Lipid biomarkers: molecular tools for illuminating the history of microbial life

RE Summons, PV Welander, DA Gold - Nature Reviews Microbiology, 2022 - nature.com
Fossilized lipids preserved in sedimentary rocks offer singular insights into the Earth's
palaeobiology. These 'biomarkers' encode information pertaining to the oxygenation of the …

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 …

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 …

Reversed Holocene temperature–moisture relationship in the Horn of Africa

AJ Baxter, D Verschuren, F Peterse, DG Miralles… - Nature, 2023 - nature.com
Anthropogenic climate change is predicted to severely impact the global hydrological cycle,
particularly in tropical regions where agriculture-based economies depend on monsoon …

The effect of improved chromatography on GDGT-based palaeoproxies

EC Hopmans, S Schouten, JSS Damsté - Organic Geochemistry, 2016 - Elsevier
The development of methods using liquid chromatography coupled to mass spectrometry to
analyze glycerol dialkyl glycerol tetraethers (GDGTs) has substantially expanded the …

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 …

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 …

Molecular paleohydrology: interpreting the hydrogen-isotopic composition of lipid biomarkers from photosynthesizing organisms

D Sachse, I Billault, GJ Bowen… - Annual Review of …, 2012 - annualreviews.org
Hydrogen-isotopic abundances of lipid biomarkers are emerging as important proxies in the
study of ancient environments and ecosystems. A decade ago, pioneering studies made use …

A comprehensive survey of soil acidobacterial diversity using pyrosequencing and clone library analyses

RT Jones, MS Robeson, CL Lauber… - The ISME …, 2009 - academic.oup.com
Acidobacteria are ubiquitous and abundant members of soil bacterial communities.
However, an ecological understanding of this important phylum has remained elusive …