Scientists extract DNA from 2,900-year-old Assyrian time capsule

Bricks dated and identified by inscription in Sumero-Akkadian cuneiform script pronouncing them property of palace of King Ashrnaspirpal II who ruled the Neo-Assirian empire from 883 to 859 BCE
For the first time, a group of researchers successfully extracted DNA from clay bricks dating back 2,900 years. The bricks that are today housed in the Danish National Museum, were molded from mud and mixed with botanical material such as chaff or straw, or animal dung.
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They were identified and dated by inscriptions in Sumero-Akkadian cuneiform script pronouncing them property of the palace of King Ashrnaspirpal II who ruled the Neo-Assirian empire from 883 to 859 BCE, in the city Kalhu on the banks of the Tigris River, south of modern-day Nimrud in Iraq. The site was first excavated by British archeologists in 1949.
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Cuneiform script on a mud brick taken from a 2,900 year old palace in modern-day Iraq
Cuneiform script on a mud brick taken from a 2,900 year old palace in modern-day Iraq
Cuneiform script on a mud brick taken from a 2,900-year- old palace in modern-day Iraq
(Photo: Arnold Mikkelsen, Jens Lauridsen)
According to a study published in the Scientific Report, the DNA from 34 unique taxonomic groups of plants was detected in the bricks that were protected from contamination inside a mass of clay. "The aDNA screening showed plant species from seven distinct families," the researchers wrote. " The most abundant sequences of plants were from the families Brassicaceae (cabbage) and Ericaceae (heather). Furthermore, contributions were observed from the families Betulaceae (birch), Lauraceae (laurels), Selineae (umbellifers) and Triticeae (cultivated grasses)."
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The statue of King Ashurnasirpal II
The statue of King Ashurnasirpal II
The statue of King Ashurnasirpal II
(Photo: Shutterstock)
The researchers noted that the fact that the bricks were left to dry in the sun, preserved them for centuries and enabled the extraction of the DNA. "The data we obtained from this brick presented an entirely new opportunity to study different aspects of the ninth-century BCE.," they wrote.
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