期刊
MOLECULES
卷 20, 期 11, 页码 20777-20804出版社
MDPI
DOI: 10.3390/molecules201119730
关键词
SELEX; DNAzymes; chemically modified nucleic acids; functional nucleic acids; biosensors; therapeutic nucleic acids
资金
- Swiss National Science Foundation [PZ00P2_126430/1, PZ00P2_144595, 200020-13037]
- University of Bern
- Swiss National Science Foundation (SNF) [PZ00P2_144595, PZ00P2_126430] Funding Source: Swiss National Science Foundation (SNF)
Deoxyribozymes or DNAzymes are single-stranded catalytic DNA molecules that are obtained by combinatorial in vitro selection methods. Initially conceived to function as gene silencing agents, the scope of DNAzymes has rapidly expanded into diverse fields, including biosensing, diagnostics, logic gate operations, and the development of novel synthetic and biological tools. In this review, an overview of all the different chemical reactions catalyzed by DNAzymes is given with an emphasis on RNA cleavage and the use of non-nucleosidic substrates. The use of modified nucleoside triphosphates (dN*TPs) to expand the chemical space to be explored in selection experiments and ultimately to generate DNAzymes with an expanded chemical repertoire is also highlighted.
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