Abstract
Mitochondrial-DNA (mtDNA) restriction patterns were studied in 22 wolves (Canis lupus) sampled in central-northern Italy. A total of 60 restriction sites were detected, encompassing about 2 % of the mitochondrial genome of canids. All wolves showed the same restriction pattern. Therefore, a single mtDNA haplotype was detected in the Italian wolf population. Historical information on peninsular isolation and demographic decline suggest that low genetically effective population size and random drift may have strongly reduced the mtDNA variability of wolves in Italy over the last 100–200 years. A different mtDNA restriction pattern in feral dogs sampled from a wolf range in central Italy was detected. These findings suggest that the hybridization and introgression of female dog genomes into the Italian wolf population may be rare or absent.
Published Version
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