Use of enzyme-deficient cell lines as feeder layers |
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Authors: | Graves Jennifer A Marshall |
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Institution: | (1) Department of Genetics and Human Variation, La Trobe University, 3083 Bundoora, Victoria, Australia |
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Abstract: | Summary Enzyme-deficient cell lines, lacking TK or HPRT and therefore unable to grow in HAT medium, may be used as feeder layers to
enhance clonal growth of wild-type cells. Low numbers of wild-type test cells may be plated in HAT medium with 5×105 HAT-sensitive feeder cells per Petri dish. The feeder cells remain attached and metabolizing for 1 to 2 weeks, but ultimately
die and detach, leaving colonies of test cells. This feeder layer technique is very simple and flexible and could have wide
applicability.
This work was a byproduct of a project on fusion and hybridization of marsupial and eutherian cells supported by the Australian
Research Grants Committee. |
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Keywords: | cloning feeder layers mutant cells |
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