Re-modeling of foliar membrane lipids in a seagrass allows for growth in phosphorus-deplete conditions

Autoři: Jeremy P. Koelmel aff001;  Justin E. Campbell aff002;  Joy Guingab-Cagmat aff001;  Laurel Meke aff001;  Timothy J. Garrett aff001;  Ulrich Stingl aff003
Působiště autorů: University of Florida, Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, Gainesville, Florida, United States of America aff001;  Florida International University, Department of Biological Sciences, Institute of Water and Environment, North Miami, FL, United States of America aff002;  University of Florida, UF/IFAS Fort Lauderdale Research and Education Center, Department of Microbiology & Cell Science, Davie, Florida, United States of America aff003
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0218690


In this study, we used liquid chromatography high-resolution tandem mass spectrometry to analyze the lipidome of turtlegrass (Thalassia testudinum) leaves with either extremely high phosphorus content or extremely low phosphorus content. Most species of phospholipids were significantly down-regulated in phosphorus-deplete leaves, whereas diacylglyceryltrimethylhomoserine (DGTS), triglycerides (TG), galactolipid digalactosyldiacylglycerol (DGDG), certain species of glucuronosyldiacylglycerols (GlcADG), and certain species of sulfoquinovosyl diacylglycerol (SQDG) were significantly upregulated, accounting for the change in phosphorus content, as well as structural differences in the leaves of plants growing across regions of varying elemental availability. These data suggest that seagrasses are able to modify the phosphorus content in leaf membranes dependent upon environmental availability.

Klíčová slova:

Cell membranes – Data acquisition – Fertilizers – Leaves – Lipid analysis – Lipid structure – Lipids – Phospholipids


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Článek vyšel v časopise


2019 Číslo 11