Life at High Temperatures – Thermophiles

Earlier, the highest temperature reported for Prokaryotic growth was only 105 degree C. But now, the existence of Thermophiles is well known. Thermophiles grow in sulfide chimneys or black smokers located along ocean floor. These chimneys have temperatures as high as 450 degree C. Facts say that Microbes can live at temperatures near 120 – 130 degree C. But we all know that water boils at 100 degree C and how can microbes survive in a boiling water? The fact is that the pressure at sea floor is so high that water doesn’t boil and microbes live there. Examples of thermophiles are – Pyrodictium occultum, Pyrolobus fumarii, Thermus aquaticus,  etc.

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