If you do a lot of heterologous protein expression, take a look at Eurogentec’s CherryExpress Kit. Based on the T7 expression system, the CherryExpress vector has a sequence encoding a small red polypeptide (the heme binding part of cytochrome) fused to the promoter. When your favorite gene is cloned in, the resulting fusion protein is bright red, allowing easy identification of clones expressing your gene. Even better, protein expression level can be quantified at 480nm and the highly soluble peptide could even improve the soluble expression of your protein. Tasty.
Transfection of animal cells has proven an invaluable tool in studies of gene expression, cell behavior, cell processes and molecular genetics. Essentially, transient pores are opened within the cell’s lipid bilayer, allowing insertion of nucleic acids (DNA, RNA, siRNA, RNAi), proteins, nanoparticles, and even antibodies into the cellular milieu. Transfection can be achieved using many […]
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