IS/1494 like Strain Isolated from Broiler Chicken Co-Infected with Newcastle Disease Virus in Egypt During 2012. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ijps.2014.530.536] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
Infectious bronchitis virus (IBV) is a gamma coronavirus that causes a highly contagious disease in chickens. The virus can affect the upper respiratory tract and the reproductive tract, and some strains can cause a nephritis. Different serotypes and genetic types of the virus have been identified worldwide and for the most part do not cross-protect. In addition, new types of the virus continue to arise due to mutations and recombination events in the viral genome, making this virus difficult to identify and extremely difficult to control. Surveillance and identification of IBV types is extremely important for control of the disease and the advancement of molecular methods have aided in this pursuit. Genetic typing of IBV, which involves reverse transcription-PCR amplification and sequence analysis of the S1 glycoprotein gene, has revolutionized diagnosis and identification of this virus by making it possible to type and compare the relatedness of a large number of virus isolates in a short period of time. The purpose of this review is to give an update on the strains of IBV currently circulating in commercial chickens worldwide and hopefully to present a clear picture of the relationship between many of these viruses. The information on IBV types presented herein is from published manuscripts, submissions to GenBank, our own unpublished data, and personal communications with scientists and diagnosticians working with IBV worldwide.
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Affiliation(s)
- Mark W Jackwood
- Department of Population Health, Poultry Diagnostic and Research Center, College of Veterinary Medicine, 953 College Station Road, University of Georgia, Athens, GA 30602, USA.
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12
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Song JE, Jeong WG, Sung HW, Kwon HM. Sequencing, phylogenetic analysis, and potential recombination events of infectious bronchitis viruses isolated in Korea. Virus Genes 2012. [PMID: 23203570 DOI: 10.1007/s11262-012-0856-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The S2 glycoprotein and membrane (M) protein genes and S1 glycoprotein and nucleocapsid (N) genes of 11 Korean infectious bronchitis virus (IBV) isolates were amplified by RT-PCR, cloned, and sequenced. The resultant nucleotide sequences were compared with the published sequences for non-Korean IBV strains. Korean IBV isolates formed two independent subclusters within the phylogenetic tree based on S2 glycoprotein gene sequences. However, four and two different clusters were formed in the phylogenetic tree based on S1 glycoprotein and M gene sequences, respectively. In particular, Korean IBV K446-01 and K203-02 strains appeared to be the result of recombination between an indigenous Korean IBV strains and a vaccine strain (Massachusetts serotype) currently used in Korea. The recent IBV isolate, K026-10, formed a new subgroup that was closely related to traditional Korean IBV group in a phylogenetic tree based on the S1 and S2 genes, but it was grouped into the traditional Korean IBV cluster in a phylogenetic tree based on the M and N genes. Our data show that field IBVs in Korea are continuing to evolve and that vaccine strains might actually play a critical role in the appearance of new IBV strains via recombination in the field.
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13
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Mondal S, Chang YF, Balasuriya U. Sequence analysis of infectious bronchitis virus isolates from the 1960s in the United States. Arch Virol 2012; 158:497-503. [PMID: 23065112 PMCID: PMC7087199 DOI: 10.1007/s00705-012-1500-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Accepted: 08/26/2012] [Indexed: 11/10/2022]
Abstract
To better understand the molecular epidemiology of infectious bronchitis virus (IBV) in the United States following the introduction of commercial IBV vaccines, we sequenced the S1 and N structural protein genes of thirteen IBV field isolates collected in the 1960s. Analysis of the S1 sequence showed that seven isolates were of the Massachusetts (Mass) genotype, five were SE17, and one was of the Connecticut (Conn) genotype, suggesting that these three IBVs were circulating in commercial poultry raised in different regions in the United States during the 1960s. The S1 genes of Mass-type isolates had high levels of sequence variation, representing 81.3-81.9 % nucleotide (nt) and 77.3-78.7 % amino acid (aa) identity when compared to those of the SE17-type isolates. In contrast, the N genes from the same isolates were less variable (>92 % nt and >93 % aa identity) when compared to those of the SE17-type isolates. Phylogenetic analysis based on the S1 gene indicated that one isolate (L748) was more closely related to the Mass type. In contrast, phylogenetic analysis based on the N gene showed that L748 was more closely related to the SE17 type, indicating that there had been exchange of S1 genetic materials between Mass- and SE17-like viruses. In addition, the Mass-type isolates had high levels of sequence identity in the S1 gene compared with widely used modified live vaccines (Mass41, Ma5 and H120) and modern field strains from the USA and other countries, suggesting a common ancestor.
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Affiliation(s)
- Shankar Mondal
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA.
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14
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Sjaak de Wit JJ, Cook JKA, van der Heijden HMJF. Infectious bronchitis virus variants: a review of the history, current situation and control measures. Avian Pathol 2012; 40:223-35. [PMID: 21711181 PMCID: PMC7154306 DOI: 10.1080/03079457.2011.566260] [Citation(s) in RCA: 283] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The history, current situation and control measures for infectious bronchitis virus (IBV) variants are reviewed. A large number of IBV variants exist worldwide; some being unique to a particular area, others having a more general distribution. The possible reasons why some strains spread readily over major parts of the world, whereas other strains stay more localized are discussed. The advantages and disadvantages of strain classification by protectotyping, serotyping and genotyping are discussed in relation to in vivo protection. The different vaccination strategies are also considered.
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Affiliation(s)
- J J Sjaak de Wit
- GD (Animal Health Service), P.O.B. 9, 7400 AA, Deventer, The Netherlands.
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15
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Sjaak de Wit JJ, Cook JKA, van der Heijden HMJF. Infectious bronchitis virus variants: a review of the history, current situation and control measures. Avian Pathol 2012. [PMID: 21711181 DOI: 10.1080/03079457.2011.56626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The history, current situation and control measures for infectious bronchitis virus (IBV) variants are reviewed. A large number of IBV variants exist worldwide; some being unique to a particular area, others having a more general distribution. The possible reasons why some strains spread readily over major parts of the world, whereas other strains stay more localized are discussed. The advantages and disadvantages of strain classification by protectotyping, serotyping and genotyping are discussed in relation to in vivo protection. The different vaccination strategies are also considered.
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Affiliation(s)
- J J Sjaak de Wit
- GD (Animal Health Service), P.O.B. 9, 7400 AA, Deventer, The Netherlands.
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16
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Abro SH, Renström LHM, Ullman K, Belák S, Baule C. Characterization and analysis of the full-length genome of a strain of the European QX-like genotype of infectious bronchitis virus. Arch Virol 2012; 157:1211-5. [PMID: 22421962 DOI: 10.1007/s00705-012-1284-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2011] [Accepted: 02/13/2012] [Indexed: 11/30/2022]
Abstract
In recent years, strains of infectious bronchitis virus belonging to the QX-like genotype have been causing huge economic losses in commercial chicken flocks in different countries in Europe. In order to expand the knowledge of the molecular features of these viruses, we have sequenced and characterized the complete genome of European QX-like IBV strain CK/SWE/0658946/10, which was isolated in 2010 in Sweden. The genome is 27664 nucleotides in length, comprising six genes and 5' and 3' untranslated regions. The ORF1a, spike and nucleocapsid genes were under strong positive selective pressure that resulted in genetic diversity in relation to classical IBV isolates. The full-length genome of the CK/SWE/0658946/10 strain has the highest nucleotide sequence identity (93.18%) to ITA/90254/2005 and the lowest nucleotide identity (89.10%) to strain CQ04-1. Phylogenetic analysis of partial S1 gene sequences of IBV strains showed that the European QX-like genotype comprises strains that have been predominantly circulating in this continent for the past decade.
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Affiliation(s)
- Shahid Hussain Abro
- Department of Biomedical Sciences and Veterinary Public Health, Section of Virology, The Swedish University of Agricultural Sciences, Uppsala, Sweden.
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17
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Lim TH, Lee HJ, Lee DH, Lee YN, Park JK, Youn HN, Kim MS, Lee JB, Park SY, Choi IS, Song CS. An emerging recombinant cluster of nephropathogenic strains of avian infectious bronchitis virus in Korea. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2011; 11:678-85. [PMID: 21255688 PMCID: PMC7185786 DOI: 10.1016/j.meegid.2011.01.007] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2010] [Revised: 01/12/2011] [Accepted: 01/12/2011] [Indexed: 11/02/2022]
Abstract
The infectious bronchitis virus (IBV) is continuously evolving through point mutation and recombination of their genome, subsequently the emergence of IBV variants complicates disease control. The objective of this study was to investigate genetic characterization of new IBV variants isolated from commercial chicken flocks in Korea collected between 2005 and 2010. Phylogenetic analysis revealed that all new IBV isolates belonged to Korean group II (K-II), which included the nephropathogenic IBV strains. However, the isolates formed a new gene cluster that was distinguished from the two distinct K-II subgroups (KM91-like and QX-like). Recombination events were identified in the S1 gene, with their putative parental strains being the KM91-like or QX-like subgroup. In addition, two crossover sites were observed in the S1 gene of IBV isolates. These results suggest that natural genetic recombination between heterologous strains classified into different genetic groups has occurred and may have caused the emergence of new IBV strains. This finding provides important information on IBV evolution and is essential for the effective control of IB in Korea.
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Affiliation(s)
- Tae-Hyun Lim
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Hyun-Jeong Lee
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Dong-Hun Lee
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Yu-Na Lee
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Jae-Keun Park
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Ha-Na Youn
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Myung-Seob Kim
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Joong-Bok Lee
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Seung-Yong Park
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - In-Soo Choi
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Chang-Seon Song
- Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
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18
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Wit JJ(SD, Cook JKA, van der Heijden HMJF. Infectious bronchitis virus in Asia, Africa, Australia and Latin America: history, current situation and control measures. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2010. [DOI: 10.1590/s1516-635x2010000200004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Mase M, Kawanishi N, Ootani Y, Murayama K, Karino A, Inoue T, Kawakami J. A novel genotype of avian infectious bronchitis virus isolated in Japan in 2009. J Vet Med Sci 2010; 72:1265-8. [PMID: 20460833 DOI: 10.1292/jvms.10-0080] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Avian infectious bronchitis viruses (IBVs) isolated from commercial layer flocks kept in Ibaraki Prefecture in 2009 were genetically and serologically characterized. Reverse transcription-PCR coupled with direct nucleotide sequencing and GenBank BLAST database analysis of the hypervariable region of the S1 subunit of the virus spike gene showed that these isolates are genetically very different from the previously known IBV genotypes in Japan. Furthermore, none of the antisera used in this study neutralized the index isolate (JP/Ibaraki/168-1/2009) in virus neutralization tests. These results suggest that the isolates are a novel IBV genotype in Japan (designated JP-IV).
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Affiliation(s)
- Masaji Mase
- National Institute of Animal Health, Kannondai, Tsukuba, Ibaraki, Japan.
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20
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Choi KS, Lee EK, Jeon WJ, Park MJ, Kim JW, Kwon JH. Pathogenicity and antigenicity of a new variant of Korean nephropathogenic infectious bronchitis virus. J Vet Sci 2010; 10:357-9. [PMID: 19934604 PMCID: PMC2807275 DOI: 10.4142/jvs.2009.10.4.357] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Despite the existence of an active vaccination program, recently emerged strains of nephropathogenic infectious bronchitis virus (IBV) in Korea have caused significant economic losses in the poultry industry. In this study, we assessed the pathogenic and antigenic characteristics of a K-IIb type field strain of IBV that emerged in Korea since 2003, such as Kr/Q43/06. Specific pathogen free 1-week-old chickens exhibited severe respiratory symptoms (dyspnea) and nephropathogenic lesions (swollen kidneys with nephritis and urate deposits) following challenge with the recent IBV field strain. The antigenic relatedness (R value), based on a calculated virus neutralization index, of the K-IIb type field strain and K-IIa type strain KM91 (isolated in 1991) was 30%, which indicated that the recent strain, Kr/Q43/06, is a new variant that is antigenically distinct from strain KM91. This report is the first to document the emergence of a new antigenic variant of nephropathogenic IBV in chicken from Korea.
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Affiliation(s)
- Kang Seuk Choi
- Avian Diseases Division, National Veterinary Research and Quarantine Service, Anyang 430-757, Korea.
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21
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Ariyoshi R, Kawai T, Honda T, Tokiyoshi S. Classification of IBV S1 genotypes by direct reverse transcriptase-polymerase chain reaction (RT-PCR) and relationship between serotypes and genotypes of strains isolated between 1998 and 2008 in Japan. J Vet Med Sci 2010; 72:687-92. [PMID: 20093802 DOI: 10.1292/jvms.09-0130] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
In this study, we attempted to establish a simple detection method for classification of IBV S1 genotypes by direct reverse transcriptase-polymerase chain reaction (RT-PCR). Then, to evaluate the usefulness of the S1 genotype-specific RT-PCR, we examined the relationship between S1 genotypes and serotypes of IBV in Japan. Sequencing of the S1 genes of IBV and phylogenetic tree analysis were conducted. On the basis of the sequencing data of the S1 genotype samples, we determined primer sets specific for each genotype. Five vaccine strains in Japan as reference strains and 46 field isolates were classified into different genetic clusters by phylogenetic tree analysis (JP-1, JP-II, JP-III, Mass and 4/91) and were matched to the results of S1 genotype-specific RT-PCR. A cross virus-neutralizing test showed that the five vaccine strains in Japan exhibited different serotypes from each other. The concordance rate of the 46 field isolates between the S1 genotypes and serotypes was 65.2%. The present study indicates that genotype-specific RT-PCR could be a convenient and useful tool for determining IBV serotypes and could contribute to the control of IBV outbreaks in Japan.
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Affiliation(s)
- Rikako Ariyoshi
- Animal Vaccine Production Department, The Chemo-Sero-Therapeutic Research Institute, Okubo, Kumamoto.
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22
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Mase M, Inoue T, Yamaguchi S, Imada T. Genetic diversity of avian infectious bronchitis viruses in Japan based on analysis of s2 glycoprotein gene. J Vet Med Sci 2009; 71:287-91. [PMID: 19346695 DOI: 10.1292/jvms.71.287] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
To understand the genetic diversity of the S2 gene of infectious bronchitis viruses (IBV) isolated in Japan, we determined the nucleotide sequences of these IBVs using the reverse transcriptase polymerase chain reaction method coupled with direct sequencing. IBV isolated in Japan were classified into six different groups by phylogenetic analysis based on the S2 gene. However, the classification based on the S2 gene of IBV isolated in Japan was different for some of the strains from those obtained with our previous analysis of the S1 gene. This suggested that genetic recombination between the virus strains classified into different genetic groups had occurred in poultry, and that recombinant viruses might be epidemic in Japan.
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Affiliation(s)
- Masaji Mase
- National Institute of Animal Health, Tsukuba, Ibaraki, Japan.
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23
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Mase M, Inoue T, Yamaguchi S, Imada T. Existence of avian infectious bronchitis virus with a European-prevalent 4/91 genotype in Japan. J Vet Med Sci 2009; 70:1341-4. [PMID: 19122402 DOI: 10.1292/jvms.70.1341] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Eight isolates of infectious bronchitis virus (IBV) were obtained from various prefectures in Japan during 2003-2007 and were genetically analyzed by reverse transcriptase-polymerase chain reaction (RT-PCR) coupled with direct sequencing. These IBV isolates were classified into three genetic groups, including two that have already been reported (JP-I and JP-III). The remaining group is related to the 4/91 (also known as 793/B) type, prevalent mainly in European countries, and has not been identified in Japan until now.
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Affiliation(s)
- Masaji Mase
- National Institute of Animal Health, Ibaraki, Japan.
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24
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Jang JH, Sung HW, Song CS, Kwon HM. Sequence analysis of the S1 glycoprotein gene of infectious bronchitis viruses: identification of a novel phylogenetic group in Korea. J Vet Sci 2008; 8:401-7. [PMID: 17993755 PMCID: PMC2868157 DOI: 10.4142/jvs.2007.8.4.401] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Twelve Korean infectious bronchitis viruses (IBVs) were isolated in the field from chickens suspected of being carriers of infectious bronchitis between 2001 and 2003. The S1 glycoprotein genes of these IBV isolates were amplified by reverse transcriptase-polymerase chain reaction (RTPCR) and analyzed by restriction fragment length polymorphism (RFLP) analysis. These Korean IBV isolates were classified into three groups according to their RFLP patterns obtained using the restriction enzyme HaeIII. Half of the twelve isolates were similar to the KM91 RFLP pattern, which is a common pattern in Korea. Three more isolates were related to the Arkansas strain pattern, but with some unique variations. The other three viruses showed variant RFLP patterns. For a comparison with the published sequences for non-Korean IBV strains, amplified PCR products from the twelve isolates were cloned and sequenced. The Korean IBV field isolates had 71.2-99.7% nucleotide sequence homology with each other and 45.9-80.7% nucleotide sequence homology with non-Korean IBV strains. With respect to the deduced amino acid sequence, the Korean IBV isolates had 71.5-99.3% similarity with each other and 44.9-80.3% similarity with non-Korean IBV strains. Phylogenetic tree analysis revealed that some of the IBV isolates appear to belong to a new group, different from the non-Korean IBV strains or from previously isolated Korean IBV strains. Specifically, the new Korean IBV isolates K10217-03, K3-3 and K1255-03 represented a separate group. These findings suggest that the Korean IBVs appear to be continuously evolving.
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Affiliation(s)
- Ji-Hyun Jang
- School of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 200-701, Korea
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25
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Liu S, Wang Y, Ma Y, Han Z, Zhang Q, Shao Y, Chen J, Kong X. Identification of a newly isolated avian infectious bronchitis coronavirus variant in China exhibiting affinity for the respiratory tract. Avian Dis 2008; 52:306-14. [PMID: 18646462 DOI: 10.1637/8110-091307-resnote.1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Twelve infectious bronchitis virus (IBV) isolates obtained from commercial chickens in China between 2005 and 2006 were characterized by reverse transcriptase-polymerase chain reaction (RT-PCR) and the sequencing of the entire S1 gene. CK/CH/LSD/05I--an IBV variant, which was unlike the nephropathogenic IBV isolates found in China--exhibited an affinity for the respiratory tract. The variant was identified by phylogenic analysis and basic local alignment search tool (BLAST) searches of the entire S1 gene and by the vaccination-challenge test that was performed using heterologous strains. Further, it was demonstrated that the commercially used H120 vaccine did not provide sufficient protection against this variant; however, the attenuated heterologous IBV tl/CH/LDT3/03 P120, whose parent virus was isolated in China, showed a better efficacy of protection against CK/CH/LSD/05I. This study thus may demonstrate that the use of a combination of commercially available vaccines or of attenuated heterologous strains would provide satisfactory protection against the variant CK/CH/LSD/05I. In addition, the study also revealed that IBV strains exhibiting different pathogenicities were found cocirculating in the chicken flock in China.
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Affiliation(s)
- Shengwang Liu
- Division of Avian Infectious Diseases, National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China.
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26
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Lee EK, Jeon WJ, Lee YJ, Jeong OM, Choi JG, Kwon JH, Choi KS. Genetic diversity of avian infectious bronchitis virus isolates in Korea between 2003 and 2006. Avian Dis 2008; 52:332-7. [PMID: 18646466 DOI: 10.1637/8117-092707-resnote.1] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Thirty-three field isolates of avian infectious bronchitis virus (IBV) were recovered from commercial chicken flocks in Korea between 2003 and 2006 and were characterized phylogenetically by nucleotide sequence analysis of the IBV S1 gene hyper-variable region. Our phylogenetic analysis revealed that recent field isolates of IBV formed at least three distinct phylogenetic types, including K-I, K-II, and K-III. K-I type IBV consisted of indigenous, 13 IBV isolates which evolved from the Kr-EJ/95 strain and then separated into the lineages of type K-Ia and type K-Ib. K-II type IBV isolates (n = 19) were closely related to nephropathogenic IBV variants from China and Japan. The K-III type isolate (Kr/D064/05), first identified by this study, was closely related to enteric IBV variants from the Chinese strains that cause proventriculitis. Sequence comparisons showed amino acid differences of >27.5% between IBV types. The molecular epidemiologic characteristics of IBV field isolates are briefly discussed.
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Affiliation(s)
- Eun-Kyoung Lee
- Avian Diseases Division, National Veterinary Research and Quarantine Service, 480 Anyang-6, Anyang, Gyeonggi, 430-824, South Korea
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27
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Abreu JT, Resende JS, Flatschart RB, Folgueras-Flatschart AV, Mendes ACR, Martins NRS, Silva CBA, Ferreira BMC, Resende M. Molecular analysis of Brazilian infectious bronchitis field isolates by reverse transcription-polymerase chain reaction, restriction fragment length polymorphism, and partial sequencing of the N gene. Avian Dis 2007; 50:494-501. [PMID: 17274284 DOI: 10.1637/7525-030706r.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Molecular analysis of 15 Brazilian infectious bronchitis virus (IBV) isolates, obtained from clinical outbreaks of the disease in chickens (broilers or layers) in the state of Minas Gerais (Brazil) between 1972 and 1989, is reported. Using the N protein gene as target, IBVs were analyzed by reverse transcription-polymerase chain reaction/restriction fragment length polymorphism (RT-PCR/RFLP) with the restriction enzymes AvaII, HphI, Sau96I, and Tsp509I and cDNA sequencing. Results obtained from those isolates were compared to 19 sequences available in GenBank. N gene RFLP profiles, cDNA sequences, and predicted amino acid composition were used for the construction of dendrograms. Brazilian isolates were grouped into one distinct group. Identity of predicted N protein amino acid composition varied from 45% (between isolates G and 208) up to 99% (PM 1 and PM2), and, when compared to the other IBVs, the amino acid identity was from 42% (Q3/88 and G) up to 97% (D41 and PM1). The great genetic diversity was shown to occur before the official use of vaccination in Brazil and has remained thereafter.
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Affiliation(s)
- Josiane T Abreu
- Laboratório de Virologia Comparada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, P.O. Box 486, Belo Horizonte, Minas Gerais, Brasil 31270-901
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28
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Park JY, Pak SI, Sung HW, Kim JH, Song CS, Lee CW, Kwon HM. Variations in the nucleocapsid protein gene of infectious bronchitis viruses isolated in Korea. Virus Genes 2006; 31:153-62. [PMID: 16025240 PMCID: PMC7088842 DOI: 10.1007/s11262-005-1788-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2005] [Accepted: 03/02/2005] [Indexed: 12/03/2022]
Abstract
Fourteen infectious bronchitis viruses (IBVs) were isolated in Korea between 2001 and 2003 from chickens suspected to be infected with IBVs. The nucleocapsid (N) protein genes of the various IBVs were amplified by reverse transcriptase-polymerase chain reaction (RT-PCR) and were cloned and sequenced, and the nucleotide and deduced amino acid sequences were compared with published sequences for non-Korean IBV strains. The Korean IBV isolates shared amino acid sequence similarity of between 89.2% (K203-02 and K1255-03) and 98.3% (K434-01 and K281-01) with each other and exhibited amino acid sequence similarity between 57.0% (K774-01 and V18/91) and 96.6% (K507-01 and JP8147) with non-Korean IBV strains. Phylogenetic analysis of the deduced N protein amino acid sequences resulted in the segregation of Korean IBV isolates into three different clusters, with cluster assignments differing for some of the isolates from those obtained with analysis of the S1 glycoprotein. Korean IBV isolates K069-01, K281-01, K434-01, K504-01, K774-01, K748-01, K044-02, K058-02, K161-02, K203-02, and K234-02 formed an independent cluster comprised only of Korean IBV isolates. Another Korean IBV isolate, K210-02, belonged to a cluster that included IBV strains isolated in USA, the Netherlands and China. Recent Korean IBV isolates K514-03 and K1255-03 grouped into a third distinct cluster related to a Chinese IBV strain. As deduced from phylogenetic analysis, some IBV isolates appear to have arisen from the recombination of IBV strains with different origins.
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Affiliation(s)
- Ji Yeun Park
- Laboratory of Veterinary Microbiology, Department of Veterinary Medicine, Kangwon National University, Chunchon, 200-701 USA
| | - Son Il Pak
- Laboratory of Veterinary Microbiology, Department of Veterinary Medicine, Kangwon National University, Chunchon, 200-701 USA
| | - Haan Woo Sung
- National Veterinary Research and Quarantine Service, Ministry of Agriculture and Forestry, Anyang, 430-016 USA
| | - Jae Hong Kim
- National Veterinary Research and Quarantine Service, Ministry of Agriculture and Forestry, Anyang, 430-016 USA
| | - Chang Seon Song
- College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Chang Won Lee
- Southeast Poultry Research Laboratory, USDA-ARS, 934 College Station Road, Athens, GA 30605 USA
| | - Hyuk Moo Kwon
- Laboratory of Veterinary Microbiology, Department of Veterinary Medicine, Kangwon National University, Chunchon, 200-701 USA
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29
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Ignjatovic J, Gould G, Sapats S. Isolation of a variant infectious bronchitis virus in Australia that further illustrates diversity among emerging strains. Arch Virol 2006; 151:1567-85. [PMID: 16501892 PMCID: PMC7087298 DOI: 10.1007/s00705-006-0726-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2005] [Accepted: 01/05/2006] [Indexed: 01/15/2023]
Abstract
Australian infectious bronchitis viruses (IBV) have undergone a separate evolution due to geographic isolation. Consequently, changes occurring in Australian IBV illustrate, independently from other countries, types of variability that could occur in emerging IBV strains. Previously, we have identified two distinct genetic groups of IBV, designated subgroups 1 and 2. IBV strains of subgroup 1 have S1 and N proteins that share a high degree of amino acid identity, 81 to 98% in S1 and 91 to 99% in N. Subgroup 2 strains possess S1 and N proteins that share a low level of identity with subgroup 1 strains: 54 to 62% in S1 and 60 to 62% in N. This paper describes the isolation and characterisation of a third, previously undetected genetic group of IBV in Australia. The subgroup 3 strains, represented by isolate chicken/Australia/N2/04, had an S1 protein that shared a low level of identity with both subgroups 1 and 2: 61 to 63% and 56 to 59%, respectively. However, the N protein and the 3′ untranslated region were similar to subgroup 1: 90 to 97% identical with the N protein of subgroup 1 strains. This N4/02 subgroup 3 of IBV is reminiscent of two other strains, D1466 and DE072, isolated in the Netherlands and in the USA, respectively. The emergence of the subgroup 3 viruses in Australia, as well as the emergence of subgroup 2 in 1988, could not be explained by any of the mechanisms that are currently considered to be involved in generation of IBV variants.
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Affiliation(s)
- J Ignjatovic
- CSIRO Livestock Industries, Australian Animal Health Laboratory, Geelong, Australia.
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30
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Liu SW, Zhang QX, Chen JD, Han ZX, Liu X, Feng L, Shao YH, Rong JG, Kong XG, Tong GZ. Genetic diversity of avian infectious bronchitis coronavirus strains isolated in China between 1995 and 2004. Arch Virol 2006; 151:1133-48. [PMID: 16397751 PMCID: PMC7086752 DOI: 10.1007/s00705-005-0695-6] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2005] [Accepted: 11/17/2005] [Indexed: 10/29/2022]
Abstract
Twenty-six avian infectious bronchitis (IB) viruses (IBV) were isolated from outbreaks in chickens in China between 1995 and 2004. They were characterized by comparison with twenty-six Chinese reference strains and five other IBV strains. Chinese IBVs, which were mainly nephropathogenic, were placed into seven genotypes. Fourteen Chinese IBV isolates were placed in genotype I, having small evolutionary distances from each other. Genotype II included 6 strains that were isolated in the 1990s in China. Genotype III consisted of eight Chinese isolates that showed close relationship with Korean IBV isolates. Another eight IBV isolates clustered in genotype IV and showed larger evolutionary distances. The Massachusetts serotype was present in China in 1990s and was in a separate genotype. Two isolates, HN99 and CK/CH/LHN/00I, which might be a reisolation of vaccine strains, clustered into genotype VI. Four Chinese IBV isolates formed another genotype and showed larger evolutionary distances from other Chinese IBV genotypes (genotype VII). IBVs in same genotypes showed more than 90% amino acid sequence similarities, whereas most of the viruses in different genotypes showed less than 90%. The results showed that IBVs in China came from genetic changes both in IBV populations that existed before the advent of vaccination and in the viruses that were introduced through live vaccines. IBVs showing various genetic differences are cocirculating in China.
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Affiliation(s)
- S W Liu
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin, P.R. China
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31
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Liu S, Chen J, Chen J, Kong X, Shao Y, Han Z, Feng L, Cai X, Gu S, Liu M. Isolation of avian infectious bronchitis coronavirus from domestic peafowl (Pavo cristatus) and teal (Anas). J Gen Virol 2005; 86:719-725. [PMID: 15722532 DOI: 10.1099/vir.0.80546-0] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Coronavirus-like viruses, designated peafowl/China/LKQ3/2003 (pf/CH/LKQ3/03) and teal/China/LDT3/2003 (tl/CH/LDT3/03), were isolated from a peafowl and a teal during virological surveillance in Guangdong province, China. Partial genomic sequence analysis showed that these isolates had the S-3-M-5-N gene order that is typical of avian coronaviruses. The spike, membrane and nucleocapsid protein genes of pf/CH/LKQ3/03 had >99 % identity to those of the avian infectious bronchitis coronavirus H120 vaccine strain (Massachusetts serotype) and other Massachusetts serotype isolates. Furthermore, when pf/CH/LKQ3/03 was inoculated experimentally into chickens (specific-pathogen-free), no disease signs were apparent. tl/CH/LDT3/03 had a spike protein gene with 95 % identity to that of a Chinese infectious bronchitis virus (IBV) isolate, although more extensive sequencing revealed the possibility that this strain may have undergone recombination. When inoculated into chickens, tl/CH/LDT3/03 resulted in the death of birds from nephritis. Taken together, this information suggests that pf/CH/LKQ3/03 might be a revertant, attenuated vaccine IBV strain, whereas tl/CH/LDT3/03 is a nephropathogenic field IBV strain, generated through recombination. The replication and non-pathogenic nature of IBV in domestic peafowl and teal under field conditions raises questions as to the role of these hosts as carriers of IBV and the potential that they may have to transmit virus to susceptible chicken populations.
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Affiliation(s)
- Shengwang Liu
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Jianfei Chen
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Jinding Chen
- South China Agricultural University, Guangzhou 510246, People's Republic of China
| | - Xiangang Kong
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Yuhao Shao
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Zongxi Han
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Li Feng
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Xuehui Cai
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Shoulin Gu
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
| | - Ming Liu
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Science, Harbin 150001, People's Republic of China
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