Expression patterns for Rop2:GUS (R2P:GUS) in comparison with CaMV 35S:GUS expression. A through D, R2P:GUS; E through G, 35S:GUS. A and E, GUS expression patterns in 10-d-old seedlings. B, R2P:GUS expression patterns in roots. C and F, GUS in young pollinated siliques. D and G, GUS expression in floral buds.