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Function of a separate NH3-pore in Aquaporin TIP2;2 from wheat.

Bertl, Adam and Kaldenhoff, Ralf (2007):
Function of a separate NH3-pore in Aquaporin TIP2;2 from wheat.
In: FEBS letters, pp. 5413-5417, 581, (28), ISSN 0014-5793,
[Online-Edition: http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6T3...],
[Article]

Abstract

Functional analysis of heterologously expressed TaTIP2;2 by means of stopped-flow spectrometric studies provide evidence for water and ammonia conductivity. A series of experiments under increasing pH indicate that the gaseous NH(3), rather than the ammonium ion NH(4)(+) was transported. Results from inhibitor studies strongly suggest that NH(3) is not transported in file with water, but through a separate pathway, which could be supplied by the 5th central pore in a tetramer conformation.

Item Type: Article
Erschienen: 2007
Creators: Bertl, Adam and Kaldenhoff, Ralf
Title: Function of a separate NH3-pore in Aquaporin TIP2;2 from wheat.
Language: English
Abstract:

Functional analysis of heterologously expressed TaTIP2;2 by means of stopped-flow spectrometric studies provide evidence for water and ammonia conductivity. A series of experiments under increasing pH indicate that the gaseous NH(3), rather than the ammonium ion NH(4)(+) was transported. Results from inhibitor studies strongly suggest that NH(3) is not transported in file with water, but through a separate pathway, which could be supplied by the 5th central pore in a tetramer conformation.

Journal or Publication Title: FEBS letters
Volume: 581
Number: 28
Divisions: 10 Department of Biology
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10 Department of Biology > Applied Plant Sciences
10 Department of Biology > Yeast Membrane Biology
Date Deposited: 29 Nov 2010 15:32
Official URL: http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6T3...
Identification Number: doi:10.1016/j.febslet.2007.10.034
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