Urea derivative MTU improves stress tolerance and yield in wheat by promoting cyclic electron flow around PSI

Nisler, Jaroslav; Kučerová, Z.; Koprna, R.; Sobotka, Roman; Slivková, L.; Rossall, S.; Špundová, M.; Husičková, A.; Pilný, Jan; Tarkowská, Danuše; Novák, Ondřej; Škrabišová, M.; Strnad, Miroslav

doi:https://dx.doi.org/10.3389/fpls.2023.1131326

Number of the records: 1

Urea derivative MTU improves stress tolerance and yield in wheat by promoting cyclic electron flow around PSI

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SYSNO ASEP	0571861
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Urea derivative MTU improves stress tolerance and yield in wheat by promoting cyclic electron flow around PSI
Author(s)	Nisler, Jaroslav (UEB-Q)_{RID, ORCID} Kučerová, Z. (CZ) Koprna, R. (CZ) Sobotka, Roman (MBU-M)_{RID, ORCID} Slivková, L. (CZ) Rossall, S. (GB) Špundová, M. (CZ) Husičková, A. (CZ) Pilný, Jan (MBU-M)_{ORCID, RID} Tarkowská, Danuše (UEB-Q)_{RID, ORCID} Novák, Ondřej (UEB-Q)_{RID, ORCID, SAI} Škrabišová, M. (CZ) Strnad, Miroslav (UEB-Q)_{RID, ORCID}
Number of authors	13
Article number	1131326
Source Title	Frontiers in Plant Science. - : Frontiers Research Foundation - ISSN 1664-462X Roč. 14, MAR 7 (2023)
Number of pages	15 s.
Language	eng - English
Country	CH - Switzerland
Keywords	1-(2-methoxyethyl)-3-(1,2,3-thiadiazol-5yl)urea ; cyclic electron flow ; drought stress ; heat stress ; mtu ; photosystem I ; stress tolerance ; wheat
OECD category	Biochemistry and molecular biology
R&D Projects	EF16_019/0000827 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	GA21-07661S GA ČR - Czech Science Foundation (CSF)
Method of publishing	Open access
Institutional support	UEB-Q - RVO:61389030 ; MBU-M - RVO:61388971
UT WOS	000950750600001
EID SCOPUS	85150527006
DOI	https://doi.org/10.3389/fpls.2023.1131326
Annotation	Increasing crop productivity under optimal conditions and mitigating yield losses under stressful conditions is a major challenge in contemporary agriculture. We have recently identified an effective anti-senescence compound (MTU, [1-(2-methoxyethyl)-3-(1,2,3-thiadiazol-5yl)urea]) in in vitro studies. Here, we show that MTU delayed both age- and stress-induced senescence of wheat plants (Triticum aestivum L.) by enhancing the abundance of PSI supercomplex with LHCa antennae (PSI-LHCa) and promoting the cyclic electron flow (CEF) around PSI. We suppose that this rarely-observed phenomenon blocks the disintegration of photosynthetic apparatus and maintains its activity as was reflected by the faster growth rate of wheat in optimal conditions and under drought and heat stress. Our multiyear field trial analysis further shows that the treatment with 0.4 g ha-1 of MTU enhanced average grain yields of field-grown wheat and barley (Hordeum vulgare L.) by 5-8%. Interestingly, the analysis of gene expression and hormone profiling confirms that MTU acts without the involvement of cytokinins or other phytohormones. Moreover, MTU appears to be the only chemical reported to date to affect PSI stability and activity. Our results indicate a central role of PSI and CEF in the onset of senescence with implications in yield management at least for cereal species.
Workplace	Institute of Experimental Botany
Contact	David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469
Year of Publishing	2024
Electronic address	https://doi.org/10.3389/fpls.2023.1131326

Number of the records: 1