大规模的词汇和遗传对齐支持汉族中国人口和文化扩散的混合模型
Chengkun Yang1, Xiaoxi Zhang2,3, Shi Yan4
1State Key Laboratory of Genetic Engineering, Center for Evolutionary Biology, Human Phenome Institute, Zhangjiang Fudan International Innovation Center, School of Life Science, Fudan University, Shanghai, China.
Nature human behaviour
|May 13, 2024
概括
调查汉族中国历史揭示了一种混杂的民族和文化传播模式. 遗传学和语言学分析显示,中国中部地区的菌扩散,西南地区的文化扩散.
科学领域:
- 人口遗传学 人口遗传学
- 历史语言学 历史语言学
- 生物信息学是一种生物信息学.
背景情况:
- 汉族中国历史受人口和文化因素的影响.
- 鉴于有限的基因-语言一致性研究,评估demic (基因流动) 和文化传播对汉语和文化的影响是具有挑战性的.
研究的目的:
- 为了研究在塑造汉族汉语和遗传构成中的民族和文化传播的相互作用.
- 量化跨汉族中国人群的遗传语言一致性.
主要方法:
- 数字化了大量的语言库存 (1,018个词汇特征,926个方言品种).
- 在语言数据上采用了遗传学分析和混合推断.
- 综合了来自26个省份的30408名汉族人群的遗传数据.
主要成果:
- 揭示了词汇差异的南北梯度,暗示了历史上的迁移.
- 量化了显著的水平语言转移,将中国中部确定为方言中心.
- 展示了一种混合模型:中国中部的民族传播,西南的文化传播,沿海地区的语言同化.
结论:
- 汉族人口历史是遗传和文化交流的复杂相互作用.
- 在中国中部的遗传景观中,demic扩散起到了关键作用.
- 文化传播和语言同化显著塑造了其他汉族地区.
相关概念视频
02:29Hybrid Zones
17.0K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
17.0K
01:27Language and Cognition
343
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
343
02:31Synteny and Evolution
3.3K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.3K
01:54Convergent Evolution
27.7K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
27.7K
02:39Gene Flow
35.1K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
35.1K
02:54Evolutionary Relationships through Genome Comparisons
5.7K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
5.7K