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J. Dev. Biol. 2016, 4(1), 9; doi:10.3390/jdb4010009

The Roles of Aquaporins in Plant Stress Responses

1
Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
2
Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Andy Wessels
Received: 31 December 2015 / Revised: 30 January 2016 / Accepted: 1 February 2016 / Published: 4 February 2016
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Abstract

Aquaporins are membrane channel proteins ubiquitously present in all kingdoms of life. Although aquaporins were originally discovered as water channels, their roles in the transport of small neutral solutes, gasses, and metal ions are now well established. Plants contain the largest number and greatest diversity of aquaporin homologs with diverse subcellular localization patterns, gating properties, and solute specificity. The roles of aquaporins in physiological functions throughout plant growth and development are well known. As an integral regulator of plant–water relations, they are presumed to play an important role in plant defense responses against biotic and abiotic stressors. This review highlights involvement of various aquaporin homologs in plant stress responses against a variety of environmental stresses that disturb plant cell osmotic balance and nutrient homeostasis. View Full-Text
Keywords: aquaporins; abiotic stress; biotic stress; drought; salinity; cold stress; osmotic stress; nutrient homeostasis aquaporins; abiotic stress; biotic stress; drought; salinity; cold stress; osmotic stress; nutrient homeostasis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Afzal, Z.; Howton, T.C.; Sun, Y.; Mukhtar, M.S. The Roles of Aquaporins in Plant Stress Responses. J. Dev. Biol. 2016, 4, 9.

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J. Dev. Biol. EISSN 2221-3759 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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