Rapid detection of tobacco viruses by reverse transcription loop-mediated isothermal amplification

Rapid detection of tobacco viruses by reverse transcription loop-mediated isothermal amplification Tobacco viruses may cause a wide range of diseases that heavily reduce tobacco quality and yield worldwide. In order to detect viral diseases in tobacco fields, a one-step reverse transcription loop-mediated isothermal amplification (RT-LAMP) method was established. Nucleotide amplification could be observed clearly after adding SYBR Green I, within 60 min under isothermal conditions, at 63-65 °C with a set of primers targeting the viral coat protein (CP) genes of tobacco viruses including cucumber mosaic virus (CMV), potato virus Y (PVY), tobacco etch virus (TEV), tobacco mosaic virus (TMV) and tobacco vein banding mosaic virus (TVBMV). This method has high specificity and sensitivity. The sensitivity of the RT-LAMP was 10 to 100 times higher than that of the conventional RT-PCR method. The RT-LAMP assay was proven reliable for virus diagnosis of tobacco samples from the field. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Rapid detection of tobacco viruses by reverse transcription loop-mediated isothermal amplification

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Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Infectious Diseases; Medical Microbiology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-012-1441-5
Publisher site
See Article on Publisher Site

Abstract

Tobacco viruses may cause a wide range of diseases that heavily reduce tobacco quality and yield worldwide. In order to detect viral diseases in tobacco fields, a one-step reverse transcription loop-mediated isothermal amplification (RT-LAMP) method was established. Nucleotide amplification could be observed clearly after adding SYBR Green I, within 60 min under isothermal conditions, at 63-65 °C with a set of primers targeting the viral coat protein (CP) genes of tobacco viruses including cucumber mosaic virus (CMV), potato virus Y (PVY), tobacco etch virus (TEV), tobacco mosaic virus (TMV) and tobacco vein banding mosaic virus (TVBMV). This method has high specificity and sensitivity. The sensitivity of the RT-LAMP was 10 to 100 times higher than that of the conventional RT-PCR method. The RT-LAMP assay was proven reliable for virus diagnosis of tobacco samples from the field.

Journal

Archives of VirologySpringer Journals

Published: Dec 1, 2012

References

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