
Thermo Fisher Scientific X-Gal, 2 x 1 g
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Thermo Scientific™
X-Gal
Thermo Scientific X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galacto-pyranoside) is an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal into colorless galactose and 4-chloro-3-brom-indigo, forming자세히 알아보기
Thermo Scientific X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galacto-pyranoside) is an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal into colorless galactose and 4-chloro-3-brom-indigo, forming an intense blue precipitate. Induction of the lacZ gene with IPTG leads to the hydrolysis of X-Gal and to the development of blue colonies (see Supporting data).
Applications
• Blue/white colony screening to distinguish recombinant (white) from non-recombinant (blue) colonies (see Reference 1)
• Visualization of beta-galactosidase reporter gene expression in transfected eukaryotic cells
• Detection of beta-galactosidase activity in immunological and histochemical procedures
Note
• Preparation of a 20 mg/mL stock solution in dimethylformamide (DMF) or dimethylsulfoxide (DMSO) is recommended for X-Gal. DMF dissolves some plastic materials. The direct addition of DMF containing solution to plastic Petri dishes should be avoided.
• DMF is toxic. Allow X-Gal solution containing dimethylformamide to completely dry before plating bacteria on agar plates.
Related Products
X-Gal
X-Gal Solution, ready-to-use
사양
검출 방법Colorimetric
제품 유형X-Gal
수량2 x 1 g
기질 특성Chemical Substrate
기질 유형Beta-Gal Substrate, X-Gal
Unit SizeEach
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