PROCEDURE FOR THE CLONING AND IDENTIFICATION OF Y-SPECIFIC MIDDLE REPETITIVE SEQUENCES IN DROSOPHILA-HYDEI

被引:19
作者
LIFSCHYTZ, E [1 ]
机构
[1] MRC, MOLEC BIOL LAB, CAMBRIDGE CB2 2QH, ENGLAND
关键词
D O I
10.1016/0022-2836(79)90534-5
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Clones of hybrid plasmids containing moderately and highly repeated sequences of Drosophila hydei exhibit positive autoradiographic signals if hybridized to labeled whole genome DNA. Such clones were screened with labeled male ( X Y) and female ( X X) DNA, and male-specific fragments were identified. Further hybridization of male-specific clones to female XX Y, and male X 0 DNAs established them as containing Y-specific moderately repeated sequences. Further verification of one particular cloned fragment as Y-specific is presented and possible applications of this procedure are briefly discussed. © 1979.
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页码:267 / 277
页数:11
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