Tuesday, October 27, 2026

“Secrets of Oldest Tortoise’s Longevity Revealed”

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In a recent study, researchers delved into the genetic makeup of Jonathan, an Aldabra giant tortoise who holds the record as the oldest land animal, believed to be around 194 years old. Led by Dr. Stephen Clark from the longevity nonprofit Kallel, the team scrutinized Jonathan’s genome to uncover the secrets behind his remarkable longevity. The results, published in Science Advances, revealed that the sections of Jonathan’s genome responsible for gene regulation paralleled those of much younger tortoises, shedding light on his exceptional lifespan.

Jonathan resides on the property of the St. Helena governor’s residence, where he continues to defy the limitations of aging. The study marks a significant step towards understanding the biological mechanisms that contribute to longevity in certain species.

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