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Molecular and Cellular Biology|April 1, 1990
Multiple origins of replication in the dihydrofolate reductase amplicons of a methotrexate-resistant chinese hamster cell lineC Ma, T H Leu, J L HamlinGenes & Development|April 1, 1993
Sister chromatid fusion initiates amplification of the dihydrofolate reductase gene in Chinese hamster cellsC Ma, S Martin, B Trask, et al.Molecular and Cellular Biology|June 1, 1988
Organization and genesis of dihydrofolate reductase amplicons in the genome of a methotrexate-resistant Chinese hamster ovary cell lineC Ma, J E Looney, T H Leu, et al.Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology|October 1, 1992
Mammalian origins of replicationJ L HamlinCritical Reviews in Eukaryotic Gene Expression|January 1, 1992
Initiation of replication in mammalian chromosomesJ L HamlinCurrent Opinion in Cell Biology|June 1, 1991
Origins of replication: timing and chromosomal positionJ L Hamlin, J P Vaughn, P A Dijkwel, et al.Molecular and Cellular Biology|February 1, 1989
Replication in the amplified dihydrofolate reductase domain in CHO cells may initiate at two distinct sites, one of which is a repetitive sequence elementB Anachkova, J L HamlinNucleic Acids Research|August 25, 1993
A general protocol for evaluating the specific effects of DNA replication inhibitorsV Levenson, J L HamlinMolecular and Cellular Biology|December 1, 1988
The dihydrofolate reductase amplicons in different methotrexate-resistant Chinese hamster cell lines share at least a 273-kilobase core sequence, but the amplicons in some cell lines are much larger and are remarkably uniform in structureJ E Looney, C Ma, T H Leu, et al.Molecular and Cellular Biology|February 1, 1989
High-resolution mapping of replication fork movement through the amplified dihydrofolate reductase domain in CHO cells by in-gel renaturation analysisT H Leu, J L HamlinPageof 166