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Peregrine and saker falcon genome sequences provide insights into evolution of a predatory lifestyle [Letter]

Zhan, Xiangjiang, Pan, Shengkai, Wang, Junyi, Dixon, Andrew, He, Jing, Muller, Margit G., Ni, Peixiang, Hu, Li, Liu, Yuan, Hou, Haolong, Chen, Yuanping, Xia, Jinquan, Luo, Qiong, Xu, Pengwei, Chen, Ying, Liao, Shengguang, Cao, Changchang, Gao, Shukun, Wang, Zhaobao, Yue, Zhen, Li, Guoqing, Yin, Ye, Fox, Nick C., Wang, Jun and Bruford, Michael William 2013. Peregrine and saker falcon genome sequences provide insights into evolution of a predatory lifestyle [Letter]. Nature Genetics 45 (5) , pp. 563-566. 10.1038/ng.2588

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Abstract

As top predators, falcons possess unique morphological, physiological and behavioral adaptations that allow them to be successful hunters: for example, the peregrine is renowned as the world's fastest animal. To examine the evolutionary basis of predatory adaptations, we sequenced the genomes of both the peregrine (Falco peregrinus) and saker falcon (Falco cherrug), and we present parallel, genome-wide evidence for evolutionary innovation and selection for a predatory lifestyle. The genomes, assembled using Illumina deep sequencing with greater than 100-fold coverage, are both approximately 1.2 Gb in length, with transcriptome-assisted prediction of approximately 16,200 genes for both species. Analysis of 8,424 orthologs in both falcons, chicken, zebra finch and turkey identified consistent evidence for genome-wide rapid evolution in these raptors. SNP-based inference showed contrasting recent demographic trajectories for the two falcons, and gene-based analysis highlighted falcon-specific evolutionary novelties for beak development and olfaction and specifically for homeostasis-related genes in the arid environment–adapted saker.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Sustainable Places Research Institute (PLACES)
Subjects: Q Science > QL Zoology
Publisher: Nature Publishing Group
ISSN: 1061-4036
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 05:02
URI: http://orca.cf.ac.uk/id/eprint/47557

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