The various roles of fatty acids

CCCR De Carvalho, MJ Caramujo - Molecules, 2018 - mdpi.com
Lipids comprise a large group of chemically heterogeneous compounds. The majority have
fatty acids (FA) as part of their structure, making these compounds suitable tools to examine …

Adaptations of archaeal and bacterial membranes to variations in temperature, pH and pressure

MF Siliakus, J van der Oost, SWM Kengen - Extremophiles, 2017 - Springer
The cytoplasmic membrane of a prokaryotic cell consists of a lipid bilayer or a monolayer
that shields the cellular content from the environment. In addition, the membrane contains …

The production of diverse brGDGTs by an Acidobacterium providing a physiological basis for paleoclimate proxies

Y Chen, F Zheng, H Yang, W Yang, R Wu, X Liu… - … et Cosmochimica Acta, 2022 - Elsevier
Microbial lipid biomarkers preserved in geological archives can be used to explore past
climate changes. Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are unique …

A global Bayesian temperature calibration for lacustrine brGDGTs

P Martínez-Sosa, JE Tierney, IC Stefanescu… - … et Cosmochimica Acta, 2021 - Elsevier
Despite widespread use of branched glycerol dialkyl glycerol tetraethers (brGDGTs) for
paleo-temperature reconstruction, no global calibration for their application in lakes has …

The organic geochemistry of glycerol dialkyl glycerol tetraether lipids: A review

S Schouten, EC Hopmans, JSS Damsté - Organic geochemistry, 2013 - Elsevier
Glycerol dialkyl glycerol tetraether (GDGT) lipids are membrane lipids which were long
thought to be synthesized mainly by archaea, organisms thought to be limited to extreme …

Occurrence and abundance of 6-methyl branched glycerol dialkyl glycerol tetraethers in soils: Implications for palaeoclimate reconstruction

C De Jonge, EC Hopmans, CI Zell, JH Kim… - … et Cosmochimica Acta, 2014 - Elsevier
The distribution of branched glycerol dialkyl glycerol tetraethers (brGDGTs) in soils has been
shown to correlate with the soil pH and the mean annual air temperature (MAT). This has …

Identification of a protein responsible for the synthesis of archaeal membrane-spanning GDGT lipids

Z Zeng, H Chen, H Yang, Y Chen, W Yang… - Nature …, 2022 - nature.com
Glycerol dibiphytanyl glycerol tetraethers (GDGTs) are archaeal monolayer membrane lipids
that can provide a competitive advantage in extreme environments. Here, we identify a …

Archaea predominate among ammonia-oxidizing prokaryotes in soils

S Leininger, T Urich, M Schloter, L Schwark, J Qi… - Nature, 2006 - nature.com
Ammonia oxidation is the first step in nitrification, a key process in the global nitrogen cycle
that results in the formation of nitrate through microbial activity,. The increase in nitrate …

BayMBT: A Bayesian calibration model for branched glycerol dialkyl glycerol tetraethers in soils and peats

ED Crampton-Flood, JE Tierney, F Peterse… - … et Cosmochimica Acta, 2020 - Elsevier
Accurate temperature records for the deep geological past are a vital component of
paleoclimate research. Distributional changes of branched glycerol dialkyl glycerol …

Revised calibration of the MBT–CBT paleotemperature proxy based on branched tetraether membrane lipids in surface soils

F Peterse, J van der Meer, S Schouten… - … et Cosmochimica Acta, 2012 - Elsevier
The MBT–CBT proxy for the reconstruction of paleotemperatures and past soil pH is based
on the distribution of branched glycerol dialkyl glycerol tetraether (brGDGT) membrane …