Unraveling Mechanisms in Organic Processes by Natural Mineral and Biological Catalysts
TITLE: Metabolomics analysis of unresolved molecular variability in stoichiometry dynamics of a stream dissolved organic matter –ABSTRACT: Broad molecular classification based on stoichiometric ratio relationships has been used extensively to characterize the chemical diversity of aquatic dissolved organic matter (DOM).
TITLE: Dynamic utilization of low-molecular-weight organic substrates across a microbial growth rate gradient –Aim: Low-molecular-weight organic substances (LMWOSs) are at the nexus between microorganisms, plant roots, detritus, and the soil mineral matrix. Nominal oxidation state of carbon (NOSC) has been
TITLE: Evolution of Oxygen Isotopologues in Phosphate and Pyrophosphate during Enzyme-Catalyzed Isotopic Exchange Reactions –ABSTRACT: Inorganic pyrophosphatase (PPase) is an enzyme that catalyzes the hydrolysis of the phosphoanhydride bond in pyrophosphate (PPi) to release inorganic phosphate (Pi) and simultaneously exchange
TITLE: Lithium isotope behaviour during basalt weathering experiments amended with organic acids –ABSTRACT: Lithium (Li) isotopes are a tracer of silicate weathering processes, but how they react to different components of organic and plant-assisted weathering is poorly known. To examine
TITLE: Strategies of organic phosphorus recycling by soil bacteria: Acquisition, metabolism, and regulation –ABSTRACT: Critical to meeting cellular phosphorus (P) demand, soil bacteria deploy a number of strategies to overcome limitation in inorganic P (Pi) in soils. As a significant
TITLE: Analogous Metabolic Decoupling in Pseudomonas putida and Comamonas testosteroni Implies Energetic Bypass to Facilitate Gluconeogenic Growth –ABSTRACT: Gluconeogenic carbon metabolism is not well understood, especially within the context of flux partitioning between energy generation and biomass production, despite the
TITLE: Quantitative Spectroscopic Analysis of Water Populations in the Hydrated Nanopore Environments of a Natural Montmorillonite –ABSTRACT: Smectite clays are implicated in solute trapping in natural and engineered processes. Here we evaluated 23Na solid-state nuclear magnetic resonance (NMR) and thermogravimetric
TITLE: Effects of Phosphonate Herbicides on the Secretions of Plant-Beneficial Compounds by two Plant Growth-Promoting Soil Bacteria: A Metabolomics Investigation –ABSTRACT: Plant growth-promoting rhizobacteria (PGPR) that colonize plant roots produce a variety of plant-beneficial compounds, including plant-growth regulators, metal-scavenging compounds,
TITLE: Phosphonate Herbicide Interactions with Quartz, Montmorillonite, and Quartz-Enriched Agricultural Soil: Molecular Modeling Simulations and Adsorption-Desorption Experiments –ABSTRACT: Phosphonate-based herbicides are extensively used in agriculture. Glyphosate was long considered immobile in soils due to strong complexation with metal oxides, but
TITLE: Molecular Coordination, Structure, and Stability of Metal-Polyphosphate Complexes Resolved by Molecular Modeling and X-ray Scattering: Structural Insights on the Biological Fate of Polyphosphate –ABSTRACT: Polyphosphate-accumulating organisms (PAOs), which can store high levels of phosphate (Pi) in the form of