The present invention relates to the regulation of polynucleotide
transcription and/or expression. In particular, this invention relates to
polynucleotide regulatory sequences isolated from Eucalyptus grandis and
Pinus radiata that are capable of conferring vascular-preferred
polynucleotide transcription in plant cells. Constructs and methods for
using the inventive regulatory sequences for modifying transcription of
endogenous and/or heterologous polynucleotides also are included in the
invention.