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@PHDTHESIS{Schilcher:822040,
author = {Schilcher, Felix Maximilian},
othercontributors = {Weinhold, Elmar and Wöll, Dominik},
title = {{B}arcoding von genomischer {DNA} und {A}nwendung im
{B}ereich des {DNA}-{M}appings},
school = {RWTH Aachen University},
type = {Dissertation},
address = {Aachen},
publisher = {RWTH Aachen University},
reportid = {RWTH-2021-06512},
pages = {1 Online-Ressource : Illustrationen},
year = {2021},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University; Dissertation, RWTH Aachen University, 2021},
abstract = {In the course of this work, the sequence specific
modification of DNA using methyltransferase-directed
Transfer of Activated Groups (mTAG) was further developed.
One focus of this work was the synthesis of analogs of the
natural cofactor of DNA methyltransferases (DNA-MTases)
AdoMet. This includes AdoMet analogs for the transfer of
reactive as well as fluorescent and sterically demanding
groups. The latter includes analogs with
oligodeoxynucleotide modifications. In addition, the
enzymatic activity of the new AdoMet analogs was studied
using the DNA-MTases M.TaqI and M.BseCI. Compared to that of
reactive and fluorescent AdoMet analogs, the activity of
ODN-modified AdoMet analogs was generally lower and differed
greatly from one another. EMSA experiments were used to show
the influence of the sterically demanding modification on
electrophoretic mobility of modified DNA-fragments. On this
basis, one-step modification reactions were performed using
the newly developed AdoMet analogs. The modified DNA was
then analyzed using different methods, either optically or
electronically. This includes analysis using the so called
C-Trap as well as nanopores, which were carried out
externally by cooperation partners, as well as the analysis
of stretched and immobilized DNA using fluorescence
microscopy. Another focus of this work was the experimental
development of DNA modification using the mTAG method. On
one hand, new specificities were introduced implementing a
newly developed labelling strategy called DNA-blocking. On
the other hand, the mTAG method was extended to genomic DNA
embedded in agarose plugs. Finally, standardized
computational analysis routines were developed, which were
then used to automate the analysis of the fluorescence
microscopy of stretched and immobilized DNA to determine and
compare the quality of different modification experiments on
the basis of key figures.},
cin = {152620 / 150000},
ddc = {540},
cid = {$I:(DE-82)152620_20140620$ / $I:(DE-82)150000_20140620$},
typ = {PUB:(DE-HGF)11},
doi = {10.18154/RWTH-2021-06512},
url = {https://publications.rwth-aachen.de/record/822040},
}