University of Illinois at Urbana-Champaign

Image of the Week - 04 March 2003

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Immunogold-labeled Drosophila Polythene Chromosome

Transmission electron micrograph of a fragment of the Drosophila polythene chromosome. The chromosome bears a transgenic construct with a Lac-operator repeat array that has been made visible by immunogold staining for Lac-repressor protein. The section is 80 nm thick.

Image Courtesy: Igor Kireev, Department of Cell & Structural Biology

Contact: ikireev@life.uiuc.edu

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