PubMed=6933469; DOI=10.1073/pnas.77.7.4216; PMCID=PMC349802
Urlaub G., Chasin L.A.
Isolation of Chinese hamster cell mutants deficient in dihydrofolate reductase activity.
Proc. Natl. Acad. Sci. U.S.A. 77:4216-4220(1980)

PubMed=6287224; DOI=10.1128/mcb.2.1.93-96.1982; PMCID=PMC369757
Graf L.H. Jr., Chasin L.A.
Direct demonstration of genetic alterations at the dihydrofolate reductase locus after gamma irradiation.
Mol. Cell. Biol. 2:93-96(1982)

PubMed=19003404; DOI=10.1023/A:1008052908496; PMCID=PMC3449829
Rasmussen B., Davis R., Thomas J., Reddy P.
Isolation, characterization and recombinant protein expression in Veggie-CHO: a serum-free CHO host cell line.
Cytotechnology 28:31-42(1998)

PubMed=21945585; DOI=10.1016/j.jbiotec.2011.09.014
Becker J., Hackl M., Rupp O., Jakobi T., Schneider J., Szczepanowski R., Bekel T., Borth N., Goesmann A., Grillari J., Kaltschmidt C., Noll T., Puhler A., Tauch A., Brinkrolf K.
Unraveling the Chinese hamster ovary cell line transcriptome by next-generation sequencing.
J. Biotechnol. 156:227-235(2011)

DOI=10.3390/pr1030296
Wurm F.M.
CHO quasispecies -- implications for manufacturing processes.
Processes 1:296-311(2013)

PubMed=25887056; DOI=10.1186/s12864-015-1391-x; PMCID=PMC4359788
Kaas C.S., Kristensen C., Betenbaugh M.J., Andersen M.R.
Sequencing the CHO DXB11 genome reveals regional variations in genomic stability and haploidy.
BMC Genomics 16:160.1-160.9(2015)

PubMed=26993211; DOI=10.1016/j.jbiotec.2016.03.022
Klanert G., Jadhav V., Shanmukam V., Diendorfer A.B., Karbiener M., Scheideler M., Hernandez-Bort J.A., Grillari J., Hackl M., Borth N.
A signature of 12 microRNAs is robustly associated with growth rate in a variety of CHO cell lines.
J. Biotechnol. 235:150-161(2016)

DOI=10.3390/pr5020020
Wurm F.M., Wurm M.J.
Cloning of CHO cells, productivity and genetic stability -- a discussion.
Processes 5:20.1-20.13(2017)

PubMed=32619503; DOI=10.1016/j.ymben.2020.06.002
Szeliova D., Ruckerbauer D.E., Galleguillos S.N., Petersen L.B., Natter K., Hanscho M., Troyer C., Causon T., Schoeny H., Christensen H.B., Lee D.-Y., Lewis N.E., Koellensperger G., Hann S., Nielsen L.K., Borth N., Zanghellini J.
What CHO is made of: variations in the biomass composition of Chinese hamster ovary cell lines.
Metab. Eng. 61:288-300(2020)

PubMed=33596973; DOI=10.1186/s13039-021-00528-3; PMCID=PMC7888135
Turilova V.I., Goriachaia T.S., Yakovleva T.K.
Chinese hamster ovary cell line DXB-11: chromosomal instability and karyotype heterogeneity.
Mol. Cytogenet. 14:11.1-11.12(2021)

PubMed=34050613; DOI=10.1002/biot.202100165
Wurm M.J., Wurm F.M.
Naming CHO cells for bio-manufacturing: genome plasticity and variant phenotypes of cell populations in bioreactors question the relevance of old names.
Biotechnol. J. 16:e2100165.1-e2100165.13(2021)