Relative level of CRL and CaLCuV transcripts. a, Relative level of CLR transcript in virus-, mock- and not-inoculated wild-type Arabidopsis plants at different dpi, measured by real-time RT-PCR. b, Relative level of CaLCuV in virus-inoculated wild-type Arabidopsis plants at different dpi. Each bar corresponds to the mean value from leaves of five plants. Standard deviation is also included.