Distribution of RNA polymerase on Drosophila polytene chromosomes as studied by indirect immunofluorescence
- PMID: 827428
- DOI: 10.1007/BF00328484
Distribution of RNA polymerase on Drosophila polytene chromosomes as studied by indirect immunofluorescence
Abstract
Using indirect immunofluorescence visualization techniques we investigated the in situ distribution of RNA polymerase B on Drosophila melanogaster polytene chromosomes. The enzyme was found at many sites distributed throughout the genome in a pattern clearly distinct from that observed for histone H1, but it was especially concentrated in puffs induced by heat shock.
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