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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0164823
论文题名:	Ancient DNA Reveals Late Pleistocene Existence of Ostriches in Indian Sub-Continent
作者:	Sonal Jain; Niraj Rai; Giriraj Kumar; Parul Aggarwal Pruthi; Kumarasamy Thangaraj; Sunil Bajpai; Vikas Pruthi
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2017
发表日期:	2017-3-8
卷:	12, 期:3
语种:	英语
英文关键词:	Ostriches ; Polymerase chain reaction ; Ancient DNA ; Fossils ; Paleogenetics ; Birds ; DNA sequence analysis ; Paleobiology
英文摘要:	Ancient DNA (aDNA) analysis of extinct ratite species is of considerable interest as it provides important insights into their origin, evolution, paleogeographical distribution and vicariant speciation in congruence with continental drift theory. In this study, DNA hotspots were detected in fossilized eggshell fragments of ratites (dated ≥25000 years B.P. by radiocarbon dating) using confocal laser scanning microscopy (CLSM). DNA was isolated from five eggshell fragments and a 43 base pair (bp) sequence of a 16S rRNA mitochondrial-conserved region was successfully amplified and sequenced from one of the samples. Phylogenetic analysis of the DNA sequence revealed a 92% identity of the fossil eggshells to Struthio camelus and their position basal to other palaeognaths, consistent with the vicariant speciation model. Our study provides the first molecular evidence for the presence of ostriches in India, complementing the continental drift theory of biogeographical movement of ostriches in India, and opening up a new window into the evolutionary history of ratites.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0164823&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/25624
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.0164823.pdf（1843KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, India;CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India;Dayalbagh Educational Institute, Dayalbagh, Agra, UP, India;Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, India;CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India;Department of Earth Sciences, Indian Institute of Technology, Roorkee, Uttarakhand, India;Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, India

Recommended Citation:

Sonal Jain,Niraj Rai,Giriraj Kumar,et al. Ancient DNA Reveals Late Pleistocene Existence of Ostriches in Indian Sub-Continent[J]. PLOS ONE,2017-01-01,12(3)

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