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. 1997 Sep 5;277(5331):1518-23.
doi: 10.1126/science.277.5331.1518.

Dynamic molecular combing: stretching the whole human genome for high-resolution studies

X Michalet  1 , R Ekong, F Fougerousse, S Rousseaux, C Schurra, N Hornigold, M van Slegtenhorst, J Wolfe, S Povey, J S Beckmann, A Bensimon
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Dynamic molecular combing: stretching the whole human genome for high-resolution studies

X Michalet et al. Science. .

Abstract

DNA in amounts representative of hundreds of eukaryotic genomes was extended on silanized surfaces by dynamic molecular combing. The precise measurement of hybridized DNA probes was achieved directly without requiring normalization. This approach was validated with the high-resolution mapping of cosmid contigs on a yeast artificial chromosome (YAC) within yeast genomic DNA. It was extended to human genomic DNA for precise measurements ranging from 7 to 150 kilobases, of gaps within a contig, and of microdeletions in the tuberous sclerosis 2 gene on patients' DNA. The simplicity, reproducibility, and precision of this approach makes it a powerful tool for a variety of genomic studies.

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