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The shifting paradigms of auxin biosynthesis

机译:生长素生物合成的转变范式

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摘要

Auxins are an important group of hormones found in all land plants and several soil-dwelling microbes. Although auxin was the first phytohormone identified, its biosynthesis remained unclear until recently. In the past few years, our understanding of auxin biosynthesis has improved dramatically, to the stage where many believe there is a single predominant pathway in Arabidopsis (Arabidopsis thaliana L.). However, there is still uncertainty over the applicability of these findings to other plant species. Indeed, it appears that in certain organs of some species, other pathways can operate. Here we review the key advances that have led to our current understanding of auxin biosynthesis and its many proposed pathways.
机译:生长素是在所有陆地植物和几种土壤微生物中发现的重要激素。尽管生长素是最早鉴定出的植物激素,但直到最近仍不清楚其生物合成。在过去的几年中,我们对植物生长素生物合成的了解已大大提高,到了许多人认为拟南芥(Arabidopsis thaliana L.)只有一条主要途径的阶段。但是,这些发现对其他植物物种的适用性仍然不确定。实际上,似乎在某些物种的某些器官中,其他途径也可以起作用。在这里,我们回顾了导致我们目前对生长素生物合成及其许多拟议途径的了解的关键进展。

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