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总结
多家外媒报道，科研人员在西伯利亚永冻土中保存完好的约1.44万年前狼幼崽木乃伊胃内容物里，检测到披毛犀（已灭绝冰河时期犀牛）的DNA，并据此完成披毛犀基因组测序。研究团队将该基因组与既有样本对比，用于补充披毛犀晚更新世末期的遗传信息，评估其遗传多样性与种群变化，从而为讨论其走向灭绝的时间线与驱动因素提供新证据。成果也显示“捕食者食物残留”可成为获取古DNA的重要来源。
正文
Scientists sequence a woolly rhino genome from a 14,400-year-old wolf's stomach Ars Technica What a Wolf Pup's Stomach Revealed About the Woolly Rhino's Extinction The New York Times In the stomach of a mummified wolf pup, scientists find DNA from a woolly rhinoceros NBC News Wolf's dinner preserved in Siberia for 14,400 years sheds light on woolly rhino The Guardian Scientists Find Extinct Rhino DNA in Wolf Pup Mummy's Stomach Scientific American
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