One of the Drosophila montana hsp70 genes was cloned and sequenced. Its 3'-flanking sequence proved to harbor a fragment of the SGM mobile element. The element was also found in the hsp70 3'-flanking region of and other species of the species group. A reorganization of the cluster with the involvement of full-length SGM was found in a strain. It was assumed that the presence of SGM in the cluster is conserved among species of the group and that SGM played a role in evolutionarily rearrangements of the cluster. [PUBLICATION ABSTRACT]
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