In accordance with the present invention, it has been discovered that nuclear receptor proteins isolated from the silk moth bombyx mori (bR) are useful for the regulation of transgene expression. bR is generally thought to be a strong transcriptional regulator within cells of the silk moth. In accordance...http://www.google.co.uk/patents/US6875569?utm_source=gb-gplus-sharePatent US6875569 - Modified lepidopteran receptors and hybrid multifunctional proteins for use in transcription and regulation of transgene expression