in the forests. Lignin, a poly-aromatic hydrocarbon, is the second most abundant biopolymer on earth and its breakdown is a necessary step for making cellulose--the most abundant carbon biopolymer--available for conversion to biofuels. This organism will serve as a valuable comparison to the reference genome of white-rot fungus Phanerochaete chrysosporium, previously sequenced by DOE JGI, which belongs to a different phylogenetic branch and carries a different set of ligninolytic enzymes. Understanding the whole-genome regulation of the P. ostreatus will add further value in that its lignocellulolytic enzymes could facilitate bioremediation and other biotechnological processes. The poly-aromatic hydrocarbon oxidizing enzymes present in P. ostreatus can participate in the biodegradation of dyes, of contaminating wastes produced in agroindustries, and of forest, pulp and paper industrial by-products. This project is led by Antonio Pisabarro of the Public University of Navarre, Spain and includes more than a dozen other institutions including University of Wisconsin, Michigan State, Texas A&M, Duke, and Southeast Missouri State.
The CSP has tapped important projects from the most extreme locales, including the pristine cold environment described by a system of lakes in the Vestfold Hills region of Antarctica. This project, led by Rick Cavicchioli of the University of New South Wales in Sydney, Australia, seeks to define a microbial model for the biogeochemical process that take place in extreme cold conditions. This project entails the strategy of metagenomics, pioneered by DOE JGI, for isolating, sequencing, and characterizing DNA extracted directly from environmental samples. These data are then used to define a profile of the microbial community residing in a particular environment.
"Microbes are too small to be seen with the naked eye," said Carl Woese, professor of microbiology at the University of Illinois at Urbana-Champaign, whose pione
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Contact: David Gilbert
gilbert21@llnl.gov
925-296-5643
DOE/Joint Genome Institute
11-Jul-2006
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