Mapping mutations in genes encoding the two large subunits of Drosophila RNA polymerase II defines domains essential for basic transcription functions and for proper expression of developmental genes.

Abstract excerpt

We have mapped a number of mutations at the DNA sequence level in genes encoding the largest (RpII215) and second-largest (RpII140) subunits of Drosophila melanogaster RNA polymerase II. Using polymerase chain reaction (PCR) amplification and single-strand conformation polymorphism (SSCP) analysis, we detected 12 mutations from 14 mutant alleles (86%) as mobility shifts in nondenaturing gel electrophoresis, thus...

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