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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.04.002
|2 doi
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|a pubmed24n1080.xml
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|a (DE-627)NLM324171889
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|a (NLM)33862499
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|a (PII)S0981-9428(21)00186-8
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Cui, Jing
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Involvement of salicylic acid in the response to potassium deficiency revealed by metabolomics
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.05.2021
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|a Date Revised 04.12.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a Potassium (K) deficiency has consequences not only on cellular ion balance and transmembrane potential but also on metabolism. In fact, several enzymes are K-dependent including enzymes in catabolism, causing an alteration in glycolysis and respiration. In addition, K deficiency is associated with the induction of specific pathways and accumulation of metabolic biomarkers, such as putrescine. However, such drastic changes are usually observed when K deficiency is established. Here, we carried out a kinetic analysis with metabolomics to elucidate early metabolic events when nutrient conditions change from K-sufficiency to K-deficiency in Arabidopsis rosettes from both wild type and mutants affected in both K absorption and low-K signalling (hak5 akt1 cipk23). Our results show that mutants have a metabolomics pattern similar to K-deficient wild-type, showing a constitutive metabolic response to low K. In addition, shifting to low K conditions induces (i) changes in sugar metabolism and (ii) an accumulation of salicylic acid metabolites before the appearance of biomarkers of K deficiency (putrescine and aconitate), and such an accumulation is more pronounced in mutants. Our results suggest that early events in the response to low K conditions involve salicylic acid metabolism
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|a Journal Article
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|a CBL-CIPK regulation
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|a Deficiency
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|a Metabolomics
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|a Potassium
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|a Salicylic acid
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|a Arabidopsis Proteins
|2 NLM
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|a Potassium Channels
|2 NLM
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|a Protein Serine-Threonine Kinases
|2 NLM
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|a EC 2.7.11.1
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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| 650 |
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|a Potassium
|2 NLM
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| 650 |
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|a RWP5GA015D
|2 NLM
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| 700 |
1 |
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|a Nieves-Cordones, Manuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rubio, Francisco
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tcherkez, Guillaume
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 163(2021) vom: 15. Juni, Seite 201-204
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:163
|g year:2021
|g day:15
|g month:06
|g pages:201-204
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|u http://dx.doi.org/10.1016/j.plaphy.2021.04.002
|3 Volltext
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|a AR
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|d 163
|j 2021
|b 15
|c 06
|h 201-204
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