Article
Complex alterations of the ribosomal gene spacers in mutant sc8 of Drosophila melanogaster.
Chromosoma - 1 Nov 1997
Markova B A, Mironova R S, Grantcharova M L, Georgiev O G, Semionov E P
Abstract excerpt
Extreme changes in the proportions of the rDNA intergenic spacers (IGSs) have previously been demonstrated by us in the X-chromosomal rDNA array of the Drosophila melanogaster mutant sc8, where nearly all IGSs were found to be reduced in size. We have cloned different structural variants of the Xsc8 ribosomal units and mapped their spacers by restriction endonuclease analysis. Most of the IGSs exhibited complex...
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