High throughput, efficacious gene editing & genome surveillance in Chinese hamster ovary cells
Autoři:
S. C. Huhn aff001; Y. Ou aff001; A. Kumar aff001; R. Liu aff001; Z. Du aff001
Působiště autorů:
Cell Line Development, Merck & Co., Inc., Kenilworth, NJ, United States of America
aff001
Vyšlo v časopise:
PLoS ONE 14(12)
Kategorie:
Research Article
doi:
https://doi.org/10.1371/journal.pone.0218653
Souhrn
Chinese hamster ovary (CHO) cells are a common tool utilized in bioproduction and directed genome engineering of CHO cells is of great interest to enhance recombinant cell lines. Until recently, this focus has been challenged by a lack of efficacious, high throughput, and low-cost gene editing modalities and screening methods. In this work, we demonstrate an improved method for gene editing in CHO cells using CRISPR RNPs and characterize the endpoints of Cas9 and ZFN mediated genetic engineering. Furthermore, we validate sequence decomposition as a cost effective, rapid, and accurate method for assessing mutants and eliminating non-clonal CHO populations using only capillary sequencing.
Klíčová slova:
CRISPR – Gene pool – Guide RNA – CHO cells – Polymerase chain reaction – Tides – Zinc finger nucleases
Zdroje
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Článek vyšel v časopise
PLOS One
2019 Číslo 12
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