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what are gas vacuoles?

 

  • Gas vacuoles are gas filled structures. Analysis of the gas inside bubbles which formed following destruction of gas vacuoles gave rise to the idea that, the vacuoles were filled with nitrogen and their function might be to store gases. These gas vacuoles provide buoyancy and light shielding in the cells.

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Gas vacuoles are aggregates of hollow cylindrical structures called gas vesicles. They are located inside some bacteria . A membrane that is permeable to gas bound each gas vesicle. The inflation and deflation of the vesicles provides buoyancy, allowing the bacterium to float at a desired depth in the water.
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