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Virologica Sinica, 10 (3) : 269, 1995
Purification and Specific Characterization of Potyvirus Helper Component
The state key library of Biology for Plant Desease and Insect Pests,Beijing 100094
Two helper components(HC)were purified with PEG precipitation and DEAE-cellulosechromatography from plants infected by tobacco etch virus(TEV)and watermelon mosaicvirus 2(WMMV-2).Bioassay results revealed that the Myzus persicae and Aphis gossypii cantransmit TEV after acquiring first TEV plus HC-TEV of HC-TEV,then TEV by parafilmmembrane method.HC encoded by WMMV-2 can assist aphids to transmit WMMV-2,butnot TEV,PAV-BYDV and tobacco mosaic virus(TMV).
  Published online: 5 Sep 1995
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