Mitochondrial DNA analysis of the domestic dog: Control region variation within and among breeds

Rebekah L. Gundry, Marc W. Allard, Tamyra R. Moretti, Rodney L. Honeycutt, Mark R. Wilson, Keith L. Monson, David R. Foran

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The mitochondrial DNA (mtDNA) control regions of 125 domestic dogs (Canis familiaris) encompassing 43 breeds, as well as one coyote and two wolves were sequenced and subsequently examined for sequence variation in an effort to construct a reference dog mtDNA data set for forensic analysis. Forty informative variable sites were identified that described 45 haplotypes, 29 of which were observed only once. Substantial variation was found both within and among breeds in the mtDNA derived from tissue, indicating that analysis of the mtDNA derived from dog hairs could be a valuable, discriminating piece of evidence in forensic investigations. The dog data set single nucleotide polymorphisms (SNPs) ranged from having one to six changes on a phylogenetic tree. On average, there were 1.9 character changes for each variable position on the tree. The most variable sites (with four or more changes each, listed from the most changes to the fewest) observed were 15,639 (L=6), 16,672 (L=5), 15,955 (L=4), 15,627 (L=3), 16,431 (L=3), and 16,439 (L=3). These sites were consistent with other reports on variable positions in the dog mtDNA genome. A total of 26 SNPs were chosen to best identify all major clusters in the domestic dog data set. The descriptive analyses revealed that this data set is similar to other published canine data sets and further demonstrates that this domestic dog data set is a useful resource for forensic applications. This reference data set has been compiled and validated against the published dog genetic literature with an aim to aid forensic investigations that seek to incorporate mtDNA sequences and SNPs from trace evidence such as dog hair.

Original languageEnglish (US)
Pages (from-to)562-572
Number of pages11
JournalJournal of Forensic Sciences
Volume52
Issue number3
DOIs
StatePublished - May 1 2007

Fingerprint

Mitochondrial DNA
Dogs
Single Nucleotide Polymorphism
Hair
Coyotes
Mitochondrial Genome
Datasets
Haplotypes
Canidae

Keywords

  • Canis familiaris
  • Control region
  • Domestic dog
  • Forensic science
  • Interbreed and intrabreed studies
  • Mitochondrial DNA
  • Sequence variation
  • Trace evidence

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Genetics

Cite this

Gundry, R. L., Allard, M. W., Moretti, T. R., Honeycutt, R. L., Wilson, M. R., Monson, K. L., & Foran, D. R. (2007). Mitochondrial DNA analysis of the domestic dog: Control region variation within and among breeds. Journal of Forensic Sciences, 52(3), 562-572. https://doi.org/10.1111/j.1556-4029.2007.00425.x

Mitochondrial DNA analysis of the domestic dog : Control region variation within and among breeds. / Gundry, Rebekah L.; Allard, Marc W.; Moretti, Tamyra R.; Honeycutt, Rodney L.; Wilson, Mark R.; Monson, Keith L.; Foran, David R.

In: Journal of Forensic Sciences, Vol. 52, No. 3, 01.05.2007, p. 562-572.

Research output: Contribution to journalArticle

Gundry, Rebekah L. ; Allard, Marc W. ; Moretti, Tamyra R. ; Honeycutt, Rodney L. ; Wilson, Mark R. ; Monson, Keith L. ; Foran, David R. / Mitochondrial DNA analysis of the domestic dog : Control region variation within and among breeds. In: Journal of Forensic Sciences. 2007 ; Vol. 52, No. 3. pp. 562-572.
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