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Journals and Conferences
The triplex-forming abilities of some conformationally restricted nucleotide analogs are disclosed and compared herein. 2'-Amino-LNA monomers proved to be less stabilising to triplexes than LNA monomers when incorporated into a triplex-forming third strand. N2'-functionalisation of 2'-amino-LNA monomers with a glycyl unit induced the formation of… (More)
Rodent incisors exhibit pigmentation on their labial surfaces. Although previous studies have shown that this pigment is composed of iron, the existence of other elements has not been investigated. This study found that the lower incisors of CD61, also known as integrin β3, null mice (CD61(-/-)) lacked pigmentation. Although ameloblasts differentiated and… (More)
A binary photocontrolled nucleic acid probe that contains a nucleotide modified with one photolabile nitrobenzyl unit and two hybridization-sensitive thiazole orange units has been designed for area-specific fluorescence imaging of RNA in a cell. The synthesized probe emitted very weak fluorescence regardless of the presence of the complementary RNA,… (More)
Nucleic acids often acquire new functions by forming a variety of complexes with metal ions. Osmium, in an oxidized state, also reacts with C5-methylated pyrimidines. However, control of the sequence specificity of osmium complexation with DNA is still immature, and the value of the resulting complexes is unknown. We have designed a bipyridine-attached… (More)
A homogenous fluorescence dual-probe assay containing 2'-N-(pyren-1-ylmethyl)-2'-amino-LNA (locked nucleic acid) building blocks has been developed for effective mismatch-sensitive nucleic acid detection. The pyrene units, which are connected to the rigid bicyclic furanose derivative of 2'-amino-LNA through a short linker, are positioned at the 3' and 5'… (More)
It has been established that approximately 80% of a 5-methyl-2'-deoxycytidine glycol-dioxoosmium(vi)-bipyridine ternary complex, which is known to be produced as one of various consequences of oxidative damage of DNA and is formed in a key step of a recently developed DNA methylation detection method, has the 5R,6S configuration.
A dual-probe containing pyrenylmethyl amino-LNA has been developed for sensitive mismatch detection. While hybridization with complementary DNA/RNA results in very strong excimer signals, exposure to singly mismatched DNA/RNA targets results in significantly decreased excimer emission.
Unique taurine-containing uridine derivatives, 5-taurinomethyluridine (tau m5U) and 5-taurinomethyl-2-thiouridine (tau m5s2U), which were discovered in mammalian mitochondrial tRNAs, exist at the first position of the anticodon. In this paper, we report the first efficient synthesis of tau m5U and tau m5s2U and describe their physicochemical properties.… (More)
The development of a reaction for detecting the presence/absence of one methyl group in a long DNA strand is a chemically and biologically challenging research subject. A newly designed chemical assay on a chip for the typing of DNA methylation has been developed. A methylation-detection probe fixed at the bottom of microwells was crosslinked with… (More)