Effect of Locked Nucleic Acid (LNA) modification on Hybridization Kinetics of DNA duplex
نویسندگان
چکیده
منابع مشابه
Locked nucleic acid (LNA) induced effect on the hybridization and fluorescence properties of oligodeoxyribonucleotides modified with nucleobase-functionalized DNA monomers.
LNA and nucleobase-modified DNA monomers are two types of building blocks that are used extensively in oligonucleotide chemistry. However, there are only very few reports in which these two monomer families are used alongside each other. In the present study we set out to characterize the biophysical properties of oligodeoxyribonucleotides in which C5-modified 2'-deoxyuridine or C8-modified 2'-...
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Genomes are becoming heavily annotated with important features. Analysis of these features often employs oligonucleotides that hybridize at defined locations. When the defined location lies in a poor sequence context, traditional design strategies may fail. Locked Nucleic Acid (LNA) can enhance oligonucleotide affinity and specificity. Though LNA has been used in many applications, formal desig...
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We have determined the NMR solution structures of the quadruplexes formed by d(TGLGLT) and d(TL4T), where L denotes LNA (locked nucleic acid) modified G-residues. Both structures are tetrameric, parallel and right-handed and the native global fold of the corresponding DNA quadruplex is retained upon introduction of the LNA nucleotides. However, local structural alterations are observed owing to...
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'Locked nucleic acids' (LNAs) are known to introduce enhanced bio- and thermostability into natural nucleic acids rendering them powerful tools for diagnostic and therapeutic applications. We present the 1.9 Å X-ray structure of an 'all LNA' duplex containing exclusively modified β-D-2'-O-4'C-methylene ribofuranose nucleotides. The helix illustrates a new type of nucleic acid geometry that cont...
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Locked Nucleic Acids (LNA) constitute a novel class of DNA analogues that have an exceptionally high affinity towards complementary DNA and RNA. Using human classical satellite-2 repeat sequence clusters as targets, we demonstrate that LNA/DNA mixmers oligonucleotides are excellent probes for FISH combining high binding affinity with short hybridization time and even with the ability to hybridi...
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ژورنال
عنوان ژورنال: Nucleic Acids Symposium Series
سال: 2008
ISSN: 0261-3166,1746-8272
DOI: 10.1093/nass/nrn212