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Separation of long-range human TERT gene haplotypes by transformation-associated recombination cloning in yeast
被引:0
|作者:
Jung-Hyun Kim
Sun-Hee Leem
Yangil Sunwoo
Natalay Kouprina
机构:
[1] Laboratory of Biosystems and Cancer,Department of Biology
[2] National Cancer Institute (NIH),undefined
[3] Dong-A University,undefined
来源:
关键词:
hTERT;
VNTR;
polymorphism;
haplotypes;
TAR cloning;
D O I:
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摘要:
The hTERT gene encoding a catalytic subunit of human telomerase contains four blocks of variable number of tandem repeats (VNTRs) – two in intron 2 and two in intron 6. The segregation of hTERT VNTRs was analysed in families, revealing that all of them were transmitted through meiosis following a Mendelian inheritance. The work reports a further characterization of the minisatellites in hTERT. We employed transformation-associated recombination (TAR) cloning to isolate parental hTERT alleles and determined the specific combination of minisatellites at each of the polymorphic sites. A long-range haplotyping of hTERT determined by TAR cloning was verified by classical Mendelian analysis. Since such a strategy can be applied for any chromosomal locus, we conclude that recombinational gene capture could greatly facilitate haplotypes analysis.
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页码:2452 / 2456
页数:4
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