Interspersed repetitive element-bubble amplification of nucleic

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 911, 435 912, 435 915, 435810, 436501, 536 221, 536 231, 536 241, 536 243, 536 2431, 536 2432, 536 2433, 935 77, 935 78, 935 88, C12Q 168, C12P 1934

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055976948

ABSTRACT:
A method for amplifying a nucleic acid fragment is described. A nucleic acid having interspersed repetitive elements is cleaved and the resulting nucleic acid fragments are ligated to a bubble oligonucleotide having two double stranded portions flanking a non-complementary portion consisting of two single strands to make bubble
ucleic acid units. These units are treated with a first primer that is complementary to at least a portion of the interspersed repetitive element, and with a second primer that is complementary to at least a portion of the extension product of the first primer, that portion containing sequences complementary to one of the single strands of the bubble oligonucleotide, under conditions which produce extension products of the primers. Also described are methods for labeling the products of the amplification, methods for detecting chromosomal aberrations and other uses of the amplification products.

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