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Kingdom Monera: Extremophiles
Concepts tested here
- Pressure-loving microbes
All Questions
2005 AIPMT 1 question
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Barophilic prokaryotes -The prefix 'baro' refers to pressure, not to barium.
Barophilic (piezophilic) prokaryotes are micro-organisms that grow best at high hydrostatic pressure.
Such pressures are found in the deep oceans, so barophiles grow and multiply in very deep marine sediments and deep sea waters, where the pressure may be hundreds of atmospheres.
Their membranes and enzymes are adapted to work under these pressures.
They have nothing to do with barium salts, and organisms of alkaline frozen lakes would be alkaliphiles and psychrophiles.
So barophilic prokaryotes grow and multiply in very deep marine sediments.