The present invention relates to regulatory sequences. In particular, the invention relates to a regulatory nucleic acid molecule, at least part of which has a transcription initiation function directing expression of an operably associated protein encoding polynucleotide of interest to non-tassel tissue in maize, but not or substantially not to tassel.The invention further relates to chimeric genes and expression cassettes comprising the regulatory nucleic acid molecule and to transgenic plants comprising the chimeric genes and expression cassettes.