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Whole-genome SNP analysis elucidates the genetic structure of Russian cattle and its relationship with Eurasian taurine breeds.


ABSTRACT:

Background

The origin of native and locally developed Russian cattle breeds is linked to the historical, social, cultural, and climatic features of the diverse geographical regions of Russia. In the present study, we investigated the population structure of nine Russian cattle breeds and their relations to the cattle breeds from around the world to elucidate their origin. Genotyping of single nucleotide polymorphisms (SNPs) in Bestuzhev (n?=?26), Russian Black-and-White (n?=?21), Kalmyk (n?=?14), Kholmogor (n?=?25), Kostromsky (n?=?20), Red Gorbatov (n?=?23), Suksun (n?=?20), Yakut (n?=?25), and Yaroslavl cattle breeds (n?=?21) was done using the Bovine SNP50 BeadChip. SNP profiles from an additional 70 breeds were included in the analysis as references.

Results

The observed heterozygosity levels were quite similar in eight of the nine studied breeds (HO?=?0.337-0.363) except for Yakut (Ho?=?0.279). The inbreeding coefficients FIS ranged from -0.028 for Kalmyk to 0.036 for Russian Black-and-White and were comparable to those of the European breeds. The nine studied Russian breeds exhibited taurine ancestry along the C1 axis of the multidimensional scaling (MDS)-plot, but Yakut was clearly separated from the European taurine breeds on the C2 axis. Neighbor-Net and admixture analyses, discriminated three groups among the studied Russian breeds. Yakut and Kalmyk were assigned to a separate group because of their Turano-Mongolian origin. Russian Black-and-White, Kostromsky and Suksun showed transboundary European ancestry, which originated from the Holstein, Brown Swiss, and Danish Red breeds, respectively. The lowest level of introgression of transboundary breeds was recorded for the Kholmogor, Yaroslavl, Red Gorbatov and Bestuzhev breeds, which can be considered as an authentic genetic resource.

Conclusions

Whole-genome SNP analysis revealed that Russian native and locally developed breeds have conserved authentic genetic patterns in spite of the considerable influence of Eurasian taurine cattle. In this paper, we provide fundamental genomic information that will contribute to the development of more accurate breed conservation programs and genetic improvement strategies.

SUBMITTER: Sermyagin AA 

PROVIDER: S-EPMC6042431 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Whole-genome SNP analysis elucidates the genetic structure of Russian cattle and its relationship with Eurasian taurine breeds.

Sermyagin Alexander A AA   Dotsev Arsen V AV   Gladyr Elena A EA   Traspov Alexey A AA   Deniskova Tatiana E TE   Kostyunina Olga V OV   Reyer Henry H   Wimmers Klaus K   Barbato Mario M   Paronyan Ivan A IA   Plemyashov Kirill V KV   Sölkner Johann J   Popov Ruslan G RG   Brem Gottfried G   Zinovieva Natalia A NA  

Genetics, selection, evolution : GSE 20180711 1


<h4>Background</h4>The origin of native and locally developed Russian cattle breeds is linked to the historical, social, cultural, and climatic features of the diverse geographical regions of Russia. In the present study, we investigated the population structure of nine Russian cattle breeds and their relations to the cattle breeds from around the world to elucidate their origin. Genotyping of single nucleotide polymorphisms (SNPs) in Bestuzhev (n = 26), Russian Black-and-White (n = 21), Kalmyk  ...[more]

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