Mutation rates of 15 X chromosomal short tandem repeat markers

Toni M. Diegoli, Adrian Linacre, Moses S. Schanfield, Michael Dewitt Coble

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Though allele frequency data for a variety of X chromosomal short tandem repeat (STR) markers in a range of populations have been reported, fewer studies of mutation rates in these same markers or populations are available. In order to address possible mismatches during kinship analysis due to mutation, a robust estimate of the rate of mutation must be established. Here, mutation rates in three US populations have been determined for a total of 15 markers (DXS6789, DXS9902, DXS7132, DXS7130, DXS6795, DXS10147, DXS8378, DXS7423, HPRTB, DXS101, DXS7424, GATA31E08, GATA172D05, GATA165B12, and DXS6803). Eighteen mutations over 20,625 meioses were observed, and the overall X STR mutation rate in this study was found to be 8.73 × 10-4 (95 % CI, 5.2-13.8 × 10-4). A review of published mutation rate studies revealed similar findings in other global populations, and allowed the compilation of a combined dataset of 81,310 meioses which can be employed by the forensic community.

Original languageEnglish
Pages (from-to)579-587
Number of pages9
JournalInternational Journal of Legal Medicine
Volume128
Issue number4
DOIs
StatePublished - 1 Jan 2014

Fingerprint

Mutation Rate
Microsatellite Repeats
Meiosis
Population
Mutation
Gene Frequency

Keywords

  • Identity testing
  • Kinship testing
  • Mutation rate
  • US population
  • X chromosome

Cite this

Diegoli, Toni M. ; Linacre, Adrian ; Schanfield, Moses S. ; Coble, Michael Dewitt. / Mutation rates of 15 X chromosomal short tandem repeat markers. In: International Journal of Legal Medicine. 2014 ; Vol. 128, No. 4. pp. 579-587.
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Mutation rates of 15 X chromosomal short tandem repeat markers. / Diegoli, Toni M.; Linacre, Adrian; Schanfield, Moses S.; Coble, Michael Dewitt.

In: International Journal of Legal Medicine, Vol. 128, No. 4, 01.01.2014, p. 579-587.

Research output: Contribution to journalArticle

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