Supporting data for "The genome of the Marco Polo Sheep (Ovis ammon polii)"

Dataset type: Genomic
Data released on October 24, 2017

Yang Y; Wang Y; Zhao Y; Zhang X; Li R; Chen L; Zhang G; Jiang Y; Qiu Q; Wang W; Wei H; Wang K (2017): Supporting data for "The genome of the Marco Polo Sheep (Ovis ammon polii)" GigaScience Database.


The Marco Polo Sheep (Ovis ammon polii), a subspecies of argali (Ovis ammon) which is distributed mainly in the Pamir Mountains, provides a mammalian model in which to study high-altitude adaptation mechanisms. Due to over-hunting and subsistence poaching, as well as competition with livestock and habitat loss, O. ammon has been categorized as an endangered species on several lists. It can have fertile offspring with sheep. Hence a high quality reference genome of the Marco Polo Sheep will be very helpful in conservation genetics and even in exploiting useful genes in sheep breeding.
A total of 1,022.43 Gb of raw reads resulting from whole-genome sequencing of a Marco Polo Sheep were generated using an Illumina HiSeq2000 platform. The final genome assembly (2.71 Gb), which has an N50 contig size of 30.7 Kb and a scaffold N50 of 5.49 Mb. The repeat sequences identified account for 46.72% of the genome and 20,336 protein-coding genes were predicted from the masked genome. Phylogenetic analysis indicated a close relationship between Marco Polo Sheep and the domesticated sheep, and the time of their divergence was approximately 2.36 million years ago (Mya). We identified 271 expanded gene families and 168 putative positively selected genes in the Marco Polo Sheep lineage.
We provide the first genome sequence and gene annotation for the Marco Polo Sheep. The availability of these resources will be of value in the future conservation of this endangered large mammal, for research into high-altitude adaptation mechanisms, for reconstructing the evolutionary history of the Caprinae and for the future conservation of the Marco Polo Sheep.

Additional details

Read the peer-reviewed publication(s):

Yang, Y., Wang, Y., Zhao, Y., Zhang, X., Li, R., Chen, L., … Wang, K. (2017). Draft genome of the Marco Polo Sheep (Ovis ammon polii). GigaScience, 6(12). doi:10.1093/gigascience/gix106

Accessions (data included in GigaDB):

BioProject: PRJNA391748

Sample IDTaxonomic IDCommon NameGenbank NameScientific NameSample Attributes
MarcoPoloSheep230172  Ovis ammon polii Description:DNA extracted from ear tissue of an ad...
Common name:Marco Polo Sheep
Alternative accession-BioSample:SAMN07274464
Displaying 1-1 of 1 Sample(s).

File NameSample IDData TypeFile FormatSizeRelease Date 
otherTAR4.17 KB2017-10-20
otherTAR4.19 KB2017-10-20
scriptUNKNOWN7.12 KB2017-10-20
imageJPG106.62 KB2017-10-20
AlignmentsMAF1.28 GB2017-10-20
AlignmentsMAF1.19 GB2017-10-20
InDelsVCF19.01 MB2017-10-20
SNPsVCF135.35 MB2017-10-20
Coding SequenceFASTA10.66 MB2017-10-20
annotationUNKNOWN3.96 MB2017-10-20
Displaying 1-10 of 19 File(s).
Funding body Awardee Award ID Comments
National Natural Science Foundation of China Y Wang 31072019
National Natural Science Foundation of China Y Jiang 31572381
Northwestern Polytechnical University Q Qiu Talents Team Construction Fund
Northwestern Polytechnical University W Wang Talents Team Construction Fund
Date Action
October 24, 2017 Dataset publish
November 13, 2017 Manuscript Link added : 10.1093/gigascience/gix106