The orientation of the T-DNA insert is indicated by the location of the right border (RB) and left border (LB) T-DNA sequences. Se- quencing of the RAN1/T-DNA junction reveals that the 5 31 bases of the RB are absent from this line. The T-DNA is not shown to scale. B)
21-day-old WS (right) and ran1-4 (small plant to the left of wild-type)
plants. Inset shows a magnified view of a 21-day-old ran1-4 plant.