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Development of a polyprobe for the simultaneous detection of four grapevine viroids in grapevine plants

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Abstract

This study aimed to develop a polyprobe for the simultaneous detection of four viroids that infect grapevine: Hop stunt viroid (HSVd), Australian grapevine viroid (AGVd), Grapevine yellow speckle viroid-1 and 2 (GYSVd-1, 2), using a non-isotopic dot blot hybridization technique. A polyprobe was constructed by cloning tandem full-length sequences of HSVd, AGVd and GYSVd-1 into a single vector. The cRNA polyprobe detected all four viroids with similar sensitivity to that obtained using individual probes. In addition, samples of 78 varieties from Beijing and Xinjiang were analyzed using the polyprobe to survey the incidence of grapevine viroids in China. The result demonstrated that grapevine viroids were detected in 56 (71.8%) varieties. In this study, a rapid, reliable and cost-effective approach to the simultaneous detection of four grapevine viroids has been developed which has the potential for routine use in quarantine and certification programs.

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Abbreviations

AGVd:

Australian grapevine viroid

CCR:

Central conserved region

CEVd:

Citrus exotic viroid

CTAB:

Cetyltrimethylammonium bromide

EDTA:

Ethylenediaminetetraacetic acid

EGME:

Ethylene glycol monomethyl ether

GYSVd-1, 2:

Grapevine yellow speckle viroid 1 and 2

HSVd:

Hop stunt viroid

LAMP:

Loop-mediated isothermal PCR

nt:

Nucleotide

PAGE:

Polyacrylamide gel electrophoresis

PVP-40:

Polyvinylpyrrolidone-40

RT-PCR:

Reverse transcriptase polymerase chain reaction

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Acknowledgements

This study was supported by grants from the National Basic Research and Development Program of China (973 Program) (No. 2009CB119200), and National Natural Science Foundation OF China (31071765).

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Correspondence to Shifang Li.

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Zhang, Z., Peng, S., Jiang, D. et al. Development of a polyprobe for the simultaneous detection of four grapevine viroids in grapevine plants. Eur J Plant Pathol 132, 9–16 (2012). https://doi.org/10.1007/s10658-011-9856-5

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  • DOI: https://doi.org/10.1007/s10658-011-9856-5

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