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|Type:||Artigo de periódico|
|Title:||EFFECT OF DIMETHYL-SULFOXIDE ON REVERSE-TRANSCRIPTASE ACTIVITY|
|Abstract:||At low concentrations, dimethyl sulfoxide (DMSO) stimulated the avian myeloblastosis virus reverse transcriptase activity. About 40% stimulation was obtained in the presence of 5% (v/v) DMSO, using activated DNA and polyriboadenylic acid (poly(rA)) as templates, and Mg2+ as divalent cation. A similar stimulation by DMSO was observed with Mn2+ for the poly(rA)-dependent reverse transcriptase activity. DMSO at concentrations higher than 15% inhibited the reverse transcriptase reactions, independent of the template-primers used. An exception was detected with the 2'-fluoro analog of poly(rA) as template, where an activation of 100% was found in the presence of 20% DMSO. The stimulation caused by DMSO could be due to a reduction of the apparent Km value for poly(rA) from 9.1 to 3.3 mu g/ml.|
AVIAN MYELOBLASTOSIS VIRUS
|Editor:||Assoc Bras Divulg Cientifica|
|Citation:||Brazilian Journal Of Medical And Biological Research. Assoc Bras Divulg Cientifica, v. 28, n. 3, n. 285, n. 290, 1995.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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