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XJa Autolysis™ Glycerol Stock

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1 ml _$$_
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£155.00 Estimated delivery Wed 24 Jul
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While there are many cell lysis methods available to scientists, unfortunately none of these methods combine all the ideal features for simple, efficient, economical, and gentle lysis of E. coli cells. The E. coli XJ autolysing strains from Zymo Research were engineered to address this problem. Mild expression of a chromosomally encoded bacteriophage λ R gene, encoding the λ lysozyme, also known as λ endolysin, is induced during growth. Cells are harvested intact while the peptidoglycan layer of the cell walls has been protected from digestion by the cytoplasmic membrane. The membrane is, however, amenable to disruption by a brief physico-chemical stress such as a freeze-thaw cycle after harvesting the cells. The XJ Autolysis™ method is highly efficient and takes only minutes (unlike traditional multiple freeze-thaw cycles). It can be applied to any number of samples without increasing processing time and labor (unlike sonication or French-press), is reliable and repeatable (unlike lysozyme treatment), and finally, is fully compatible with a wide range of buffers. Additionally, it does not require use of any potentially interfering components such as detergents, commonly found in various lytic buffers. They are also applicable for nucleic acid purification, and available with a DE3 lysogen encoding the T7 polymerase for expressing recombinant proteins driven by the T7 promoter. (Add 500x Arabinose)

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