Abstract
In the present study, a zinc-finger-like cDNA (ThZFL) was cloned from the Tamarix hispida. Northern blot analysis showed that the expression of ThZFL can be induced by salt, osmotic stress and ABA treatment. Overexpression of the ThZFL confers salt and osmotic stress tolerance in both yeast Saccharomyces cerevisiae and tobacco. Furthermore, MDA levels in ThZFL transformed tobacco were significantly decreased compared with control plants under salt and osmotic stress, suggesting ThZFL may confer stress tolerance by decreasing membrane lipid peroxidation. Subcellular localization analysis showed the ThZFL protein is localized in the cell wall. Our results indicated the ThZFL gene is an excellent candidate for genetic engineering to improve salt and osmotic tolerance in agricultural plants.
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Acknowledgments
This work was supported by the Genetically Modified Organisms Breeding Major Project (2009ZX08009-098B), the National Natural Science Foundation (No. 31070595) of China and the Graduate Scientific and Technological Innovation Project of Northeast Forestry University (No. gram09).
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An, Y., Wang, Y., Lou, L. et al. A novel zinc-finger-like gene from Tamarix hispida is involved in salt and osmotic tolerance. J Plant Res 124, 689–697 (2011). https://doi.org/10.1007/s10265-011-0403-4
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DOI: https://doi.org/10.1007/s10265-011-0403-4