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ARS Home » Midwest Area » Peoria, Illinois » National Center for Agricultural Utilization Research » Renewable Product Technology Research » Research » Publications at this Location » Publication #281138
Title: UV-C mutagenesis of Kluyveromyces marxianus NRRL Y-1109 strain for improved anaerobic growth at elevated temperature on pentose and hexose sugars

Author
item Hughes, Stephen
item Rich, Joseph

Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: 4/21/2012
Publication Date: 4/21/2012
Citation: Hughes, S.R., Rich, J.O. 2012. UV-C mutagenesis of Kluyveromyces marxianus NRRL Y-1109 strain for improved anaerobic growth at elevated temperature on pentose and hexose sugars [abstract]. American Chemical Society.

Interpretive Summary:

Technical Abstract: More robust industrial yeast strains from Kluyveromyces marxianus NRRL Y-1109 and have been produced using UV-C irradiation specifically for anaerobic conversion of lignocellulosic sugar streams to fuel ethanol at elevated temperature (45°C). This type of random mutagenesis offers the possibility of generating large numbers of mutations broadly over the whole genome. When all of the genes were mutagenized to average 80% kill level and selected in sufficient numbers using automated plating strategies, we observed strains with improved utilization of sugars from lignocellulosic feedstocks under anaerobic conditions and at elevated temperatures.