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Retroposon analysis of major cetacean lineages: The monophyly of toothed whales and the paraphyly of river dolphins
Masato Nikaido; Fumio Matsuno; Healy Hamilton; Robert L. Brownell, Jr.; Ying Cao; Wang Ding; Zhu Zuoyan; Andrew M. Shedlock; R. Ewan Fordyce; Masami Hasegawa and Norihiro Okada; Nikaido, M, Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, 4259 Nagatsuta Cho, Yokohama, Kanagawa 2268501, Japan
2001
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume98Issue:13Pages:7384-7389
AbstractSINE (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.
KeywordSine Evolution Divergence Times
DepartmentTokyo Inst Technol, Grad Sch Biosci & Biotechnol, Yokohama, Kanagawa 2268501, Japan; Univ Otago, Dept Geol, Dunedin, New Zealand; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Inst Stat Math, Tokyo 1068569, Japan; NOAA, SW Fisheries Sci Ctr, La Jolla, CA 92037 USA; Univ Calif Berkeley, Museum Paleontol, Berkeley, CA 94720 USA
Subject AreaMultidisciplinary Sciences
Indexed BySCI
WOS IDWOS:000169456600072
Citation statistics
Cited Times:187[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9982
Collection期刊论文
Corresponding AuthorNikaido, M, Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, 4259 Nagatsuta Cho, Yokohama, Kanagawa 2268501, Japan
Recommended Citation
GB/T 7714
Masato Nikaido,Fumio Matsuno,Healy Hamilton,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 Masato Nikaido.,Fumio Matsuno.,Healy Hamilton.,Robert L. Brownell, Jr..,Ying Cao.,...&Nikaido, M, Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, 4259 Nagatsuta Cho, Yokohama, Kanagawa 2268501, Japan.(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 Masato Nikaido,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.
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