Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1995-2-16
pubmed:abstractText
Adenylosuccinate synthetase (AdSS) functions at the branchpoint of purine nucleotide metabolism leading to the synthesis of AMP. The enzyme is inhibited by a metabolite of alanosine, an aspartic acid analog that is highly cytotoxic for most cells. We show here that it is possible to use alanosine selection to isolate from a population of transformants those cells having the highest levels of AdSS activity resulting from uptake and expression of AdSS minigenes. Transformants isolated in this way were selected for resistance to even higher concentrations of alanosine and resulted in the isolation of cells with highly amplified copies of the transfected AdSS minigenes. We demonstrated that nonselectable genes can be cotransferred and coamplified with AdSS minigenes. These findings indicate that AdSS minigenes can be used as dominant amplifiable genetic markers in mammalian cells.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0740-7750
pubmed:author
pubmed:issnType
Print
pubmed:volume
20
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
381-9
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Adenylosuccinate synthetase: a dominant amplifiable genetic marker in mammalian cells.
pubmed:affiliation
Verna and Marrs McLean Department of Biochemistry, Baylor College of Medicine, Houston, Texas 77030.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't