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PMID:10455050
| Citation |
Apse, MP, Aharon, GS, Snedden, WA and Blumwald, E (1999) Salt tolerance conferred by overexpression of a vacuolar Na+/H+ antiport in Arabidopsis. Science 285:1256-8 |
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| Abstract |
Agricultural productivity is severely affected by soil salinity. One possible mechanism by which plants could survive salt stress is to compartmentalize sodium ions away from the cytosol. Overexpression of a vacuolar Na+/H+ antiport from Arabidopsis thaliana in Arabidopsis plants promotes sustained growth and development in soil watered with up to 200 millimolar sodium chloride. This salinity tolerance was correlated with higher-than-normal levels of AtNHX1 transcripts, protein, and vacuolar Na+/H+ (sodium/proton) antiport activity. These results demonstrate the feasibility of engineering salt tolerance in plants. |
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| Keywords |
Arabidopsis/drug effects; Arabidopsis/genetics; Arabidopsis/metabolism; Arabidopsis/physiology; Arabidopsis Proteins; Cation Transport Proteins; Chloride Channels/metabolism; Chlorides/metabolism; Gene Expression; Hydrogen/metabolism; Plant Leaves/metabolism; Plant Proteins/genetics; Plant Proteins/metabolism; Plants, Genetically Modified; Sodium/metabolism; Sodium Chloride/toxicity; Sodium-Hydrogen Antiporter/genetics; Sodium-Hydrogen Antiporter/metabolism; Vacuoles/metabolism |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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