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    Overexpression of IbSINA5 Increases Cold Tolerance through a CBF SINA-COR Mediated Module in Sweet Potato

    Shiyang Li1,#, Xue-Ao Liu2,#, Lizi Zhao2, Huiqing Huang3, Bei Li2, Zhizhong Song2, Meixia Liang2, Hongxia Zhang2,3, Limin Wang2,*, Shenglin Zhou1,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.3, pp. 761-772, 2021, DOI:10.32604/phyton.2021.016314

    Abstract Seven in absentia (SINA) family proteins play a central role in plant growth, development and resistance to abiotic stress. However, their biological function in plant response to cold stress is still largely unknown. In this work, a seven in absentia gene IbSINA5 was isolated from sweet potato. Quantitative real-time polymerase chain reaction (qRT-PCR) analyses demonstrated that IbSINA5 was ubiquitously expressed in various tissues and organs of sweet potato, with a predominant expression in fibrous roots, and was remarkably induced by cold, drought and salt stresses. Subcellular localization assays revealed that IbSINA5-GFP fusion protein was mainly localized in cytoplasm and nucleus.… More >

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