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《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2011年06期

Page:

1035-1039

Research Field:

Publishing date:

Info

Title:

Progress of Research on Na⁺（K⁺）/H⁺ Antiporter NHX Gene

Author(s):

LI Jing; LIU Ming; SUN Jing; LI Si-nan; LI Wen-bin; WU Xiao-xia

Agriculture College of Northeast Agricultural University,Key Laboratory of Soybean Biology of Chinese Ministry of Education,Harbin 150030,Heilongjiang,China

Keywords:

Na⁺（K⁺）/H⁺ antiporter; NHX gene; Research progress

PACS:

Q946.2

DOI:

10.11861/j.issn.1000-9841.2011.06.1035

Abstract:

Na⁺（K⁺）/H⁺antiporter are ubiquitous membrane proteins which catalyze the exchange of Na⁺（K⁺）for H⁺ across membranes and play important roles in controlling cellular pH,Na+homeostasis cell turgor pressure and cell proliferation.In particular,the vacuolar Na⁺（K⁺）/H⁺ antiporter has been investigated and proposed to play an important role in salt tolerance.NHX gene control the expression of Na⁺（K⁺）/H⁺ antiporter,overexpress NHX gene in plants can improve the activity of Na⁺（K⁺）/H⁺ antiporter.In the study of plant stress tolerance,more and more researchers have paid attention to Na⁺（K⁺）/H⁺ antiporter.NHX gene which control expression of Na⁺（K⁺）/H⁺ antiporter were found in many crops,and proved its relationship with the resilience.In this study,the found and functions of Na⁺（K⁺）/H⁺ antiporter,together with cloning and classification of NHX gene and the relationship between drought tolerance were reviewed.In order to obtain the transgenic soybean with drought resistance,understanding of function and action mechanism made a foundation for soybean NHX gene transformation.

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Last Update: 2014-08-18