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|Type:||Artigo de periódico|
|Title:||Spermine Stimulates Rna-dependent Reverse Transcriptase Activity.|
|Abstract:||The polyamine spermine can not replace Mg2+ in the reactions catalyzed by avian myeloblastosis virus reverse transcriptase. In the presence of suboptimal Mg2+ concentrations, spermine enhanced the reverse transcriptase activities with viral 70 S RNA and synthetic polyriboadenylic acid as templates, about 4-fold and 2-fold, respectively. A similar effect occurred in the polyriboadenylic acid-directed reaction using Mn2+ as divalent cation. On the other hand, no stimulation by spermine was observed with activated DNA and polydeoxyadenylic acid as template in the reactions catalyzed by reverse transcriptase.|
|Subject:||Avian Leukosis Virus|
Avian Myeloblastosis Virus
Rna-directed Dna Polymerase
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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