Genomic History of Neolithic to Bronze Age Anatolia, Northern Levant, and Southern Caucasus
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Ancient Near Eastern populations show significant genetic shifts. Neolithic admixture in Anatolia and the Caucasus was followed by major gene pool replacement in the Levant during the Chalcolithic/Early Bronze Age.
Area Of Science
- Population Genetics
- Ancient DNA Analysis
- Near Eastern History
Background
- The Near East experienced intense interregional interactions from the Late Neolithic to Late Bronze Age.
- Understanding population dynamics during this period is crucial for reconstructing ancient history.
Observation
- Genome-wide data from 110 ancient individuals spanning the Late Neolithic to Late Bronze Age were analyzed.
- Genetic analyses focused on populations in Anatolia, the Southern Caucasus, and the Levant.
Findings
- Neolithic populations in North/Central Anatolia and the Southern Caucasus exhibited mixed ancestry, forming a genetic cline.
- A significant replacement of the Northern Levantine gene pool occurred during the Late Chalcolithic/Early Bronze Age.
- Genetic continuity was observed in Anatolia and the Southern Caucasus, with limited gene flow, and a distinct individual was identified in the Late Bronze Age Northern Levant.
Implications
- The study reveals complex population dynamics, including Neolithic admixture and later large-scale migrations.
- Findings highlight varying patterns of genetic continuity and replacement across different regions of the ancient Near East.
- The research contributes to understanding mobility and admixture in ancient globalized societies.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
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...
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
Phylogenetic trees illustrate the evolutionary relationships among these organisms. Scientists infer organisms’ common ancestry by evaluating shared morphological and genetic characteristics....
Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by Balbiani in salivary glands, intestine, muscles, malpighian tubules, and hypoderm of larvae Chironomus plumosus. Hence, these are also called "Salivary gland chromosomes." These are found in insects of the order Diptera and Collembola; in certain organs of mammals; and synergids, antipodes of flowering plants. Polytene chromosomes are also...
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...
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic...