Light Spectral Composition Modifies Polyamine Metabolism in Young Wheat Plants

Pál, Magda and Hamow, Kamirán Áron and Rahman, Altafur and Majláth, Imre and Tajti, Judit and Gondor, Orsolya Kinga and Ahres, Mohamed and Szalai, Gabriella and Janda, Tibor (2022) Light Spectral Composition Modifies Polyamine Metabolism in Young Wheat Plants. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23 (15). ISSN 1661-6596

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Although light-emitting diode (LED) technology has extended the research on targeted photomorphogenic, physiological, and biochemical responses in plants, there is not enough direct information about how light affects polyamine metabolism. In this study, the effect of three spectral compositions (referred to by their most typical characteristic: blue, red, and the combination of blue and red [pink] lights) on polyamine metabolism was compared to those obtained under white light conditions at the same light intensity. Although light quality induced pronounced differences in plant morphology, pigment contents, and the expression of polyamine metabolism-related genes, endogenous polyamine levels did not differ substantially. When exogenous polyamines were applied, their roborative effect were detected under all light conditions, but these beneficial changes were correlated with an increase in polyamine content and polyamine metabolism-related gene expression only under blue light. The effect of the polyamines on leaf gene expression under red light was the opposite, with a decreasing tendency. Results suggest that light quality may optimize plant growth through the adjustment of polyamine metabolism at the gene expression level. Polyamine treatments induced different strategies in fine-tuning of polyamine metabolism, which were induced for optimal plant growth and development under different spectral compositions.

Item Type: Article
Additional Information: Funding Agency and Grant Number: National Research Development and Innovation Office, Hungary [NKFIH K134395]; Hungarian Academy of Sciences [PREMIUM-2019-462] Funding text: This work was financed by grants from the National Research Development and Innovation Office, Hungary, (NKFIH K134395). Orsolya Kinga Gondor is a postdoctoral grantee of the Hungarian Academy of Sciences (PREMIUM-2019-462).
Uncontrolled Keywords: WHEAT; putrescine; spermidine; SPERMINE; Blue light; Red light; Light quality;
Subjects: Q Science / természettudomány > QK Botany / növénytan > QK10 Plant physiology / növényélettan
S Agriculture / mezőgazdaság > SB Plant culture / növénytermesztés
Depositing User: MTMT SWORD
Date Deposited: 01 Mar 2023 11:00
Last Modified: 01 Mar 2023 11:00

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