Members

Dr. Bruce A. Hungate, Chair Department of Biological Sciences Northern Arizona University	Dr. Randi Johnson Retired- Formerly National Institute of Food and Agriculture US Department of Agriculture
Dr. Maureen McCann, Vice Chair Biosciences Center National Renewable Energy Laboratory	Ms. Kerstin Kleese van Dam Director, Computational Science Initiative Brookhaven National Laboratory
Dr. Caroline Ajo-Franklin Department of BioSciences Rice University	Dr. Petra Klein School of Meteorology University of Oklahoma
Dr. Cris Argueso Department of Agricultural Biology Colorado State University	Dr. Sonia Kreidenweis Department of Atmospheric Science Colorado State University
Dr. Ana P. Barros The Grainger College of Engineering University of Illinois	Dr. Diane Lidke Health Sciences Center University of New Mexico
Dr. Bruno Basso Department of Geological Sciences Michigan State University	Dr. Yuh Lang Lin Department of Physics North Carolina A&T State University
Dr. Michael Bellamy Sloan Kettering Research Institute Memorial Sloan Kettering Cancer Center	Dr. Xiaohong Liu Department of Atmospheric Sciences Texas A&M University
Dr. Edgar Cahoon Center for Plant Science Innovation University of Nebraska	Dr. Gloria K. Muday Department of Biology Wake Forest University
Dr. Sen Chiao NOAA Cooperative Science Center in Atmospheric Sciences and Meteorology Atmospheric Science Program Howard University	Dr. Dev Niyogi Jackson School of Geosciences University of Texas, Austin
Dr. Romy Chakraborty Earth & Environmental Sciences Area Lawrence Berkeley National Laboratory	Dr. Himadri Pakrasi Department of Biology Washington University in St. Louis
Dr. Emanuale DiLorenzo Department of Earth, Environmental, and Planetary Sciences Brown University	Dr. Kristala L. Jones Prather Department of Chemical Engineering Massachusetts Institute of Technology
Dr. Leo Donner NOAA Geophysical Fluid Dynamics Laboratory Princeton University, Forrestal Campus	Dr. Patrick Reed School of Civil and Environmental Engineering Cornell University
Dr. Matthew Fields Center for Biofilm Engineering Montana State University	Dr. Gemma Reguera Department of Microbiology and Molecular Genetics Michigan State University
Dr. Robert Fischetti Life Sciences Advisor and Group Leader Argonne National Laboratory	Mr. Jeremy Schmutz Genome Sequencing Center Hudson Alpha Institute for Biotechnology
Dr. Ann Fridlind Earth Sciences Division NASA Goddard Institute for Space Studies	Dr. Karen Seto School of the Environment Yale University
Dr. Jorge E. Gonzalez-Cruz NOAA CESSRST The Grove School of Engineering City College of New York	Dr. Matthew D. Shupe Cooperative Institute for Research in Environmental Sciences University of Colorado and NOAA
Dr. Theodore Goodson, III Department of Chemistry University of Michigan	Dr. Rodrigo Vargas Department of Plant and Soil Sciences University of Delaware

Highlights

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Cel7A cellulase enzymes (gold) are inhibited when breaking down cellulose (green) by the product, cellobiose, at both the “front door" (1) and “back door" (2) of the Cel7A tunnel, and by two other components of plant cell walls, lignin (brown) and xylan (orange).

Scientists Gain New Molecular-Level Insights into Breaking Down Plant Material for Biofuels

A specialized microscope allows investigations of single molecules of cellulase enzymes.

Researchers determined the nitrogen source preference of different ammonia-oxidizing microorganisms by growing cells in an ammonia-urea mixture with nitrogen-15 labeled urea or ammonia and imaging labeled cells with NanoSIMS.

Different Microorganisms Have a Taste for Different Flavors of Ammonia

Research on ammonia-oxidizing microorganisms reshapes scientists’ perspective on those microbes’ physiology and ecological niche.

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