Evidence of two mitochondrial lineages and genetic variability in forensically important Lucilia eximia (Diptera: Calliphoridae) in Colombia
Artículo de revista
2023
Oxford University Press
Lucilia eximia (Wiedemann, 1819) (Diptera: Calliphoridae) is a blowfly with medical and forensic importance
that shows genetic and color variation, however, these variations have not justified the description of new
species. But in forensic entomology an accurate identification of species and subpopulations is crucial. We
explored the genetic variation of L. eximia from eight localities, in five natural regions in Colombia using two
mitochondrial fragments, including the standard locus for insect identification COI and the Cytb-tRNA-Ser-ND1
region. We found significant differentiation at COI and Cytb-tRNA-Ser-ND1 level, characterizing two lineages
and revealing a deep and significant genetic split. High values of FST and genetic distances supported the two
lineages. The origin of the divergence of L. eximia remains to discover. Examining whether the lineages have
diverse ecological and biological behaviors could be a significant impact on the use of L. eximia in forensic
and medical science. Our results could have relevant implications for the use of post-mortem interval estimation based on insect evidence, as well as our sequences improve the database used in DNA-based methods for
identifying forensically important flies.
Key words: forensic entomology, lineages, COI, Cytb-tRNA-Ser-ND1, variability, blowflies
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Evidence of two mitochondrial lineages and genetic variability in forensically important Lucilia eximia _Diptera-Calliphoridae_ in Colombia.pdf
Título: Evidence of two mitochondrial lineages and genetic variability in forensically important Lucilia eximia _Diptera-Calliphoridae_ in Colombia.pdf
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Título: Evidence of two mitochondrial lineages and genetic variability in forensically important Lucilia eximia _Diptera-Calliphoridae_ in Colombia.pdf
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