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6. Deletion analysis of the Chinese hamster dihydrofolate reductase gene promoter. Ciudad CJ; Urlaub G; Chasin LA J Biol Chem; 1988 Nov; 263(31):16274-82. PubMed ID: 3182792 [TBL] [Abstract][Full Text] [Related]
7. A family of repeated DNA sequences, one of which resides in the second intervening sequence of the mouse dihydrofolate reductase gene. Feagin JE; Setzer DR; Schimke RT J Biol Chem; 1983 Feb; 258(4):2480-7. PubMed ID: 6185497 [TBL] [Abstract][Full Text] [Related]
8. Methotrexate-resistant Chinese hamster ovary cells have amplified a 135-kilobase-pair region that includes the dihydrofolate reductase gene. Milbrandt JD; Heintz NH; White WC; Rothman SM; Hamlin JL Proc Natl Acad Sci U S A; 1981 Oct; 78(10):6043-7. PubMed ID: 6273843 [TBL] [Abstract][Full Text] [Related]
11. Only the promoter region of the constitutively expressed normal and amplified human dihydrofolate reductase gene is DNase I hypersensitive and undermethylated. Shimada T; Nienhuis AW J Biol Chem; 1985 Feb; 260(4):2468-74. PubMed ID: 2982820 [TBL] [Abstract][Full Text] [Related]
12. Construction of a modular dihydrofolate reductase cDNA gene: analysis of signals utilized for efficient expression. Kaufman RJ; Sharp PA Mol Cell Biol; 1982 Nov; 2(11):1304-19. PubMed ID: 6131378 [TBL] [Abstract][Full Text] [Related]
13. Amplified inverted duplications within and adjacent to heterologous selectable DNA. Heartlein MW; Latt SA Nucleic Acids Res; 1989 Feb; 17(4):1697-716. PubMed ID: 2922290 [TBL] [Abstract][Full Text] [Related]
14. Dual bidirectional promoters at the mouse dhfr locus: cloning and characterization of two mRNA classes of the divergently transcribed Rep-1 gene. Linton JP; Yen JY; Selby E; Chen Z; Chinsky JM; Liu K; Kellems RE; Crouse GF Mol Cell Biol; 1989 Jul; 9(7):3058-72. PubMed ID: 2674679 [TBL] [Abstract][Full Text] [Related]
15. Spontaneous splicing mutations at the dihydrofolate reductase locus in Chinese hamster ovary cells. Mitchell PJ; Urlaub G; Chasin L Mol Cell Biol; 1986 Jun; 6(6):1926-35. PubMed ID: 3023911 [TBL] [Abstract][Full Text] [Related]
16. Multiple transcription start sites, DNase I-hypersensitive sites, and an opposite-strand exon in the 5' region of the CHO dhfr gene. Mitchell PJ; Carothers AM; Han JH; Harding JD; Kas E; Venolia L; Chasin LA Mol Cell Biol; 1986 Feb; 6(2):425-40. PubMed ID: 3023846 [TBL] [Abstract][Full Text] [Related]
17. Structure of amplified normal and variant dihydrofolate reductase genes in mouse sarcoma S180 cells. Crouse GF; Simonsen CC; McEwan RN; Schimke RT J Biol Chem; 1982 Jul; 257(13):7887-97. PubMed ID: 6282858 [TBL] [Abstract][Full Text] [Related]