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View article: Lipid hydrogen isotope compositions primarily reflect growth water in the model archaeon <i>Sulfolobus acidocaldarius</i>
Lipid hydrogen isotope compositions primarily reflect growth water in the model archaeon <i>Sulfolobus acidocaldarius</i> Open
The stable hydrogen isotope composition (δ 2 H) of lipid biomarkers can track environmental processes and remain stable over geologically relevant time scales, enabling studies of past climate, hydrology, and ecology. Most research has foc…
View article: Total Synthesis of the Membrane Spanning Tetraether Lipid brGDGT Ia and Elucidation of Its Stereochemical Configuration
Total Synthesis of the Membrane Spanning Tetraether Lipid brGDGT Ia and Elucidation of Its Stereochemical Configuration Open
Glycerol dialkyl glycerol tetraethers (GDGTs) are a group of membrane spanning lipids produced by both Archaea and Bacteria. Branched GDGTs (brGDGTs) are a class of these tetraether lipids known to be produced by certain bacteria and are c…
View article: Nitrogen stable isotope fractionation by biological nitrogen fixation reveals cellular nitrogenase is diffusion limited
Nitrogen stable isotope fractionation by biological nitrogen fixation reveals cellular nitrogenase is diffusion limited Open
Biological fixation of dinitrogen (N2), the primary natural source of new bioavailable nitrogen (N) on Earth, is catalyzed by the enzyme nitrogenase through a complex mechanism at its active site metal cofactor. How this reaction functions…
View article: Microbial Resuscitation and Growth Rates in Deep Permafrost: Lipid Stable Isotope Probing Results from the Permafrost Research Tunnel in Fox, Alaska
Microbial Resuscitation and Growth Rates in Deep Permafrost: Lipid Stable Isotope Probing Results from the Permafrost Research Tunnel in Fox, Alaska Open
Permafrost is at increasing risk of thaw as cold regions in the Northern Hemisphere continue to warm. Of particular concern is ice-rich, organic-rich, syngenetic yedoma type permafrost. The lability of organic carbon in permafrost post-tha…
View article: Stable isotopic signature of dissimilatory nitrate reduction is robust against enzyme mutation
Stable isotopic signature of dissimilatory nitrate reduction is robust against enzyme mutation Open
The proportionality of oxygen-to-nitrogen isotope effects ( 18 ε/ 15 ε) is used as a key isotopic signature of nitrogen cycling processes in the environment. Dissimilatory nitrate reduction is observed to have an 18 ε/ 15 ε proportionality…
View article: Spatiotemporal variation of modern lake, stream, and soil water isotopes in Iceland
Spatiotemporal variation of modern lake, stream, and soil water isotopes in Iceland Open
As global warming progresses, changes in high-latitude precipitation are expected to impart long-lasting impacts on Earth systems, including glacier mass balance and ecosystem structures. Reconstructing past changes in high-latitude precip…
View article: Single-cell measurement of microbial growth rate with Raman microspectroscopy
Single-cell measurement of microbial growth rate with Raman microspectroscopy Open
Rates of microbial growth are fundamental to understanding environmental geochemistry and ecology. However, measuring the heterogeneity of microbial activity at the single-cell level, especially within complex populations and environmental…
View article: Occurrence of ceramides in the Acidobacterium Solibacter usitatus: implications for bacterial physiology and sphingolipids in soils
Occurrence of ceramides in the Acidobacterium Solibacter usitatus: implications for bacterial physiology and sphingolipids in soils Open
Sphingolipids have long been of interest to the scientific community for their roles in eukaryotic cell structuring and disease pathology. Less is known about the occurrence and function of these diverse compounds in the bacterial domain o…
View article: Comment on hess-2024-1
Comment on hess-2024-1 Open
Abstract. As global warming progresses, changes in high-latitude precipitation are expected to impart long-lasting impacts on earth systems, including glacier mass balance and ecosystem structure. Reconstructing past changes in high-latitu…
View article: Large enrichments in fatty acid <sup>2</sup> H/ <sup>1</sup> H ratios distinguish respiration from aerobic fermentation in yeast <i>Saccharomyces cerevisiae</i>
Large enrichments in fatty acid <sup>2</sup> H/ <sup>1</sup> H ratios distinguish respiration from aerobic fermentation in yeast <i>Saccharomyces cerevisiae</i> Open
Shifts in the hydrogen stable isotopic composition ( 2 H/ 1 H ratio) of lipids relative to water (lipid/water 2 H-fractionation) at natural abundances reflect different sources of the central cellular reductant, NADPH, in bacteria. Here, w…
View article: Spatiotemporal variation of modern lake, stream, and soil water isotopes in Iceland
Spatiotemporal variation of modern lake, stream, and soil water isotopes in Iceland Open
As global warming progresses, changes in high-latitude precipitation are expected to impart long-lasting impacts on earth systems, including glacier mass balance and ecosystem structure. Reconstructing past changes in high-latitude precipi…
View article: Single-cell measurement of microbial growth rate with Raman microspectroscopy
Single-cell measurement of microbial growth rate with Raman microspectroscopy Open
Rates of microbial activity and growth are fundamental to understanding environmental geochemistry and ecology. However, measuring the heterogeneity of microbial activity at the single-cell level, especially within complex populations and …
View article: Metabolic imprints in the hydrogen isotopes of<i>Archaeoglobus fulgidus</i>tetraether lipids
Metabolic imprints in the hydrogen isotopes of<i>Archaeoglobus fulgidus</i>tetraether lipids Open
The stable hydrogen isotope composition of archaeal lipids is emerging as a potential paleoenvironmental proxy, adding to the well-established application of plant leaf wax-derived n -alkanes in paleohydrological reconstruction. A handful …
View article: Technical note: Lessons from and best practices for the deployment of the Soil Water Isotope Storage System
Technical note: Lessons from and best practices for the deployment of the Soil Water Isotope Storage System Open
Soil water isotope datasets are useful for understanding connections between the hydrosphere, atmosphere, biosphere, and geosphere. However, they have been underproduced because of the technical challenges associated with collecting those …
View article: Controls on the hydrogen isotope composition of tetraether lipids in an autotrophic ammonia-oxidizing marine archaeon
Controls on the hydrogen isotope composition of tetraether lipids in an autotrophic ammonia-oxidizing marine archaeon Open
The stable hydrogen isotope composition of persistent biomolecules is used as a palaeohydrological proxy. While much previous work has focused on plant leaf wax-derived n-alkanes, the potential of prokaryotic lipid biomarkers as carriers o…
View article: Hydrogen stable isotope probing of lipids demonstrates slow rates of microbial growth in soil
Hydrogen stable isotope probing of lipids demonstrates slow rates of microbial growth in soil Open
The rate at which microorganisms grow and reproduce is fundamental to our understanding of microbial physiology and ecology. While soil microbiologists routinely quantify soil microbial biomass levels and the growth rates of individual tax…
View article: Author Correction: Microbial community dynamics and coexistence in a sulfide-driven phototrophic bloom
Author Correction: Microbial community dynamics and coexistence in a sulfide-driven phototrophic bloom Open
ISSN:2524-6372
View article: A practical guide to the implementation of AI in orthopaedic research – part 1: opportunities in clinical application and overcoming existing challenges
A practical guide to the implementation of AI in orthopaedic research – part 1: opportunities in clinical application and overcoming existing challenges Open
Artificial intelligence (AI) has the potential to transform medical research by improving disease diagnosis, clinical decision‐making, and outcome prediction. Despite the rapid adoption of AI and machine learning (ML) in other domains and …
View article: Comment on egusphere-2022-1170
Comment on egusphere-2022-1170 Open
Abstract. Soil water isotope datasets are useful for understanding connections between the hydrosphere, atmosphere, biosphere, and geosphere. However, they have been underproduced because of technical challenges associated with collecting …
View article: Lessons from and best practices for the deployment of the Soil Water Isotope Storage System
Lessons from and best practices for the deployment of the Soil Water Isotope Storage System Open
Soil water isotope datasets are useful for understanding connections between the hydrosphere, atmosphere, biosphere, and geosphere. However, they have been underproduced because of technical challenges associated with collecting those data…
View article: Supplementary material to "Lessons from and best practices for the deployment of the Soil Water Isotope Storage System"
Supplementary material to "Lessons from and best practices for the deployment of the Soil Water Isotope Storage System" Open
March2022 March2021 August2022 0 5 0.0 0.5 1.0 1.5 0.0 0.5 1.0 1.5 0.0 0.5 1.0 1.5 Δδ 2 H density SWISS Fondue Lindt Meringue Raclette Rosti Toblerone Kernel Density Estimate by Session March2022 March2021 August2022 0 1 2 3 0.0 0.5 1.0 1.…
View article: Microbial Denitrification: Active Site and Reaction Path Models Predict New Isotopic Fingerprints
Microbial Denitrification: Active Site and Reaction Path Models Predict New Isotopic Fingerprints Open
The study of isotopic fingerprints in nitrate (δ15N, δ18O, Δ17O) has enabled pivotal insights into the global nitrogen cycle and revealed new knowledge gaps. Measuring populations of isotopic homologs of intact NO3 - ions (isotopologues) s…
View article: Production of diverse <scp>brGDGTs</scp> by Acidobacterium <i>Solibacter usitatus</i> in response to temperature, pH, and O<sub>2</sub> provides a culturing perspective on br<scp>GDGT</scp> proxies and biosynthesis
Production of diverse <span>brGDGTs</span> by Acidobacterium <i>Solibacter usitatus</i> in response to temperature, pH, and O<sub>2</sub> provides a culturing perspective on br<span>GDGT</span> proxies and biosynthesis Open
Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are bacterial membrane lipids that are frequently employed as paleoenvironmental proxies because of the strong empirical correlations between their relative abundances and environmen…