Title |
Establishment of a Chinook salmon cell line with an inducible gene expression system
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Published in |
In Vitro Cellular & Developmental Biology - Animal, November 2011
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DOI | 10.1007/s11626-011-9466-8 |
Pubmed ID | |
Authors |
Bertrand Collet, Katherine Lester |
Abstract |
We have isolated a stable recombinant cell line CHSE-TOF5 derived from the Chinook salmon (Oncorhynchus tshawytscha) embryo cells for use as an inducible expression system. The cells were transfected with the pTet-Off plasmid from the Tet On/Off Clontech system, carrying a G418 resistance gene. Several G418-resistant clones were subcultured and characterised by quantitative PCR (qPCR) and by transient transfection. The level of expression of transcriptional activator was measured by qPCR in a number of isolated clones, and transient transfection with a pTRE2-hyg-LUC plasmid was used to evaluate the inducibility of these clones. A clone was selected for its relative fast cell growth and good level of inducibility. This genetically engineered cell line is a valuable tool for the fish research community especially in research areas investigating the biological function of proteins from fish or fish pathogens. |
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