First Greenland shark genome sequenced, revealing genetic secrets to 400-year lifespan and cancer resistance
By
Chris Simms
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Summary
Scientists have completed the first whole-genome sequence of the Greenland shark, the longest-lived vertebrate species. The research reveals genetic adaptations related to DNA repair and cancer suppression that may explain their extreme longevity (potentially over 400 years) and resistance to age-related diseases. The findings could provide insights into aging and cancer mechanisms in humans.
Key quotes
· 3 pulledThe first-ever whole-genome sequence of a Greenland shark has revealed genetic clues to how the animals avoid cancer and live for hundreds of years.
The work may pave the way to a better understanding of age-related diseases in humans.
Greenland sharks (Somniosus microcephalus) typically grow to about 13 to 16 feet (4 to 5 meters) and live long lives in the North Atlantic and Arctic oceans.
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