Ismael Torres-Romero
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View article: α/β hydrolase domain-containing protein 1 acts as a lysolipid lipase and is involved in lipid droplet formation
α/β hydrolase domain-containing protein 1 acts as a lysolipid lipase and is involved in lipid droplet formation Open
Lipid droplets (LDs) are the major sites of lipid and energy homeostasis. However, few LD biogenesis proteins have been identified. Using model microalga Chlamydomonas, we show that ABHD1, an α/β-hydrolase domain-containing protein, is loc…
View article: A clumped isotope calibration of coccoliths at well-constrained culture temperatures for marine temperature reconstructions
A clumped isotope calibration of coccoliths at well-constrained culture temperatures for marine temperature reconstructions Open
Numerous recent studies have tested the clumped isotope (Δ47) thermometer on a variety of biogenic carbonates such as foraminifera and bivalves and showed that most follow a common calibration. However, there may be a difference between bi…
View article: Temperature-dependent carbon isotope fractionation in coccolithophores
Temperature-dependent carbon isotope fractionation in coccolithophores Open
Introduction: The stable carbon isotope ratio of long-chain alkenones produced by marine haptophyte phytoplankton has often been used to estimate past variations in atmospheric CO 2 throughout the Cenozoic. However, previous experimental s…
View article: Hydrogen isotope fractionation is controlled by CO <sub>2</sub> in coccolithophore lipids
Hydrogen isotope fractionation is controlled by CO <sub>2</sub> in coccolithophore lipids Open
Hydrogen isotope ratios (δ 2 H) represent an important natural tracer of metabolic processes, but quantitative models of processes controlling H-fractionation in aquatic photosynthetic organisms are lacking. Here, we elucidate the underlyi…
View article: Hydrogen isotope fractionation is controlled by CO2 in coccolithophore lipids
Hydrogen isotope fractionation is controlled by CO2 in coccolithophore lipids Open
Hydrogen isotope ratios (d2H) represent an important natural tracer of metabolic processes, but quantitative models of processes controlling H-fractionation in aquatic photosynthetic organisms are lacking. Here we elucidate the underlying …
View article: The α/β hydrolase domain-containing protein 1 (ABHD1) acts as a lysolipid lipase and is involved in lipid droplet formation
The α/β hydrolase domain-containing protein 1 (ABHD1) acts as a lysolipid lipase and is involved in lipid droplet formation Open
Lipid droplets (LDs) are the major sites of lipid and energy homeostasis. However, few LD biogenesis proteins have been identified. Here, using Chlamydomonas as a model, we show that ABHD1, a member of the α/β hydrolase domain-containing p…
View article: Coccolithophorids precipitate carbonate in clumped isotope equilibrium with seawater
Coccolithophorids precipitate carbonate in clumped isotope equilibrium with seawater Open
Numerous recent studies have tested the clumped isotope (Δ47) thermometer on a variety of biogenic carbonates such as foraminifera and bivalves and showed that all follow a common calibration. While the sample size requirements for a relia…
View article: A new clumped isotope-temperature calibration of cultured coccoliths under different pCO2 and temperature conditions
A new clumped isotope-temperature calibration of cultured coccoliths under different pCO2 and temperature conditions Open
Carbonate clumped isotope thermometry, based on the temperature-dependence of clumping of 13C and 18O in the carbonate molecule (Δ47) is a promising tool for paleoclimate reconstruction. In the last few years many discrepancies among …
View article: Evaluating the removal of contaminants in biogenic carbonates for clumped isotope studies
Evaluating the removal of contaminants in biogenic carbonates for clumped isotope studies Open
View article: The DIC carbon isotope evolutions during CO2 bubbling: Implications for ocean acidification laboratory culture
The DIC carbon isotope evolutions during CO2 bubbling: Implications for ocean acidification laboratory culture Open
Ocean acidification increases p CO 2 and decreases pH of seawater and its impact on marine organisms has emerged as a key research focus. In addition to directly measured variables such as growth or calcification rate, stable isotopic trac…
View article: Re-examining extreme carbon isotope fractionation in the coccolithophore Ochrosphaera neapolitana
Re-examining extreme carbon isotope fractionation in the coccolithophore Ochrosphaera neapolitana Open
ISSN:2041-1723
View article: The DIC carbon isotope evolutions during CO2 bubbling: implications for ocean acidification laboratory culture
The DIC carbon isotope evolutions during CO2 bubbling: implications for ocean acidification laboratory culture Open
Ocean acidification increases pCO2 and decreases pH of seawater and its impact on marine organisms has emerged as a key research focus. In addition to directly measured variables such as growth or calcification rate, stable isotopic tracer…
View article: Branched-Chain Amino Acid Catabolism Impacts Triacylglycerol Homeostasis in <i>Chlamydomonas reinhardtii</i>
Branched-Chain Amino Acid Catabolism Impacts Triacylglycerol Homeostasis in <i>Chlamydomonas reinhardtii</i> Open
Nitrogen (N) starvation-induced triacylglycerol (TAG) synthesis, and its complex relationship with starch metabolism in algal cells, has been intensively studied; however, few studies have examined the interaction between amino acid metabo…
View article: Lipid catabolism in microalgae
Lipid catabolism in microalgae Open
Summary Lipid degradation processes are important in microalgae because survival and growth of microalgal cells under fluctuating environmental conditions require permanent remodeling or turnover of membrane lipids as well as rapid mobiliz…
View article: Evolution of a Biomass-Fermenting Bacterium To Resist Lignin Phenolics
Evolution of a Biomass-Fermenting Bacterium To Resist Lignin Phenolics Open
Increasing the resistance of plant-fermenting bacteria to lignocellulosic inhibitors is useful to understand microbial adaptation and to develop candidate strains for consolidated bioprocessing. Here, we study and improve inhibitor resista…