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Ecometabolomics for a Better Understanding of Plant Responses and Acclimation to Abiotic Factors Linked to Global Change
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SYSNO ASEP 0531446 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Ecometabolomics for a Better Understanding of Plant Responses and Acclimation to Abiotic Factors Linked to Global Change Author(s) Sardans, Jordi (UEK-B) ORCID, RID, SAI
Gargallo-Garriga, Albert (UEK-B) ORCID, SAI, RID
Urban, Otmar (UEK-B) RID, ORCID, SAI
Klem, Karel (UEK-B) RID, ORCID, SAI
Walker, T.W.N. (CH)
Holub, Petr (UEK-B) RID, ORCID, SAI
Janssens, I. A. (BE)
Penuelas, Josep (UEK-B) ORCID, SAI, RIDNumber of authors 8 Article number 239 Source Title Metabolites. - : MDPI
Roč. 10, č. 6 (2020)Number of pages 20 s. Language eng - English Country CH - Switzerland Keywords free amino-acids ; high-nitrogen deposition ; carbon-dioxide ; elevated co2 ; arabidopsis-thaliana ; secondary metabolism ; terpene content ; jasmonic acid ; stress ; drought ; flavonoids ; free amino acids ; gas chromatography-mass spectrometry (GC-MS) ; proton nuclear magnetic resonance spectrometry (H-1-NMR) ; isoflavonoids ; liquid chromatography-mass spectrometry (LC-MS) ; phenolics ; shikimate acid ; soluble sugars ; terpenes Subject RIV CE - Biochemistry OECD category Biochemistry and molecular biology R&D Projects EF16_019/0000797 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CzeCOS III - 90123 - Ústav výzkumu globální změny AV ČR, v. v. i. Method of publishing Open access Institutional support UEK-B - RVO:86652079 UT WOS 000551576900021 EID SCOPUS 85086167989 DOI 10.3390/metabo10060239 Annotation The number of ecometabolomic studies, which use metabolomic analyses to disentangle organisms' metabolic responses and acclimation to a changing environment, has grown exponentially in recent years. Here, we review the results and conclusions of ecometabolomic studies on the impacts of four main drivers of global change (increasing frequencies of drought episodes, heat stress, increasing atmospheric carbon dioxide (CO2) concentrations and increasing nitrogen (N) loads) on plant metabolism. Ecometabolomic studies of drought effects confirmed findings of previous target studies, in which most changes in metabolism are characterized by increased concentrations of soluble sugars and carbohydrate derivatives and frequently also by elevated concentrations of free amino acids. Secondary metabolites, especially flavonoids and terpenes, also commonly exhibited increased concentrations when drought intensified. Under heat and increasing N loads, soluble amino acids derived from glutamate and glutamine were the most responsive metabolites. Foliar metabolic responses to elevated atmospheric CO(2)concentrations were dominated by greater production of monosaccharides and associated synthesis of secondary metabolites, such as terpenes, rather than secondary metabolites synthesized along longer sugar pathways involving N-rich precursor molecules, such as those formed from cyclic amino acids and along the shikimate pathway. We suggest that breeding for crop genotypes tolerant to drought and heat stress should be based on their capacity to increase the concentrations of C-rich compounds more than the concentrations of smaller N-rich molecules, such as amino acids. This could facilitate rapid and efficient stress response by reducing protein catabolism without compromising enzymatic capacity or increasing the requirement for re-transcription and de novo biosynthesis of proteins. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2021 Electronic address https://www.mdpi.com/2218-1989/10/6/239
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