The Mariana Trench is the deepest feature of the Earth's surface. The water column there exerts a pressure of more than one thousand times normal atmospheric pressure at sea level, enough pressure to crush an SUV. Yet many organisms thrive in this seemingly inhospitable environment. A Japanese research team has been investigating how deep-sea bacteria adapt to such high-pressure conditions. They have identified a structural change that confers pressure-resistant properties on a particular protein found in bacteria.
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