Results 21 to 30 of about 3,900 (194)

Strong linkage between benthic oxygen uptake and bacterial tetraether lipids in deep-sea trench regions [PDF]

open access: yesNature Communications
Oxygen in marine sediments regulates many key biogeochemical processes, playing a crucial role in shaping Earth’s climate and benthic ecosystems.
Wenjie Xiao   +5 more
doaj   +2 more sources

Beyond PEGylation: Archaeal Lipids for Long‐Circulating Liposomes

open access: yesAdvanced NanoBiomed Research
The growing concerns regarding the immunogenicity of polyethylene glycol (PEG) have prompted the search for alternative excipients that can prolong circulation in parenteral drug delivery.
Viktor Sedlmayr   +9 more
doaj   +2 more sources

Tracing tetraether lipids from source to sink in the Rhône River system (NW Mediterranean) [PDF]

open access: yesFrontiers in Earth Science, 2015
In this study, we investigated soils and river suspended particulate matter (SPM) collected in the Rhône and its tributary basins as well as marine surface sediments taken in the Rhône prodelta (Gulf of Lions, NW Mediterranean).
Jung-Hyun eKim   +7 more
doaj   +4 more sources

Mono- to tetra-alkyl ether cardiolipins in a mesophilic, sulfate-reducing bacterium identified by UHPLC-HRMSn: a novel class of membrane lipids [PDF]

open access: yesFrontiers in Microbiology
The composition of membrane lipids varies in a number of ways as adjustment to growth conditions. Variations in head group composition and carbon skeleton and degree of unsaturation of glycerol-bound acyl or alkyl chains results in a high structural ...
Ellen C. Hopmans   +6 more
doaj   +2 more sources

Engineering archaeal membrane‐spanning lipid GDGT biosynthesis in bacteria: Implications for early life membrane transformations [PDF]

open access: yesmLife
Eukaryotes are hypothesized to be archaeal–bacterial chimeras. Given the different chemical structures of membrane phospholipids in archaea and bacteria, transformations of membranes during eukaryogenesis that led to the bacterial‐type membranes of ...
Huahui Chen   +9 more
doaj   +2 more sources

Lipid hydrogen isotope compositions primarily reflect growth water in the model archaeon Sulfolobus acidocaldarius [PDF]

open access: yesApplied and Environmental Microbiology
The stable hydrogen isotope composition (δ2H) of lipid biomarkers can track environmental processes and remain stable over geologically relevant time scales, enabling studies of past climate, hydrology, and ecology.
Carolynn M. Harris   +12 more
doaj   +2 more sources

Production of branched tetraether lipids in the lower Pearl River and estuary: effects of extraction methods and impact on bGDGT proxies [PDF]

open access: yesFrontiers in Microbiology, 2012
Branched glycerol dibiphytanyl glycerol tetraethers (bGDGTs) are known as bacterial lipids that occur widely in terrestrial environments, particularly in anaerobic peat bogs and soil.
Chuanlun eZhang   +7 more
doaj   +2 more sources

Unusual Butane- and Pentanetriol-Based Tetraether Lipids in Methanomassiliicoccus luminyensis, a Representative of the Seventh Order of Methanogens. [PDF]

open access: yesAppl Environ Microbiol, 2016
Author Posting. © The Author(s), 2016. This is the author's version of the work. It is posted here by permission of American Society for Microbiology for personal use, not for redistribution.
Becker KW   +5 more
europepmc   +3 more sources

Novel Extended Tetraether Lipids Found in a High-CO<sub>2</sub> Geyser. [PDF]

open access: yesEnviron Microbiol
Characterisation of the archaeal lipidome of the CO2‐rich subsurface aquifer of the Geyser Andernach reveals novel extended tetraether lipids analogous to extended archaeols, likely produced by Candidatus Altiarchaeum, and potentially functioning as a membrane adaptation strategy to nutrient‐deprived conditions.
Groninga J   +8 more
europepmc   +2 more sources

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