Sheryl Bell | Environmental Molecular Sciences Laboratory

Investigating the Role of Drought-Impacted Root Exudates on Rhizosphere Microbial Metabolism and Viral Dynamics for Improving Tall Wheatgrass Drought Tolerance

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sneha Couvillion

Project type

Large-Scale EMSL Research

The rhizosphere is the center of interactions between roots, soil, and microbes, where chemical exchanges are key drivers of microbial composition, plant productivity, and resilience to abiotic…

Linking multi-organism-environment interactions across lab and field scales to estimate viral contributions to soil C cycling

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Amy Zimmerman

Project type

FICUS Research

Interactions between soil viruses and their microbial hosts can significantly impact microbial population dynamics, metabolism, and evolution, with cascading effects on soil carbon (C)…

Prediction of response of microbial interaction networks cycling carbon to changing moisture conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ryan McClure

Harnessing the soil microbiome presents transformational opportunities to optimize the economic and environmental value of our nation’s soil microbiomes, including maintaining soil organic matter…

Moisture and seasonal drivers of Inter-Kingdom metabolic interaction in a marginal soil rhizosphere

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

William Nelson

Project type

FICUS Research

Soil is a complex environment with numerous competing and cooperating populations contributing to overall ecosystem services. Plants provide most of the fresh organic carbon inputs through growth and…

ELUCIDATING UNIFYING PRINCIPLES OF SOIL C-N COUPLING USING A CONTINENTAL- SCALE GRASSLAND EXPERIMENTAL NETWORK

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

EMSL capabilities will be utilized for analysis of samples acquired from a continental-scale network of replicated, long-term grassland nutrient addition experiments, the Nutrient Network, to enhance…

The Influence of Crop Selection and Soil Properties on the Accumulation and Stabilization of Microbial Residues in Soil

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

EMSL Staff Proposal: The proposed research confronts the emerging paradigm that dead microbial cells, or necromass, are a major source of organic carbon in soil. Microbial necromass accumulation may…

Can Microbial Ecology and Mycorrhizal Functioning Inform Climate Change Models?

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

EMSL Staff Proposal: Using archived samples from forest Free Air CO2 Enrichment (FACE) experiments, field measurements from the Marcell Experimental Forest (MEF) and the Spruce and Peatland Response…

Development of Novel Approaches to Target Microbial Drivers of C Cycling in Soil Aggregates

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

This proposal seeks to provide much needed insight into the microbial controls of terrestrial C cycling through the development of a novel research approach that integrates multiple technologies, and…

The Influence of Crop Selection and Soil Properties on the Accumulation and Stabilization of Microbial Residues in Soil

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

EMSL Staff Proposal: The proposed research confronts the emerging paradigm that dead microbial cells, or necromass, are a major source of organic carbon in soil. Microbial necromass accumulation may…

Elucidating unifying principles of soil C-N coupling using a continental scale grassland experimental network

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

EMSL capabilities will be utilized for analysis of samples acquired from a continental-scale network of replicated, long-term grassland nutrient addition experiments, the Nutrient Network, to enhance…

Can Microbial Ecology and Mycorrhizal Functioning Inform Climate Change Models?

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

Using archived samples from forest Free Air CO2 Enrichment (FACE) experiments, field measurements from the Marcell Experimental Forest (MEF) and the Spruce and Peatland Response Under Climatic and…

Feedbacks between microbial community dynamics and the persistence of soil organic carbon

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

Project type

Exploratory Research

Soil organic matter (SOM) is the largest active carbon reservoir in the terrestrial environment and significantly influences soil fertility, water quality, global C cycling and associated feedbacks…

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…

The microbial impact of soil carbon and nutrient transformations: scaling and stoichiometry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

The proposed work is centered around the combination of stable isotope probing (SIP) techniques with high resolution -omics data to resolve the movement of ecologically critical elements (carbon,…

The microbial impact of soil carbon and nutrient transformations: scaling and stoichiometry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

The proposed work is centered around the combination of stable isotope probing (SIP) techniques with high resolution -omics data to resolve the movement of ecologically critical elements (carbon,…

Prediction of response of microbial interaction networks cycling carbon to changing moisture conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ryan McClure

Harnessing the soil microbiome presents transformational opportunities to optimize the economic and environmental value of our nation’s soil microbiomes, including maintaining soil organic matter…

Development of novel approaches to target microbial drivers of C cycling in soil aggregates

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

Project type

FICUS Research

We propose to develop approaches that target metabolically active microorganisms and functions that drive carbon cycling in soils from bioenergy cropping systems. Albeit critically important, soil…

Development of novel approaches to target microbial drivers of C cycling in soil aggregates

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

We propose to develop approaches that target metabolically active microorganisms and functions that drive carbon cycling in soils from bioenergy cropping systems. Albeit critically important, soil…

Can Microbial Ecology and Mycorrhizal Functioning Inform Climate Change Models?

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

Using archived samples from forest Free Air CO2 Enrichment (FACE) experiments, field measurements from the Marcell Experimental Forest (MEF) and the Spruce and Peatland Response Under Climatic and…

Projects