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Abbreviation for isopropylthiogalactoside.
Farlex Partner Medical Dictionary © Farlex 2012
IPTGabbrev. isopropyl 3-D-thiogalacto-pyranoside. A synthetic inducer of (3-galactosidase activity in various BACTERIA. IPTG is used with the chromogenic substrate ‘X-gal’ to distinguish between recombinant and non-recombinant bacterial colonies, using cloning strategies based on INSERTIONAL INACTIVATION of the lacZ gene (of the LAC OPERON ), which encodes
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005