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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0152455
论文题名:	Evidence of a Strong Domestication Bottleneck in the Recently Cultivated New Zealand Endemic Root Crop, Arthropodium cirratum (Asparagaceae)
作者:	Lara D. Shepherd; Peter J. de Lange; Simon Cox; Patricia A. McLenachan; Nick R. Roskruge; Peter J. Lockhart
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-3-24
卷:	11, 期:3
语种:	英语
英文关键词:	Haplotypes ; Sequence alignment ; Phylogeography ; Population genetics ; Chloroplasts ; Crop genetics ; New Zealand ; Conservation genetics
英文摘要:	We use chloroplast DNA sequencing to examine aspects of the pre-European Māori cultivation of an endemic New Zealand root crop, Arthropodium cirratum (rengarenga). Researching the early stages of domestication is not possible for the majority of crops, because their cultivation began many thousands of years ago and/or they have been substantially altered by modern breeding methods. We found high levels of genetic variation and structuring characterised the natural distribution of A. cirratum, while the translocated populations only retained low levels of this diversity, indicating a strong bottleneck even at the early stages of this species’ cultivation. The high structuring detected at four chloroplast loci within the natural A. cirratum range enabled the putative source(s) of the translocated populations to be identified as most likely located in the eastern Bay of Plenty/East Cape region. The high structuring within A. cirratum also has implications for the conservation of genetic diversity within this species, which has undergone recent declines in both its natural and translocated ranges.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0152455&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/24094
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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journal.pone.0152455.PDF（1269KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Museum of New Zealand Te Papa Tongarewa, Wellington, New Zealand;School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand;Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand;Science and Capability Group, Terrestrial Ecosystems, Department of Conservation, Newton, Auckland, New Zealand;Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand;Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand;Institute of Agriculture and Environment, Massey University, Palmerston North, New Zealand;Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand

Recommended Citation:

Lara D. Shepherd,Peter J. de Lange,Simon Cox,et al. Evidence of a Strong Domestication Bottleneck in the Recently Cultivated New Zealand Endemic Root Crop, Arthropodium cirratum (Asparagaceae)[J]. PLOS ONE,2016-01-01,11(3)

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