Literature DB >> 11196570

Nonenzymatic template-directed condensation of short-chained oligouridylates on a poly(A) template.

H Sawai1, M Wada.   

Abstract

An oligouridylate with chain-length of more than three was condensed on a polyadenylate [poly(A)] template with 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDAC) in imidazole buffer. The condensation reaction proceeds via the phosphorimidazolide of the oligouridylate as an intermediate. Pentauridylate [(pU)5] was converted to decauridylate [(pU)10] in 10% yield at 0 degree C for 7 days in the presence of the poly(A) template, while no coupling product was obtained in the absence of the poly(A) template. The resulting linkage of the (pU)10 was mainly 2'-5' linkage.

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Year:  2000        PMID: 11196570     DOI: 10.1023/a:1026583814064

Source DB:  PubMed          Journal:  Orig Life Evol Biosph        ISSN: 0169-6149            Impact factor:   1.950


  21 in total

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Journal:  Orig Life Evol Biosph       Date:  1997-12       Impact factor: 1.950

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Journal:  J Mol Evol       Date:  1991       Impact factor: 2.395

9.  Heteropolynucleotides as templates for non-enzymatic polymerizations.

Authors:  J Ninio; L E Orgel
Journal:  J Mol Evol       Date:  1978-12-29       Impact factor: 2.395

10.  A nonenzymatic RNA polymerase model.

Authors:  T Inoue; L E Orgel
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