Abstract
The competition between two satellite RNAs of cucumber mosaic virus (CMV) in inoculated tomato seedlings or in electroporated tomato protoplasts was examined using semidenaturing polyacrylamide gel electrophoresis and northern hybridization. Analysis of total nucleic acid extracts revealed that in infections with two simultaneously inoculated satellite RNAs, or in infections where the more virulent satellite was inoculated at a later time, the amount of the two satellite RNAs that accumulated differed. The amount of accumulation depended on the concentration of each satellite RNA in the inoculum and the length of time between inoculations (.)
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