Polar auxin transport regulates initial auxin patterning and polar nuclear migration during lateral root initiation
In Arabidopsis thaliana, local auxin accumulation in xylem-pole pericycle (XPP) cells specifies lateral root founder cells, which establish de novo cell polarity manifested by polar nuclear migration and subsequent asymmetric division. Here, we developed a fast-maturing, XPP/early lateral root primordium (LRP)-specific...