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Variable Number of Tandem Repeat (VNTR) Markers for Human Gene Mapping

Nakamura, Yusuke, Leppert, Mark, O'Connell, Peter, Wolff, Roger, Holm, Tom, Culver, Melanie, Martin, Cindy, Fujimoto, Esther, Hoff, Mark, Kumlin, Erika, White, Ray·1987·Science

Abstract

A large collection of good genetic markers is needed to map the genes that cause human genetic diseases. Although nearly 400 polymorphic DNA markers for human chromosomes have been described, the majority have only two alleles and are thus uninformative for analysis of genetic linkage in many families. A few known marker systems, however, detect loci that respond to restriction enzyme cleavage by producing a fragment that can have many different lengths. This polymorphism is due to variation in the number of tandem repeats of a short DNA sequence. Because most individuals will be heterozygous at such loci, these markers will provide linkage information in almost all families. Ten oligomeric sequences derived from the tandem repeat regions of the myoglobin gene, the zeta-globin pseudogene, the insulin gene, and the X-gene region of hepatitis B virus, were used to develop a series of single-copy probes. These probes revealed new, highly polymorphic genetic loci whose allele sizes reflected variation in the number of tandem repeats.

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Authors
Nakamura, Y., Leppert, M., O'Connell, P., Wolff, R., Holm, T., Culver, M., Martin, C., Fujimoto, E., Hoff, M., Kumlin, E., & White, R.
Venue
Science
Published
1987-03-27
Volume
235
Issue
4796
Pages
1616-1622
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2087184465
Cited by
1,654
References
0
FWCI
81.50
Type
journal article
Language
en
Open access
closed

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