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2014 ; 53
(49
): 13514-7
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Enzymatic fabrication of high-density RNA arrays
#MMPMID25339581
Wu CH
; Holden MT
; Smith LM
Angew Chem Int Ed Engl
2014[Dec]; 53
(49
): 13514-7
PMID25339581
show ga
A powerful new strategy for the fabrication of high-density RNA arrays is
described. A high-density DNA array is fabricated by standard photolithographic
methods, the surface-bound DNA molecules are enzymatically copied into their RNA
complements from a surface-bound RNA primer, and the DNA templates are
enzymatically destroyed, leaving behind the desired RNA array. The strategy is
compatible with 2'-fluoro-modified (2'F) ribonucleoside triphosphates (rNTPs),
which may be included in the polymerase extension reaction to impart nuclease
resistance and other desirable characteristics to the synthesized RNAs. The use
and fidelity of the arrays are explored with DNA hybridization, DNAzyme cleavage,
and nuclease digestion experiments.