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Contact: David Crotty
crotty@cshl.edu
516-422-4007
Cold Spring Harbor Laboratory
Caption: Spread polytene chromosomes of salivary glands from a Drosophila larva were triple-stained with fluorescently tagged antibodies to Heat Shock Transcription Factor (red), RNA Polymerase II (green), and P-TEFb kinase (blue). The larva was heat shock induced for 2.5 min.
Credit: Cold Spring Harbor Laboratory Press
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Related news release: Cold Spring Harbor Protocols features classic approaches for analyzing chromosomes
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