Rashtchian, A Increased production of beta-lactamase under anaerobic conditions in some strains of Escherichia coli. [electronic resource] - Antimicrobial agents and chemotherapy Dec 1979 - 772-5 p. digital Publication Type: Journal Article ISSN: 0066-4804 Standard No.: 10.1128/AAC.16.6.772 doi Subjects--Topical Terms: AerobiosisAnaerobiosisBacterial Proteins--biosynthesisEscherichia coli--enzymologybeta-Lactamases--biosynthesis