Use of COI, CytB and ND5 genes for intra- and inter-specific differentiation of Haematobia irritans and Haematobia exigua

Vet Parasitol. 2014 Aug 29;204(3-4):439-42. doi: 10.1016/j.vetpar.2014.05.036. Epub 2014 May 29.

Abstract

A multilocus sequence analysis using mitochondria-encoded cytochrome c oxidase subunit I (COI), cytochrome B (CytB), NADH dehydrogenase subunit 5 (ND5); nuclear encoded 18S ribosomal RNA (18S) and 28S ribosomal RNA (28S) genes was performed to determine the levels of genetic variation between the closely related species Haematobia irritans Linnaeus and Haematobia exigua de Meijere. Among these five genes, ND5 and CytB genes were found to be more variable and informative in resolving the interspecific relationships of both species. In contrast, the COI gene was more valuable in inferring the intraspecific relationships. The ribosomal 18S and 28S sequences of H. irritans and H. exigua were highly conserved with limited intra- and inter-specific variation. Molecular evidence presented in this study demonstrated that both flies are genetically distinct and could be differentiated based on sequence analysis of mitochondrial genes.

Keywords: Buffalo fly; COI; CytB; Horn fly; Molecular markers; ND5.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Base Sequence
  • Cytochromes b / genetics
  • Electron Transport Complex IV / genetics
  • Genetic Variation
  • Molecular Sequence Data
  • Multilocus Sequence Typing / veterinary
  • Muscidae / enzymology*
  • Muscidae / genetics
  • NADH Dehydrogenase / genetics
  • Sequence Analysis, DNA / veterinary

Substances

  • Cytochromes b
  • NADH Dehydrogenase
  • Electron Transport Complex IV

Associated data

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