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Phylogenomics of white-eyes, a 'great speciator', reveals Indonesian archipelago as the center of lineage diversity

Phylogenomics of white-eyes, a 'great speciator', reveals Indonesian archipelago as the center of lineage diversity
Phylogenomics of white-eyes, a 'great speciator', reveals Indonesian archipelago as the center of lineage diversity

Archipelagoes serve as important 'natural laboratories' which facilitate the study of island radiations and contribute to the understanding of evolutionary processes. The white-eye genus Zosterops is a classical example of a 'great speciator', comprising c. 100 species from across the Old World, most of them insular. We achieved an extensive geographic DNA sampling of Zosterops by using historical specimens and recently collected samples. Using over 700 genome-wide loci in conjunction with coalescent species tree methods and gene flow detection approaches, we untangled the reticulated evolutionary history of Zosterops, which comprises three main clades centered in Indo-Africa, Asia, and Australasia, respectively. Genetic introgression between species permeates the Zosterops phylogeny, regardless of how distantly related species are. Crucially, we identified the Indonesian archipelago, and specifically Borneo, as the major center of diversity and the only area where all three main clades overlap, attesting to the evolutionary importance of this region.

2050-084X
Gwee, Chyi Yin
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Garg, Kritika M
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Chattopadhyay, Balaji
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Sadanandan, Keren R
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Prawiradilaga, Dewi M
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Irestedt, Martin
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Lei, Fumin
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Bloch, Luke M
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Lee, Jessica G.H.
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Irham, Mohammad
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Haryoko, Tri
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Soh, Malcolm CK
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Peh, Kelvin S-H
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Rowe, Karen MC
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Ferasyi, Teuku Reza
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Wu, Shaoyuan
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Wogan, Guinevere OU
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Bowie, Rauri CK
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Rheindt, Frank E
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Gwee, Chyi Yin
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Garg, Kritika M
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Chattopadhyay, Balaji
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Sadanandan, Keren R
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Prawiradilaga, Dewi M
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Irestedt, Martin
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Lei, Fumin
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Bloch, Luke M
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Lee, Jessica G.H.
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Irham, Mohammad
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Haryoko, Tri
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Soh, Malcolm CK
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Peh, Kelvin S-H
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Rowe, Karen MC
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Ferasyi, Teuku Reza
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Wu, Shaoyuan
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Wogan, Guinevere OU
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Bowie, Rauri CK
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Rheindt, Frank E
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Gwee, Chyi Yin, Garg, Kritika M, Chattopadhyay, Balaji, Sadanandan, Keren R, Prawiradilaga, Dewi M, Irestedt, Martin, Lei, Fumin, Bloch, Luke M, Lee, Jessica G.H., Irham, Mohammad, Haryoko, Tri, Soh, Malcolm CK, Peh, Kelvin S-H, Rowe, Karen MC, Ferasyi, Teuku Reza, Wu, Shaoyuan, Wogan, Guinevere OU, Bowie, Rauri CK and Rheindt, Frank E (2020) Phylogenomics of white-eyes, a 'great speciator', reveals Indonesian archipelago as the center of lineage diversity. eLife, 9. (doi:10.7554/eLife.62765).

Record type: Article

Abstract

Archipelagoes serve as important 'natural laboratories' which facilitate the study of island radiations and contribute to the understanding of evolutionary processes. The white-eye genus Zosterops is a classical example of a 'great speciator', comprising c. 100 species from across the Old World, most of them insular. We achieved an extensive geographic DNA sampling of Zosterops by using historical specimens and recently collected samples. Using over 700 genome-wide loci in conjunction with coalescent species tree methods and gene flow detection approaches, we untangled the reticulated evolutionary history of Zosterops, which comprises three main clades centered in Indo-Africa, Asia, and Australasia, respectively. Genetic introgression between species permeates the Zosterops phylogeny, regardless of how distantly related species are. Crucially, we identified the Indonesian archipelago, and specifically Borneo, as the major center of diversity and the only area where all three main clades overlap, attesting to the evolutionary importance of this region.

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More information

In preparation date: 4 November 2020
Accepted/In Press date: 21 December 2020
Published date: 22 December 2020
Additional Information: © 2020, Gwee et al.

Identifiers

Local EPrints ID: 445821
URI: http://eprints.soton.ac.uk/id/eprint/445821
ISSN: 2050-084X
PURE UUID: ee28cb1a-d14f-4c64-9178-9deb8e16b89c
ORCID for Kelvin S-H Peh: ORCID iD orcid.org/0000-0002-2921-1341

Catalogue record

Date deposited: 08 Jan 2021 17:31
Last modified: 18 Feb 2021 17:19

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Contributors

Author: Chyi Yin Gwee
Author: Kritika M Garg
Author: Balaji Chattopadhyay
Author: Keren R Sadanandan
Author: Dewi M Prawiradilaga
Author: Martin Irestedt
Author: Fumin Lei
Author: Luke M Bloch
Author: Jessica G.H. Lee
Author: Mohammad Irham
Author: Tri Haryoko
Author: Malcolm CK Soh
Author: Kelvin S-H Peh ORCID iD
Author: Karen MC Rowe
Author: Teuku Reza Ferasyi
Author: Shaoyuan Wu
Author: Guinevere OU Wogan
Author: Rauri CK Bowie
Author: Frank E Rheindt

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