Warming differentially influences the effects of drought on stoichiometry and metabolomics in shoots and roots

The New Phytologist
Albert Gargallo-GarrigaJosep Peñuelas

Abstract

Plants in natural environments are increasingly being subjected to a combination of abiotic stresses, such as drought and warming, in many regions. The effects of each stress and the combination of stresses on the functioning of shoots and roots have been studied extensively, but little is known about the simultaneous metabolome responses of the different organs of the plant to different stresses acting at once. We studied the shift in metabolism and elemental composition of shoots and roots of two perennial grasses, Holcus lanatus and Alopecurus pratensis, in response to simultaneous drought and warming. These species responded differently to individual and simultaneous stresses. These responses were even opposite in roots and shoots. In plants exposed to simultaneous drought and warming, terpenes, catechin and indole acetic acid accumulated in shoots, whereas amino acids, quinic acid, nitrogenous bases, the osmoprotectants choline and glycine betaine, and elements involved in growth (nitrogen, phosphorus and potassium) accumulated in roots. Under drought, warming further increased the allocation of primary metabolic activity to roots and changed the composition of secondary metabolites in shoots. These results highlight the p...Continue Reading

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Citations

Jan 20, 2016·The New Phytologist·Scott N JohnsonSusan E Hartley
Apr 7, 2016·BMC Plant Biology·Albert Gargallo-GarrigaJosep Peñuelas
Aug 10, 2016·Environmental Pollution·Kristýna VečeřováOtmar Urban
Apr 14, 2017·Global Change Biology·Jordi SardansJosep Peñuelas
Aug 24, 2017·Metabolites·Albert Gargallo-GarrigaJosep Peñuelas
Jan 31, 2019·Annals of Botany·Colin M OriansCaroline Müller
Apr 2, 2019·American Journal of Botany·Ricky S Kong, Hugh A L Henry
Jul 2, 2020·MSystems·Allison M VeachMelissa A Cregger
Sep 7, 2017·Scientific Reports·Arafat Abdel Hamed Abdel LatefLam-Son Phan Tran
May 8, 2018·International Journal of Molecular Sciences·Kristian PetersNicole M van Dam
Jan 17, 2019·Environmental Monitoring and Assessment·Albert Rivas-UbachAlex Guenther
Apr 26, 2020·Scientific Reports·Albert Gargallo-GarrigaJosep Peñuelas
Aug 25, 2018·Scientific Reports·Albert Gargallo-GarrigaJosep Peñuelas
Dec 28, 2018·International Journal of Molecular Sciences·Albert Rivas-UbachJordi Sardans
May 1, 2019·Tree Physiology·Sarah MacAllisterKyle G Dexter
Apr 30, 2021·Scientific Reports·Ivan A PaponovMassimo E Maffei
Jun 27, 2020·Analytical Chemistry·Ophélie Fraisier-VannierGuillaume Marti
Sep 7, 2021·Plant, Cell & Environment·Alba Lázaro-GonzálezRegino Zamora

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