Jennifer Pett-Ridge | Environmental Molecular Sciences Laboratory

Metabolomics imaging of arbuscular mycorrhizal fungi to inform a tri-partite metabolic model

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Erin Nuccio

Project type

Exploratory Research

Developing environmentally sustainable sources of energy is a grand challenge of the 21st century. Plant feedstocks are promising renewable sources for sustainable aviation and transportation fuels,…

Molecular scale investigations of the interaction of soil organic N with soil minerals

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Yuan Liu

Project type

Large-Scale EMSL Research

The association of organic nitrogen (N) compounds with soil minerals is an important mechanism for determining the long-term persistence of N in soils and N bioavailability. Mounting evidence points…

The role of microbial predation and cooperation on soil carbon pathways measured through multi-omics

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Bram WG Stone

Project type

FICUS Research

Soil microorganisms drive the decomposition of terrestrial carbon, releasing CO2 into the atmosphere and retaining additional pools belowground. Thus, a critical parameter in climate modeling efforts…

Parched: quantifying microbial ecophysiology and the fate of plant carbon during soil dry down

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Steve Blazewicz

Project type

FICUS Research

In seasonally dry grasslands, soil microbes bloom during the plant growing season, survive extreme desiccation (water potential < -35 MPa) during long dry periods, and then rapidly mineralize soil…

Resolving taxon-specific contributions to nutrient cycling in soil microbial communities through stable isotope enabled multi-omics

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Amy Zimmerman

Project type

FICUS Research

Mechanistic and predictive understanding of microbial nutrient cycling requires deconvoluting the outcomes of multiple population- and community-scale processes. Yet quantitative knowledge of…

Beneficial Partners: Context Dependent Mycorrhizal Resource Exchange in Bioenergy Cropping Systems

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Erin Nuccio

Project type

FICUS Research

The development of environmentally sustainable sources of energy is a grand challenge of the 21st century. Plant feedstocks are promising renewable sources for liquid transportation fuels, and the…

Understanding Carbon Use Efficiency in Soil Ecosystems Using Metabolomics, Lipidomics, Protein Digests and Metabolic Modeling

Lead Institution

Northern Arizona University

Principal Investigator

Paul Dijkstra

Project type

Exploratory Research

The efficiency with which organic compounds are used to produce microbial biomass is an important variable in modeling soil C cycling. This efficiency, called C use efficiency or CUE, is often…

Microbes persist: Systems biology of the soil microbiome

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ljiljana Pasa-Tolic

Microorganisms play key roles in soil carbon turnover and stabilization of persistent organic matter via their metabolic activities, cellular biochemistry, and extracellular products. Microbial…

Identifying the key organisms, pathways and locations of hydrogen fermentation from lignocellulosic biomass in wood-feeding Passalid beetles.

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Eoin Brodie

Project type

Large-Scale EMSL Research

Passalid beetles, such as Odontotaenius disjunctus, are subsocial insects that process large amounts of woody biomass by feeding on triturated wood. With the development of symbiotic relationships…

Mapping soil carbon from cradle to grave: using comparative transcriptomics, proteomics and metabolite analysis to identify the microbial blueprint for root-enhanced decomposition of organic matter.

Lead Institution

University of California, Berkeley

Principal Investigator

Mary Firestone

Project type

FICUS Research

In this JGI-EMSL project, we will investigate how living roots impact the functional capacity of the detritosphere (litter and surrounding soil) microbiome that is actively mediating decomposition…

Identifying the key organisms, pathways and locations of lignocellulosic biomass transformation and hydrogen production in wood-feeding Passalid beetles

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Eoin Brodie

Project type

Large-Scale EMSL Research

Passalid beetles, such as Odontotaenius disjunctus, are subsocial insects that process large amounts of woody biomass by feeding on triturated wood. These beetles have co-evolved with their digestive…

Dissolved Organic Matter Transformations in Wet Tropical Soils: The Effects of Redox Fluctuation

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Jennifer Pett-Ridge

Project type

Special Science

In tropical systems, changes in climate will likely affect both the amplitude and periodicity of redox oscillations due to predicted increases in warming and precipitation intensity. Our research…

Microbial Carbon Transformations in Wet Tropical Soils: The Effects of Warming, Drying, and Redox Fluctuation

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Jennifer Pett-Ridge

Project type

Exploratory Research

Tropical forest soils store more carbon (C) --as plant litter and decomposed organic matter-- than any other terrestrial ecosystem and play a critical role in the production of greenhouse gases …

Redox And Reactive Minerals: The Impact Of Redox Fluctuations On Iron-Organic Matter Associations And Soil Carbon Cycling

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Jennifer Pett-Ridge

Project type

Large-Scale EMSL Research

Tropical forest soils store more carbon (C) --in the form of plant litter and decomposed organic matter-- than any other terrestrial ecosystem and play a critical role in the production of greenhouse…

Tracing the Influence of Exudate Chemistry, Microbiology, and Mineralogy on the Decomposition and Stabilization of Root-Derived Carbon

Lead Institution

University of California, Berkeley

Principal Investigator

Mary Firestone

Project type

Large-Scale EMSL Research

Soils store more carbon (C) than the atmosphere and biosphere combined, yet the fundamental mechanisms that regulate this vast pool of C remain elusive. Plant roots are the dominant source of C in…

Development of an in situ multimodal mass spectrometry imaging approach for studying the rhizosphere: from revealing activation of metabolic pathways to elucidating nanoscale exchanges

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christopher Anderton

Gaining spatial information of biochemical interactions that occur within the rhizosphere and other subsurface terrestrial ecosystems is an area of major interest. Through bulk extraction methods, we…

The persistence of soil organic carbon in the mineralosphere as a function of the soil microbiome, proteome, and exometabolome

Lead Institution

University of California, Berkeley

Principal Investigator

Mary Firestone

Project type

Large-Scale EMSL Research

Soils store more carbon (C) than the atmosphere and biosphere combined, yet the fundamental mechanisms that regulate the persistence of this vast pool of C remain elusive. Soil organic matter (SOM)…

Redox And Reactive Minerals: The Impact Of Redox Fluctuations On Mineral-Organic Matter Associations And Microbial Carbon Transformations In Tropical Forest Soils

Lead Institution

Lawrence Livermore National Laboratory

Principal Investigator

Jennifer Pett-Ridge

Project type

Large-Scale EMSL Research

In tropical ecosystems, changes in future Earth Systems will likely affect both the amplitude and periodicity of redox oscillations due to predicted increases in temperature and changes in the…

MICROBES PERSIST: SYSTEMS BIOLOGY OF THE SOIL MICROBIOME

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ljiljana Pasa-Tolic

Soils store more carbon than the atmosphere and biosphere combined, yet the mechanisms that regulate soil C remain elusive. While plant roots are the initial source of carbon (C) that enters…

Projects