| Literature DB >> 1846440 |
J A Han1, C M Lu, G B Brown, T A Rado.
Abstract
We have devised a general strategy for gene mapping based upon the direct amplification of a target sequence within a single microdissected Giemsa-banded chromosomal segment using the polymerase chain reaction. The usefulness of this approach was demonstrated by mapping a cloned human brain sodium channel (alpha subunit) gene sequence to chromosome 2q22-q23. When DNA from single, dissected chromosome segments 2q21-qter and 2q24-pter were used as templates, a sodium channel-specific 172-base-pair polymerase chain reaction product was obtained. This product was not synthesized when segments 2q21-pter and 2q24-qter were used. Chromosome microdissection-polymerase chain reaction is not only a simple, fast, and accurate method for gene mapping but also may offer significant advantages for other applications, such as cancer cytogenetics and linkage analysis.Entities:
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Year: 1991 PMID: 1846440 PMCID: PMC50805 DOI: 10.1073/pnas.88.2.335
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205