Polyamines in the Context of Metabolic Networks

Methods in Molecular Biology
Wegi WuddinehSubhash C Minocha

Abstract

Polyamines (PAs) are essential biomolecules that are known to be involved in the regulation of many plant developmental and growth processes as well as their response to different environmental stimuli. Maintaining the cellular pools of PAs or their metabolic precursors and by-products is critical to accomplish their normal functions. Therefore, the titre of PAs in the cells must be under tight regulation to enable cellular PA homeostasis. Polyamine homeostasis is hence achieved by the regulation of their input into the cellular PA pool, their conversion into secondary metabolites, their transport to other issues/organs, and their catabolism or turnover. The major contributors of input to the PA pools are their in vivo biosynthesis, interconversion between different PAs, and transport from other tissues/organs; while the output or turnover of PAs is facilitated by transport, conjugation and catabolism. Polyamine metabolic pathways including the biosynthesis, catabolism/turnover and conjugation with various organic molecules have been widely studied in all kingdoms. Discoveries on the molecular transporters facilitating the intracellular and intercellular translocation of PAs have also been reported. Numerous recent studies usin...Continue Reading

Citations

Mar 1, 2018·Plant & Cell Physiology·Leandro Francisco de OliveiraEny Iochevet Segal Floh
Sep 19, 2019·Plant Signaling & Behavior·Aditi TailorSatish C Bhatla
Jul 29, 2020·Frontiers in Plant Science·Francisco J CorpasJosé M Palma
May 28, 2019·Frontiers in Plant Science·Wei WangJi-Hong Liu
Nov 4, 2020·Cells·Rubén AlcázarAntonio F Tiburcio
Oct 11, 2020·Trends in Plant Science·Dylan R ZeissIan A Dubery
Jun 3, 2021·International Journal of Molecular Sciences·Ilaria FraudentaliAlessandra Cona
May 27, 2021·Plant Science : an International Journal of Experimental Plant Biology·Magda PálTibor Janda

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