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RNAlater (R) is a viable storage option for avian influenza sampling in logistically challenging conditions

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机构: [a]Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden [b]Department of Laboratory Medicine, Division of Clinical Microbiology, Dalarna County, Sweden [c]Xuanwu Hospital, Capital Medical University, China [d]Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska Institute, Karolinska University Hospital, SE-14186 Huddinge, Sweden [e]Section for Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden [f]WHO Collaborating Centre for Reference and Research on Influenza, at The Peter Doherty Institute for Infection and Immunity, 792 Elizabeth Street, Melbourne, Victoria, 3000, Australia.
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关键词: China Influenza A virus RNAlater (R) RNA preservative Storage conditions VTM

摘要:
Surveillance of wild birds is critical in monitoring for highly pathogenic avian influenza A viruses (ATVs). However, a successful surveillance regime requires proper treatment of samples in the field - rapid placement of samples in -80 degrees C and subsequent maintenance of cold-chain. Given the logistical difficulties of this, many avian taxa and/or geographic locations are not sampled, or, when sampled may result in false negatives due to poor sample treatment in the field. Here, we assessed the utility of RNAlater (R) as a stabilization agent for AIV sampling. We found no difference in real time PCR performance between virus transport media at optimal conditions and RNAlater (R) at -80 degrees C, -20 degrees C, 4 degrees C or room temperature up to two weeks, at either low or high virus load. Not only was RNAlater (R) useful in comparison of spiked samples or those from duck experiments, it was employed successfully in a field study of backyard birds in China. We detected AIV in cloacal and oropharyngeal samples from chickens and a sample with a low Cq was successfully subtyped as H9, although sample storage conditions were suboptimal. Thus, despite limitations in downstream characterization such virus isolation and typing, RNAlater (R) is a viable option for AIV sampling under logistically challenging circumstances.

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出版当年[2017]版:
大类 | 4 区 医学
小类 | 4 区 生化研究方法 4 区 生物工程与应用微生物 4 区 病毒学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 生化研究方法 4 区 生物工程与应用微生物 4 区 病毒学
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出版当年[2016]版:
Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q4 BIOCHEMICAL RESEARCH METHODS Q4 VIROLOGY
最新[2024]版:
Q4 BIOCHEMICAL RESEARCH METHODS Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q4 VIROLOGY

影响因子: 最新[2024版] 最新五年平均 出版当年[2016版] 出版当年五年平均 出版前一年[2015版] 出版后一年[2017版]

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第一作者机构: [a]Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden [f]WHO Collaborating Centre for Reference and Research on Influenza, at The Peter Doherty Institute for Infection and Immunity, 792 Elizabeth Street, Melbourne, Victoria, 3000, Australia.
通讯作者:
通讯机构: [a]Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden [e]Section for Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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