Ljiljana Pasa-Tolic

Metabolic regulation of O-GlcNAc and cardiac function during hypertrophy

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ljiljana Pasa-Tolic

Despite treatment advances, half of patients suffering from heart failure die within five years of diagnosis, while those who survive may live with severe disabilities. Cardiac hypertrophy poses a…

High-throughput native mass spectrometry as experimental validation for in silico drug design

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Mowei Zhou

Enzyme functions can often be modulated via interaction with small molecules. For example, inhibitors are actively sought in the pharmaceutical industry to block protein targets and treat diseases…

Subunit structures of Arabidopsis RNA Polymerase IV complexes

Lead Institution

Indiana University - Bloomington

Principal Investigator

Craig Pikaard

Project type

Large-Scale EMSL Research

All eukaryotes have three conventional nuclear DNA-dependent RNA polymerases, abbreviated as Pol I, Pol II and Pol III. Pol I transcribe 45S pre-rRNA, pol II transcribes mRNAs and pol III…

Integrating intact protein proteomics with ChIP-Seq for identification and functional characterization of epigenetic histone modifications

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David Stenoien

Project type

Large-Scale EMSL Research

Biological systems are exceedingly more complex than defined by the genome due to differential protein expression and degradation, altered mRNA splicing, and the presence of multiple post…

Integration of Substrate Oxidation with Protein Synthesis and Cellular Signaling in a Complex Biological System

Lead Institution

Seattle Children's Research Institute

Principal Investigator

Michael Portman

These investigations will explore the complex interactions involved in cellular metabolism, protein synthesis, and cell signaling. We will use complex models to link intra-cellular regulatory…

Collaborative research projects in the PNNL NIH P41 Biomedical Technology Research Center 'Proteomics research resource for integrative biology'

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Jon Jacobs

Collaborative research projects in the PNNL NIH P41 Biomedical Technology Research Center 'Proteomics research resource for integrative biology'

3D Root Cartography of Molecular-Microbe Interactions

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christer Jansson

We intend to develop a pipeline for simultaneous 3D spatial imaging of metabolites and microorganisms on plant roots, generating a molecular and microbial 3D-cartography of the root system. By…

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…

Protein modifications associated with hibernation.

Lead Institution

University of Colorado

Principal Investigator

Lois Epperson

Project type

Limited Scope

Liver samples from the hibernator, golden-mantled ground squirrel, when separated by 2D gel electrophoresis, demonstrate a quantifiable and as yet undefined physical modification that manifests…

Systematic Characterization of Protein Glycosylation of Bacteria Cell Surface Proteins

Lead Institution

University of Oklahoma

Principal Investigator

Si Wu

The overall goal of this proposal is to develop an integrated top-down and bottom-up approach for bacterial glycoprotein profiling assisted by accurate glycan structure identification, which will be…

A combined top-down and bottom-up glycoproteome analysis of O-glycoform diversity of the secretome of the lignocellulose degrading fungus Neurospora crassa

Lead Institution

University of California, Berkeley

Principal Investigator

Christopher Somerville

Project type

Special Science

Enzymatic hydrolysis of (ligno)cellulose by cellulases is key for the production of second generation biofuels which represent a long-standing leading theme in the field of sustainable energy…

Development and refinement of an in situ 'molecular microscope' utilizing ultrahigh resolution mass spectrometry

Lead Institution

University of Missouri - Columbia

Principal Investigator

Gary Stacey

The ability to elucidate complex metabolic behavior of living organisms in situ and with cellular resolution is a bioanalytical grand challenge that is yet to be realized. Mass spectrometry imaging …

Development and refinement of an in situ 'molecular microscope' utilizing ultrahigh resolution mass spectrometry

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christopher Anderton

The ability to elucidate complex metabolic behavior of living organisms in situ and with cellular resolution is a bioanalytical grand challenge that is yet to be realized. Mass spectrometry imaging …

Identification and Validation of Protein Profiles Associated with Therapy-Resistance in Breast Cancer

Lead Institution

Erasmus University Medical Center, Rotterdam

Principal Investigator

Arzu Umar

Project type

Large-Scale EMSL Research

Successful treatment of breast cancer is hampered by the occurrence of drug resistance in approximately 50% of patients with advanced recurrent disease. The ultimate goal of proposed work is to…

Identification and relative expression of membrane proteins in breast cancer cell lines

Lead Institution

University of California, San Francisco

Principal Investigator

Anil Patwardhan

Project type

Exploratory Research

Overview Phase 1: Protein identification in the ?sub-proteome? mixtures from these cell lines will be accomplished using a combination of separation techniques, LC-ESI-MS/MS, and database search and…

Chemical characterization at the cellular level of biological surfaces using cluster probes and high-resolution mass spectrometry

Lead Institution

Florida International University

Principal Investigator

Francisco Fernandez-Lima

Project type

Limited Scope

We seek to demonstrate the potential uses of cluster probes and high-resolution mass spectrometry for surface interrogation of two specific biological systems. The use of high resolution mass…

Pan-Omics Technology Development, Implementation, and Application to GSP Systems Biology Research

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Joshua Adkins

The BER Genome Science Program aims to understand complex biological and environmental systems across spatial and temporal scales to develop predictive knowledge relevant to DOE mission challenges…

High Resolution and Mass Accuracy Capability (HRMAC) Development Project

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

David Koppenaal

Access to other FTMS instrumentation is important o successfully and rapidly implement first science applications, to facilitate parallel testing of spectrometer subsystems, and to perform cross…

Consortium for Advanced Sorghum Phenomics (CASP)

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christer Jansson

The mission of the proposed project is to accelerate breeding of biomass sorghum to maximize terminal compositional (e.g., lignocellulosic) yield under drought and saline field conditions using novel…

Soybean Proteomics

Lead Institution

University of Missouri - Columbia

Principal Investigator

Gary Stacey

Project type

Large-Scale EMSL Research

Soybean is the major source of vegetable oil and, therefore, a major source for biodiesel production. In recognition of this fact, the Department of Energy-Joint Genome Institute recently completed a…

Pan-Omics Technology Development, Implementation, and Application to GSP Systems Biology Research

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Joshua Adkins

The BER Genome Science Program aims to understand complex biological and environmental systems across spatial and temporal scales to develop predictive knowledge relevant to DOE mission challenges…

High resolution and Mass Accuracy Capability (HRMAC) Development Project

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

David Koppenaal

Access to other FTMS instrumentation is important o successfully and rapidly implement first science applications, to facilitate parallel testing of spectrometer subsystems, and to perform cross…

Carbon Sequestration Beneath the Active Zone of the Rhizosphere: Insights from Extremophile Ecosystems

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Sherry Cady

To better understand the ultimate fate of carbon sequestered in the subsurface, we are studying carbon sequestration mechanisms in mineralizing extremophile environments. Such ecosystems provide an…

EPICON: Epigenetic Control of Drought Acclimation in Sorghum

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christer Jansson

Genetic manipulation of crops to increase the presence or intensity of desirable traits has been critical to increasing agricultural productivity. These changes have primarily involved modification…

Development of ETD-enhanced FT-ICR MS

Lead Institution

Bruker Daltonics Inc.

Principal Investigator

Gary Kruppa

Project type

Scientific Partner

The objective of this proposed one-year EMSL-Bruker Daltonics partnership is to incorporate electron transfer dissociation (ETD)-- relatively new dissociation technique--with EMSL's 12-Tesla…

Membrane Biology Research Campaign: Use of synthetic biology to probe molecular machines in photosynthesis

Lead Institution

Washington University in St. Louis

Principal Investigator

Himadri Pakrasi

Project type

Research Campaign

We have shown in our previous EMSL collaborations our ability to develop systems-level models of cyanobacterial processes. In the present proposal, our objective is to characterize and…

Carbon, Oxide, Metal Sequestration Mechanisms of Hot Springs Microbial Communities: Establishing a Technical Platform for Chemical Imaging Investigation

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Sherry Cady

Though microbes can indirectly and metabolically transform, sequester, and transport (i) ions, (ii) organic and inorganic complexes, and (iii) precipitates via a wide range of mechanisms,…

Probing complex microbiomes using mass spectrometry and sequencing capabilities to understand how microbiomes are influenced by their environment

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Stephen Callister

This is a resource owner proposal as part of the MinT LDRD Initiative. The objective of this proposal is the development of sequencing and mass spectrometry capabilities to support research into how…

Metabolic regulation of O-GlcNAc and cardiac function during hypertrophy

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ljiljana Pasa-Tolic

Despite treatment advances, half of patients suffering from heart failure die within five years of diagnosis, while those who survive may live with severe disabilities. Cardiac hypertrophy poses a…

A Systems Biology Approach to Infectious Diseases Research for EnteroPathogens

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Joshua Adkins

Develop and apply new "Systems Biology" approaches to the study of bacterial pathogen species Salmonella and Yersinia, this includes proteomics, transcriptomics, metabolomics, lipidomics,…

Rhizosphere Research Campaign: The plant-soil interface - understanding dynamic interactions in the context of environmental change

Lead Institution

University of Missouri - Columbia

Principal Investigator

Gary Stacey

Project type

Research Campaign

The ultimate, long-term goal is to determine what drives source-sink relationships that control the cycling of plant nutrients belowground. To fully appreciate the complexities of this dynamic…

New Mesoscale Multi-Modal Imaging Of Cellular Communication Between Microbe And Plant In The Rhizosphere – A Pilot Project

Lead Institution

University of Missouri - Columbia

Principal Investigator

Richard Ferrieri

The interaction between plants and their environment is of key importance in promoting sustainable, healthy, and robust plant growth. Underlying the ability of plants to cope with a variety of…

Advancing ecosystem understanding of carbon turnover and storage through molecular characterization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

The coupling between concurrently changing carbon (C) and nitrogen (N) cycles remains a key uncertainty in understanding feedbacks between the terrestrial C cycle and climate change. Decades of…

Development of a single-cell top-down proteomics platform for understanding rhizobial infection process

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ying Zhu

We aim to extend EMSL’s leading capability in ultrasensitive/single cell proteomics to measure intact proteins in individual plant cells. We will address major challenges in ultrasensitive top down…

An integrated workflow for identification and quantitation of intact phosphoproteins

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ljiljana Pasa-Tolic

Multisite protein modifications involving phosphorylation alone or in combination with other post-translational modifications (PTMs) play an essential role in regulating protein activity. Hence,…

High resolution and Mass Accuracy Capability (HRMAC) Development Project

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

David Koppenaal

Fourier transform ion cyclotron mass spectrometry (FTICR-MS), the highest performance mass spectrometry technique, is uniquely valued as a research tool for analytical applications requiring the…

Characterization of an Expressed Bacterial Mn(II,III)-Oxidizing Multicopper Oxidase Complex and its Mn Oxide Products

Lead Institution

University of Washington

Principal Investigator

Bradley Tebo

Project type

Large-Scale EMSL Research

Microbial Mn(II) oxidation is an important environmental process that links the biogeochemical cycle of Mn with the cycling of C, N, P, and many trace metals and radionuclides. Microbes that oxidize…

EPICON: Epigenetic Control of Drought Acclimation in Sorghum

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Christer Jansson

Genetic manipulation of crops to increase the presence or intensity of desirable traits has been critical to increasing agricultural productivity. These changes have primarily involved modification…

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…

High-Throughput Proteomics: Applications and Development (PNNL Scope #40601 and #43488)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gordon Anderson

This project involves the application and development of high-throughput proteomics and quantitative measurement capabilities within biological systems. More so, application measurements will be…

Epigenetic engineering to increase expression of novel feedstocks and lignocellulolytic enzymes

Lead Institution

Oregon State University

Principal Investigator

Michael Freitag

Project type

Large-Scale EMSL Research

Responses to environmental stimuli, e.g. changes in nutritional status, require space- and time-dependent transcription of genes in the context of chromatin, the assembly of DNA and proteins that…

Development and refinement of an in situ 'molecular microscope' utilizing ultrahigh resolution mass spectrometry

Lead Institution

University of Missouri - Columbia

Principal Investigator

Gary Stacey

The ability to elucidate complex metabolic behavior of living organisms in situ and with cellular resolution is a bioanalytical grand challenge that is yet to be realized. Mass spectrometry imaging …

FSFA: MOSAIC—Metabolic and Spatial Interactions in Communities

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Errol Robinson

This EMSL user proposal is to support the MOSAIC DOE BER funded FSFA at PNNL. The primary activities involving EMSL are a set of BSSD demonstration tasks focusing on key science questions and related…

Advanced 21T FTICR MS instrumentation and methods for functional proteomics

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

William Kew

The 21T FTICR-MS at the EMSL provides extremely high mass accuracy and resolution enabling superior depth of characterization for natural organic matter and intact mass measurement of denatured…

Projects