Biomolecular analyses reveal the age, sex and species identity of a near-intact Pleistocene bird carcass

Biomolecular analyses reveal the age, sex and species identity of a near-intact Pleistocene bird carcass
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生物分子分析揭示了近乎完整的更新世鸟类尸体的年龄、性别和物种身份

DOI:
10.1038/s42003-020-0806-7
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发表时间:
2020
影响因子:
5.9
通讯作者:
Hansson, Bengt
Hansson, Bengt
中科院分区:
生物学2区
文献类型:
--
作者:
Dussex, Nicolas;Stanton, David W.;Sigeman, Hanna;Ericson, Per G.;Gill, Jacquelyn;Fisher, Daniel C.;Protopopov, Albert V.;Herridge, Victoria L.;Plotnikov, Valery;Hansson, Bengt

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在永久冻土中发现的古代遗迹为研究过去的生态系统提供了难得的机会。在这里,我们展示了在西伯利亚永久冻土层中发现的保存极其完好的古代鸟类尸体,以及放射性碳年代测定和其完整线粒体基因组的重建。该尸体的放射性碳测年结果约为 44-49 ka BP,经基因鉴定为雌性角百灵。这是一种通常栖息在开阔栖息地的物种,例如当时西伯利亚存在的草原环境。这个近乎完整的尸体凸显了永久冻土遗迹对于结合形态学和古代核酸的进化研究的潜力。
Ancient remains found in permafrost represent a rare opportunity to study past ecosystems. Here, we present an exceptionally well-preserved ancient bird carcass found in the Siberian permafrost, along with a radiocarbon date and a reconstruction of its complete mitochondrial genome. The carcass was radiocarbon dated to approximately 44–49 ka BP, and was genetically identified as a female horned lark. This is a species that usually inhabits open habitat, such as the steppe environment that existed in Siberia at the time. This near-intact carcass highlights the potential of permafrost remains for evolutionary studies that combine both morphology and ancient nucleic acids.
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