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The sedaDNA revolution and archaeology: Progress, challenges, and a research agenda
Journal of Archaeological Science ( IF 2.6 ) Pub Date : 2024-12-18 , DOI: 10.1016/j.jas.2024.106132
A.G. Brown, M. Lucas, I.G. Alsos, B. Fromm, S. Hudson

The uptake of sedimentary ancient DNA (sedaDNA) in archaeology appears to be rather behind that in areas such as palaeoecology, palaeolimnology and Quaternary sciences in general, and in contrast to the on-going revolution in palaeogenomics from skeletal material. From our experience of a high level of requests for sedaDNA analyses and general enquiries, we ascribe this so a knowledge-gap in the bioarchaeology and environmental archaeology sub-disciplines. This paper aims to address this by; providing a review of sedaDNA research in archaeology including taphonomic considerations by environmental context types, sampling and analytical considerations, quality control and authentication, and combined analysis with other proxies. Key areas of emerging archaeological application include a much deeper understanding of hunter-gatherer landscape interactions, the environments of early agriculture, domestication, disease and pandemics, field systems and agricultural revolutions. The high taxonomic precision of sedaDNA metabarcoding also provides new approaches to human migration since people migrate with their food cultures. It is hoped that this will encourage archaeological scientists to enter this research field, which is currently short of trained personnel. The paper also sets out the major challenges that are faced in the further application of sedaDNA, and potentially sedaRNA, in archaeology and also possible solutions and avenues for fruitful research. It is argued that sedaDNA, although immensely powerful, is still at present best used in combination with traditional areas of archaeobotany and archaeozoology. However, the emerging possibilities of both palaeo-phylogenetics and functional palaeogenetics are sign-posts to a deeper application that could constitute a revolution in archaeological science.

中文翻译:


sedaDNA 革命和考古学:进展、挑战和研究议程



考古学中沉积古 DNA (sedaDNA) 的采用似乎相当落后于古生态学、古石学和一般第四纪科学等领域,这与骨骼材料古基因组学正在进行的革命形成鲜明对比。根据我们对 sedaDNA 分析和一般查询的高水平请求的经验,我们将这归因于生物考古学和环境考古学子学科的知识差距。本文旨在通过以下方式解决这个问题;提供对考古学中 SedaDNA 研究的回顾,包括按环境背景类型划分的 taphonomic 考虑、采样和分析考虑、质量控制和认证,以及与其他代理的组合分析。新兴考古学应用的关键领域包括更深入地了解狩猎采集景观相互作用、早期农业环境、驯化、疾病和流行病、田间系统和农业革命。sedaDNA 宏条形码的高分类精度也为人类迁移提供了新的方法,因为人们随着他们的饮食培养物迁移。希望这将鼓励考古科学家进入这个目前缺乏训练有素的人员的研究领域。本文还列出了 sedaDNA(以及潜在的 sedaRNA)在考古学中进一步应用所面临的主要挑战,以及富有成效的研究的可能解决方案和途径。有人认为,sedaDNA 虽然非常强大,但目前仍然是最好与考古植物学和考古动物学的传统领域结合使用。 然而,古系统发育学和功能古遗传学的新兴可能性是更深层次应用的标志,这可能构成考古学的一场革命。
更新日期:2024-12-18
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