Total RNA in tulips was extracted by Trizol method.Primers were designed according to the sequences of Tobacco rattle virus and 18S rRNA gene of plant.The corresponding sections were amplified by RT-PCR and the PCR pr...Total RNA in tulips was extracted by Trizol method.Primers were designed according to the sequences of Tobacco rattle virus and 18S rRNA gene of plant.The corresponding sections were amplified by RT-PCR and the PCR products were labeled by Cy3-dCTP.The probes of plant virus,18S rRNA gene and comparisons were designed and immobilized on chips.Labeled PCR products were hybridized with the probes and the signals were scanned by scanner and analyzed by GenePix Pro 4.0 software.Tobacco rattle virus was detected from tulips which were imported from Holand.The accuracy and sensitivity of the plant virus gene chip were proved.展开更多
基金Project supported by the National Basic Research Program of China(No.2009CB119000)the Genetically Modified Organisms Breeding Major Projects(No.2009ZX08009-044B)+2 种基金the Program for New Century Excellent Talents in University(No.NCET-08-0485)the Program for New Century 151Talents of Zhejiang Provincethe National Natural Science Foundation of China(No.30871608and 30771406)
文摘Total RNA in tulips was extracted by Trizol method.Primers were designed according to the sequences of Tobacco rattle virus and 18S rRNA gene of plant.The corresponding sections were amplified by RT-PCR and the PCR products were labeled by Cy3-dCTP.The probes of plant virus,18S rRNA gene and comparisons were designed and immobilized on chips.Labeled PCR products were hybridized with the probes and the signals were scanned by scanner and analyzed by GenePix Pro 4.0 software.Tobacco rattle virus was detected from tulips which were imported from Holand.The accuracy and sensitivity of the plant virus gene chip were proved.
