Abstract
Genomic data are important for understanding the origin and evolution of traits. Under the context of rapidly developing of sequencing technologies and more widely available genome sequences, researchers are able to study evolutionary mechanisms of traits via comparative genomic methods. Compared with other vertebrates, bird genomes are relatively small and exhibit conserved synteny with few repetitive elements, which makes them suitable for evolutionary studies. Increasing genomic progress has been reported on the evolution of powered flight, body size variation, beak morphology, plumage colouration, high-elevation colonization, migration, and vocalization. By summarizing previous studies, we demonstrate the genetic bases of trait evolution, highlighting the roles of small-scale sequence variation, genomic structural variation, and changes in gene interaction networks. We suggest that future studies should focus on improving the quality of reference genomes, exploring the evolution of regulatory elements and networks, and combining genomic data with morphological, ecological, behavioural, and developmental biology data.
Keywords: Traits, bird, evolution, comparative genomics, genomic data, phylogenomic.
Current Genomics
Title:Comparative Genomics and Evolution of Avian Specialized Traits
Volume: 22 Issue: 7
Author(s): Lei Wu, Xiaolu Jiao, Dezhi Zhang, Yalin Cheng, Gang Song, Yanhua Qu and Fumin Lei*
Affiliation:
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650201, China
Keywords: Traits, bird, evolution, comparative genomics, genomic data, phylogenomic.
Abstract: Genomic data are important for understanding the origin and evolution of traits. Under the context of rapidly developing of sequencing technologies and more widely available genome sequences, researchers are able to study evolutionary mechanisms of traits via comparative genomic methods. Compared with other vertebrates, bird genomes are relatively small and exhibit conserved synteny with few repetitive elements, which makes them suitable for evolutionary studies. Increasing genomic progress has been reported on the evolution of powered flight, body size variation, beak morphology, plumage colouration, high-elevation colonization, migration, and vocalization. By summarizing previous studies, we demonstrate the genetic bases of trait evolution, highlighting the roles of small-scale sequence variation, genomic structural variation, and changes in gene interaction networks. We suggest that future studies should focus on improving the quality of reference genomes, exploring the evolution of regulatory elements and networks, and combining genomic data with morphological, ecological, behavioural, and developmental biology data.
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Cite this article as:
Wu Lei, Jiao Xiaolu, Zhang Dezhi, Cheng Yalin, Song Gang, Qu Yanhua and Lei Fumin*, Comparative Genomics and Evolution of Avian Specialized Traits, Current Genomics 2021; 22 (7) . https://dx.doi.org/10.2174/1389202923666211227143952
DOI https://dx.doi.org/10.2174/1389202923666211227143952 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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