Related Experiment Video
Updated: Jun 27, 2026
07:57
Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
Published on: August 15, 2018
The Etruscan timeline: a recent Anatolian connection
Francesca Brisighelli1, Cristian Capelli, Vanesa Alvarez-Iglesias
1Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain.
European Journal of Human Genetics : EJHG
|December 4, 2008
Summary
Genetic research reveals a mitochondrial DNA link between ancient Anatolia and Etruria in Tuscany, Italy. This suggests Anatolian lineages arrived in Tuscany between 1,100 and 2,300 years ago.
Area of Science:
- Genetics
- Anthropology
- Ancient History
Background:
- The Etruscan civilization in Tuscany, Italy, is a non-Indo-European society with a debated origin.
- Understanding Etruscan origins is crucial for reconstructing ancient Mediterranean history.
Purpose of the Study:
- To investigate the genetic origins of the Etruscan people.
- To establish a genetic link between Anatolia and ancient Etruria using mitochondrial DNA.
Main Methods:
- Complete mitochondrial DNA (mtDNA) genome sequencing was performed.
- A novel autochthonous Tuscan branch of haplogroup U7 (U7a2a) was analyzed.
Main Results:
- Novel genetic evidence was found, establishing a link between Anatolian and Etruscan populations.
- The estimated time frame for Anatolian lineage arrival in Tuscany ranges from 1.1 ± 0.1 to 2.3 ± 0.4 thousand years before present.
Conclusions:
- The study provides genetic evidence supporting an Anatolian origin or significant gene flow into the Etruscan population.
- This finding contributes to resolving the long-standing controversy surrounding Etruscan origins.
Related Concept Videos
03:18Non-LTR Retrotransposons
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
02:35What is Evolutionary History?
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. Together, the fossil...
01:50Global Climate Change
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
02:56The Fossil Record
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
02:31Synteny and Evolution
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 chromosome underwent...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral chromosome underwent...
01:24Eukaryotic Evolution
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...