DNA论文

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2019-06-05
古爱斯基摩人的遗传血统以及楚科奇半岛和北美的人口
Much of the American Arctic was first settled 5,000 years ago, by groups of people known as Palaeo-Eskimos. They were subsequently joined and largely …
48 23 0 已完成
2019-06-01
人骨考古、牙齒型態與DNA親緣關係:以花蓮嶺頂Ⅱ遺址為例
史前遺址內的人齒,其生物材料能經歷數千年而能耐久保存。在萃取牙根殘留細胞DNA判定親緣後,更值得探討牙齒表面的發育型態,進行完整的統計分析。花蓮嶺頂Ⅱ號遺址發掘所得的11具墓葬遺留,位處新石器時代中期的繩紋陶文化層,可應用第一手的田野資料分析其牙齒形質與墓葬空間關聯。本研究根據「牙齒再現血緣」假說推論:血緣親近者應反映出類似牙齒表面測量值。在顯微鏡下測量發掘所得之73枚牙齒,主成分分析的二維雙序圖合計解釋94.3%的變異度:第一主成分軸可解釋的變異度達89.0%,主要是正相關於牙齒類型,以及負相關於齒冠琺瑯質橫切面牙寬(BCD)與牙長(MCD)。第二主成分軸之特徵值可解釋的變異度為5.3%,整個模式最大解釋度的變數依序為:牙齒類型>牙寬(BCD)>牙長(MCD)>左右側>上下顎。驗證五具已知親緣的個體(B1,B2,B4,B5,B11),在近親間呈現較穩定一致的齒冠型態。此外,墓葬B1,B3,B5,B6都沒有拔齒,而牙齒的毀飾習俗只存於B11個體:其二枚下犬齒顯著外突,拔除上犬齒與鄰近一枚門牙,拔齒型態為CI2│CI2,拔牙時間應在青少年時期。相較史前西南台灣所廣泛傳承的拔齒慣俗,此一東台灣少數史前拔齒案例,結合墓葬空間分析、與體質DNA的生物考古學工作,未來可進一步評估當地社會被組織起來的環境生態特色。
11 16 1 处理中
2019-05-10
西伯利亚血统的到来将波罗的海东部与更东部的乌拉尔语国家连接起来
In this study, we compare the genetic ancestry of individuals from two as yet genetically unstudied cultural traditions in Estonia in the context of a…
56 24 0 已完成
2019-04-29
欧亚大陆内部混合的遗传历史
6 8 0 处理中
2019-04-18
通过古代基因组序列发现,十字军东征时期近东地区曾出现过短暂的基因混合事件
During the medieval period, hundreds of thousands of Europeans migrated to the Near East to take part in the Crusades, and many of them settled in the…
14 7 0 已完成
2019-04-15
日本北海道船泊遗址的绳纹晚期男性和女性基因组序列
2 40 0 处理中
2019-03-25
解开新石器时代晚期乱葬坑中的血统、亲属关系和暴力
We sequenced the genomes of 15 skeletons from a 5,000-y-old mass grave in Poland associated with the Globular Amphora culture. All individuals had bee…
24 41 0 处理中
2019-03-15
伊比利亚半岛过去8000年的基因组历史
We assembled genome-wide data from 271 ancient Iberians, of whom 176 are from the largely unsampled period after 2000 BCE, thereby providing a high-re…
239 23 0 已完成
2019-02-04
高加索地区 3000 年间古人类基因组数据与生态地理区域相对应
Archaeogenetic studies have described the formation of Eurasian ‘steppe ancestry’ as a mixture of Eastern and Caucasus hunter-gatherers. However, it r…
51 9 0 处理中
2019-01-24
人类Y染色体单倍群Q的分析表征了欧亚大陆和美洲古代人口的迁移
Background Recent genome studies of modern and ancient samples have proposed that Native Americans derive from a subset of the Eurasian gene pool car…
34 9 0 已完成
2018-10-03
古代基因组表明东海草原是西部铁器时代游牧民族的起源
For millennia, the Pontic-Caspian steppe was a connector between the Eurasian steppe and Europe. In this scene, multidirectional and sequential moveme…
23 28 0 处理中
2018-09-11
Understanding 6th-century barbarian social organization and migration through paleogenomics
通过古基因组学了解 6 世纪野蛮人的社会组织和移民
37 25 0 处理中
2018-09-06
在尼泊尔高海拔地区,对藏族女性进行过去和正在进行的自然选择进行检测
Adaptive evolution in humans has rarely been characterized for its whole set of components, i.e. selective pressure, adaptive phenotype, beneficial al…
53 1 0 已完成
2018-08-29
Cultural Innovations Influence Patterns of Genetic Diversity in Northwestern Amazonia
文化创新影响亚马逊流域西北部的遗传多样性模式
280 18 0 已完成
2018-07-06
东南亚史前人类活动
东南亚 (SEA) 的人类居住历史仍然存在很大争议。目前的证据表明,直到大约 4000 年前,Hòabìnhian 狩猎采集者才占领了 SEA,当时农业经济不断发展壮大,将觅食群体限制在偏远的栖息地。一些人认为农业发展是本土的;另一些人则支持“双层”假设,即农民向南扩张,导致了当今东南亚的遗传多样性…
69 24 0 处理中
2018-06-01
北美古代人类的平行血统促成了沿海扩张
Abstract Little is known regarding the first people to enter the Americas and their genetic legacy. Genomic analysis of the oldest human remains from …
17 15 0 处理中
2018-05-09
来自欧亚草原的137个古代人类基因组
For thousands of years the Eurasian steppes have been a centre of human migrations and cultural change. Here we sequence the genomes of 137 ancient hu…
137 27 1 处理中
2018-05-09
第一批马牧民和青铜时代早期草原扩张对亚洲的影响 - 更新中
The Yamnaya expansions from the western steppe into Europe and Asia during the Early Bronze Age (~3000 BCE) are believed to have brought with them Ind…
111 40 0 处理中
2018-03-15
Pleistocene North African genomes link Near Eastern and sub-Saharan African human populations
更新世北非基因组将近东和撒哈拉以南非洲的人类群体联系起来
North Africa is a key region for understanding human history, but the genetic history of its people is largely unknown. We present genomic data from s…
7 11 0 处理中
2018-02-21


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