Helper component for aphid transmission encoded by region II of cauliflower mosaic virus DNA
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A deletion mutant of cauliflower mosaic virus (CaMV) isolate NY8153 deficient in aphid transmissibility was constructed by BAL-31 exonuclease treatment of XhoI linearized pCMS31 (a plasmid containing the entire CaMV genome cloned in the SalI site of pBR322), f... ...
