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Aluminum Resistance of Soybean is Regulated by Abscisic Acid

机译:脱落酸调节大豆的铝抗性

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摘要

In the present study, hydroponic experiments were performed to clarify if abscisic acid ( ABA) is involved in modulating Al resistance in soybean. Exogenous ABA and ABA synthesis-inhibitor Fluridone alleviated and aggravated the Al-induced inhibition of root elongation, respectively. Aluminum stress increased the endogenous ABA content in both roots and leaves. Lanthenum only increased the endogenous ABA content in roots. Split-root experiment revealed that only direct contact with Al induced an increase of endogenous ABA, and ABA in the roots not treated with Al seems to be transported to the roots under Al stress. Taken together, ABA-mediated signal transduction might be involved in regulating Al resistance in soybean.
机译:在本研究中,进行了水培实验以阐明脱落酸(ABA)是否参与调节大豆的抗铝性。外源ABA和ABA合成抑制剂氟啶酮分别减轻和加剧了铝诱导的根伸长抑制。铝胁迫增加了根和叶中内源性ABA的含量。镧仅增加根中内源性ABA的含量。分根实验表明,仅与铝的直接接触会引起内源性ABA的增加,未经铝处理的根中的ABA似乎在铝胁迫下转运至根。两者合计,ABA介导的信号转导可能参与调节大豆的铝抗性。

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