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KMID : 0357820000240010051
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Korean Journal of Legal Medicine
2000 Volume.24 No. 1 p.51 ~ p.60
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Study on DXS7132 and GATA31D10 Loci in Korean Population
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Ahn Jong-Seong
Zhang Yong-Ji
Lee Soong-Deok
Shin Chang-Ho
Lee Yoon-Seong
Lee Jung-Bin
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Abstract
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The validation study for two STR loci on X-chromosome, DXS7132 and GATA31D10, was done including allelic distribution and frequency of each allele to use these results for individual identification and paternity testing. For 496 unrelated Koreans, above two STR loci were amplified simultaneously using duplex PCR amplification method. The amplified products were analyzed by polyacrylamide gel electrophoresis followed by silver staining. In male DXS7132 locus revealed 7 different alleles ranging from 276bp to 300bp. The largest allele was consisted of 14 repetition of [TCTA] unit and took 0.3417. The allele 15 followed next as 0.3165 and allele 13 as 0.1726. In female general distribution was same except one allele, allele 18 was found additionally. The heterozygosity was 0.7706 and 23 different genotypes were found. Polymorphism information content(PIC) was 0.727. Two cases of mutation were noted in DXS7132 locusIn both male and female 7 different alleles were noted in GATA31D10 locus and the alleles ranged from 195bp to 231bp. The allele 15(199bp) took the majority of all as 0.825. The other alleles showed rather relatively low frequency. The heterozygosity was 0.2385 and 11 different genotypes were found. PIC was 0.2521, and no mutation was noted in GATA31D10 locus. Considering these two loci together, 22 different halpotype were noted.
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KEYWORD
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X-chromosome, DXS7132, GATA31D10, korean, haplotype
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