Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins

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	Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins
	Nikaido, M ; Matsuno, F ; Hamilton, H ; Brownell, RL ; Cao, Y ; Ding, W ; Zuoyan, Z ; Shedlock, AM ; Fordyce, RE ; Hasegawa, M
刊名	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
	2001-06-19
卷号	98 期号:13 页码:7384-7389
关键词	SINE evolution divergence times
ISSN号	0027-8424
通讯作者	Nikaido, M, Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, 4259 Nagatsuta Cho, Yokohama, Kanagawa 2268501, Japan
中文摘要	SINE (short interspersed element) insertion analysis elucidates contentious aspects in the phylogeny of toothed whales and dolphins (Odontoceti), especially river dolphins. Here, we characterize 25 informative SINEs inserted into unique genomic loci during evolution of odontocetes to construct a cladogram. and determine a total of 2.8 kb per taxon of the flanking sequences of these SINE loci to estimate divergence times among lineages. We demonstrate that: (i) Odontocetes are monophyletic; (ii) Ganges River dolphins, beaked whales, and ocean dolphins diverged (in this order) after sperm whales; (iii) three other river dolphin taxa, namely the Amazon, La Plata, and Yangtze river dolphins, form a monophyletic group with Yangtze River dolphins being the most basal; and (iv) the rapid radiation of extant cetacean lineages occurred some 28-33 million years B.P., in strong accord with the fossil record. The combination of SINE and flanking sequence analysis suggests a topology and set of divergence times for odontocete relationships, offering alternative explanations for several long-standing problems in cetacean evolution.
英文摘要	SINE (short interspersed element) insertion analysis elucidates contentious aspects in the phylogeny of toothed whales and dolphins (Odontoceti), especially river dolphins. Here, we characterize 25 informative SINEs inserted into unique genomic loci during evolution of odontocetes to construct a cladogram. and determine a total of 2.8 kb per taxon of the flanking sequences of these SINE loci to estimate divergence times among lineages. We demonstrate that: (i) Odontocetes are monophyletic; (ii) Ganges River dolphins, beaked whales, and ocean dolphins diverged (in this order) after sperm whales; (iii) three other river dolphin taxa, namely the Amazon, La Plata, and Yangtze river dolphins, form a monophyletic group with Yangtze River dolphins being the most basal; and (iv) the rapid radiation of extant cetacean lineages occurred some 28-33 million years B.P., in strong accord with the fossil record. The combination of SINE and flanking sequence analysis suggests a topology and set of divergence times for odontocete relationships, offering alternative explanations for several long-standing problems in cetacean evolution.
学科主题	Multidisciplinary Sciences
WOS标题词	Science & Technology
类目[WOS]	Multidisciplinary Sciences
研究领域[WOS]	Science & Technology - Other Topics
关键词[WOS]	PHYLOGENETIC-RELATIONSHIPS ; EVOLUTIONARY HISTORY ; ELEMENTS SINES ; DNA ; EOCENE ; MAMMALIA ; CETARTIODACTYLS ; SEQUENCES ; INSERTION ; ORIGIN
收录类别	SCI
语种	英语
WOS记录号	WOS:000169456600072
公开日期	2010-10-13
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/152342/9982]
专题	水生生物研究所_中科院水生所知识产出（2009年前）_期刊论文
作者单位	1.Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, Yokohama, Kanagawa 2268501, Japan 2.Univ Otago, Dept Geol, Dunedin, New Zealand 3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China 4.Inst Stat Math, Tokyo 1068569, Japan 5.NOAA, SW Fisheries Sci Ctr, La Jolla, CA 92037 USA 6.Univ Calif Berkeley, Museum Paleontol, Berkeley, CA 94720 USA
推荐引用方式 GB/T 7714	Nikaido, M,Matsuno, F,Hamilton, H,et al. Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2001,98(13):7384-7389.
APA	Nikaido, M.,Matsuno, F.,Hamilton, H.,Brownell, RL.,Cao, Y.,...&Okada, N.(2001).Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,98(13),7384-7389.
MLA	Nikaido, M,et al."Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 98.13(2001):7384-7389.