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Give an account on Aquaporin....

Give an account on Aquaporin.

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Aquaporin is a water channel protein embedded in the plasma membrane. It regulates the massive amount of water transport across the membrane. Plants contain a variety of aquaporins. Over 30 typeskk of aquaporins are known from maize. Currently, they are also recognised to transport substrates like glycerol, urea, `CO_(2), NH_(2)`, metalloids, and Reactive Oxygen Species (ROS) in addition to water. They increase the permeability of the membrane to water. They confer drought and salt stress tolerance.
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