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Xiong, Xin-Xin; Liu, Yang; Zhang, Li-Li; Li, Xiao-Jian; Zhao, Yue; Zheng, Yan; Yang, Qian-Hui; Yang, Yan; Min, Dong-Hong; Zhang, Xiao-Hong
International journal of molecular sciences, 04/2023, Letnik: 24, Številka: 8Journal Article
In the hexaploid wheat genome, there are three Gα genes, three Gβ and twelve Gγ genes, but the function of Gβ in wheat has not been explored. In this study, we obtained the overexpression of Arabidopsis plants through inflorescence infection, and the overexpression of wheat lines was obtained by gene bombardment. The results showed that under drought and NaCl treatment, the survival rate of Arabidopsis seedlings' overexpression of was higher than that of the wild type, while the survival rate of the related mutant was lower than that of the wild type. The survival rate of wheat seedlings with overexpression was higher than that of the control. In addition, under drought and salt stress, the levels of superoxide dismutase (SOD) and proline (Pro) in the wheat overexpression of were higher than that of the control, and the concentration of malondialdehyde (MDA) was lower than that of the control. This indicates that could improve the drought resistance and salt tolerance of Arabidopsis and wheat by scavenging active oxygen. Overall, this work provides a theoretical basis for wheat G-protein β-subunits in a further study, and new genetic resources for the cultivation of drought-tolerant and salt-tolerant wheat varieties.
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in: SICRIS
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