Journal
FORENSIC SCIENCE INTERNATIONAL
Volume 133, Issue 3, Pages 235-241Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0379-0738(03)00076-8
Keywords
canine; control region; D-loop; haplotype database
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In order to make greater use of dog hairs as forensic evidence, we have developed a robust method for duplex amplification of adjacent 306 and 332 bp amplicons within the 5' hypervariable region (5' HVR) of the canine mitochondrial control region. In support of this, a 595 bp region covering 35 polymorphic sites has been sequenced from the blood of 105 UK dogs. In total, 30 different haplotypes were observed, 13 only once whilst the commonest was seen 14 times; the overall exclusion capacity is 0.929. One animal was heteroplasmic in blood for a single base deletion and showed phenotypes ranging from near complete deletion to a predominance of the base among a sample of 12 hairs. In contrast, no evidence of heteroplasmy was seen in single hairs from 20 dogs which were not visibly heteroplasmic in blood. Phylogenetic analysis and comparisons with other published databases highlighted instances of possible recurrent mutation which may be relevant when interpreting single base differences between samples. Crown Copyright (C) 2003 Published by Elsevier Science Ireland Ltd. All rights reserved.
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