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Cetaceans evolution: insights from the genome sequences of common minke whales

Title
Cetaceans evolution: insights from the genome sequences of common minke whales
Authors
Park, Jung YounAn, Yong-RockKanda, NaohisaAn, Chul-MinAn, Hye SuckKang, Jung-HaKim, Eun MiAn, Du-HaeJung, HojinJoung, MyungheePark, Myung HumYoon, Sook HeeLee, Bo-YoungLee, TaeheonKim, Kyu-WonPark, Won CheoulShin, Dong HyunLee, Young SubKim, JaeminKwak, WooriKim, Hyeon JeongKwon, Young-JunMoon, SunjinKim, YuseobBurt, David W.Cho, SeoaeKim, Heebal
Ewha Authors
김유섭
SCOPUS Author ID
김유섭scopus
Issue Date
2015
Journal Title
BMC GENOMICS
ISSN
1471-2164JCR Link
Citation
vol. 16
Keywords
CetaceansCommon minke whalePositive selectionGenome
Publisher
BIOMED CENTRAL LTD
Indexed
SCIE; SCOPUS WOS
Abstract
Background: Whales have captivated the human imagination for millennia. These incredible cetaceans are the only mammals that have adapted to life in the open oceans and have been a source of human food, fuel and tools around the globe. The transition from land to water has led to various aquatic specializations related to hairless skin and ability to regulate their body temperature in cold water. Results: We present four common minke whale (Balaenoptera acutorostrata) genomes with depth of x13 similar to x17 coverage and perform resequencing technology without a reference sequence. Our results indicated the time to the most recent common ancestors of common minke whales to be about 2.3574 (95% HPD, 1.1521 - 3.9212) million years ago. Further, we found that genes associated with epilation and tooth-development showed signatures of positive selection, supporting the morphological uniqueness of whales. Conclusions: This whole-genome sequencing offers a chance to better understand the evolutionary journey of one of the largest mammals on earth.
DOI
10.1186/s12864-015-1213-1
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자연과학대학 > 생명과학전공 > Journal papers
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