supported by grants from the National Natural Science Foundation of China to Y.Q.W.(31972235)and to X.P.Z.(31720103914)。
Betasatellites(DNAβ)are circular ssDNA molecules that are associated with monopartite geminiviruses and exert a positive effect on the viral infection.Betasatellites encode one protein,namedβC1,on the complementary ...