title: Association of a Drosophila transposable element of the roo family with chromosomal deletion breakpoints.
abstract: A 9.3 kb transposable element of the roo family has been found inserted 3' to the Sgs-4 glue protein gene of Drosophila. The X chromosome which carries this insert also carries wDZL, a dominant, unstable allele of the white locus caused by the insertion of the 13 kb wDZL element. Three deletions isolated from the wDZL strain have molecular breakpoints 3' to Sgs-4 that are associated with the roo element. Though the deletions eliminate much of the DNA between white and Sgs-4, none of the distal breakpoints fall at or near the wDZL element. The results suggest that this copia-like element, which is structurally similar to an integrated retrovirus, is capable of promoting chromosomal deletions.
mesh_terms: D000483:Alleles; D000818:Animals; D001483:Base Sequence; D002872:Chromosome Deletion; D003001:Cloning, Molecular; D004247:DNA / Q000032:analysis / Q000235:genetics; D004262:DNA Restriction Enzymes; D004251:DNA Transposable Elements; D004330:Drosophila / Q000235:genetics*; D005796:Genes; D013045:Species Specificity
chemical_list: D004251:DNA Transposable Elements; D004247:DNA; D004262:DNA Restriction Enzymes