CHICAGO – Scientists in Spain have unlocked the genetic code of the immortal jellyfish – a creature capable of repeatedly reverting into a juvenile state – in hopes of unearthing the secret to their unique longevity, and find new clues to human ageing. In their study, published on Monday (Aug 29) in the Proceedings of the National Academy of Sciences,...
Jellyfish are seen in a new aquarium dedicated to 45 different delicate species at the Paris Aquarium, France, on Jan 16, 2019.CHICAGO – Scientists in Spain have unlocked the genetic code of the immortal jellyfish – a creature capable of repeatedly reverting into a juvenile state – in hopes of unearthing the secret to their unique longevity, and find new clues to human ageing.
Like other types of jellyfish, the T. dohrnii goes through a two-part life cycle, living on the sea floor during an asexual phase, where its chief role is to stay alive during times of food scarcity.Although many types of jellyfish have some capacity to reverse aging and revert to a larval stage, most lose this ability once they reach sexual maturity, the authors wrote. Not so for T. dohrnii.
This trick earned the species its nickname as the immortal jellyfish, a term Graham admits is a bit hyperbolic. They also appear to be better at maintaining the ends of chromosomes called telomeres. In humans and other species, telomere length has been shown to shorten with age."We can't look at it as, hey, we are going to harvest these jellyfish and turn it into a skin cream," he said.
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