title: Isolation of Clostridium thermocellum Auxotrophs.
abstract: Spontaneous and UV irradiation-induced auxotrophic mutants of Clostridium thermocellum, an anaerobic cellulolytic thermophile, were isolated after penicillin enrichment in a chemically defined medium.
authors.affiliation: Department of Nutrition and Food Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
authors.forename: B S
authors.initials: BS
authors.lastname: Méndez
authors.forename: R F
authors.initials: RF
authors.lastname: Gómez