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Reverse transcription intermediate forms (minus and plus strong-stop DNA) are detected in Drosophila melanogaster cultured cells for mobile dispersed genetic elements mdg1, mdg3, and mdg4 (gypsy). The mdg elements studied possess a common mechanism of reverse transcription, despite their structural differences, and the comparative analysis of intermediate(More)
Extrachromosomal supercoiled circular copies of mobile dispersed genetic elements mdg1, mdg3 and copia have been isolated from 67J25D and Kc lines of cultured Drosophila melanogaster cells. With the exception of the copia element in the line Kc, all circular molecules contain only one long terminal repeat. Both whole-length circular copies and molecules(More)
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