At the bottom of the Mariana Trench, giant viruses were discovered: what is known about them

At the bottom of the Mariana Trench, giant viruses were discovered: what is known about them

Researchers in Shanghai have unearthed a group of giant viruses from the deepest part of the Mariana Trench. Because of the need to adapt to extreme stress, viruses have been able to grow to incredible size. Elevated mimiviruses exceed the size of some bacteria.

Stated in it Materials Bangkok Post.

Yes, most legends about sea monsters at the bottom of the Mariana Trench have been accurately refuted, because at such depths large and complex creatures face extreme conditions. In particular, we are talking about low temperatures and extreme pressures.

However, there are several giant viral species, including mimiviruses that survive at depths of about 11,000 meters above sea level. Giant viruses are found in other, more intense places, but due to the high pressure – 1100 times higher than the atmosphere – they have reached extraordinary sizes.

Mimivirus Akantamoba polyphaga is a species of mimivirus that is hosted by the amoeba Akantamoba. It was only in October 2011 that mimiviruses were proven not to be the largest in nature: the larger megavirus chilensis described. But mimiviruses are believed to have the largest capsid – about 500 nm in diameter. Unlike other viruses, they can be seen under a light microscope.

At the bottom of the Mariana Trench, the mimic virus population was 4% of the total viral population. A total of 15 different types of viruses and more than 100 species of other microorganisms were raised from the bottom.

Mimiviruses have undergone an “inversion”, that is, from microorganisms to viruses, but retain many of the reproductive functions in their genes. It is believed that these genes may have played a role in the fight for survival in very deep conditions.

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Therefore, the analysis shows that the giant virus can use production genes to help its hosts – fungi or monocytes, accelerate the breakdown of absorbed carbohydrates, and accelerate metabolism and growth, giving hosts and viruses an advantage in competition.

Meanwhile, scientists from Germany conducted a study and stated it Extraordinary heat threatens mankind. In the coming years, according to scientists, the temperature of the planet will only increase.

We would also like to remind you that it was discovered in Sri Lanka The world’s largest star sapphire. Those who dug a well accidentally made a valuable discovery. The sapphire is valued at $ 100 million.

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