Russian Journal of GeneticsRussian Journal of GeneticsГенетика0016-67583034-5103The Russian Academy of Sciences70041410.7868/S3034510325120068ГЕНЕТИКА ЖИВОТНЫХResearch ArticleAnalysis of mtDNA Haplogroup Variability in Horses of Native Breeds of RussiaАНАЛИЗ ВАРИАБЕЛЬНОСТИ ГАПЛОГРУПП мтДНК У ЛОШАДЕЙ АБОРИГЕННЫХ ПОРОД РОССИИBlohinaN. VБлохинаН. Вnbloh16@yandex.ruKhrabrovaL. AХраброваЛ. А-SorokinS. IСорокинС. И-All Russian Research Institute for Horse BreedingВсероссийский научно-исследовательский институт коневодства151220256112VOL 61, NO12 (2025)ТОМ 61, №12 (2025)637108012026Copyright ©; 2025, Russian Academy of SciencesCopyright ©; 2025, Российская академия наук2025Russian Academy of SciencesРоссийская академия наукhttps://rjraap.com/0016-6758/article/view/700414

The article presents the results of studying the hypervariable sequence of the mtDNA D-loop of 205 horses from ten indigenous breeds, including the Buryatskaya, Vyatskaya, Zabaykalskaya, Mezenskaya, Pechorskaya, Priobskaya, Tavdinskaya, Tuvinskaya, Khakasskaya and Yakutskaya populations. A wide range of mtDNA haplotypes and haplogroups (Hd = 95.61) were identified in horses of the studied populations, including original mitotypes and new mitogroups not previously described in other horse breeds. In addition to 17 standard mtDNA groups (A–R), additional phylogenetic clusters were identified in horses of Buryatskaya (T, Y, Z), Vyatskaya (U and Y), Mezenskaya (U), Priobskaya (U, W) and Khakasskaya (Y) breeds. The results obtained demonstrate a certain commonality and originality of the matrilineal structure of the indigenous horse breeds of North-Eastern Eurasia.

В статье представлены результаты изучения гипервариабельной последовательности D-петли мтДНК 205 лошадей десяти аборигенных пород, включая бурятскую, вятскую, забайкальскую, мезенскую, печорскую, приобскую, тавдинскую, тувинскую, хакасскую и якутскую. У лошадей изученных популяций был выявлен широкий спектр гаплотипов и гаплогрупп мтДНК (Hd = 95.61), включая оригинальные митотипы и новые митогруппы, не описанные ранее у других пород лошадей. Помимо 17-ти стандартных групп мтДНК (A–R), были выявлены дополнительные филогенетические кластеры, у лошадей бурятской (T, Y, Z), вятской (U и Y), мезенской (U), приобской (U, W) и хакасской (Y) пород. Полученные результаты демонстрируют определенную общность и оригинальность матрилинейной структуры аборигенных пород лошадей Северо-Восточной Евразии.

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