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Isoprene synthase from heath star moss
Start Date: 2/28/2014Start Time: 2:00 PM
End Date: 2/28/2014End Time: 3:00 PM

Event Description
Professor Alison J. Fisher will speak about "Isoprene synthase from heath star moss: A possible window into the evolution and function of isoprene production by land plants."

Isoprene (2-methyl-1,3-butadiene) is the most abundant volatile organic compound (VOC) released from land plants. Indeed, plants release over 600 million tons of isoprene each year into the atmosphere. Once airborne, isoprene promotes the production of photochemical smog and other air pollutants and contributes indirectly to global warming. In many seed plants, the enzyme isoprene synthase catalyzes the production of isoprene from its precursor, dimethylallyl diphosphate (DMAPP). However, the role of isoprene in plant biology remains elusive. While isoprene production by mosses is common, there are no previous reports of enzymatic production of isoprene in a moss. We isolated and characterized a DMAPP-dependent isoprene synthase from cell-free extracts of heath star moss (Campylopus introflexus), and efforts are underway in our laboratory to clone the mRNA transcript that codes for this novel enzyme. The discovery of the first isoprene synthase activity from a moss could shed light on the evolution, and possible biological function, of isoprene production in plants.
Location Information:
*WU Campus - Hatfield Library  (View Map)
900 State Street
Salem, Oregon 97301
Phone: 503-370-6300
Room: Hatfield Room
Contact Information:
Name: Doreen Simonsen
Phone: 503 375-5343
Email: dsimonse@willamette.edu
Alison J. Fisher
Event Sponsor(s):
Faculty Colloquium

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