Description
Molecular Weight 86
They are tested against gram-negative and gram-positive bacteria using panels
Resistance to tetracycline arises from loss of cell wall permeability and the tetR gene
This lack of interference occurs because steric hindrance of the protonated tertiary amine in HEPES shields the negative charge of DNA to a lesser extent than less substituted buffers
IPTG, dioxan free 7757-83-7 Molecular Weight 86IPTG is an analog of galactose that is non metabolizable and inactivates the lac repressor to induce synthesis of galactosidase in E. coli. The expression of cloned genes under the control of the lac operon is induced by IPTG. It is also a substrate for thigalactoside transacetylase and has been reported to induce penicillinase in bacteria. IPTG is commonly used in cloning procedures that require induction of galactosidase and is most often used with
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