Ancient DNA preservation, genetic diversity and biogeography: A study of houseflies from Roman Qasr Ibrim, lower Nubia, Egypt
Ancient DNA preservation, genetic diversity and biogeography: A study of houseflies from Roman Qasr Ibrim, lower Nubia, Egypt
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古代 DNA 保存、遗传多样性和生物地理学：对埃及下努比亚罗马 Qasr Ibrim 家蝇的研究
DOI：
10.1016/j.jas.2020.105180
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发表时间：
2020
影响因子：
2.8
通讯作者：
Simpson A
中科院分区：
文献类型：
--
作者：
Simpson A
The optimal preservation of many Egyptian archaeological sites provides unique opportunities in the research into the evolution of synanthropic species, wild animals or plants, which benefit from close association with man-made human habitats. In this study we extracted and analysed ancient mitochondrial DNA (mtDNA) from three synanthropic insect species, two storage pests,Sitophilus granarius(Coleoptera: Curculionidae) (N = 8) andTrogoderma granarium(Coleoptera: Dermestidae) (N = 14), and the houseflyMusca domestica(Diptera: Muscidae), (N = 14), from Roman Qasr Ibrim, an Egyptian frontier site located in lower Nubia. The impact of different experimental variables on ancient DNA recovery was also evaluated, confirming that it is possible to extract endogenous ancient DNA from desiccated specimens while preserving the insect exoskeleton. A phylogenetic comparison of the Qasr Ibrim housefly mtDNA-COI (COI) with modern housefly sequences, revealed that they were genetically similar to modern Egyptian, Near Eastern, Indian, Japanese, and US/Canadian populations. As the now cosmopolitan houseflies were transported by human populations alongside domestic animals and crops and may have aided the spread of disease, these findings provide important information for these processes. While limited by the resolution of the comparative databases, our research suggests the existence of biological invasions and links across the Red Sea from Egypt to the Arabian Peninsula, and exchanges between India and Egypt. We demonstrate the great potential of fossil insect aDNA for reconstructing biogeographic and diachronic species distribution and for better understanding past environments.
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DOI：
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发表时间：
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DOI：
--
发表时间：
1997
期刊：
影响因子：
--
作者：
E. Panagiotakopulu;M. Veen
通讯作者：
M. Veen
影响因子：
7.7
作者：
Excoffier, Laurent;Lischer, Heidi E. L.
通讯作者：
Lischer, Heidi E. L.