PJB-2019-112
Novel drought-inducible Cys2/His2-type zinc finger protein STF-2 from soybean (Glycine max) enhances drought tolerance in transgenic plants
Bing Song, Yu Zhang, Yu Li, Yongping Fu and Piwu Wang
Abstract
The C2H2-type (Cys2/His2-type) zinc finger proteins are transcription factors which play important roles in growth, development and tolerance ability to adverse stresses. We characterized STF-2 from Glycine max to determine its molecular structure and biological function. The results showed that STF-2 was a novel plant C2H2-type zinc finger protein gene and encoded a 26.7-kDa protein comprising 249 amino acids. STF-2 is strongly expressed in flowers and leaves but only weakly expressed in stems and roots. We constructed a plant expression vector with STF-2 gene and transformed it into tobacco. We found that overexpression of STF-2 enhanced drought tolerance in transgenic tobacco. Our results indicate the STF-2 plays an important role in soybean response to drought stress; furthermore, plant resistance to adversity can be improved by exogenous expression of this gene.
To Cite this article:
Song, B., Y. Zhang, Y. Li, Y. Fu and P. Wang. 2019. Novel drought-inducible Cys2/His2-type zinc finger protein STF-2 from soybean (Glycine max) enhances drought tolerance in transgenic plants. Pak. J. Bot., 51(3): DOI: http://dx.doi.org/10.30848/PJB2019-3(10)
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