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"The shark’s remarkable longevity first came to light in 2016, when a landmark study published in Science used radiocarbon dating methods and modeling techniques to estimate the ages of 28 Greenland sharks.
The researchers found that the oldest sharks could live for about 400 years and reached sexual maturity around age 150."
https://www.nytimes.com/2024/09/22/science/greenland-sharks-genetics.html
"Here, we present a chromosome-level assembly of the 6.45 Gb Greenland shark, rendering it one of the largest non-tetrapod genomes sequenced so far. Expansion of the genome is mostly accounted for by a substantial expansion of transposable elements. Using public shark genomes as a comparison, we found that genes specifically duplicated in the Greenland shark form a functionally connected network enriched for DNA repair function."
#Preprint
https://www.biorxiv.org/content/10.1101/2024.09.09.611499v1