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Volume 61, issue 4 | Copyright
Arch. Anim. Breed., 61, 405-412, 2018
https://doi.org/10.5194/aab-61-405-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Original study 29 Oct 2018

Original study | 29 Oct 2018

Evaluation of chromosomal instability in somatic cells of farmed foxes

Olga Szeleszczuk1, Magdalena Gleindek1, Anna Grzesiakowska1, Marta Kuchta-Gładysz1, and Agnieszka Otwinowska-Mindur2 Olga Szeleszczuk et al.
  • 1Department of Animal Anatomy, Institute of Veterinary Sciences, University of Agriculture in Krakow, Krakow 30-059, Poland
  • 2Department of Genetics and Animal Breeding, Faculty of Animal Science, University of Agriculture in Krakow, Krakow 30-059, Poland

Abstract. The micronucleus (MN) test is a common tool used to evaluate cellular genetic instability at the chromosomal level. It determines the effect of physical, chemical and environmental factors on DNA, and thus the body's individual resistance to harmful substances. The karyotypes of blue and silver foxes and their interspecific hybrids are characterized by morphological and structural variation. This variation is partly attributable to the presence of chromosomal polymorphism, which may significantly influence the stability of genetic material in the cells of these species. The objective of the study was to evaluate genetic material stability in selected Canidae species. To this end, analyses using the MN test were performed. Binucleated cells (BNCs) were analysed in microscopic preparations, and the number of micronuclei was determined within these cells. For the proportions of both MN and BNCs, highly significant differences were observed between the fox species. The interspecific hybrids differed from the other fox species in MN percentage. The lowest average was noted in blue foxes (3.33) and the highest in interspecific hybrids (15.21).

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The micronucleus (MN) test is a common tool used to evaluate cellular genetic instability at the chromosomal level. To evaluate genetic material stability in selected Canidae species, the MN test was performed. The interspecific hybrids differed from the other fox species in MN percentage. The chromosome polymorphism had little effect on genetic material stability in the blue and silver fox cells and significantly increases chromosomal damages in interspecific hybrids somatic cells.
The micronucleus (MN) test is a common tool used to evaluate cellular genetic instability at the...
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