Wednesday, January 28, 2009

Immortal Jellyfish?


The Turritopsis Nutricula is able to revert back to a juvenile form once it mates after becoming sexually mature.

Marine biologists say the jellyfish numbers are sky rocketing because they need not die. The jellyfish are originally from the Caribbean but have spready all over the world.

Turritopsis Nutricula is technically known as a hydrozoan and is the only known animal that is capable of reverting completely to its younger self. It does this through the cell development process of transdifferentiation.

Scientists believe the cycle can repeat indefinitely, rendering it potentially immortal.

While most members of the jellyfish family usually die after propagating, the Turritopsis nutricula has developed the unique ability to return to a polyp state.

This tiny creature (just 5mm long) is the focus of many intricate studies by marine biologists and geneticists to see exactly how it manages to literally reverse its aging process.

Original article here.

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