The Effect of Carnitine on Arabidopsis Development and Recovery in Salt Stress Conditions

Overview

Journal Planta

Specialty Biology

Date 2011 Aug 20

PMID 21853252

Citations 12

Authors

Aurelie Charrier

Sonia Rippa

Agnes Yu

Phuong-Jean Nguyen

Jean-Pierre Renou

Yolande Perrin

Affiliations

Soon will be listed here.

Abstract

Carnitine exists in all living organisms where it plays diverse roles. In animals and yeast, it is implicated in lipid metabolism and is also associated with oxidative stress tolerance. In bacteria, it is a major player in osmotic stress tolerance. We investigate the carnitine function in plants and our present work shows that carnitine enhances the development and recovery of Arabidopsis thaliana seedlings subjected to salt stress. Biological data show that exogenous carnitine supplies improve the germination and survival rates of seedlings grown on salt-enriched medium, in a manner comparable to proline. Both compounds are shown to improve seedling survival under oxidative constraint meaning that they may act on salt stress through antioxidant properties. A transcriptome analysis of seedlings treated with exogenous carnitine reveals that it modulates the expression of genes involved in water stress and abscisic acid responses. Analyses of the abscisic acid mutants, aba1-1 and abi1-1, indicate that carnitine and proline may act through a modulation of the ABA pathway.

Citing Articles

Water stress and exogenous carnitine on growth and essential oil profile of L.

Santos S, da Silva Gomes D, de Oliveira A, Silva A, de Moura V, Gusmao M 3 Biotech. 2023; 13(10):328.

PMID: 37667775 PMC: 10475002. DOI: 10.1007/s13205-023-03757-y.

Drought stress mitigation by foliar application of L-carnitine and its effect on radish morphophysiology.

Henschel J, Dantas E, Soares V, Santos S, da Silva Gomes D, Ferreira L Physiol Mol Biol Plants. 2023; 29(4):579-590.

PMID: 37187775 PMC: 10172445. DOI: 10.1007/s12298-023-01308-6.

Metabolic Insight into Cold Stress Response in Two Contrasting Maize Lines.

Yu T, Zhang J, Cao J, Li X, Li S, Liu C Life (Basel). 2022; 12(2).

PMID: 35207570 PMC: 8875087. DOI: 10.3390/life12020282.

Integrated Analysis of Metabolome and Transcriptome Reveals Insights for Cold Tolerance in Rapeseed ( L.).

Raza A, Su W, Hussain M, Mehmood S, Zhang X, Cheng Y Front Plant Sci. 2021; 12:721681.

PMID: 34691103 PMC: 8532563. DOI: 10.3389/fpls.2021.721681.

Genomic Analysis of MBSA-MJ1: A Plant Growth Promoting Rhizobacteria That Improves Water Stress Tolerance in Greenhouse Ornamentals.

Nordstedt N, Jones M Front Microbiol. 2021; 12:653556.

PMID: 34046022 PMC: 8144289. DOI: 10.3389/fmicb.2021.653556.

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