A mariner-like element with a 5’ lesion in Drosophila simulans

Author： Ogura Keiji   Yamamoto Masa-Toshi  

Publisher： Springer Publishing Company

ISSN： 0016-6707

Source： Genetica, Vol.119, Iss.3, 2003-11, pp. : 229-235

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Abstract

The unstable white-S2 (wS2) allele of the white gene occurred spontaneously in the S2 strain of Drosophila simulans. This mutation was caused by insertion of the submariner element, a mariner-like element with an abnormal tandem duplication of the 5’ inverted terminal repeat (ITR). Although it has an incomplete ITR, submariner excises efficiently. The rate of somatic reversion, estimated by the number of eye-color mosaic flies, was 79.9%, and the reversion frequency in the germline was 0.6%. The change to the 5’ ITR contributes to make this transposon precise excision.

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