Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus

A SYBR Green I based one-step real-time reverse transcriptase polymerase chain reaction was developed for the detection and differentiation of very virulent (vv) and classical strains of infectious bursal disease virus (IBDV). The assay showed high PCR efficiency >93% and high reproducibility w...

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Main Authors: Lih, Ling Kong, Omar, Abdul Rahman, Bejo, Mohd Hair, Ideris, Aini, Tan, Sheau Wei
Format: Article
Language:English
English
Published: Elsevier 2009
Online Access:http://psasir.upm.edu.my/id/eprint/6338/1/Development%20of%20SYBR%20green%20I%20based%20one.pdf
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author Lih, Ling Kong
Omar, Abdul Rahman
Bejo, Mohd Hair
Ideris, Aini
Tan, Sheau Wei
author_facet Lih, Ling Kong
Omar, Abdul Rahman
Bejo, Mohd Hair
Ideris, Aini
Tan, Sheau Wei
author_sort Lih, Ling Kong
collection UPM
description A SYBR Green I based one-step real-time reverse transcriptase polymerase chain reaction was developed for the detection and differentiation of very virulent (vv) and classical strains of infectious bursal disease virus (IBDV). The assay showed high PCR efficiency >93% and high reproducibility with coefficient of variation less than 0.5%.Whentested on characterized IBDVstrains, the very virulent and classical-specific primers detected accurately only vvIBDV and classical IBDV strains, respectively. The diagnostic efficacy of the assay was also tested on 140 bursal samples from experimental infection and 37 bursal samples from cases suspected of IBD. The assay was able to detect IBDV from bursal samples collected at days 3 and 5 post-infection with the vvIBDV strain UPM94/273 and the classical IBDV strain D78. The assay was also able to detect bursal samples infected dually with D78 and UPM94/273. The melting temperature values of the amplification products from the classical and very virulent viral infection were statistically significant (P < 0.05). The specificity of the assay for detecting IBDV from suspected cases was confirmed by sequence analysis of the VP2 gene. The assay showed high sensitivity since bursal samples whichwere negative for IBDV were confirmed by virus isolation and PCR amplification. Hence, the new assay offers an attractive method for rapid detection of strains of IBDV.
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spelling upm.eprints-63382015-10-05T04:45:16Z http://psasir.upm.edu.my/id/eprint/6338/ Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus Lih, Ling Kong Omar, Abdul Rahman Bejo, Mohd Hair Ideris, Aini Tan, Sheau Wei A SYBR Green I based one-step real-time reverse transcriptase polymerase chain reaction was developed for the detection and differentiation of very virulent (vv) and classical strains of infectious bursal disease virus (IBDV). The assay showed high PCR efficiency >93% and high reproducibility with coefficient of variation less than 0.5%.Whentested on characterized IBDVstrains, the very virulent and classical-specific primers detected accurately only vvIBDV and classical IBDV strains, respectively. The diagnostic efficacy of the assay was also tested on 140 bursal samples from experimental infection and 37 bursal samples from cases suspected of IBD. The assay was able to detect IBDV from bursal samples collected at days 3 and 5 post-infection with the vvIBDV strain UPM94/273 and the classical IBDV strain D78. The assay was also able to detect bursal samples infected dually with D78 and UPM94/273. The melting temperature values of the amplification products from the classical and very virulent viral infection were statistically significant (P < 0.05). The specificity of the assay for detecting IBDV from suspected cases was confirmed by sequence analysis of the VP2 gene. The assay showed high sensitivity since bursal samples whichwere negative for IBDV were confirmed by virus isolation and PCR amplification. Hence, the new assay offers an attractive method for rapid detection of strains of IBDV. Elsevier 2009-11 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/6338/1/Development%20of%20SYBR%20green%20I%20based%20one.pdf Lih, Ling Kong and Omar, Abdul Rahman and Bejo, Mohd Hair and Ideris, Aini and Tan, Sheau Wei (2009) Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus. Journal of Virological Methods, 161 (2). pp. 271-279. ISSN 0166-0934 http://dx.doi.org/10.1016/j.jviromet.2009.06.023 10.1016/j.jviromet.2009.06.023 English
spellingShingle Lih, Ling Kong
Omar, Abdul Rahman
Bejo, Mohd Hair
Ideris, Aini
Tan, Sheau Wei
Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title_full Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title_fullStr Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title_full_unstemmed Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title_short Development of SYBR green I based one-step real-time RT-PCR assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
title_sort development of sybr green i based one step real time rt pcr assay for the detection and differentiation of very virulent and classical strains of infectious bursal disease virus
url http://psasir.upm.edu.my/id/eprint/6338/1/Development%20of%20SYBR%20green%20I%20based%20one.pdf
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