Cold Spring Harbor Protocols May 2008 (IMAGE)

Cold Spring Harbor Laboratory

Cold Spring Harbor Protocols May 2008

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.

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Cold Spring Harbor Laboratory Press

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