A test of insulator interactions in Drosophila.

Abstract excerpt

Insulators are a class of elements that define independent domains of gene function. The Drosophila gypsy insulator is proposed to establish regulatory isolation by forming loop domains that constrain interactions between transcriptional control elements. This supposition is based upon the observation that insertion of a single gypsy insulator between an enhancer and promoter blocks enhancer function, while...

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