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Potential dual expansion of domesticated donkeys revealed by worldwide analysis on mitochondrial sequences

Zoological Research 2020年第1期41卷 51-60页

作者： Xi-Yao Ma Tiao Ning Adeniyi CAdeola Jie Li Ali Esmailizadeh Jacqueline KLichoti Bernard RAgwanda Jainagul Isakova Almaz AAldashev Shi-Fang Wu He-Qun Liu Najmudinov Tojiddin Abdulloevich Manilova Elena Afanasevna khudoidodov behruz ibrohimovich Rahamon Akinyele Moshood Adedokun Sunday Charles Olaogun Oscar JSanke Godwin FMangbon Xi Chen Wei-Kang Yang Zhe Wang Min-Sheng Peng Sheila COmmeh Yan Li Ya-Ping Zhang State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan School of Life SciencesYunnan UniversityKunmingYunnan 650091China Agriculture College Kunming UniversityKunmingYunnan 650214China Engineering Research Center for Urban Modern Agriculture of Higher Education in Yunnan Province Kunming UniversityKunmingYunnan 650214China State Key Laboratory of Genetic Resources and Evolution Yunnan Laboratory of Molecular Biology of Domestic AnimalsGermplasm Bank of Wild SpeciesKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Sino-Africa Joint Research Center Chinese Academy of SciencesKunmingYunnan 650223China Department of Animal Science Faculty of AgricultureShahid Bahonar University of KermanKerman PB 76169-133Iran State Department of Livestock Ministry of Agriculture Livestock and FisheriesNairobi 00100Kenya Department of Zoology National Museums of KenyaNairobi 00100Kenya Institute of Molecular Biology and Medicine Bishkek 720040Kyrgyzstan E.N.Pavlovsky Institute of Zoology and Parasitology Academy of Sciences of Republic of TajikistanDushanbe 734025Tajikistan Department of Veterinary Medicine University of IbadanIbadan 200284Nigeria Taraba State Ministry of Agriculture and Natural Resources Jalingo 660221Nigeria Division of Veterinary Office Serti 663101Nigeria Research Center for Ecology and Environment of Central Asia Chinese Academy of SciencesUrumqiXinjiang 830011China Key Laboratory of Biogeography and Bioresource in Arid Land Xinjiang Institute of Ecology and GeographyChinese Academy of SciencesUrumqiXinjiang 830011China Department of Physiology Hebei Medical UniversityShijiazhuangHebei 050017China Hebei Key Laboratory of Animal Science Hebei Medical UniversityShijiazhuangHebei 050017China Kunming College of Life Science University of Chinese Academy of SciencesKunmingYunnan 650204China Animal Biotechnology Group Institute of Biotechnology ResearchJomo Kenyatta University of Agriculture and TechnologyNairob

Molecular studies on donkey mitochondrial sequences have clearly defined two distinct maternal lineages involved in ***,domestication histories of these two lineages remain *** therefore compared several population characteristics between these two lineages based on global sampling,which included 171 sequences obtained in this study(including Middle Asian,East Asian,and African samples)plus 536 published sequences(including European,Asian,and African samples).The two lineages were clearly separated from each other based on whole mitochondrial genomes and partial non-coding displacement loop(D-loop)sequences,*** Clade I lineage experienced an increase in population size more than 8000 years ago and shows a complex haplotype *** contrast,the population size of the Clade II lineage has remained relatively constant,with a simpler haplotype *** the distribution of the two lineages was almost equal across the Eurasian mainland,they still presented discernible but complex geographic bias in most parts of Africa,which are known as their domestication *** from sub-Saharan Africa tended to descend from the Clade I lineage,whereas the Clade II lineage was dominant along the East and North coasts of ***,the migration routes inferred from diversity decay suggested different expansion across China between the two ***,these differences indicated non-simultaneous domestication of the two lineages,which was possibly influenced by the response of pastoralists to the desertification of the Sahara and by the social expansion and trade of ancient humans in Northeast Africa,respectively.

关键词： Donkey lineage Domestication history Population Expansion

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Population Genomic Insights into High Altitude Adaptation in Pamirs

Population Genomic Insights into High Altitude Adaptation in...

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2018中国遗传学会第十次全国会员代表大会暨学术讨论会

作者： Xierzhatijiang Sulaiman Min-Sheng Peng Wei-fang Xu Jin-Xiu Li Najmudinov Tojiddin Abdulloevich Manilova Elena Afanasevna khudoidodov behruz ibrohimovich Xi Chen Wei-Kang Yang Xing-Yan Yang Quan-Kuan Shen Shi-Fang Wu Yun Gao Newton O.Otecko Yong-Gang Yao Lu-Feng Cheng Ya-Ping Zhang Department of Pharmacology College of PharmacyXinjiang Medical University State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of Sciences Kunming College of Life Science University of Chinese Academy of Sciences KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases Shenzhen Hospital of Guangzhou University of Chinese Medicine State Key Laboratory for Conservation and Utilization of Bio-Resources Yunnan University E.N.Pavlovsky Institute of Zoology and Parasitology Academy of Sciences of Republic of Tajikistan Research Center for Ecology and Environment of Central Asia Chinese Academy of Sciences Key Laboratory of Biogeography and Bioresource in Arid Land Xinjiang Institute of Ecology and GeographyChinese Academy of Sciences Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province Kunming Institute of ZoologyChinese Academy of Sciences Center for Excellence in Brain Science and Intelligence Technology Chinese Academy of Sciences Center for Excellence in Animal Evolution and Genetics Chinese Academy of Sciences

Tajik highlanders have resided in Pamirs（altitude ＞3000 m） for thousands of years. How they adapted to the harsh conditions remains unsolved. Herein, we measured four physiological traits for two groups of Tajik highlanders: Sarikoli Tajik and Wakhi Tajik, in comparison to highland Kyrgyz. Neither hematologic nor spirometric evidence exhibit Tibetan-style adaptation in Tajik highlanders. To discern the potential genetic mechanism of high altitude adaptation in Tajik highlanders, we sequenced the whole genomes of 19 Sarikoli Tajiks, 20 Wakhi Tajiks, and 20 lowland Tajiks. The population genomic analyses reveal Tajiks as a branch of Central Asians experiencing complicated patterns of gene flows from European, South Asian, and East Asian populations. The settlement of Pamirs by the Sarikoli Tajiks is approximated to be around 3200 years ago. Selective sweep assessments, verified by coalescent simulation, identify SNRNP40, ZCCHC17, and FABP3 on chromosome 1, and KCTD13, TMEM219, and TAOK2 on chromosome 16, as the potential targets of selection in the Sarikoli Tajiks. These genes are involved in neurological development and diseases. The selective haplotypes in the Sarikoli Tajiks are standing variations with distribution in lowland populations. Luciferase reporter assays show that the selective haplotype of KCTD13 promoter and enhancer regions exhibit higher transcription activity than the nonselective haplotype. Overall, our findings provide novel insight into a very recent high altitude adaptation in humans, which probably targeted nervous system by utilizing standing variations via soft sweep.

关键词： High altitude adaptation Tajiks Pamirs nervous system KCTD13

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