Surface-initiated enzymatic polymerization of DNA

We describe a technique to synthesize DNA homopolymers on a surface using surface-initiated enzymatic polymerization (SIEP) with terminal deoxynucleotidyl transferase (TdTase), an enzyme that repetitively adds mononucleotides to the 3'-end of oligonucleotides. The thickness of the synthesized D...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 23 vom: 06. Nov., Seite 11712-7
1. Verfasser: Chow, Dominic C (VerfasserIn)
Weitere Verfasser: Chilkoti, Ashutosh
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Comparative Study Journal Article Research Support, U.S. Gov't, Non-P.H.S. Antibodies DNA, Single-Stranded Deoxyadenine Nucleotides Deoxyguanine Nucleotides Oligonucleotides Polydeoxyribonucleotides Thymine Nucleotides mehr... deoxyguanosine triphosphate 8C2O37Y44Q DNA Nucleotidylexotransferase EC 2.7.7.31 2'-deoxyadenosine triphosphate K8KCC8SH6N thymidine 5'-triphosphate QOP4K539MU
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520 |a We describe a technique to synthesize DNA homopolymers on a surface using surface-initiated enzymatic polymerization (SIEP) with terminal deoxynucleotidyl transferase (TdTase), an enzyme that repetitively adds mononucleotides to the 3'-end of oligonucleotides. The thickness of the synthesized DNA layer was found to depend on the deoxymononucleotide monomer, in the order of dATP > dTTP > dGTP approximately dCTP. In addition, the composition and the surface density of oligonucleotide initiators were also important in controlling the extent of DNA polymerization. The extension of single-stranded DNA chains by SIEP was further verified by their binding to antibodies specific to oligonucleotides. TdTase-mediated SIEP can also be used to grow spatially defined three-dimensional DNA structures by soft lithography and is a new tool for bioinspired fabrication at the micro- and nanoscale 
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650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Chilkoti, Ashutosh  |e verfasserin  |4 aut 
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