Thioflavin T specifically brightening “Guanine Island” in duplex-DNA: a novel fluorescent probe for single-nucleotide mutation

W Zhou, Z Yu, G Ma, T Jin, Y Li, L Fan, X Li - Analyst, 2019 - pubs.rsc.org
Here, we found that Thioflavin T (ThT) could specifically bind with a G-GGG unit (named as
“Guanine Island”) in double stranded DNA (ds-DNA). Through stacking with G base via …

A highly sensitive label-free sensor for Mercury ion (Hg2+) by inhibiting thioflavin T as DNA G-quadruplexes fluorescent inducer

J Ge, XP Li, JH Jiang, RQ Yu - Talanta, 2014 - Elsevier
DNA sequences with guanine repeats can be induced to form G-quartets that adopt G-
quadruplex structures in the presence of thioflavin T (ThT). ThT plays a dual role of inducing …

Sensing of biomolecules and label-free discrimination of DNA containing a triple T–C/T–G mismatch pair with a fluorescence light-up probe, triazolylpyrene …

SS Bag, R Kundu, S Jana - Tetrahedron Letters, 2013 - Elsevier
Binding to the minor groove of calf-thymus DNA (ct-DNA) and strong binding in hydrophobic
pocket of bovine serum albumin (BSA), switched-on the fluorescence of smart fluorescent …

Probing the Tl+-induced structural transformation of G-rich DNA to G-quadruplex with a label‐free thioflavin T-based biosensor

Z Dong, C Xie, X Li, P Wu - Sensors and Actuators B: Chemical, 2023 - Elsevier
Abstract More than 700,000 G-rich sequences in the human genome are able to form G-
quadruplex (G4). Since G4 is closely relevant to a variety of essential biological regulatory …

[HTML][HTML] Trifunctional fluorescent unnatural nucleoside: Label free detection of TT/CC base mismatches, abasic site and bulge DNA

SS Bag, MK Pradhan, S Talukdar - Journal of Photochemistry and …, 2017 - Elsevier
The detection and targeting of both the mismatched and abasic DNA is highly important
which would ultimately help in designing new diagnostics and chemotherapeutics …

Fluorescent detection of single nucleotide polymorphism utilizing a hairpin DNA containing a nucleotide base analog pyrrolo-deoxycytidine as a fluorescent probe

H Zhang, M Wang, Q Gao, H Qi, C Zhang - Talanta, 2011 - Elsevier
A novel fluorescent method for the detection of single nucleotide polymorphism (SNP) was
developed using a hairpin DNA containing nucleotide base analog pyrrolo-deoxycytidine (P …

Minimal thioflavin T modifications improve visual discrimination of guanine-quadruplex topologies and alter compound-induced topological structures

Y Kataoka, H Fujita, Y Kasahara, T Yoshihara… - Analytical …, 2014 - ACS Publications
We newly synthesized thioflavin T (ThT) analogs for which the methyl group at the N 3
position on the benzothiazole ring was replaced with either a ((p-(dimethylamino) benzoyl) …

Dimeric G-quadruplex: an efficient probe for ultrasensitive fluorescence detection of mustard compounds

X Ma, M Lv, F Du, C Wu, B Lou, AM Zeid… - Analytical …, 2022 - ACS Publications
Some mustard compounds (mustards) are highly toxic chemical warfare agents. Some are
explored as new anticancer drugs. Therefore, the fast, selective, and sensitive detection of …

Ratiometric Fluorescent Signaling of Small Molecule, Environmentally Sensitive Dye Conjugates for Detecting Single‐Base Mutations in DNA

C Wang, Y Sato, M Kudo, S Nishizawa… - Chemistry–A European …, 2012 - infona.pl
Bind it! A ratiometric fluorescent probe based on conjugation of a DNA‐binding ligand with
an environmentally sensitive dye to probe hydrophobic grooves of the DNA helix was …

Sequence-specific recognition of DNA minor groove by an NIR-fluorescence switch-on probe and its potential applications

N Narayanaswamy, S Das, PK Samanta… - Nucleic acids …, 2015 - academic.oup.com
In molecular biology, understanding the functional and structural aspects of DNA requires
sequence-specific DNA binding probes. Especially, sequence-specific fluorescence probes …