New molecular methods for identification of Broad bean wilt virus 1

New molecular methods for identification of Broad bean wilt virus 1 Broad bean wilt virus 1 (BBWV-1) causes damages in economically important plant crops such as pepper, bean, spinach, etc. Fast, cheap and reliable diagnostic tools are crucial to limit or control the disease. In this work, tissue blot immunoassay (TBIA), dot-blot (DB) and tissue-print (TP)-hybridization were developed for BBWV-1 diagnosis and evaluated for sensitivity, specificity and reliability in plants of several host species grown in the greenhouse or in the field, in comparison with ELISA and RT-PCR. RT-PCR followed by DB-hybridization provided the most sensitive and efficient diagnostic, but the virus was also detected in most samples by ELISA. Detection by TBIA or by TP-hybridization avoided sample processing, but they were less consistent and greatly depended on host species and tissue. DB-hybridization with probes corresponding to different genomic regions allowed universal detection of BBWV-1 and discrimination between genetically distant isolates. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular and Cellular Probes Elsevier

New molecular methods for identification of Broad bean wilt virus 1

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Publisher
Elsevier
Copyright
Copyright © 2008 Elsevier Ltd
ISSN
0890-8508
D.O.I.
10.1016/j.mcp.2008.02.004
Publisher site
See Article on Publisher Site

Abstract

Broad bean wilt virus 1 (BBWV-1) causes damages in economically important plant crops such as pepper, bean, spinach, etc. Fast, cheap and reliable diagnostic tools are crucial to limit or control the disease. In this work, tissue blot immunoassay (TBIA), dot-blot (DB) and tissue-print (TP)-hybridization were developed for BBWV-1 diagnosis and evaluated for sensitivity, specificity and reliability in plants of several host species grown in the greenhouse or in the field, in comparison with ELISA and RT-PCR. RT-PCR followed by DB-hybridization provided the most sensitive and efficient diagnostic, but the virus was also detected in most samples by ELISA. Detection by TBIA or by TP-hybridization avoided sample processing, but they were less consistent and greatly depended on host species and tissue. DB-hybridization with probes corresponding to different genomic regions allowed universal detection of BBWV-1 and discrimination between genetically distant isolates.

Journal

Molecular and Cellular ProbesElsevier

Published: Aug 1, 2008

References

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