Segregation of point mutation heteroplasmy in the control region of dog mtDNA studied systematically in deep generation pedigrees.

"The authors would like to express their gratitude to numerous dog owners for their help in collecting samples and especially Iris Aintila for extensive sampling in Northern Sweden/Finland. We are thankful to Minna Virta and Sini Karjalainen for collection of samples and DNA isolation from blood samples. Further, we are very thankful to the Swedish and Finnish Kennel Clubs for providing essential information on their websites. This study was supported by the Academy of Finland, the Sigrid Juselius Foundation, Biocentrum Helsinki, the Jane and Aatos Erkko Foundation and the University of Helsinki Research Funds and by grants from the Swedish Research Council, and the Swedish Kennel Club. Peter Savolainen is a Royal Swedish Academy of Sciences Research Fellow supported by a grant from the Knut and Alice Wallenberg Foundation."