NDLI: Ancient DNA from giant extinct lemurs confirms single origin of Malagasy primates

Content Provider	PubMed Central
Author	Karanth, K. Praveen Thomas, Delefosse Berthe, Rakotosamimanana Parsons, Thomas J. Yoder, Anne D.
Copyright Year	2005
Abstract	The living Malagasy lemurs constitute a spectacular radiation of >50 species that are believed to have evolved from a common ancestor that colonized Madagascar in the early Tertiary period. Yet, at least 15 additional Malagasy primate species, some of which were relative giants, succumbed to extinction within the past 2,000 years. Their existence in Madagascar is recorded predominantly in its Holocene subfossil record. To rigorously test the hypothesis that all endemic Malagasy primates constitute a monophyletic group and to determine the evolutionary relationships among living and extinct taxa, we have conducted an ancient DNA analysis of subfossil species. A total of nine subfossil individuals from the extinct genera Palaeopropithecus and Megaladapis yielded amplifiable DNA. Phylogenetic analysis of cytochrome b sequences derived from these subfossils corroborates the monophyly of endemic Malagasy primates. Our results support the close relationship of sloth lemurs to living indriids, as has been hypothesized on morphological grounds. In contrast, Megaladapis does not show a sister-group relationship with the living genus Lepilemur. Thus, the classification of the latter in the family Megaladapidae is misleading. By correlating the geographic location of subfossil specimens with relative amplification success, we reconfirm the global trend of increased success rates of ancient DNA recovery from nontropical localities.
Related Links	http://dx.doi.org/10.1073/pnas.0408354102
Ending Page	5095
Page Count	6
Starting Page	5090
File Format	PDF
ISSN	00278424
e-ISSN	10916490
Journal	Proceedings of the National Academy of Sciences of the United States of America
Issue Number	14
Volume Number	102
Language	English
Publisher	National Academy of Sciences
Publisher Date	2005-04-05
Access Restriction	Open
Rights Holder	National Academy of Sciences
Subject Keyword	General Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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