Articles | Volume 21, issue 21
https://doi.org/10.5194/bg-21-4875-2024
https://doi.org/10.5194/bg-21-4875-2024
Research article
 | 
08 Nov 2024
Research article |  | 08 Nov 2024

Controls on the composition of hydroxylated isoprenoidal glycerol dialkyl glycerol tetraethers (isoGDGTs) in cultivated ammonia-oxidizing Thaumarchaeota

Devika Varma, Laura Villanueva, Nicole J. Bale, Pierre Offre, Gert-Jan Reichart, and Stefan Schouten

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Thaumarchaeotal culture data_NF5_D3C Devika Varma et al. https://doi.org/10.25850/nioz/7b.b.kh

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Short summary
Archaeal hydroxylated tetraether lipids are increasingly used as temperature indicators in marine settings, but the factors influencing their distribution are still unclear. Analyzing membrane lipids of two thaumarchaeotal strains showed that the growth phase of the cultures does not affect the lipid distribution, but growth temperature profoundly affects the degree of cyclization of these lipids. Also, the abundance of these lipids is species-specific and is not influenced by temperature.
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