An amplified chromosomal sequence that includes the gene for dihydrofolate reductase initiates replication within specific restriction fragments.

We have developed a methotrexate-resistant Chinese hamster ovary cell line (CHOC 400) containing a 500-fold amplification of a 135-kilobase chromosomal DNA sequence. This sequence includes the gene for dihydrofolate reductase (tetrahydrofolate dehydrogenase, 5,6,7,8-tetrahydrofolate: NADP+ oxidoredu...

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Hauptverfasser: Heintz, N H, Hamlin, J L
Format: Artigo
Sprache:Inglês
Veröffentlicht: 1982
Schlagworte:
Research Article
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC346581/
https://ncbi.nlm.nih.gov/pubmed/6955792
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