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. 1979 Feb;17(1-2):97-104.
doi: 10.1007/BF00484476.

Enumeration of drosophila form II DNA-dependent RNA polymerase initiation sites on Drosophila DNA

J P Phillips

Enumeration of drosophila form II DNA-dependent RNA polymerase initiation sites on Drosophila DNA

J P Phillips. Biochem Genet. 1979 Feb.

Abstract

The in vitro incorporation of gamma-32P-labeled nucleoside triphosphates into RNA by Drosophila melanogaster form II RNA polymerase from template sites which afford protection from the initiation inhibitor, polyriboinosinic acid (poly [I]), is used as a method for enumerating a specific class of transcription initiation sites on D. melanogaster DNA. Such sites number about 4000 per haploid genome for D. melanogaster. This value is in good agreement with the number of functional genetic units in the D. melanogaster genome as determined by classical cytogenetics.

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