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Polyamine Oxidases Play Various Roles in Plant Development and Abiotic Stress Tolerance

1
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
2
Department of Biology, Georgia Southern University, Statesboro, GA 30460-8042, USA
*
Author to whom correspondence should be addressed.
Plants 2019, 8(6), 184; https://doi.org/10.3390/plants8060184
Received: 29 April 2019 / Revised: 19 June 2019 / Accepted: 20 June 2019 / Published: 21 June 2019
(This article belongs to the Special Issue Plant Polyamines)
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PDF [3153 KB, uploaded 21 June 2019]
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Abstract

Polyamines not only play roles in plant growth and development, but also adapt to environmental stresses. Polyamines can be oxidized by copper-containing diamine oxidases (CuAOs) and flavin-containing polyamine oxidases (PAOs). Two types of PAOs exist in the plant kingdom; one type catalyzes the back conversion (BC-type) pathway and the other catalyzes the terminal catabolism (TC-type) pathway. The catabolic features and biological functions of plant PAOs have been investigated in various plants in the past years. In this review, we focus on the advance of PAO studies in rice, Arabidopsis, and tomato, and other plant species. View Full-Text
Keywords: back conversion pathway; polyamines; polyamine oxidase; polyamine catabolism; stress response; terminal catabolism pathway back conversion pathway; polyamines; polyamine oxidase; polyamine catabolism; stress response; terminal catabolism pathway
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Yu, Z.; Jia, D.; Liu, T. Polyamine Oxidases Play Various Roles in Plant Development and Abiotic Stress Tolerance. Plants 2019, 8, 184.

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