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   Articles with "gdgt" as a keyword



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The importance of mass accuracy in selected ion monitoring analysis of branched and isoprenoid tetraethers

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recommendations! Published in 2018 at "Organic Geochemistry"

DOI: 10.1016/j.orggeochem.2018.01.007

Abstract: Abstract Among the new proxies based on the distribution of glycerol dialkyl glycerol tetraethers (GDGTs), the BIT index (Branched and Isoprenoid Tetraether index) is one of the most difficult to determine accurately, as shown by… read more here.

Keywords: bit values; ion monitoring; gdgt; mass ... See more keywords
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Microbial lipid signatures in Arctic deltaic sediments – Insights into methane cycling and climate variability

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recommendations! Published in 2021 at "Organic Geochemistry"

DOI: 10.1016/j.orggeochem.2021.104242

Abstract: Abstract Glycerol Dialkyl Glycerol Tetraethers (GDGTs) are ubiquitous biomolecules whose structural diversity or isotopic composition is increasingly used to reconstruct environmental changes such as air temperature or pCO2. Isoprenoid GDGTs (iGDGT), in particular GDGT-0, are… read more here.

Keywords: gdgt; signatures arctic; microbial lipid; methane ... See more keywords
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Thermophilic archaeon orchestrates temporal expression of GDGT ring synthases in response to temperature and acidity stress.

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recommendations! Published in 2022 at "Environmental microbiology"

DOI: 10.1111/1462-2920.16301

Abstract: Glycerol dibiphytanyl glycerol tetraethers (GDGTs) are unique archaeal membrane-spanning lipids with 0-8 cyclopentane rings on the biphytanyl chains. The cyclization pattern of GDGTs is affected by many environmental factors, such as temperature and pH, but… read more here.

Keywords: gdgt ring; gdgt; expression; temperature ... See more keywords
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Membrane Lipid Composition of the Moderately Thermophilic Ammonia-Oxidizing Archaeon “Candidatus Nitrosotenuis uzonensis” at Different Growth Temperatures

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recommendations! Published in 2019 at "Applied and Environmental Microbiology"

DOI: 10.1128/aem.01332-19

Abstract: For Thaumarchaeota, the ratio of their glycerol dialkyl glycerol tetraether (GDGT) lipids depends on growth temperature, a premise that forms the basis of the widely applied TEX86 paleotemperature proxy. A thorough understanding of which GDGTs… read more here.

Keywords: growth; gdgt; temperature; nitrosotenuis uzonensis ... See more keywords