LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition

Sulfur (S) deprivation leads to abiotic stress in plants. This can have a significant impact on membrane lipids, illustrated by a change in either the lipid class and/or the fatty acid distribution. Three different levels of S (deprivation, adequate, and excess) in the form of potassium sulfate were...

Full description

Bibliographic Details
Main Authors: Tania T. Körber, Tobias Sitz, Muna A. Abdalla, Karl H. Mühling, Sascha Rohn
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/24/4/3728
_version_ 1797620485286002688
author Tania T. Körber
Tobias Sitz
Muna A. Abdalla
Karl H. Mühling
Sascha Rohn
author_facet Tania T. Körber
Tobias Sitz
Muna A. Abdalla
Karl H. Mühling
Sascha Rohn
author_sort Tania T. Körber
collection DOAJ
description Sulfur (S) deprivation leads to abiotic stress in plants. This can have a significant impact on membrane lipids, illustrated by a change in either the lipid class and/or the fatty acid distribution. Three different levels of S (deprivation, adequate, and excess) in the form of potassium sulfate were used to identify individual thylakoid membrane lipids, which might act as markers in S nutrition (especially under stress conditions). The thylakoid membrane consists of the three glycolipid classes: monogalactosyl- (MGDG), digalactosyl- (DGDG), and sulfoquinovosyl diacylglycerols (SQDG). All of them have two fatty acids linked, differing in chain length and degree of saturation. LC-ESI-MS/MS served as a powerful method to identify trends in the change in individual lipids and to understand strategies of the plant responding to stress. Being a good model plant, but also one of the most important fresh-cut vegetables in the world, lettuce (<i>Lactuca sativa</i> L.) has already been shown to respond significantly to different states of sulfur supply. The results showed a transformation of the glycolipids in lettuce plants and trends towards a higher degree of saturation of the lipids and an increased level of oxidized SQDG under S-limiting conditions. Changes in individual MGDG, DGDG, and oxidized SQDG were associated to S-related stress for the first time. Promisingly, oxidized SQDG might even serve as markers for further abiotic stress factors.
first_indexed 2024-03-11T08:42:08Z
format Article
id doaj.art-9fde3ff523f644d2b354b160c77db361
institution Directory Open Access Journal
issn 1661-6596
1422-0067
language English
last_indexed 2024-03-11T08:42:08Z
publishDate 2023-02-01
publisher MDPI AG
record_format Article
series International Journal of Molecular Sciences
spelling doaj.art-9fde3ff523f644d2b354b160c77db3612023-11-16T21:04:08ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-02-01244372810.3390/ijms24043728LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur NutritionTania T. Körber0Tobias Sitz1Muna A. Abdalla2Karl H. Mühling3Sascha Rohn4Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Grindelallee 117, 20146 Hamburg, GermanyInstitute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Grindelallee 117, 20146 Hamburg, GermanyInstitute of Plant Nutrition and Soil Science, Kiel University, Hermann-Rodewald-Str. 2, 24118 Kiel, GermanyInstitute of Plant Nutrition and Soil Science, Kiel University, Hermann-Rodewald-Str. 2, 24118 Kiel, GermanyInstitute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Grindelallee 117, 20146 Hamburg, GermanySulfur (S) deprivation leads to abiotic stress in plants. This can have a significant impact on membrane lipids, illustrated by a change in either the lipid class and/or the fatty acid distribution. Three different levels of S (deprivation, adequate, and excess) in the form of potassium sulfate were used to identify individual thylakoid membrane lipids, which might act as markers in S nutrition (especially under stress conditions). The thylakoid membrane consists of the three glycolipid classes: monogalactosyl- (MGDG), digalactosyl- (DGDG), and sulfoquinovosyl diacylglycerols (SQDG). All of them have two fatty acids linked, differing in chain length and degree of saturation. LC-ESI-MS/MS served as a powerful method to identify trends in the change in individual lipids and to understand strategies of the plant responding to stress. Being a good model plant, but also one of the most important fresh-cut vegetables in the world, lettuce (<i>Lactuca sativa</i> L.) has already been shown to respond significantly to different states of sulfur supply. The results showed a transformation of the glycolipids in lettuce plants and trends towards a higher degree of saturation of the lipids and an increased level of oxidized SQDG under S-limiting conditions. Changes in individual MGDG, DGDG, and oxidized SQDG were associated to S-related stress for the first time. Promisingly, oxidized SQDG might even serve as markers for further abiotic stress factors.https://www.mdpi.com/1422-0067/24/4/3728glycolipidsfatty acidsoxidized SQDGS-limiting condition
spellingShingle Tania T. Körber
Tobias Sitz
Muna A. Abdalla
Karl H. Mühling
Sascha Rohn
LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
International Journal of Molecular Sciences
glycolipids
fatty acids
oxidized SQDG
S-limiting condition
title LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
title_full LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
title_fullStr LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
title_full_unstemmed LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
title_short LC-ESI-MS/MS Analysis of Sulfolipids and Galactolipids in Green and Red Lettuce (<i>Lactuca sativa</i> L.) as Influenced by Sulfur Nutrition
title_sort lc esi ms ms analysis of sulfolipids and galactolipids in green and red lettuce i lactuca sativa i l as influenced by sulfur nutrition
topic glycolipids
fatty acids
oxidized SQDG
S-limiting condition
url https://www.mdpi.com/1422-0067/24/4/3728
work_keys_str_mv AT taniatkorber lcesimsmsanalysisofsulfolipidsandgalactolipidsingreenandredlettuceilactucasativailasinfluencedbysulfurnutrition
AT tobiassitz lcesimsmsanalysisofsulfolipidsandgalactolipidsingreenandredlettuceilactucasativailasinfluencedbysulfurnutrition
AT munaaabdalla lcesimsmsanalysisofsulfolipidsandgalactolipidsingreenandredlettuceilactucasativailasinfluencedbysulfurnutrition
AT karlhmuhling lcesimsmsanalysisofsulfolipidsandgalactolipidsingreenandredlettuceilactucasativailasinfluencedbysulfurnutrition
AT sascharohn lcesimsmsanalysisofsulfolipidsandgalactolipidsingreenandredlettuceilactucasativailasinfluencedbysulfurnutrition