古人类杂交与人类变异的进化。

IF 1.9 3区 生物学 Q2 BIOLOGY
Journal of Biological Research-Thessaloniki Pub Date : 2016-07-16 eCollection Date: 2016-12-01 DOI:10.1186/s40709-016-0054-7
Kwang Hyun Ko
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引用次数: 14

摘要

线粒体夏娃证实了“走出非洲”的理论,但证据也支持智人与其他人类之间的杂交:尼安德特人、丹尼索瓦人和海德堡人。这篇文章解释了早期智人与古人类的杂交是如何发生的。东亚地区可食用昆虫的出现,帮助了尼安德特人的传播,他们与亚洲的智人杂交,导致了东亚人群中尼安德特人DNA的高度混合。智人与尼安德特人杂交程度的地理差异可能导致现代人神经和行为上的差异。同样,拥有丹尼索瓦人遗传混合基因的人更能在山区生活,使他们的遗传遗产能够跨越喜马拉雅山脉,在东南亚和大洋洲的智人中留存下来。在撒哈拉以南地区,没有受到丹尼索瓦人或尼安德特人杂交的影响,智人与海德堡人杂交,因为高湿度不利于生火,使这些不生火的古人类得以生存。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Hominin interbreeding and the evolution of human variation.

Hominin interbreeding and the evolution of human variation.

Hominin interbreeding and the evolution of human variation.

Hominin interbreeding and the evolution of human variation.

Mitochondrial Eve confirms the "out of Africa" theory, but the evidence also supports interbreeding between Homo sapiens and other hominins: Neanderthals, Denisovans, and Homo heidelbergensis. This article explains how interbreeding between early H. sapiens and archaic hominins occurred. The availability of edible insects in East Asia aided the spread of the unaggressive, highly cooperative Neanderthals, who interbred with H. sapiens in Asia, resulting in a higher admixture of Neanderthal DNA in East Asian populations. Geographical variation in degree of interbreeding between H. sapiens and Neanderthals likely contributed to neurological and behavioral differences in modern humans. Similarly, people with Denisovan genetic admixture were better able to dwell in mountainous regions, allowing their genetic legacy to cross the Himalayas and persist in Southeast Asian and Oceanian H. sapiens. In the Sub-Saharan region, unaffected by Denisovan or Neanderthal interbreeding, H. sapiens interbred with H. heidelbergensis, because high humidity militated against fire-making and allowed the survival of these non-fire-making hominins.

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来源期刊
CiteScore
5.20
自引率
0.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Journal of Biological Research-Thessaloniki is a peer-reviewed, open access, international journal that publishes articles providing novel insights into the major fields of biology. Topics covered in Journal of Biological Research-Thessaloniki include, but are not limited to: molecular biology, cytology, genetics, evolutionary biology, morphology, development and differentiation, taxonomy, bioinformatics, physiology, marine biology, behaviour, ecology and conservation.
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