NDLI: Mitochondrial Genome and Nuclear Markers Provide New Insight into the Evolutionary History of Macaques

Content Provider	PubMed Central
Author	Jiang, Juan Yu, Jianqiu Li, Jing Li, Peng Fan, Zhenxin Niu, Lili Deng, Jiabo Yue, Bisong
Editor	Stanyon, Roscoe
Copyright Year	2016
Abstract	The evolutionary history of macaques, genus Macaca, has been under debate due to the short times of divergence. In this study, maternal, paternal, and biparental genetic systems were applied to infer phylogenetic relationships among macaques and to trace ancient hybridization events in their evolutionary history. Using a PCR display method, 17 newly phylogenetically informative Alu insertions were identified from M. assamensis. We combined presence/absence analysis of 84 Alu elements with mitochondrial genomes as well as nuclear sequences (five autosomal genes, two Y chromosomal genes, and one X chromosomal fragment) to reconstruct a robust macaque phylogeny. Topologies generated from different inherited markers were similar supporting six well defined species groups and a close relationship of M. assamensis and M. thibetana, but differed in the placing of M. arctoides. Both Alu elements and nuclear genes supported that M. arctoides was close to the sinica group, whereas the mitochondrial data clustered it into the fascicularis/mulatta lineage. Our results reveal that a sex-biased hybridization most likely occurred in the evolutionary history of M. arctoides, and suggest an introgressive pattern of male-mediated gene flow from the ancestors of M. arctoides to the M. mulatta population followed by nuclear swamping. According to the estimation of divergence dates, the hybridization occurred around 0.88~1.77 mya (nuclear data) or 1.38~2.56 mya (mitochondrial data). In general, our study indicates that a combination of various molecular markers could help explain complicated evolutionary relationships. Our results have provided new insights into the evolutionary history of macaques and emphasize that hybridization might play an important role in macaque evolution.
Related Links	http://dx.doi.org/10.1371/journal.pone.0154665
Starting Page	154665
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	5
Volume Number	11
Language	English
Publisher	Public Library of Science
Publisher Date	2016-05-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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