Extended Data Fig. 6: Overexpression of CRY1 or CRY2 leads to enhanced tolerance to DNA damage induced by UV-C irradiation in blue light.

a-d, Plant growth assays (a, c) and relative plant fresh weight analyses (b, d) showing that overexpression of CRY1 or CRY2 results in enhanced tolerance to UV-C treatment under blue light (a, b), but not under red light (c, d). Seven-day-old red light (100 μmol/m2/s) -grown seedlings were irradiated with UV-C (4.5 kJ/m2) once a day for 3 d and then grown in blue light (30 μmol/m2/s) or red light (30 μmol/m2/s) for 5 d before they were photographed (a, c) and their relative plant fresh weights were analyzed (b, d). Plants were randomly collected into a pool of 15 individuals for plant fresh weight measurement. Relative weight was calculated by comparing with untreated WT and mutants respectively. The relative fresh weight is presented as mean ± SD (n = 4) (b) or (n = 3) (d). ns, no statistical significance, **P < 0.01, ****P < 0.0001 (One-way ANOVA, Tukey’s multiple comparisons test).