Projects

Plant litter degradation and microbial defense by host-specific fungal endophytes

Lead Institution

University of California, Santa Barbara

Principal Investigator

Ryoko Oono

Project type

FICUS Research

Decomposition of leaf litter by a diverse microbial community is a major biogeochemical process in the global carbon cycle. Fungi are considered the primary decomposers of plant litter, especially of…

Probing Microbial Interactions and Coordinated Trophic Responses in Biological Soil Crusts

Lead Institution

University of Mississippi

Principal Investigator

Erik Hom

Project type

FICUS Research

Arid and semiarid lands comprise about 40% of the global land surface, and yet they are among the least understood ecosystems. Cryptogamic or biological soil crusts (BSC) are the dominant ground…

Experimental Impacts of Climate Warming and Ocean Acidification on Metabolic Function and Blue Carbon Accumulation by Eelgrass

Lead Institution

Old Dominion University

Principal Investigator

Richard Zimmerman

Project type

FICUS Research

The goal of this study is to elucidate physiological and genetic responses of eelgrass (Zostera marina L.) populations to the combined effects of ocean acidification and climate warming in order to…

Microbial metabolic activity and biogeochemical reaction networks in redox cycled alluvial systems

Lead Institution

Stanford Linear Accelerator Center

Principal Investigator

Kristin Boye

Project type

FICUS Research

Redox conditions and related switches in microbial metabolic activities exert primary control over the stability of carbon, nutrient, and contaminant stocks in alluvial systems, such as floodplains…

Validation of metabolic models, extrapolated from the reference sugar catabolism genetic network of Aspergillus niger by using an orthology-based approach, of evolutionarily diverse fungi

Lead Institution

Westerdijk Fungal Biodiversity Institute

Principal Investigator

Ronald de Vries

Project type

FICUS Research

Sugar conversion through central carbon catabolism in filamentous fungi is a complex process that involves many pathways, some with shared and/or redundant components. During growth on plant biomass,…

Hydrobiogeochemical feedbacks across seasonal and decadal time-scales: implications for solute fate and transport in riverbed ecosystems

Lead Institution

Colorado State University

Principal Investigator

Michael Wilkins

Project type

FICUS Research

Upland rivers host exceptionally strong linkages between the terrestrial and aquatic elemental cycles. Due to their abundance and tight connections with terrestrial ecosystems from which they receive…

Consequences of plant genetic variation and the surrounding microbiome on Sphagnum associated nitrogen fixation

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

David Weston

Project type

FICUS Research

We propose a collaborative project with JGI and EMSL to determine how Sphagnum peatmoss and microbial genetic variation interact to influence community function at elevated temperatures. As part of a…

Alternative Technologies for In Situ Bioremediation of Radioactive Iodine: Microbial Reductive Methylation of Iodate to Iodocarbon Gas

Lead Institution

Georgia Institute of Technology

Principal Investigator

Thomas DiChristina

Project type

FICUS Research

The reductive methylation of water soluble iodate (IO3-) to volatile iodine (iodocarbon) gas forms the basis of alternative remediation technologies in iodine-contaminated subsurface environments…

From phenotype to genotype and back again: large scale functional characterization of microbial dark matter by combining activity-based cell sorting, isotope labeling, and genomic sequencing

Lead Institution

Montana State University

Principal Investigator

Roland Hatzenpichler

Project type

FICUS Research

Two long-standing problems in microbial ecology are: (1) identifying the factors driving metabolic activity of microbes in their natural environment and (2) determining the substrates that are…

Identifying and applying design rules to engineer polyketide synthases for production of biofuels and bioproducts

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Jay Keasling

Project type

FICUS Research

Polyketide synthases (PKSs) produce numerous secondary metabolites in soil dwelling bacteria. For over two decades, researchers have known that portions of these enzymes can be recombined to produce…

Tracking switchgrass photosynthate via 13CO2 pulse-chase into the rhizosphere microbiome and metabolome

Lead Institution

Michigan State University

Principal Investigator

Lisa Tiemann

Project type

FICUS Research

This project aims to increase our understanding of plant-microbe interactions, specifically the exchange of plant C for microbially derived nitrogen. Plant exudates are a high energy foods for…

Combining high resolution organic matter characterization and microbial meta-omics to assess the effects of nutrient loading on salt marsh carbon sequestration

Lead Institution

Northeastern University

Principal Investigator

Jennifer Bowen

Project type

FICUS Research

Salt marshes sequester an order of magnitude more carbon in their sediments than their terrestrial counterparts because rates of decomposition are inhibited by anoxic, water-logged soils. Once easily…

Scaling molecular mechanisms of mycorrhizal-decomposer interactions to emergent ecosystem carbon balance

Lead Institution

Boston University

Principal Investigator

Jennifer Bhatnagar

Project type

FICUS Research

Emerging evidence from field experiments and global scale analyses suggests that ectomycorrhizal fungi may slow soil carbon (C) cycling via negative interactions with free-living microbial…

The synchronization of microbial and plant phenology in a mountainous watershed and its importance for nutrient retention under changing hydrologic regimes.

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Eoin Brodie

Project type

FICUS Research

In mountainous systems that experience seasonal snow-cover, the snowmelt period is characterized by a large pulse of nutrients that originates from microbial mineralization of organic matter beneath…

Linking Proteogenomics, Metabolomics, and Soil Organic Chemistry of Tropical Wetlands to a Soil Nutrient Cycling Model

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Melanie Mayes

Project type

FICUS Research

Our goal is to explicitly link microbial function for decomposition of soil organic matter to substrate organic chemistry to improve process representation in a soil organic carbon and phosphorus (P)…

Engineering enzyme networks for biomass deconstruction in synthetic microbial communities

Lead Institution

University of British Columbia

Principal Investigator

Steven Hallam

Project type

FICUS Research

Lignocellulose, the main component of plant cell walls, is arguably the most abundant biopolymer on the planet1,2. Through biorefining, it is also a renewable input for energy and materials…

Molecular mechanisms underlying changes in the temperature sensitive respiration response of forest soils to long-term experimental warming

Lead Institution

University of Massachusetts Amherst

Principal Investigator

Jeffrey Blanchard

Project type

FICUS Research

A more complete understanding of how global warming will affect carbon-cycle feedbacks to the climate system is central to model projections of future climate. Simulation experiments with fully…

Deciphering controls on plant decomposition in Arctic ecosystems: Identifying unknown microbial condensed tannin degradation pathways

Lead Institution

Colorado State University

Principal Investigator

Kelly Wrighton

Project type

FICUS Research

Climate change in the Arctic is progressing rapidly, and much of the focus, thus far, has been on permafrost thaw and the rapid mineralization of soil organic carbon (C) by soil microorganisms…

The impacts of nitrogen availability and seasonal dynamics on plant-microbial interactions affecting C and N cycling in coniferous forest soils

Lead Institution

Institute of Microbiology of the CAS

Principal Investigator

Petr Baldrian

Project type

FICUS Research

Coniferous forests are widely distributed in temperate and boreal biomes and the fact that they efficiently store large stocks of carbon makes them globally important. Decomposer and mycorrhizal…

Global warming induced salinity shifts: metabolic responses by algal-bacterial consortia

Lead Institution

University of Washington

Principal Investigator

Rose Ann Cattolico

Project type

FICUS Research

The reality of global warming predicts that the survival of many organisms will be compromised due to rapid environmental changes of the ecosystems in which they live. Aquatic ecosystems are…