Multi‐Site Conformational Exchange in the Synthetic Neomycin‐Sensing Riboswitch Studied by 19F NMR

JH Overbeck, J Vögele, F Nussbaumer… - Angewandte Chemie …, 2023 - Wiley Online Library
The synthetic neomycin‐sensing riboswitch interacts with its cognate ligand neomycin as
well as with the related antibiotics ribostamycin and paromomycin. Binding of these …

NMR Chemical Exchange Measurements Reveal That N6-Methyladenosine Slows RNA Annealing

H Shi, B Liu, F Nussbaumer… - Journal of the …, 2019 - ACS Publications
N 6 -Methyladenosine (m 6 A) is an abundant epitranscriptomic modification that plays important
roles in many aspects of RNA metabolism. While m 6 A is thought to mainly function by …

Excited states of nucleic acids probed by proton relaxation dispersion NMR spectroscopy

MA Juen, CH Wunderlich, F Nußbaumer… - Angewandte …, 2016 - Wiley Online Library
In this work an improved stable isotope labeling protocol for nucleic acids is introduced. The
novel building blocks eliminate/minimize homonuclear 13 C and 1 H scalar couplings thus …

[HTML][HTML] A quantitative model predicts how m6A reshapes the kinetic landscape of nucleic acid hybridization and conformational transitions

B Liu, H Shi, A Rangadurai, F Nussbaumer… - Nature …, 2021 - nature.com
N 6 -methyladenosine (m 6 A) is a post-transcriptional modification that controls gene expression
by recruiting proteins to RNA sites. The modification also slows biochemical processes …

[HTML][HTML] Eukaryotic translation elongation is modulated by single natural nucleotide derivatives in the coding sequences of mRNAs

…, D Heimdörfer, D Köstner, K Faserl, F Nußbaumer… - Genes, 2019 - mdpi.com
RNA modifications are crucial factors for efficient protein synthesis. All classes of RNAs that
are involved in translation are modified to different extents. Recently, mRNA modifications …

Aromatic 19F–13C TROSY—[19F, 13C]‐Pyrimidine Labeling for NMR Spectroscopy of RNA

F Nußbaumer, R Plangger, M Roeck… - Angewandte Chemie …, 2020 - Wiley Online Library
We present the access to [5‐ 19 F, 5‐ 13 C]‐uridine and ‐cytidine phosphoramidites for the
production of site‐specifically modified RNAs up to 65 nucleotides (nts). The amidites were …

Probing the hydrogen-bonding environment of individual bases in DNA duplexes with isotope-edited infrared spectroscopy

RJ Fick, AY Liu, F Nussbaumer, C Kreutz… - The Journal of …, 2021 - ACS Publications
Measuring the strength of the hydrogen bonds between DNA base pairs is of vital importance
for understanding how our genetic code is physically accessed and recognized in cells, …

[HTML][HTML] Studying sparsely populated conformational states in RNA combining chemical synthesis and solution NMR spectroscopy

E Strebitzer, F Nußbaumer, J Kremser, M Tollinger… - Methods, 2018 - Elsevier
Using chemical synthesis and solution NMR spectroscopy, RNA structural ensembles
including a major ground state and minor populated excited states can be studied at atomic …

Structural elucidation of mixed carrageenan gels using rheometry

F Wurm, F Nussbaumer, T Pham, T Bechtold - Food hydrocolloids, 2019 - Elsevier
The rheology of mixed carrageenan gels was investigated at 15 mM calcium, 50 mM potassium
and 20 mM sodium concentration. Used carrageenans were of ι-, κ- and Furcellaran-type …

Branch site bulge conformations in domain 6 determine functional sugar puckers in group II intron splicing

…, MA Juen, TP Hoernes, F Nußbaumer… - Nucleic Acids …, 2019 - academic.oup.com
Although group II intron ribozymes are intensively studied the question how structural dynamics
affects splicing catalysis has remained elusive. We report for the first time that the group …