Polyamines Stimulate Non-photochemical Quenching of Chlorophyll a Fluorescence in Scenedesmus Obliquus

Overview

Journal Photosynth Res

Publisher Springer

Date 2011 Feb 9

PMID 21302030

Citations 7

Authors

Nikolaos E Ioannidis

Liliana Sfichi-Duke

Kiriakos Kotzabasis

Affiliations

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Abstract

Polyamines (PAs) are small metabolites that are produced and oxidized in chloroplasts with an obscure mode of action. Recently, we showed that qE is stimulated by PAs in higher plants (Nicotiana tabacum) and in genetically modified plants with elevated thylakoid-associated PAs (Ioannidis and Kotzabasis Biochim Biophys Acta 1767:1371-1382, 2007; Ioannidis et al. Biochim Biophys Acta 1787:1215-1222, 2009). Here, we investigated further their quenching properties both in vivo in green algae and in vitro is isolated LHCII. In vivo spermine up-regulates NPQ in Scenedesums obliquus about 30%. In vitro putrescine--the obligatory metabolic precursor of PAs--has a marginal quenching effect, while spermidine and spermine exhibit strong quenching abilities in isolated LHCII up to 40%. Based on available 3D models of LHCII we report a special cavity of about 600 Å(3) and a near-by larger pocket in the trimeric LHCII that could be of importance for the stimulation of qE by amines.

Citing Articles

Putrescine: A Key Metabolite Involved in Plant Development, Tolerance and Resistance Responses to Stress.

Gonzalez-Hernandez A, Scalschi L, Vicedo B, Marcos-Barbero E, Morcuende R, Camanes G Int J Mol Sci. 2022; 23(6).

PMID: 35328394 PMC: 8955586. DOI: 10.3390/ijms23062971.

A Chlorophyte Alga Utilizes Alternative Electron Transport for Primary Photoprotection.

Ware M, Hunstiger D, Cantrell M, Peers G Plant Physiol. 2020; 183(4):1735-1748.

PMID: 32457091 PMC: 7401117. DOI: 10.1104/pp.20.00373.

Polyamines in Microalgae: Something Borrowed, Something New.

Lin H, Lin H Mar Drugs. 2018; 17(1).

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Role of Ions in the Regulation of Light-Harvesting.

Kana R, Govindjee Front Plant Sci. 2016; 7:1849.

PMID: 28018387 PMC: 5160696. DOI: 10.3389/fpls.2016.01849.

Silencing S-Adenosyl-L-Methionine Decarboxylase (SAMDC) in Nicotiana tabacum Points at a Polyamine-Dependent Trade-Off between Growth and Tolerance Responses.

Mellidou I, Moschou P, Ioannidis N, Pankou C, Gemes K, Valassakis C Front Plant Sci. 2016; 7:379.

PMID: 27064210 PMC: 4814703. DOI: 10.3389/fpls.2016.00379.

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