Ancient DNA of northern China Hystricidae sub-fossils reveals the evolutionary history of old world porcupines in the Late Pleistocene

BMC Evolutionary Biology
Guilian ShengXulong Lai

Abstract

Old World porcupines (Family: Hystricidae) are the third-largest rodents and inhabit southern Europe, Asia, and most regions of Africa. They are a typical indicator of warm climate and their distribution is restricted to tropical and subtropical zones. In China, porcupines are widely distributed in southern areas of the Yangtze River. However, fossil remains have been identified in a few sites in northern China, among which Tianyuan Cave-near Zhoukoudian site-represents the latest known porcupine fossil record. So far, studies have focused mainly on porcupines' husbandry and domestication but little is known about their intrafamilial phylogenetic relationships and evolutionary history. In this study, we sequence partial mitochondrial 12S rRNA and cyt b genes for seven Late Pleistocene porcupine individuals from Northern, Southern and Central China. Phylogenetic analyses show that the Tianyuan Cave porcupines, which had been morphologically identified as Hystrix subcristata, have a closer relationship to Hystrix brachyura. Together with morphological adaptation characteristics, associated fauna, and climate change evidence, the molecular results reveal that a Late Quaternary extirpation has occurred during the evolutionary histo...Continue Reading

References

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May 2, 2001·Nature Reviews. Genetics·M HofreiterS Pääbo
Apr 5, 2007·Nature Protocols·Holger RömplerMichael Hofreiter
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Datasets Mentioned

BETA
MK579190
MK579191
MK419154
MK419155
JQ991599
FJ472546
FJ4725769

Methods Mentioned

BETA
PCR
PCRs

Software Mentioned

BioEdit
MEGA7

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