Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes

In this study we assessed the level of genetic introgression between red foxes bred on fur farms in Poland and the native wild population. We also evaluated the impact of a geographic barrier and isolation by distance on gene flow between two isolated subpopulations of the native red fox and their g...

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Main Authors: Heliodor Wierzbicki, Magdalena Zatoń-Dobrowolska, Anna Mucha, Magdalena Moska
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/12/5/637
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author Heliodor Wierzbicki
Magdalena Zatoń-Dobrowolska
Anna Mucha
Magdalena Moska
author_facet Heliodor Wierzbicki
Magdalena Zatoń-Dobrowolska
Anna Mucha
Magdalena Moska
author_sort Heliodor Wierzbicki
collection DOAJ
description In this study we assessed the level of genetic introgression between red foxes bred on fur farms in Poland and the native wild population. We also evaluated the impact of a geographic barrier and isolation by distance on gene flow between two isolated subpopulations of the native red fox and their genetic differentiation. Nuclear and mitochondrial DNA was collected from a total of 308 individuals (200 farm and 108 wild red foxes) to study non-native allele flow from farm into wild red fox populations. Genetic structure analyses performed using 24 autosomal microsatellites showed two genetic clusters as being the most probable number of distinct populations. No strong admixture signals between farm and wild red foxes were detected, and significant genetic differentiation was identified between the two groups. This was also apparent from the mtDNA analysis. None of the concatenated haplotypes detected in farm foxes was found in wild animals. The consequence of this was that the haplotype network displayed two genetically distinct groups: farm foxes were completely separated from native ones. Neither the River Vistula nor isolation by distance had a significant impact on gene flow between the separated wild red fox subpopulations. The results of our research indicate a low probability of genetic introgression between farm and native red foxes, and no threat to the genetic integrity of this species.
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spelling doaj.art-cf6cfd157a83468681720de195206b7f2023-11-21T17:03:20ZengMDPI AGGenes2073-44252021-04-0112563710.3390/genes12050637Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red FoxesHeliodor Wierzbicki0Magdalena Zatoń-Dobrowolska1Anna Mucha2Magdalena Moska3Department of Genetics, Wrocław University of Environmental and Life Sciences, 51-631 Wrocław, PolandDepartment of Genetics, Wrocław University of Environmental and Life Sciences, 51-631 Wrocław, PolandDepartment of Genetics, Wrocław University of Environmental and Life Sciences, 51-631 Wrocław, PolandDepartment of Genetics, Wrocław University of Environmental and Life Sciences, 51-631 Wrocław, PolandIn this study we assessed the level of genetic introgression between red foxes bred on fur farms in Poland and the native wild population. We also evaluated the impact of a geographic barrier and isolation by distance on gene flow between two isolated subpopulations of the native red fox and their genetic differentiation. Nuclear and mitochondrial DNA was collected from a total of 308 individuals (200 farm and 108 wild red foxes) to study non-native allele flow from farm into wild red fox populations. Genetic structure analyses performed using 24 autosomal microsatellites showed two genetic clusters as being the most probable number of distinct populations. No strong admixture signals between farm and wild red foxes were detected, and significant genetic differentiation was identified between the two groups. This was also apparent from the mtDNA analysis. None of the concatenated haplotypes detected in farm foxes was found in wild animals. The consequence of this was that the haplotype network displayed two genetically distinct groups: farm foxes were completely separated from native ones. Neither the River Vistula nor isolation by distance had a significant impact on gene flow between the separated wild red fox subpopulations. The results of our research indicate a low probability of genetic introgression between farm and native red foxes, and no threat to the genetic integrity of this species.https://www.mdpi.com/2073-4425/12/5/637admixturegenetic introgressionmicrosatellitesmtDNAred fox
spellingShingle Heliodor Wierzbicki
Magdalena Zatoń-Dobrowolska
Anna Mucha
Magdalena Moska
Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
Genes
admixture
genetic introgression
microsatellites
mtDNA
red fox
title Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
title_full Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
title_fullStr Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
title_full_unstemmed Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
title_short Insight into the Genetic Population Structure of Wild Red Foxes in Poland Reveals Low Risk of Genetic Introgression from Escaped Farm Red Foxes
title_sort insight into the genetic population structure of wild red foxes in poland reveals low risk of genetic introgression from escaped farm red foxes
topic admixture
genetic introgression
microsatellites
mtDNA
red fox
url https://www.mdpi.com/2073-4425/12/5/637
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