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      Evidence for early domestic yak, taurine cattle, and their hybrids on the Tibetan Plateau

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          Abstract

          Domestic yak, cattle, and their hybrids are fundamental to herder survival at high altitudes on the Tibetan Plateau. However, little is known about their history. Bos remains are uncommon in this region, and ancient domestic yak have not been securely identified. To identify Bos taxa and investigate their initial management, we conducted zooarchaeological analyses of 193 Bos specimens and sequenced five nuclear genomes from recently excavated assemblages at Bangga. Morphological data indicated that more cattle than yak were present. Ancient mitochondrial DNA and nuclear genome sequences identified taurine cattle and provided evidence for domestic yak and yak-cattle hybridization ~2500 years ago. Reliance on diverse Bos species and their hybrid has increased cattle adaptation and herder resilience to plateau conditions. Ancient cattle and yak at Bangga were closely related to contemporary livestock, indicating early herder legacies and the continuity of cattle and yak husbandry on the Tibetan Plateau.

          Abstract

          Early

          management of domestic yak, taurine cattle and their hybrids on the high Tibetan Plateau dates to ~2500 years ago.

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          Most cited references88

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          The Sequence Alignment/Map format and SAMtools

          Summary: The Sequence Alignment/Map (SAM) format is a generic alignment format for storing read alignments against reference sequences, supporting short and long reads (up to 128 Mbp) produced by different sequencing platforms. It is flexible in style, compact in size, efficient in random access and is the format in which alignments from the 1000 Genomes Project are released. SAMtools implements various utilities for post-processing alignments in the SAM format, such as indexing, variant caller and alignment viewer, and thus provides universal tools for processing read alignments. Availability: http://samtools.sourceforge.net Contact: rd@sanger.ac.uk
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            Fast and accurate short read alignment with Burrows–Wheeler transform

            Motivation: The enormous amount of short reads generated by the new DNA sequencing technologies call for the development of fast and accurate read alignment programs. A first generation of hash table-based methods has been developed, including MAQ, which is accurate, feature rich and fast enough to align short reads from a single individual. However, MAQ does not support gapped alignment for single-end reads, which makes it unsuitable for alignment of longer reads where indels may occur frequently. The speed of MAQ is also a concern when the alignment is scaled up to the resequencing of hundreds of individuals. Results: We implemented Burrows-Wheeler Alignment tool (BWA), a new read alignment package that is based on backward search with Burrows–Wheeler Transform (BWT), to efficiently align short sequencing reads against a large reference sequence such as the human genome, allowing mismatches and gaps. BWA supports both base space reads, e.g. from Illumina sequencing machines, and color space reads from AB SOLiD machines. Evaluations on both simulated and real data suggest that BWA is ∼10–20× faster than MAQ, while achieving similar accuracy. In addition, BWA outputs alignment in the new standard SAM (Sequence Alignment/Map) format. Variant calling and other downstream analyses after the alignment can be achieved with the open source SAMtools software package. Availability: http://maq.sourceforge.net Contact: rd@sanger.ac.uk
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              IQ-TREE: A Fast and Effective Stochastic Algorithm for Estimating Maximum-Likelihood Phylogenies

              Large phylogenomics data sets require fast tree inference methods, especially for maximum-likelihood (ML) phylogenies. Fast programs exist, but due to inherent heuristics to find optimal trees, it is not clear whether the best tree is found. Thus, there is need for additional approaches that employ different search strategies to find ML trees and that are at the same time as fast as currently available ML programs. We show that a combination of hill-climbing approaches and a stochastic perturbation method can be time-efficiently implemented. If we allow the same CPU time as RAxML and PhyML, then our software IQ-TREE found higher likelihoods between 62.2% and 87.1% of the studied alignments, thus efficiently exploring the tree-space. If we use the IQ-TREE stopping rule, RAxML and PhyML are faster in 75.7% and 47.1% of the DNA alignments and 42.2% and 100% of the protein alignments, respectively. However, the range of obtaining higher likelihoods with IQ-TREE improves to 73.3-97.1%.
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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: Project administrationRole: ResourcesRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: Data curationRole: Formal analysisRole: InvestigationRole: SoftwareRole: ValidationRole: VisualizationRole: Writing - review & editing
                Role: Data curationRole: Formal analysisRole: Validation
                Role: Formal analysisRole: Investigation
                Role: ResourcesRole: Writing - review & editing
                Role: Investigation
                Role: ConceptualizationRole: InvestigationRole: Methodology
                Role: Formal analysisRole: MethodologyRole: Writing - review & editing
                Role: ConceptualizationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Data curationRole: Funding acquisitionRole: Project administrationRole: ResourcesRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: MethodologyRole: Project administrationRole: SupervisionRole: ValidationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Journal
                Sci Adv
                Sci Adv
                sciadv
                advances
                Science Advances
                American Association for the Advancement of Science
                2375-2548
                15 December 2023
                13 December 2023
                : 9
                : 50
                : eadi6857
                Affiliations
                [ 1 ]Key Laboratory of Animal Genetics Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, P. R. China.
                [ 2 ]Center for Archaeological Science, Sichuan University, Chengdu 610065, P. R. China.
                [ 3 ]Department of Archaeology, Max Planck Institute of Geoanthropology, Jena 07745, Germany.
                [ 4 ]Domestication and Anthropogenic Evolution Research Group, Max Planck Institute of Geoanthropology, Jena 07745, Germany.
                [ 5 ]Institute for Conservation and Research of Cultural Relics of Tibet Autonomous Region, Lhasa 850000, China.
                [ 6 ]State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences (CAS), Kunming 650201, P. R. China.
                [ 7 ]Section for Computational and RNA Biology, Department of Biology, University of Copenhagen, Copenhagen DK-1350, Denmark.
                [ 8 ]National Germplasm Centre of Domestic Animal Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, P. R. China.
                [ 9 ]Centre for Anthropobiology and Genomics of Toulouse, CNRS UMR 5288, Université de Toulouse, Université Paul Sabatier, Toulouse 31000, France.
                [ 10 ]Yazhouwan National Laboratory, Sanya 572024, P. R. China.
                [ 11 ]CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, P. R. China.
                [ 12 ]Department of Anthropology, Washington University in St. Louis, St. Louis, MO 63130, USA.
                Author notes
                [†]

                These authors contributed equally to this work.

                Author information
                https://orcid.org/0000-0001-6624-5885
                https://orcid.org/0000-0002-8689-8776
                https://orcid.org/0009-0006-1980-0085
                https://orcid.org/0009-0009-7578-4958
                https://orcid.org/0000-0002-1013-1499
                https://orcid.org/0000-0002-4215-3959
                https://orcid.org/0000-0003-3139-2361
                https://orcid.org/0000-0003-1371-219X
                https://orcid.org/0000-0002-6871-2640
                https://orcid.org/0000-0002-1527-3963
                https://orcid.org/0000-0003-3972-587X
                https://orcid.org/0000-0002-7766-9728
                https://orcid.org/0009-0003-6719-9747
                https://orcid.org/0000-0002-4767-4737
                Article
                adi6857
                10.1126/sciadv.adi6857
                10848728
                38091398
                71fcba51-a2f5-49f3-8509-7675cfee9f94
                Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

                History
                : 16 May 2023
                : 07 November 2023
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/501100001809, National Natural Science Foundation of China;
                Award ID: 32372854
                Funded by: FundRef http://dx.doi.org/10.13039/501100001809, National Natural Science Foundation of China;
                Award ID: 32102523
                Funded by: FundRef http://dx.doi.org/10.13039/501100002808, Carlsbergfondet;
                Award ID: CF20-0355
                Funded by: National key R&D program of China;
                Award ID: 2021YFC1523600
                Funded by: National Key Basic Research Programs of China;
                Award ID: SQ2021YFF1000041
                Funded by: FundRef http://dx.doi.org/10.13039/501100002858, China Postdoctoral Science Foundation;
                Award ID: 2021T140564
                Funded by: FundRef http://dx.doi.org/10.13039/501100002858, China Postdoctoral Science Foundation;
                Award ID: 2020M683587
                Funded by: Natural Science Basic Research Program of Shaanxi;
                Award ID: 2021JQ-137
                Funded by: The Chinese Government’s contribution to the CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources in Beijing;
                Award ID: 2023-YWF-ZX-02
                Funded by: FundRef http://dx.doi.org/10.13039/501100005236, Chinese Universities Scientific Fund;
                Award ID: 2452021153
                Funded by: The earmarked fund;
                Award ID: CARS-37
                Funded by: National Science Foundation of USA;
                Award ID: 2017247
                Categories
                Research Article
                Social and Interdisciplinary Sciences
                SciAdv r-articles
                Anthropology
                Anthropology
                Custom metadata
                Judith Urtula

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