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Biological Sciences
We perform Biological Systems Science research using prediction and experimentation to understand the design of biological systems, translating the genome to functional capabilities for applications to energy, environment, and health. Microbial community research at PNNL is focusing on environment and energy processes, and rational design and development of new bioprocesses, while our health-related research is centering on how multicellular systems, tissues and organisms respond to disease and exposure to the environment.

2014 Key Accomplishments

2014 Key Scientific Accomplishments Report Now Available

The 2014 Key Scientific Accomplishments report in fundamental and computational sciences is now available as a downloadable PDF. This 32-page full-color brochure highlights some of the year's most noteworthy science achievements by Pacific Northwest National Laboratory scientists.



Bill Cannon portrait

Bill Cannon to Serve on Editorial Board for Scientific Reports

Congratulations to Dr. William Cannon, head of the computational biology group at Pacific Northwest National Laboratory, who was invited to serve as an Editorial Board Member for Scientific Reports, a new open-source journal from Nature Publishing Group. Scientific Reports' impact factor is ranked one below PNAS, Nature Communications, Science, and Nature in the multidisciplinary science category. As a board member, Cannon will use his research expertise to assess manuscripts, manage their peer review, and make final editorial decisions.



As Light Dims and Food Sources Are Limited, Key Changes in Proteins Occur in Cyanobacteria

Using a targeted chemical biology approach, scientists at PNNL identified an important subset consisting of more than 300 proteins in Synechococcus, a bacterium adept at converting carbon dioxide into other molecules of interest to energy researchers. These proteins are involved in generating macromolecule synthesis and carbon flux through central metabolic pathways and may also be involved in cell signaling and response mechanisms. The team's results suggest potential metabolic engineering targets for redirecting carbon toward biofuel precursors.



Jansson Named President of International Society for Microbial Ecology

Dr. Janet Jansson, Director of PNNL's Biological Sciences Division was installed as president of the International Society for Microbial Ecology (ISME) August 29 at the Society's biennial symposium in Seoul, South Korea. She will serve as president through 2016, and will preside during the period leading up to the 2018 symposium in Montreal, Canada. She has served as president-elect since the 2012 symposium. Janet, who came to PNNL in June from Lawrence Berkeley National Laboratory, is an expert in the field of molecular microbial ecology with more than 25 years experience in this area. Her current research focuses on application of omics for studying complex microbial communities in a variety of environmental systems.



Image of nanowires

Bacterial Nanowires Are Really Wires, Not Hairs

Some bacteria shoot out tendrils that conduct electricity. Now, researchers have determined the structure of one variety of bacterial nanowire, and found the wires are distinct from common bacterial hairs that they closely resemble.

Appearing in the Proceedings of the National Academy of Sciences, the results will help scientists understand how bacteria build up or break down minerals, and help them harness the bacteria to make microbial fuel cells, batteries, or to turn waste into electricity. The work was led by the University of Southern California, and contributors included researchers from PNNL, Penn State, the University of Wisconsin-Milwaukee, and Renssalaer Polytechnic Institute.



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