U.S. Department of Energy Office of Biological and Environmental Research

BER Research Highlights

DOE Bioenergy Center Characterizes Cell Wall Proteins in Poplar Tree
Published: November 09, 2009
Posted: November 11, 2009

Developing improved plant feedstocks for bioenergy requires an understanding of plant growth and adaptation and knowledge of the underlying molecular pathways of plant cell wall biosynthesis. Scientists at the DOE Bioenergy Science Center (BESC) report the most comprehensive characterization to date of the proteome, or protein complement, of xylem tissues from poplar, a tree commonly cited as a promising feedstock for bioenergy. The study, featured on the cover of the journal Proteomics, used mass spectrometry-based proteomics as a tool to study wood and secondary cell wall formation. Approximately 6,000 proteins from developing poplar xylem tissue were isolated and identified. They included several newly identified proteins thought to regulate cell wall formation in woody tissues of poplar and many proteins of unknown function. Measuring differences in whole proteomes between different poplar variations will increase our understanding of the fundamental properties that underlie the recalcitrance of woody biomass to degradation. This technology will provide new pathways for the potential improvement of poplar as a bioenergy feedstock.

Reference: Kalluri UC, Hurst GB, Lankford PK, Ranjan P, Pelletier DA. 2009. "Shotgun proteome profile of Populus developing xylem," Proteomics 9 (21):4871-80.

Contact: Cathy Ronning, SC-23.2, (301) 903-9549
Topic Areas:

  • Research Area: Plant Systems and Feedstocks, Plant-Microbe Interactions
  • Research Area: Sustainable Biofuels and Bioproducts
  • Research Area: DOE Bioenergy Research Centers (BRC)
  • Research Area: Research Technologies and Methodologies

Division: SC-23.2 Biological Systems Science Division, BER


BER supports basic research and scientific user facilities to advance DOE missions in energy and environment. More about BER

Recent Highlights

May 10, 2019
Quantifying Decision Uncertainty in Water Management via a Coupled Agent-Based Model
Considering risk perception can improve the representation of human decision-making processes in age [more...]

May 09, 2019
Projecting Global Urban Area Growth Through 2100 Based on Historical Time Series Data and Future Scenarios
Study provides country-specific urban area growth models and the first dataset on country-level urba [more...]

May 05, 2019
Calibrating Building Energy Demand Models to Refine Long-Term Energy Planning
A new, flexible calibration approach improved model accuracy in capturing year-to-year changes in bu [more...]

May 03, 2019
Calibration and Uncertainty Analysis of Demeter for Better Downscaling of Global Land Use and Land Cover Projections
Researchers improved the Demeter model’s performance by calibrating key parameters and establi [more...]

Apr 22, 2019
Representation of U.S. Warm Temperature Extremes in Global Climate Model Ensembles
Representation of warm temperature events varies considerably among global climate models, which has [more...]

List all highlights (possible long download time)