Temas Variados

Extremophiles were first discovered just 40 years ago in the hot springs of Yellowstone National Park. Since their discovery, scientists around the world have worked to find how extremophiles mightbe useful to humans, and how they might harm humans. Thermophiles were the first extremophile to be discovered, but other extremophiles have been found living in ice, deep under the surface of theocean, in salty environments, and in environments with both high and low Ph levels. The United States, Germany, and Japan are three of the countries that are searching for extremophiles. Scientists havefound a few extremozymes that can be used today. As scientists continue to search, they will find more.When these organisms were found living in harsh environments that would kill any other organism,scientists began trying to understand how they were able to survive. The proteins inside extremophiles each adapted to the habitat where the extremophile lived. It was discovered that each type ofextremophile had enzymes that were resistant to extreme heat, saline, acids, high/low Ph, and high barometric pressure.Since extremophiles use proteins in different ways than other microorganisms do,scientists are working on adding a sixth kingdom in the classification of life just for the extremophiles. This classification will be called archea and it will include all prokaryotic and eukaryoticextremophiles. |
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Small submersible machines are used to study extremophiles at the deepest part of the oceans. |   |   | This black smoker makes thewater in the deepest part of the ocean warm enough to support life. |   | |
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