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Auxins: Biosynthesis, Metabolism, and Transport

机译:生长素:生物合成,代谢和转运

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摘要

Indole-3-acetic acid (IAA) is the key plant hormone of the auxin class, which controls all processes of plant growth and development. Information on IAA biosynthesis, metabolism, and transport is of great importance for understanding nearly all morphogenetic processes in plant development. Nevertheless, our knowledge about the organization of this auxin machine, which is of significance to all plants, is by no means complete. At present, six independent pathways of IAA biosynthesis are known, each ofwhich has its own regulation and genetic base. Auxin metabolism and active transport are no less intricate systems with internal and external regulation. A lot of genes that determine the behavior of the auxin machine are still unknown, but those revealed can be employed in genetic engineering to obtain new plant forms with improved properties. The review presents modern concepts of the biosynthesis, metabolism, and active transport of auxin with regard to the genes underlying these processes.
机译:吲哚-3-乙酸(IAA)是生长素类的关键植物激素,它控制植物生长和发育的所有过程。有关IAA生物合成,代谢和运输的信息对于理解植物发育中的几乎所有形态发生过程都非常重要。然而,我们对这种生长素机器的组织知识(对所有植物都非常重要)并不完整。目前,已知IAA生物合成的六个独立途径,每个途径都有其自身的调控和遗传基础。生长素的新陈代谢和主动转运同样是具有内部和外部调节作用的复杂系统。许多决定生长素机器行为的基因仍然是未知的,但是揭示的那些基因可以用于基因工程中,以获得具有改良特性的新植物形式。审查提出了关于这些过程的基础基因的生长素的生物合成,代谢和主动运输的现代概念。

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