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Research Abstracts Online
January 2010 - March 2011

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University of Minnesota Twin Cities
College of Biological Sciences
College of Food, Agricultural, and Natural Resource Sciences
Department of Plant Biology

PI: Steve Gantt

The Trametes cingulata Genome and Transcriptome

The presence of lignin in secondary cell walls makes wood very resistant to decay. White-rot fungi, such as Trametes cingulata and Phanerochaete chrysosporium, are typically found on hardwoods and degrade the three major cell wall components: lignin and the carbohydrates cellulose and hemicellulose. These fungi leave behind modified wood that appears bleached and is soft and spongy due to the loss of lignin and significant amounts of carbohydrate. On the other hand, Postia placenta is a brown-rot fungus, which typically degrades softwoods, consuming the carbohydrates and leaving behind a brown and crumbly substrate that consists mostly of modified lignin. To address the mechanism of lignin degradation, these researchers have sequenced the genome and transcriptome of T. cingulata and compared its predicted secretome with those of the related fungi P. chrysosporium and P. placenta. MSI hardware and software are being used to assemble both the genome and the transcriptome.

Group Members

Simo Sarkanen, Co-Principal Investigator
Yi-ru Chen, Research Associate
Sajeet Haridas, Graduate Student
Sujata Pulugurta, Research Associate
Karen Tang, Research Associate