Journal of Food, Agriculture and Environment

Plant aquaporins for controlling crop nutrition transport under abiotic stress conditions for sustainable agriculture

Author(s):

Xiao-Ya Zheng ^{1, 2, 3}, Zheng-Bin Zhang ¹*, Hong-Bo Shao ^{2, 4}*, Hong-Bin Zhao ¹, Ping Xu ¹, Ying-Fu Yang ³

Recieved Date: 2013-05-04, Accepted Date: 2013-09-11

Abstract:

Water deficiency and lower fertilizer utilization efficiency and salinization of soil are serious problems and major constraints of productivity and yield stability in particular in arid and semi-arid areas. Improvements of crop water and nutrients as well salt transfer by the joint mechanism have been becoming an important objective in crop breeding. Meanwhile, molecular and functional characterization of aquaporins (AQPs) has revealed the significance of their regulation in response to the adverse environments such as drought and nutrition as well salinity. AQPs are small integral membrane proteins belonging to the ancient family of major intrinsic proteins (MIPs). They are highly hydrophobic proteins with six membrane-spanning domains and molecular masses of 26 to 34 kD. The advance on the functions of biological membranes under changing environmental and developmental conditions, aquaporins control water and nutrition and salt transfer in plant under stress conditions were reviewed in this article, and it could provide some useful information for further research on water and nutrition and salt transfer in plant, hoping good varieties are cultivated by the combination of traditional breeding techniques with the introduction of modern biotechnology and molecular biology.

Keywords:

Aquaporins, water, nutrition, salinization, biotechnology, agriculture

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 1019-1025

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