organism: hydrocarbon metagenome
description: Methanogenic consortium not amended with a carbon source that serves as a background control for methanogenesis from naphthalene substrates.  The unamended culture was initially derived from a gas condensate-contaminated aquifer near Ft. Lupton, Colorado.  Aquifer sediments from the site were added to an anaerobic mineral salts medium and multiple transfers yielded a sediment-free culture.  The unamended culture was initially incubated with 2-methylnaphthalene but was transferred without substrate to serve as an unamended control.