Cytochrome b or cytochrome c oxidase subunit I for mammalian species identification—An answer to the debate

Shanan S. Tobe, Andrew Kitchener, Adrian Linacre

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Species identification for forensic purposes is being increasingly used, as the value of non-human evidence is realized. This requires the identification of the species before individual analysis can take place. Traditionally the cytochrome b (cyt b) gene was used for species identification, but in 2003 the cytochrome c oxidase subunit 1 (CO1) gene was introduced under the terminology ‘barcoding’. This started an ongoing debate as to which gene offers the best template for species identification (high inter-species variability and low intra-species variation). Sequence data from 236 mammals were compared with multiple sequence alignments for a large number of human, cow and dog samples. Comparisons were made based on the number of inter-species variations between the different species and the intra-species variation between members of the same species.

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Cytochromes b
Electron Transport Complex IV
Genes
Sequence Alignment
Terminology
Mammals
Dogs

Keywords

  • species identification
  • mammals
  • cytochrome b gene
  • inter-species variation

Cite this

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title = "Cytochrome b or cytochrome c oxidase subunit I for mammalian species identification—An answer to the debate",
abstract = "Species identification for forensic purposes is being increasingly used, as the value of non-human evidence is realized. This requires the identification of the species before individual analysis can take place. Traditionally the cytochrome b (cyt b) gene was used for species identification, but in 2003 the cytochrome c oxidase subunit 1 (CO1) gene was introduced under the terminology ‘barcoding’. This started an ongoing debate as to which gene offers the best template for species identification (high inter-species variability and low intra-species variation). Sequence data from 236 mammals were compared with multiple sequence alignments for a large number of human, cow and dog samples. Comparisons were made based on the number of inter-species variations between the different species and the intra-species variation between members of the same species.",
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Cytochrome b or cytochrome c oxidase subunit I for mammalian species identification—An answer to the debate. / Tobe, Shanan S.; Kitchener, Andrew; Linacre, Adrian.

In: Forensic Science International: Genetics Supplement Series, Vol. 2, No. 1, 12.2009, p. 306-307.

Research output: Contribution to journalArticle

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