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@article{1748058,
author = {Špaček, Jan and Fojta, Miroslav},
article_location = {OXFORD},
article_number = {DEC},
doi = {http://dx.doi.org/10.1016/j.electacta.2020.137298},
keywords = {Electrochemistry; Semi-synthetic organism; Unnatural base pair; Catalytic hydrogen evolution; Mercury electrode},
language = {eng},
issn = {0013-4686},
journal = {Electrochimica Acta},
title = {Electroanalysis of unnatural base pair content in plasmid DNA generated in a semi-synthetic organism},
url = {https://www.sciencedirect.com/science/article/pii/S0013468620316911?via%3Dihub},
volume = {364},
year = {2020}
}
TY - JOUR
ID - 1748058
AU - Špaček, Jan - Fojta, Miroslav
PY - 2020
TI - Electroanalysis of unnatural base pair content in plasmid DNA generated in a semi-synthetic organism
JF - Electrochimica Acta
VL - 364
IS - DEC
SP - 137298
EP - 137298
PB - Elsevier
SN - 00134686
KW - Electrochemistry
KW - Semi-synthetic organism
KW - Unnatural base pair
KW - Catalytic hydrogen evolution
KW - Mercury electrode
UR - https://www.sciencedirect.com/science/article/pii/S0013468620316911?via%3Dihub
N2 - While standard Watson-Crick base pairing normally involves hydrogen bonds that join size complemen-tary nitrogenous heterocycles, certain unnatural base pairs (UBP) can support replication, transcription, and translation, including these in semi-synthetic organisms (SSO), using size complementarity alone. In this paper we show that the UBPs can be analyzed electrochemically as components of riboor 2'-deoxyribonucleosides, corresponding (2'-deoxy)triphosphates, as well as incorporated into DNA. Here, performance of the electrochemical methods profits from the ability of the unnatural bases 5SICS and TPT3 adsorbed at the surface of a mercury electrode to catalyze hydrogen evolution in acidic media. This allows semi-quantitative detection of single UBP within plasmid DNA generated in a SSO. This electrochemical approach provides new way for direct, fast, and low cost UBP analysis and can supplement or replace currently used methods of UBP detection. (C) 2020 Elsevier Ltd. All rights reserved.
ER -
ŠPAČEK, Jan and Miroslav FOJTA. Electroanalysis of unnatural base pair content in plasmid DNA generated in a semi-synthetic organism. \textit{Electrochimica Acta}. OXFORD: Elsevier, 2020, vol.~364, DEC, p.~137298-137306. ISSN~0013-4686. Available from: https://dx.doi.org/10.1016/j.electacta.2020.137298.
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