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https://hdl.handle.net/2440/132871
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Type: | Journal article |
Title: | Ancient and modern genomes unravel the evolutionary history of the rhinoceros family |
Author: | Liu, S. Westbury, M.V. Dussex, N. Mitchell, K.J. Sinding, M.-H.S. Heintzman, P.D. Duchêne, D.A. Kapp, J.D. von Seth, J. Heiniger, H. Sánchez-Barreiro, F. Margaryan, A. André-Olsen, R. De Cahsan, B. Meng, G. Yang, C. Chen, L. van der Valk, T. Moodley, Y. Rookmaaker, K. et al. |
Citation: | Cell, 2021; 184(19):4874-4885 |
Publisher: | Elsevier |
Issue Date: | 2021 |
ISSN: | 0092-8674 1097-4172 |
Statement of Responsibility: | Shanlin Liu, Michael V. Westbury, Nicolas Dussex, Kieren J. Mitchell, Mikkel-Holger S.Sinding, Peter D.Heintzman |
Abstract: | Only five species of the once-diverse Rhinocerotidae remain, making the reconstruction of their evolutionary history a challenge to biologists since Darwin. We sequenced genomes from five rhinoceros species (three extinct and two living), which we compared to existing data from the remaining three living species and a range of outgroups. We identify an early divergence between extant African and Eurasian lineages, resolving a key debate regarding the phylogeny of extant rhinoceroses. This early Miocene (∼16 million years ago [mya]) split post-dates the land bridge formation between the Afro-Arabian and Eurasian landmasses. Our analyses also show that while rhinoceros genomes in general exhibit low levels of genome-wide diversity, heterozygosity is lowest and inbreeding is highest in the modern species. These results suggest that while low genetic diversity is a long-term feature of the family, it has been particularly exacerbated recently, likely reflecting recent anthropogenic-driven population declines. |
Keywords: | Rhinoceros, Perissodactyl, Conservation genomics, Phylogenomics, Genomic diversity. |
Rights: | © 2021 The Authors. Published by Elsevier Inc. |
DOI: | 10.1016/j.cell.2021.07.032 |
Grant ID: | http://purl.org/au-research/grants/arc/FL140100260 |
Published version: | http://dx.doi.org/10.1016/j.cell.2021.07.032 |
Appears in Collections: | Biochemistry publications |
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