A Multiplex Quantitative Polymerase Chain Reaction for the Rapid Differential Detection of Subgroups A, B, J, and K Avian Leukosis Viruses
文献类型： 外文期刊
作者： Dou, Junfeng 1 ; Wang, Zui 1 ; Li, Li 1 ; Lu, Qin 1 ; Jin, Xinxin 1 ; Ling, Xiaochun 1 ; Cheng, Zhengyu 1 ; Zhang, Tengfei 1 ; Shao, Huabin 1 ; Zhai, Xinguo 3 ; Luo, Qingping 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Anim Husb & Vet, Key Lab Prevent & Control Agents Anim Bacteriosis, Minist Agr & Rural Affairs, Wuhan 430064, Peoples R China
2.Hubei Hongshan Lab, Wuhan 430064, Peoples R China
3.Hebei Univ Engn, Coll Life Sci & Food Engn, Dept Anim Med, Handan 056038, Peoples R China
4.Dalhousie Univ, Dept Microbiol & Immunol, Halifax, NS B3H 4R2, Canada
关键词： avian leukosis virus; multiplex quantitative PCR; subgroup A/B/J/K
期刊名称：VIRUSES-BASEL （ 影响因子：4.7； 五年影响因子：4.8 ）
ISSN：
年卷期： 2023 年 15 卷 9 期
页码：
收录情况： SCI
摘要： Avian leukosis (AL), caused by avian leukosis virus (ALV), is a contagious tumor disease that results in significant economic losses for the poultry industry. Currently, ALV-A, B, J, and K subgroups are the most common in commercial poultry and cause possible coinfections. Therefore, close monitoring is necessary to avoid greater economic losses. In this study, a novel multiplex quantitative polymerase chain reaction (qPCR) assay was developed to detect ALV-A, ALV-B, ALV-J, and ALV-K with limits of detection of 40, 11, 13.7, and 96 copies/mu L, respectively, and no cross-reactivity with other ALV subtypes and avian pathogens. We detected 852 cell cultures inoculated with clinical samples using this method, showing good consistency with conventional PCR and ELISA. The most prevalent ALV strain in Hubei Province, China, was still ALV-J (11.74%). Although single infections with ALV-A, ALV-B, and ALV-K were not found, coinfections with different subgroup strains were identified: 0.7% for ALV-A/J, 0.35% for ALV-B/J, 0.25% for ALV-J/K, and 0.12% for ALV-A/B/K and ALV-A/B/J. Therefore, our novel multiplex qPCR may be a useful tool for molecular epidemiology, clinical detection of ALV, and ALV eradication programs.
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