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ABA transport and transporters

机译:ABA运输工具

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摘要

Abscisic acid (ABA) metabolism, perception, and transport form a triptych allowing higher plants to use ABA as a signaling molecule. The molecular bases of ABA metabolism are now well described and, over the past few years, several ABA receptors havebeen discovered. Although ABA transport has long been demonstrated in planta, the first breakthroughs in identifying plasma membrane-localized ABA transporters came in 2010, with the identification of two ATP-binding cassette (ABC) proteins. More recently, two ABA transporters in the nitrate transporter 1 /peptide transporter (NRT1/ PTR) family have been identified. In this review, we discuss the role of these different ABA transporters and examine the scientific impact of their identification. Given that the NRT1/PTR family is involved in the transport of nitrogen (N) compounds, further work should determine whether an interaction between ABA and N signaling or nutrition occurs.
机译:脱落酸(ABA)的代谢,感知和转运形成三联画,使高等植物可以使用ABA作为信号分子。现在已经很好地描述了ABA代谢的分子基础,并且在过去几年中,已经发现了几种ABA受体。尽管ABA转运已在植物中得到证实,但鉴定质膜定位ABA转运蛋白的第一个突破是2010年,鉴定了两个ATP结合盒(ABC)蛋白。最近,已经确定了硝酸盐转运蛋白1 /肽转运蛋白(NRT1 / PTR)家族中的两个ABA转运蛋白。在这篇综述中,我们讨论了这些不同的ABA转运蛋白的作用,并检验了它们鉴定的科学影响。鉴于NRT1 / PTR家族参与了氮(N)化合物的运输,应进一步开展工作以确定ABA与N信号或营养之间是否发生相互作用。

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