Cellular activity of siRNA oligonucleotides containing synthetic isomorphic nucleoside surrogates
作者:Dongwon Shin、Peter Lönn、Steven F. Dowdy、Yitzhak Tor
DOI:10.1039/c4cc08809c
日期:——
Singly and multiply modified synthetic siRNA oligonucleotides, containing highly isomorphic surrogate nucleobases, show high interference activity in cell culture.
含高同构代用核碱基的单个和多个修饰的合成siRNA寡核苷酸,在细胞培养中表现出高的干扰活性。
A highly fluorescent nucleoside analog based on thieno[3,4-d]pyrimidine senses mismatched pairing
作者:Seergazhi G. Srivatsan、Haim Weizman、Yitzhak Tor
DOI:10.1039/b801054d
日期:——
A highly emissive nucleobase analog, based on a thieno[3,4-d]pyrimidine core, is enzymatically incorporated into RNA oilgonucleotides that function as base discriminating fluorescent probes.
RNA Probes for Visualization of Sarcin/ricin Loop Depurination without Background Fluorescence
作者:Robin Klimek、Christoph Kaiser、Nina S. Murmann、Nina Kaltenschnee、Teresa Spanò、Josef Wachtveitl、Erin M. Schuman、Alexander Heckel
DOI:10.1002/asia.202201077
日期:2022.12.14
Depurination of a single nucleobase at the sarcinricinloop can knock out the entire ribosome. So far, however, this biochemical reaction could not be satisfactorily visualized. In this work, we demonstrate the design and characterization of a fluorescent probe that can exclusively detect depurinated RNA.
A Highly Emissive Fluorescent Nucleoside that Signals the Activity of Toxic Ribosome-Inactivating Proteins
作者:Seergazhi G. Srivatsan、Nicholas J. Greco、Yitzhak Tor
DOI:10.1002/anie.200802199
日期:2008.8.18
Emissive RNA Alphabet
作者:Dongwon Shin、Renatus W. Sinkeldam、Yitzhak Tor
DOI:10.1021/ja206095a
日期:2011.9.28
A fluorescent ribonucleoside alphabet consisting of highly emissive purine ((th)A, (th)G) and pyrimidine (U-th, C-th) analogues, all derived from thieno[3,4-d]pyrimidine as the heterocyclic nucleus, is described. Structural and biophysical analyses demonstrated that the emissive analogues are faithful isomorphic nucleoside surrogates. Photophysical analysis established that the nucleosides offer highly desirable qualities, including visible emission, high quantum yield, and responsiveness to environmental perturbations, traits entirely lacking in their native counterparts.