Did You Know Octopus DNA Is Not Of This World?

Did You Know Octopus DNA Is Not Of This World?

No other DNA is like an octopus. No one knows where their genes come from. They’re called ‘de novo’, which means ‘out of nowhere’.

That’s true — octopus DNA is rather weird. In fact, when the octopus genome was sequenced in 2015, it led some scientists to describe it as alien because it was so different from what we normally see in animals.

Ocean mysteries

The oceans of our planet hide countless mysteries that could perhaps help answer numerous mysteries of life itself. During the last couple of decades, marine biologists have made small but steady progress towards a deeper understanding of nature and life.

A group of researchers decided to do some science and chose the cephalopods in order to try and break down their DNA code, hoping to understand them better.

The octopus, squid, and cuttlefish are integrated into the coleoid sub-class of the molluscs. They have an evolutionary history that goes back over 500 million years, a period long before plants moved onto land. These creatures inhabit nearly every single ocean at almost any depth.

Did You Know Octopus DNA Is Not Of This World?

They are mainly characterized by a vast range of incredible morphological wrinkles: camera-like eyes, really flexible bodies, and ‘sophisticated’ chameleonic response. All of this is ruled by the larger nervous system found among invertebrates, which makes these beings the rulers of the oceans.

They possess highly developed brains and are considered as the most intelligent invertebrate demonstrating elaborate problem-solving behaviors. And so if it wasn’t freaky enough for octopuses to open up jam jars, scientists have just concluded that these aquatic creatures are even more mysterious.

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Weird octopus

Of the approximate 8.7 million species on planet Earth, octopuses are among the most bizarre. These eight-legged brainiacs can camouflage themselves in the blink of an eye, can unscrew themselves out of sealed jars, and have not one but three hearts. Weirder yet, octopuses are now understood to be able to change their genetic code. And after studying their DNA, a group of scientists are making a shocking claim that they might be aliens… yes, aliens.

Thanks to the first-ever full genome sequence, researchers have found that octopuses (NOT Octopi) are in fact entirely different from any other animals on our planet. Their genome shows a never-before-seen level of complexity with a staggering 33,000 protein-coding genes identified, more than in a human being.

US researcher Dr. Clifton Ragsdale, from the University of Chicago, said: The octopus appears to be utterly different from all other animals, even other molluscs, with its eight prehensile arms, its large brain, and its clever problem-solving abilities.

Octopus genome

One of the mains reasons why researchers decided to investigate the molecular basis of cephalopod brain, was its ability to adapt instantly its neural network properties which result in a great impact in memory and learning capacity. These specific capabilities offer an explanation within the genome that incorporates biological mechanisms that allow tissues to rapidly change proteins in order to alter their function.

According to researchers from the University of Chicago, the octopus genome is enriched in transposons, commonly referred to as “jumping genes,” which can rearrange themselves on the genome. Even though their role in octopuses is unclear, researchers found elevated transposon expression in neural tissues. Transposons are known to have the ability to affect the regulation of gene expression and are believed to play major roles in shaping genome structure.

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“With a few notable exceptions, the octopus basically has a typical invertebrate genome that’s just been completely rearranged, like it’s been put into a blender and mixed,” said Caroline Albertin, co-lead author and graduate student in Organismal Biology and Anatomy at the University of Chicago. “This leads to genes being placed in new genomic environments with different regulatory elements, and was an entirely unexpected finding.”

Are they aliens indeed?

Did You Know Octopus DNA Is Not Of This World?

Researchers have found a new map of the octopus genetic code that is so strange that it could be actually be an “alien”.

The scientific report mainly concluded that Octopuses share ‘Alien’ genes.This has been a ground shaking claim in the scientific community which caused an upheaval among marine biologists who seemed to be shocked and intrigued at the same time.

Obviously no one thinks the octopus is an “alien” from another planet, mostly the alien quip is a “joke.” But it certainly is alien to standard evolutionary expectations that genomes of related species ought to be highly similar.

Bottom line

It turns out that apparently, we’ve had under our nose a link to humanity’s mysteries, and many of life’s greatest enigmas can be solved if we only decide to pay more attention to our ocean and everything inside of it.

The genetics of these organisms, which today include octopuses, squid, and cuttlefish, are as weird as the animals themselves, due in part to their ability to their ability to edit their DNA on the fly.

At the end of the day, there’s still a lot to uncover, as scientists have only scratched the surface of breaking down the genome. Whether either assessment is accurate is still undetermined, but one thing is for sure: life on Earth is unimaginably diverse and often mysterious. Still, as the practice continues to be innovative, genome mapping projects can reveal so much about the world that we don’t yet know.

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Did You Know Octopus DNA Is Not Of This World?
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