The present invention relates to expression cassettes comprising
transcription regulating sequences with meristem-preferential or
meristem-specific expression profiles in plants obtainable from
Arabidopsis thaliana genes At2g02180, At5g54510, At2g26970, At2g01180,
At3g45560, At4g00580, At1g54480, or At4g11490, or the Arabidopsis
thaliana genomic sequences as described by SEQ ID NO: 35 or 36.