Transformation mapping of the regulatory elements of the ecdysone-inducible P1 gene of Drosophila melanogaster.

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RESUMO

The transcription of the P1 gene is induced by 20-hydroxyecdysone in fat bodies of third-instar larvae. Germ line transformation showed that sequences between -138 to +276 contain elements required for a qualitatively correct developmental and hormonal regulation of P1 transcription. Sequences from -138 to -68 are essential for this expression.

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