Although the authors of these
two papers did not discuss a possible
involvement of ORE9 in cytokinin
signaling, the rounded leaves and
increased branching phenotypes observed
in max1 and max2 and the delayed
senescence in ore9 are similar to those of
plants with a mild increase in cytokinin production or sensitivity
production or sensitivity
that encodes an F-box motif protein,
named ORE9.