Reverse transcription loop-mediated isothermal amplification of DNA for detection of Barley yellow dwarf viruses in China
文献类型: 外文期刊
第一作者: Zhao, Kun
作者: Zhao, Kun;Liu, Yan;Wang, Xifeng
作者机构:
关键词: Barley/cereal yellow dwarf viruses (BYDV/CYDVs);Primer;Reverse transcription (RT);Loop-mediated isothermal amplification (LAMP)
期刊名称:JOURNAL OF VIROLOGICAL METHODS ( 影响因子:2.014; 五年影响因子:2.001 )
ISSN: 0166-0934
年卷期: 2010 年 169 卷 1 期
页码:
收录情况: SCI
摘要: A reverse transcription loop-mediated isothermal amplification of DNA (RT-LAMP) for detection of Barley yellow dwarf viruses (BYDVs) was developed. In this procedure, three sets of four primers matching a total of six sequences of the coat protein or read-through protein genes of BYDVs - one each for three species, namely BYDV-GAV, -GPV and -PAV were synthesized for developing a specific and sensitive RT-LAMP assay for total RNA extracts from field-infected wheat plants in such a way that a loop could be formed and elongated during DNA amplification. RT-LAMP assays for each of three species of BYDV/CYDVs in China exhibited high specificity and could detect viral sequences in total RNA extracts from infected oat tissues at dilutions of 1 x 10(-5). All field samples collected from different regions of China showed the same result using both RT-LAMP and RT-PCR. This relatively simple and sensitive technique showed excellent potential with field-collected samples and for use in grassroots agencies in developing countries with limited resources. (C) 2010 Elsevier B.V. All rights reserved.
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