sentence: Strikingly , both xrn4 – 5 and xrn4 – 6 seedlings that were transferred from N-starvation to N-replete media ( N resupply conditions ) displayed dramatic reductions ( between 50 % and 60 % ) in the overall number of LR compared to the WT and the complemented line of xrn4 – 5 ( Figure 7A and B ) across multiple biological replicates .