The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus

M.C. Gonsalves, M.M. Klerks, M. Verbeek, J. Vega, J.F.J.M. van den Heuvel

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)

Abstract

Sugarcane yellow leaf virus (ScYLV) is widely distributed in Brazil and other sugarcane producing countries causing significant yield losses. Due to the high incidence of the aphid vector, the virus is widespread in the field and in parental clones used in sugarcane breeding programmes. Aiming to present a sensitive and reliable detection of ScYLV, we have adapted an AmpliDet RNA system, compared it with the currently available detection methods and discussed its applicability for routine diagnosis. AmpliDet RNA consists of nucleic acid sequence-based amplification (NASBA) of the target RNA with specific primers and simultaneous real-time detection of the amplification products with molecular beacons. The results showed that the system produced a detection level of at least 100fg of purified virus. Virus was readily detected in plant tissues with low levels of infection (without the need of previous RNA extraction) and in the hemolymph of aphids. The method showed to be virus-specific, testing negative for other species of the Luteoviridae. In conclusion, the system has potential to become a diagnostic method for the detection of sugarcane viruses
Original languageEnglish
Pages (from-to)401-407
JournalEuropean Journal of Plant Pathology
Volume108
Issue number5
DOIs
Publication statusPublished - 2002

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Sugarcane yellow leaf virus
nucleic acids
viruses
RNA
sugarcane
Aphidoidea
Luteoviridae
diagnostic techniques
hemolymph
plant tissues
clones
incidence
Brazil
breeding
methodology
infection

Cite this

Gonsalves, M.C. ; Klerks, M.M. ; Verbeek, M. ; Vega, J. ; van den Heuvel, J.F.J.M. / The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus. In: European Journal of Plant Pathology. 2002 ; Vol. 108, No. 5. pp. 401-407.
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title = "The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus",
abstract = "Sugarcane yellow leaf virus (ScYLV) is widely distributed in Brazil and other sugarcane producing countries causing significant yield losses. Due to the high incidence of the aphid vector, the virus is widespread in the field and in parental clones used in sugarcane breeding programmes. Aiming to present a sensitive and reliable detection of ScYLV, we have adapted an AmpliDet RNA system, compared it with the currently available detection methods and discussed its applicability for routine diagnosis. AmpliDet RNA consists of nucleic acid sequence-based amplification (NASBA) of the target RNA with specific primers and simultaneous real-time detection of the amplification products with molecular beacons. The results showed that the system produced a detection level of at least 100fg of purified virus. Virus was readily detected in plant tissues with low levels of infection (without the need of previous RNA extraction) and in the hemolymph of aphids. The method showed to be virus-specific, testing negative for other species of the Luteoviridae. In conclusion, the system has potential to become a diagnostic method for the detection of sugarcane viruses",
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The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus. / Gonsalves, M.C.; Klerks, M.M.; Verbeek, M.; Vega, J.; van den Heuvel, J.F.J.M.

In: European Journal of Plant Pathology, Vol. 108, No. 5, 2002, p. 401-407.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus

AU - Gonsalves, M.C.

AU - Klerks, M.M.

AU - Verbeek, M.

AU - Vega, J.

AU - van den Heuvel, J.F.J.M.

PY - 2002

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AB - Sugarcane yellow leaf virus (ScYLV) is widely distributed in Brazil and other sugarcane producing countries causing significant yield losses. Due to the high incidence of the aphid vector, the virus is widespread in the field and in parental clones used in sugarcane breeding programmes. Aiming to present a sensitive and reliable detection of ScYLV, we have adapted an AmpliDet RNA system, compared it with the currently available detection methods and discussed its applicability for routine diagnosis. AmpliDet RNA consists of nucleic acid sequence-based amplification (NASBA) of the target RNA with specific primers and simultaneous real-time detection of the amplification products with molecular beacons. The results showed that the system produced a detection level of at least 100fg of purified virus. Virus was readily detected in plant tissues with low levels of infection (without the need of previous RNA extraction) and in the hemolymph of aphids. The method showed to be virus-specific, testing negative for other species of the Luteoviridae. In conclusion, the system has potential to become a diagnostic method for the detection of sugarcane viruses

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