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thymidine kinase (tk) gene |
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thymidine kinase (tk) gene a gene coding for thymidine kinase that is expressed in most mammalian cells and some viruses (herpes-, pox-viruses). Used as a selectable marker in that tk minus (tk−) cells and viruses do not survive in medium containing hypoxanthine, aminopterin and thymidine (HAT medium); such cells cotransfected with a vector carrying a tk gene (tk+) can be rescued. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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