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Amplifiability of mitochondrial, microsatellite and amelogenin DNA loci from fecal samples of red brocket deer Mazama americana (Cetartiodactyla, Cervidae)
Universidade Estadual Paulista (UNESP)
We tried to amplify mitochondrial, microsatellite and amelogenin loci in DNA from fecal samples of a wild Mazama americana population. Fifty-two deer fecal samples were collected from a 600-ha seasonal semideciduous forest fragment in a subtropical region of Brazil (21°20′, 47°17′W), with the help of a detection dog; then, stored in ethanol and georeferenced. Among these samples 16 were classified as fresh and 36 as non-fresh. DNA was extracted using the QIAamp® DNA Stool Mini Kit. Mitochondrial loci were amplified in 49 of the 52 samples. Five microsatellite loci were amplified by PCR; success in amplification varied according to locus size and sample age. Successful amplifications were achieved in 10/16 of the fresh and in 13/36 of the non-fresh samples; a negative correlation (R = -0.82) was found between successful amplification and locus size. Amplification of the amelogenin locus was successful in 22 of the 52 samples. The difficulty of amplifying nuclear loci in DNA samples extractedfrom feces collected in the field was evident. Some methodological improvements, including collecting fresh samples, selecting primers for shorter loci and quantifying the extracted DNA by real-time PCR, are suggested to increase amplification success in future studies. © FUNPEC-RP.
Issue Date: 
Genetics and Molecular Research, v. 12, n. 1, p. 44-52, 2013.
Time Duration: 
  • Cytochrome b
  • Detection dog
  • Fecal DNA
  • Microsatellite
  • Molecular ecology
  • amelogenin
  • cytochrome b
  • cytochrome c
  • microsatellite DNA
  • mitochondrial DNA
  • molecular marker
  • 3' untranslated region
  • 5' untranslated region
  • age
  • animal experiment
  • Brazil
  • controlled study
  • cytochrome b gene
  • deer
  • DNA extraction
  • feces analysis
  • female
  • gene locus
  • genotype
  • geographic distribution
  • male
  • Mazama americana
  • nonhuman
  • real time polymerase chain reaction
  • sequence analysis
  • wild type
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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