|Citation||Duttaroy, A., McCarron, M., Sitaraman, K., Doughty, G., Chovnick, A. (1990). The relationship between P elements and male recombination in Drosophila melanogaster. Genetics 124(): 317--329. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||P element dysgenesis associated male recombination in Drosophila was examined with a selective system focused upon 5% of the standard female genetic map divided into eight recombination segments. We found no correspondence between P element mobilization events and recombination in males in the intervals monitored. We defined two adjacent short genetic and molecular regions, one devoid of male recombination and the other acting as a "hot spot" for exchange in the absence of supporting P element insertion and excision activity. These data suggest that, even in the presence of mobilizing P elements, transposase may be active at non-P element sites, and that the genome may harbor sequences ranging from highly responsive to completely unresponsive to transposase action. A viewpoint is presented wherein P elements, with sequences that bind transposase, serve to focus the recombination action of transposase to encompass a region of DNA radiating outward from the initial binding site. We suggest that this region is measured in terms of chromosomal segments rather than limited to P element sequences.|
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|Language of Publication||English|
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|Also Published As|
|Data from Reference|
|Natural transposons (1)|