Techniques for noninvasive genetic monitoring of Alpine Ibex Capra ibex

• Autorzy: Hausknecht R. , Salzer K. , Filli F. , Kuehn R.
• Języki publikacji: EN

Abstrakty

EN

Noninvasive sampling is of increasing importance for the molecular genetic monitoring of wild animal populations, although reduced quality and quantity of such samples’ DNA can affect genetic data and their subsequent interpretation. Consequently, we performed a pilot study to establish a feasible approach for the genetic investigation of free-ranging Alpine ibex Capra ibex Linnaeus, 1758 populations. Establishing an ibex-specific PCR-RFLP based on Cytochrome b gene differences allowed the discrimination of noninvasive ibex samples from those of other sympatric ungulates. In addition, we established a quantitative PCR for ibex samples. The quantification of 35 faecal samples clearly exhibited a strong variability of DNA contents among samples and individuals. Furthermore, we performed threefold genotyping experiments on six microsatellite loci to determine the extent of genotyping errors in reference to blood samples of the respective individuals. The analyses exhibited a strong dependence of erroneous microsatellite genotypes on the starting amount of template DNA. Variability in reliability was observed between individual loci, resulting in a mandatory high DNA concentration necessary for consistent genotyping. This study serves as basis for further ibex research and we propose the application of DNA quantification of faecal samples to focus genotyping efforts solely on suitable samples.

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2009
• Tom: 54
• Numer: 3
• Opis fizyczny: p.277-287,fig.,ref.

Twórcy

autor

Hausknecht R.

• Technische Universitat Munchen, Am Hochanger 13, D-85354 Freising, Germany

autor

Salzer K.

autor

Filli F.

autor

Kuehn R.

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