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Publication datasheet
Title:
Optimization and improvement of oligonucleotide microarray-based detection of tomato viruses and pospiviroids
Authors:
Tiberini, A.; Barba, M.
Year:
2012
Languages:
ENG, eng
Journal:
Journal of Virological Methods
Kind of publication:
Cartaceo
Location:
Editor:
Elsevier
Abstract in Italian:
Abstract in English:
Tomato (Solanum lycopersicum L.) is a vegetable crop which is affected by many viruses and several viroids, causing significant economic loss. Their detection and identification is of critical importance for plant protection and quarantine and certification programs. The potential was examined of an array based on the Combimatrix platform for the detection of 37 viruses belonging to 13 families, one of which is unassigned, together with six pospiviroid species, genus Pospiviroid, family Pospiviroidae. More than 470 oligonucleotide probes (40-mer) were selected for the microarray diagnostic technique developed in this investigation. Most of the virus probes were highly specific and were able to identify tomato viruses. Most pospiviroid probes, however, were non-specific in terms of species, but were specific at the genus level as they hybridized to members of the genus Pospiviroid. Only one probe of the Tomato apical stem viroid was species specific. The repeatability and specificity of the Combimatrix method showed that it can be considered for routine diagnostic use in suspected tomato germplasm since it detected 37 viruses and one pospiviroid at the species level and 56 pospiviroids at the genus level. The estimated cost for testing of a single tomato virus is similar to or less than the cost of using ELISA. 2012 Elsevier B.V. All rights reserved.
Link:
http://dx.doi.org/10.1016/j.jviromet.2012.05.028

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