Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance

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This article explores the ability of Arabidopsis thaliana to recover after exposure to freezing temperatures.

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30 p.

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Vu, Hieu Sy; Shiva, Sunitha; Samarakoon, Thilani; Li, Maoyin; Sarowar, Sujon; Roth, Mary R. et al. April 23, 2022.

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This article explores the ability of Arabidopsis thaliana to recover after exposure to freezing temperatures.

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30 p.

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Abstract: While the roles of a few specific lipids in plant freezing tolerance are understood, the effect of many plant lipids remains to be determined. Acclimation of plants to non-freezing cold before exposure to freezing temperatures improves the outcome of plants, compared to plants exposed to freezing without acclimation. Arabidopsis thaliana plants were subjected to one of three treatments: (1) “control”, i.e., growth at 21 °C, (2) “non-acclimated”, i.e., 3 days at 21 °C, 2 h at −8 °C, and 24 h recovery at 21 °C, and (3) “acclimated”, i.e., 3 days at 4 °C, 2 h at −8 °C, and 24 h recovery at 21 °C. Plants were harvested at seven time points during the treatments, and lipid levels were measured by direct-infusion electrospray ionization tandem mass spectrometry. Ion leakage was measured at the same time points. To examine the function of lipid species in relation to freezing tolerance, the lipid levels in plants immediately following the freezing treatment were correlated with the outcome, i.e., ion leakage 24-h post-freezing. Based on the correlations, hypotheses about the functions of specific lipids were generated. Additionally, analysis of the lipid levels in plants with mutations in genes encoding patatin-like phospholipases, lipoxygenases, and 12-oxophytodienoic acid reductase 3 (opr3), under the same treatments as the wild-type plants, identified only the opr3-2 mutant as having major lipid compositional differences compared to wild-type plants.

This article belongs to the special issue Regulation of Plant Lipid Metabolism.

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  • Metabolites, 12(5), MDPI, April 23, 2022, pp. 1-30

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  • Publication Title: Metabolites
  • Volume: 12
  • Issue: 5
  • Article Identifier: 385
  • Pages: 30
  • Peer Reviewed: Yes

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  • Correction: Vu et al. Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance. Metabolites 2022, 12, 385 - ark:/67531/metadc2201670

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Correction: Vu et al. Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance. Metabolites 2022, 12, 385 (Article)

Correction: Vu et al. Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance. Metabolites 2022, 12, 385

Article is a correction to an error in the original publication. The enzymatic step catalyzed by oxophytodienoic acid reductase 3 was misstated. A correction has been made to Section 2. Results and Discussion, Subsection 2.13. Lipids of Plants with Mutations in Lipid-Related Genes, Paragraph 1.

Correction: Vu et al. Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance. Metabolites 2022, 12, 385 - ark:/67531/metadc2201670

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  • March 17, 2022

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  • April 19, 2022

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  • April 23, 2022

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  • June 29, 2022, 7:31 p.m.

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  • Dec. 12, 2023, 2 p.m.

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Vu, Hieu Sy; Shiva, Sunitha; Samarakoon, Thilani; Li, Maoyin; Sarowar, Sujon; Roth, Mary R. et al. Specific Changes in Arabidopsis thaliana Rosette Lipids during Freezing Can Be Associated with Freezing Tolerance, article, April 23, 2022; (https://digital.library.unt.edu/ark:/67531/metadc1954001/: accessed June 7, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Science.

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