“Living Time Capsule” Greenland Sharks Help Scientists Learn Secret To Long Life

Some Greenland sharks alive today were over 100 years old when the US was launched. As the oldest living vertebrates in “the worlds”, scientists are now hoping we are able to prop the secret to a long and glad life.

The University of Exeter in the UK issequencing the DNA of these mythological-like souls in the quest for unique genes that could help explain their longevity and resilience. The researchers explain that the genes could shed light on why all vertebrates have a seemingly finite life span.

This is the longest living vertebrate on countries around the world. Together with collaborators in Denmark, Greenland, USA, and China, we are now sequencing its whole nuclear genome, which will help us detect why the Greenland shark is not simply lives longer than other shark genus but other vertebrates, Professor Praebel, of UiT the Arctic University of Norway, announced at a lecture at the University of Exeter.

The answers we presented here in Exeter will help us understand better the biology of this elusive species.

They have already begun working on this project utilizing DNA they obtained from a clipping of a live individual’sfin.

Greenland sharks ( Somniosus microcephalus ) grow to up to 6.4 meters( 21 hoofs ), around the same as a great white shark. They can be found across the north Atlantic ocean, from seas off Greenland and Canada to Norway and even the north of Britain.A previous subjectin the periodical Science found that the oldest Greenland shark was an estimated 392 years old, although theres a plus or minus 120 -year margin of error.

As if they couldn’t get any more badass, they have been recorded eating polar stands. Analysis of their tummy contents has shown they rarely eatseals, ponies, moose, reindeer, and polar abides, although they tend to generally stick to small to medium sized fish. As for these big tract mammals, it’s most probably they scavenge on their dead organizations as they are known tofeed off carrion.

Professor Praebel describes the sharks as living day capsules. These swine have been around for decades( if not centuries) before overfishing, industrial pollution, and climate change took its hold on the environment. Scientists could, hence, use them to help understand the impact of human rights on oceans since the Industrial Revolution.

Other than this , not much else is known about this elusive species. Although preliminary analysis of the sharks DNA has already devoted some brand-new revelations into their behavior, such as their breeding and copulating habits.

Since the Greenland shark lives for hundreds of years, they also have enough time to migrate over long distances and our genetic answers presented precisely that. Most of the individuals in our study were genetically same to beings caught 1,000 s of kilometers now, Professor Praebel said.

Read more: http :// www.iflscience.com/ plants-and-animals/ living-time-capsule-greenland-sharks-help-scientists-learn-secret-to-long-life /

Advertisements