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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0135980
论文题名:	Ancient Humans Influenced the Current Spatial Genetic Structure of Common Walnut Populations in Asia
作者:	Paola Pollegioni; Keith E. Woeste; Francesca Chiocchini; Stefano Del Lungo; Irene Olimpieri; Virginia Tortolano; Jo Clark; Gabriel E. Hemery; Sergio Mapelli; Maria Emilia Malvolti
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-9-2
卷:	10, 期:9
语种:	英语
英文关键词:	Population genetics ; Language ; Sociolinguistics ; Phylogeography ; Asia ; Human genetics ; Paleogenetics ; Linguistic geography
英文摘要:	Common walnut (Juglans regia L) is an economically important species cultivated worldwide for its wood and nuts. It is generally accepted that J. regia survived and grew spontaneously in almost completely isolated stands in its Asian native range after the Last Glacial Maximum. Despite its natural geographic isolation, J. regia evolved over many centuries under the influence of human management and exploitation. We evaluated the hypothesis that the current distribution of natural genetic resources of common walnut in Asia is, at least in part, the product of ancient anthropogenic dispersal, human cultural interactions, and afforestation. Genetic analysis combined with ethno-linguistic and historical data indicated that ancient trade routes such as the Persian Royal Road and Silk Road enabled long-distance dispersal of J. regia from Iran and Trans-Caucasus to Central Asia, and from Western to Eastern China. Ancient commerce also disrupted the local spatial genetic structure of autochthonous walnut populations between Tashkent and Samarkand (Central-Eastern Uzbekistan), where the northern and central routes of the Northern Silk Road converged. A significant association between ancient language phyla and the genetic structure of walnut populations is reported even after adjustment for geographic distances that could have affected both walnut gene flow and human commerce over the centuries. Beyond the economic importance of common walnut, our study delineates an alternative approach for understanding how the genetic resources of long-lived perennial tree species may be affected by the interaction of geography and human history.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0135980&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/21832
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy;U.S.D.A. Forest Service, Hardwood Tree Improvement and Regeneration Center, Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana, United States of America;Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy;The Institute of Archaeological and Monumental Heritage, National Research Council, Tito Scalo, Potenza, Italy;Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy;Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy;Earth Trust, Little Wittenham, Abingdon, Oxfordshire, United Kingdom;Sylva Foundation, Little Wittenham, Oxfordshire, United Kingdom;Institute of Agricultural Biology and Biotechnology, National Research Council, Milan, Italy;Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Recommended Citation:

Paola Pollegioni,Keith E. Woeste,Francesca Chiocchini,et al. Ancient Humans Influenced the Current Spatial Genetic Structure of Common Walnut Populations in Asia[J]. PLOS ONE,2015-01-01,10(9)

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