Plant Copper Amine Oxidases: Key Players in Hormone Signaling Leading to Stress-Induced Phenotypic Plasticity

International Journal of Molecular Sciences

RenatoA. Rodrigues-Pousada¹  Alessandra Cona²  Ilaria Fraudentali²  Riccardo Angelini²  SandipA. Ghuge³ 

[1] Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy;Department of Science, University “Roma Tre”, 00146 Rome, Italy;The Volcani Center, ARO, Institute of Plant Sciences, Bet Dagan 50250, Israel;

关键词: abscisic acid;    auxin;    copper amine oxidases;    hormones;    hydrogen peroxide;    jasmonic acid;   

DOI  :  10.3390/ijms22105136

来源: DOAJ

【 摘 要 】

Polyamines are ubiquitous, low-molecular-weight aliphatic compounds, present in living organisms and essential for cell growth and differentiation. Copper amine oxidases (CuAOs) oxidize polyamines to aminoaldehydes releasing ammonium and hydrogen peroxide, which participates in the complex network of reactive oxygen species acting as signaling molecules involved in responses to biotic and abiotic stresses. CuAOs have been identified and characterized in different plant species, but the most extensive study on a CuAO gene family has been carried out in Arabidopsis thaliana. Growing attention has been devoted in the last years to the investigation of the CuAO expression pattern during development and in response to an array of stress and stress-related hormones, events in which recent studies have highlighted CuAOs to play a key role by modulation of a multilevel phenotypic plasticity expression. In this review, the attention will be focused on the involvement of different AtCuAOs in the IAA/JA/ABA signal transduction pathways which mediate stress-induced phenotypic plasticity events.

【 授权许可】

Unknown