Fig. 8

ClRPSA-2 positively regulates a broad-spectrum resistance to citrus viruses. a–d The citrus psorosis virus, citrus tristeza virus, citrus chlorotic dwarf-associated virus, and citrus tatter-leaf virus titers were detected by real-time quantitative PCR analysis at 6 days post infiltration of pNmGFPer:ClRPSA-2 and TRV:ClRPSA-2. Actin was an internal reference gene, t-test, data are mean ± SD, n = 9, ** P < 0.01, *** P < 0.001, **** P < 0.0001