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G. Unden · SciRah

Researcher profile · Semantic Scholar

G. Unden

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G. Unden — researcher profile on SciRah

h-index: 47
Works: 169
Citations: 8,258

Most-cited papers

Stimulus Perception in Bacterial Signal-Transducing Histidine Kinases
T. Mascher, J. Helmann, G. Unden
2006Microbiology and Molecular Biology Reviews719 citations Open access
Semantic Scholar
Variations in the energy metabolism of biotechnologically relevant heterofermentative lactic acid bacteria during growth on sugars and organic acids
Tanja Zaunmüller, M. Eichert, H. Richter, G. Unden
2006Applied Microbiology and Biotechnology239 citations
Semantic Scholar
Biology of Microorganisms on Grapes, in Must and in Wine
H. König, G. Unden, J. Fröhlich
2017Cambridge International Law Journal206 citations
Semantic Scholar
Regulation of type 1 fimbriae synthesis and biofilm formation by the transcriptional regulator LrhA of Escherichia coli.
C. Blumer, Alexandra Kleefeld, Daniela Lehnen, M. Heintz +8 more
2005Microbiology126 citations Open access
Semantic Scholar
The Aerobic and Anaerobic Respiratory Chain of Escherichia coli and Salmonella enterica: Enzymes and Energetics
G. Unden, Pia Dünnwald
2008EcoSal Plus102 citations
Semantic Scholar
Thiosulfate Reduction in Salmonella enterica Is Driven by the Proton Motive Force
L. Stoffels, M. Krehenbrink, B. Berks, G. Unden
2011Journal of Bacteriology90 citations Open access
Semantic Scholar
Plasticity of the PAS domain and a potential role for signal transduction in the histidine kinase DcuS
M. Etzkorn, H. Kneuper, Pia Dünnwald, V. Vijayan +5 more
2008Nature Structural &Molecular Biology85 citations
Semantic Scholar
The specific functions of menaquinone and demethylmenaquinone in anaerobic respiration with fumarate, dimethylsulfoxide, trimethylamine N-oxide and nitrate by Escherichia coli
U. Wissenbach, A. Kröger, G. Unden
2004Archives of Microbiology76 citations
Semantic Scholar
C4-Dicarboxylate Utilization in Aerobic and Anaerobic Growth
G. Unden, Alexander Strecker, Alexandra Kleefeld, Ok Bin Kim
2016EcoSal Plus67 citations Open access
Semantic Scholar
An Escherichia coli mutant containing only demethylmenaquinone, but no menaquinone: effects on fumarate, dimethylsulfoxide, trimethylamine N-oxide and nitrate respiration
U. Wissenbach, D. Ternes, G. Unden
2004Archives of Microbiology67 citations
Semantic Scholar
The Fumarate/Succinate Antiporter DcuB of Escherichia coli Is a Bifunctional Protein with Sites for Regulation of DcuS-dependent Gene Expression*
Alexandra Kleefeld, B. Ackermann, J. Bauer, Jens Krämer +1 more
2009Journal of Biological Chemistry63 citations Open access
Semantic Scholar
The Nature of the Stimulus and of the Fumarate Binding Site of the Fumarate Sensor DcuS of Escherichia coli*
H. Kneuper, Ingo G. Janausch, V. Vijayan, M. Zweckstetter +3 more
2005Journal of Biological Chemistry62 citations Open access
Semantic Scholar
Staphylococcal NreB: an O2‐sensing histidine protein kinase with an O2‐labile iron–sulphur cluster of the FNR type
A. Kamps, S. Achebach, Iris Fedtke, G. Unden +1 more
2004Molecular Microbiology61 citations Open access
Semantic Scholar
Differential roles for menaquinone and demethylmenaquinone in anaerobic electron transport of E. coli and their fnr-independent expression
G. Unden
2004Archives of Microbiology56 citations
Semantic Scholar
The NreA protein functions as a nitrate receptor in the staphylococcal nitrate regulation system.
V. Niemann, M. Koch-Singenstreu, A. Neu, Stephanie Nilkens +3 more
2014Journal of Molecular Biology53 citations
Semantic Scholar
A PAS domain with an oxygen labile [4Fe-4S](2+) cluster in the oxygen sensor kinase NreB of Staphylococcus carnosus.
Martin Müllner, Oliver Hammel, Bernd Mienert, Steffen Schlag +2 more
2008Biochemistry52 citations
Semantic Scholar
C4-Dicarboxylate Degradation in Aerobic and Anaerobic Growth
G. Unden, Alexandra Kleefeld
2004EcoSal Plus51 citations
Semantic Scholar
Pyruvate Fermentation by Oenococcus oeni and Leuconostoc mesenteroides and Role of Pyruvate Dehydrogenase in Anaerobic Fermentation
Nicole E. Wagner, Quang Hon Tran, H. Richter, P. Selzer +1 more
2005Applied and Environmental Microbiology50 citations Open access
Semantic Scholar
L‐Aspartate as a high‐quality nitrogen source in Escherichia coli: Regulation of L‐aspartase by the nitrogen regulatory system and interaction of L‐aspartase with GlnB
Christopher Schubert, Sandra Zedler, Alexander Strecker, G. Unden
2020Molecular Microbiology47 citations
Semantic Scholar
CitA/CitB Two-Component System Regulating Citrate Fermentation in Escherichia coli and Its Relation to the DcuS/DcuR System In Vivo
P. Scheu, Julian Witan, M. Rauschmeier, Sabrina Graf +5 more
2011Journal of Bacteriology46 citations Open access
Semantic Scholar
Succinate dehydrogenase functioning by a reverse redox loop mechanism and fumarate reductase in sulphate-reducing bacteria.
Tanja Zaunmüller, D. Kelly, F. Glöckner, G. Unden
2006Microbiology45 citations Open access
Semantic Scholar
Citrate Sensing by the C4-Dicarboxylate/Citrate Sensor Kinase DcuS of Escherichia coli: Binding Site and Conversion of DcuS to a C4-Dicarboxylate- or Citrate-Specific Sensor
Jens Krämer, Julia D. Fischer, E. Zientz, V. Vijayan +3 more
2007Journal of Bacteriology44 citations Open access
Semantic Scholar
Experimental evidence for proton motive force-dependent catalysis by the diheme-containing succinate:menaquinone oxidoreductase from the Gram-positive bacterium Bacillus licheniformis.
M. Madej, H. Nasiri, Nicole S Hilgendorff, H. Schwalbe +2 more
2006Biochemistry44 citations
Semantic Scholar
Menaquinone is an obligatory component of the chain catalyzing succinate respiration in Bacillus subtilis
E. Lemma, G. Unden, A. Kröger
2004Archives of Microbiology44 citations
Semantic Scholar
Interaction of the Escherichia coli transporter DctA with the sensor kinase DcuS: presence of functional DctA/DcuS sensor units
Julian Witan, J. Bauer, I. Wittig, P. A. Steinmetz +2 more
2012Molecular Microbiology42 citations Open access
Semantic Scholar
In Vitro Analysis of the Two-Component System MtrB-MtrA from Corynebacterium glutamicum
N. Möker, Jens Krämer, G. Unden, Reinhard Krämer +1 more
2007Journal of Bacteriology40 citations Open access
Semantic Scholar
The l-Tartrate/Succinate Antiporter TtdT (YgjE) of l-Tartrate Fermentation in Escherichia coli
Ok Bin Kim, G. Unden
2006Journal of Bacteriology40 citations Open access
Semantic Scholar
Use of the mannitol pathway in fructose fermentation of Oenococcus oeni due to limiting redox regeneration capacity of the ethanol pathway
H. Richter, I. Hamann, G. Unden
2003Archives of Microbiology39 citations
Semantic Scholar
Oligomeric Sensor Kinase DcuS in the Membrane of Escherichia coli and in Proteoliposomes: Chemical Cross-linking and FRET Spectroscopy
P. Scheu, Yun-Feng Liao, J. Bauer, H. Kneuper +3 more
2010Journal of Bacteriology37 citations Open access
Semantic Scholar
Phosphorylation and DNA binding of the regulator DcuR of the fumarate-responsive two-component system DcuSR of Escherichia coli.
Ingo G. Janausch, I. Garcia-Moreno, Daniela Lehnen, Y. Zeuner +1 more
2004Microbiology37 citations Open access
Semantic Scholar
Transmembrane signaling in the sensor kinase DcuS of Escherichia coli: A long-range piston-type displacement of transmembrane helix 2
C. Monzel, G. Unden
2015Proceedings of the National Academy of Sciences of the United States of America33 citations Open access
Semantic Scholar
C4-dicarboxylates and L-aspartate utilization by Escherichia coli K-12 in the mouse intestine: L-aspartate as a major substrate for fumarate respiration and as a nitrogen source.
Christopher Schubert, Maria G. Winter, Andrea Ebert-Jung, S. Kierszniowska +5 more
2021Environmental Microbiology31 citations Open access
Semantic Scholar
Nitrate/oxygen co‐sensing by an NreA/NreB sensor complex of Staphylococcus carnosus
Stephanie Nilkens, M. Koch-Singenstreu, V. Niemann, F. Götz +2 more
2014Molecular Microbiology31 citations Open access
Semantic Scholar
Sensing by the membrane-bound sensor kinase DcuS: exogenous versus endogenous sensing of C(4)-dicarboxylates in bacteria.
P. Scheu, Ok Bin Kim, C. Griesinger, G. Unden
2010Future Microbiology30 citations
Semantic Scholar
C4-Dicarboxylates as Growth Substrates and Signaling Molecules for Commensal and Pathogenic Enteric Bacteria in Mammalian Intestine
Christopher Schubert, G. Unden
2022Journal of Bacteriology29 citations Open access
Semantic Scholar
Stimulation of Fe–S cluster insertion into apoFNR by Escherichia coli glutaredoxins 1, 2 and 3 in vitro
S. Achebach, Quang Hon Tran, A. Vlamis-Gardikas, Martin Müllner +2 more
2004FEBS Letters29 citations Open access
Semantic Scholar
Differentiation of DctA and DcuS function in the DctA/DcuS sensor complex of Escherichia coli: function of DctA as an activity switch and of DcuS as the C4‐dicarboxylate sensor
P. A. Steinmetz, Sebastian Wörner, G. Unden
2014Molecular Microbiology28 citations
Semantic Scholar
Reduced Apo-Fumarate Nitrate Reductase Regulator (ApoFNR) as the Major Form of FNR in Aerobically Growing Escherichia coli
F. Reinhart, S. Achebach, T. Koch, G. Unden
2007Journal of Bacteriology27 citations Open access
Semantic Scholar
Properties and significance of apoFNR as a second form of air‐inactivated [4Fe‐4S]·FNR of Escherichia coli
S. Achebach, T. Selmer, G. Unden
2005The FEBS Journal27 citations Open access
Semantic Scholar
Sensory domain contraction in histidine kinase CitA triggers transmembrane signaling in the membrane-bound sensor
Michele Salvi, Benjamin Schomburg, K. Giller, Sabrina Graf +4 more
2017Proceedings of the National Academy of Sciences of the United States of America26 citations Open access
Semantic Scholar
Significance of phosphoglucose isomerase for the shift between heterolactic and mannitol fermentation of fructose by Oenococcus oeni
H. Richter, A. D. de Graaf, I. Hamann, G. Unden
2003Archives of Microbiology26 citations
Semantic Scholar
Oxygen-dependent regulation of c-di-GMP synthesis by SadC controls alginate production in Pseudomonas aeruginosa.
A. Schmidt, A. Hammerbacher, M. Bastian, K. J. Nieken +14 more
2016Environmental Microbiology25 citations
Semantic Scholar
Regulation of Aerobic and Anaerobic d-Malate Metabolism of Escherichia coli by the LysR-Type Regulator DmlR (YeaT)
Hanna Lukas, J. Reimann, Ok Bin Kim, Jan Grimpo +1 more
2010Journal of Bacteriology24 citations Open access
Semantic Scholar
Bacterial sensor kinases using Fe-S cluster binding PAS or GAF domains for O2 sensing.
G. Unden, Stephanie Nilkens, Mareike Singenstreu
2013Dalton Transactions23 citations
Semantic Scholar
Regulation of tartrate metabolism by TtdR and relation to the DcuS-DcuR-regulated C4-dicarboxylate metabolism of Escherichia coli.
Ok Bin Kim, J. Reimann, Hanna Lukas, U. Schumacher +3 more
2009Microbiology23 citations Open access
Semantic Scholar
Polar accumulation of the metabolic sensory histidine kinases DcuS and CitA in Escherichia coli.
P. Scheu, Sven Sdorra, Yun-Feng Liao, M. Wegner +3 more
2008Microbiology23 citations Open access
Semantic Scholar
Anaerobic growth of Escherichia coli on d-tartrate depends on the fumarate carrier DcuB and fumarase, rather than the l-tartrate carrier TtdT and l-tartrate dehydratase
Ok Bin Kim, S. Lux, G. Unden
2007Archives of Microbiology23 citations
Semantic Scholar
DcuA of aerobically grown Escherichia coli serves as a nitrogen shuttle (L‐aspartate/fumarate) for nitrogen uptake
Alexander Strecker, Christopher Schubert, Sandra Zedler, P. A. Steinmetz +1 more
2018Molecular Microbiology22 citations
Semantic Scholar
The Sensor Kinase DctS Forms a Tripartite Sensor Unit with DctB and DctA for Sensing C4-Dicarboxylates in Bacillus subtilis
Sabrina Graf, D. Schmieden, Karolin Tschauner, S. Hunke +1 more
2013Journal of Bacteriology22 citations Open access
Semantic Scholar
The sensor kinase DcuS of Escherichia coli: two stimulus input sites and a merged signal pathway in the DctA/DcuS sensor unit
Julian Witan, C. Monzel, P. Scheu, G. Unden
2012Biological chemistry19 citations
Semantic Scholar

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