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Showing 1 to 12 of 39 entries
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Ruthenium Oxidase Catalysis for Site-Selective C-H Alkenylations with Ambient O2 as the Sole Oxidant.

Angewandte Chemie (International ed. in English)

Bechtoldt A, Tirler C, Raghuvanshi K, Warratz S, Kornhaaß C, Ackermann L.
PMID: 26489871
Angew Chem Int Ed Engl. 2016 Jan 04;55(1):264-7. doi: 10.1002/anie.201507801. Epub 2015 Oct 22.

Ruthenium(II) oxidase catalysis by direct dioxygen-coupled turnover enabled step-economical oxidative C-H alkenylation reactions at ambient pressure. Versatile ruthenium(II) biscarboxylate catalysts displayed ample substrate scope and proved applicable to weakly coordinating and removable directing groups. The twofold C-H functionalization strategy...

Wide Distribution of Foxicin Biosynthetic Gene Clusters in .

Frontiers in microbiology

Greule A, Marolt M, Deubel D, Peintner I, Zhang S, Jessen-Trefzer C, De Ford C, Burschel S, Li SM, Friedrich T, Merfort I, Lüdeke S, Bisel P, Müller M, Paululat T, Bechthold A.
PMID: 28270798
Front Microbiol. 2017 Feb 21;8:221. doi: 10.3389/fmicb.2017.00221. eCollection 2017.

No abstract available.

Bacillus cereus efflux protein BC3310 - a multidrug transporter of the unknown major facilitator family, UMF-2.

Frontiers in microbiology

Kroeger JK, Hassan K, Vörös A, Simm R, Saidijam M, Bettaney KE, Bechthold A, Paulsen IT, Henderson PJ, Kolstø AB.
PMID: 26528249
Front Microbiol. 2015 Oct 12;6:1063. doi: 10.3389/fmicb.2015.01063. eCollection 2015.

Phylogenetic classification divides the major facilitator superfamily (MFS) into 82 families, including 25 families that are comprised of transporters with no characterized functions. This study describes functional data for BC3310 from Bacillus cereus ATCC 14579, a member of the...

All optical quantum control of a spin-quantum state and ultrafast transduction into an electric current.

Scientific reports

Müller K, Kaldewey T, Ripszam R, Wildmann JS, Bechtold A, Bichler M, Koblmüller G, Abstreiter G, Finley JJ.
PMID: 23719615
Sci Rep. 2013;3:1906. doi: 10.1038/srep01906.

The ability to control and exploit quantum coherence and entanglement drives research across many fields ranging from ultra-cold quantum gases to spin systems in condensed matter. Transcending different physical systems, optical approaches have proven themselves to be particularly powerful,...

SimReg1 is a master switch for biosynthesis and export of simocyclinone D8 and its precursors.

AMB Express

Horbal L, Rebets Y, Rabyk M, Makitrynskyy R, Luzhetskyy A, Fedorenko V, Bechthold A.
PMID: 22214346
AMB Express. 2012 Jan 03;2(1):1. doi: 10.1186/2191-0855-2-1.

Analysis of the simocyclinone biosynthesis (sim) gene cluster of Streptomyces antibioticus Tü6040 led to the identification of a putative pathway specific regulatory gene simReg1. In silico analysis places the SimReg1 protein in the OmpR-PhoB subfamily of response regulators. Gene...

Ruthenium(II)-Catalyzed Decarboxylative C-H Activation: Versatile Routes to meta-Alkenylated Arenes.

Angewandte Chemie (International ed. in English)

Kumar NY, Bechtoldt A, Raghuvanshi K, Ackermann L.
PMID: 26996920
Angew Chem Int Ed Engl. 2016 Jun 06;55(24):6929-32. doi: 10.1002/anie.201600490. Epub 2016 Mar 21.

Ruthenium(II) bis(carboxylate)s proved highly effective for two decarboxylative C-H alkenylation strategies. The decarboxylation proceeded efficiently at rather low temperatures. The unique versatility of the decarboxylative ruthenium(II) catalysis is reflected in the oxidative olefinations with alkenes as well as the...

Biological Control of Potato Common Scab With Rare Isatropolone C Compound Produced by Plant Growth Promoting .

Frontiers in microbiology

Sarwar A, Latif Z, Zhang S, Zhu J, Zechel DL, Bechthold A.
PMID: 29899736
Front Microbiol. 2018 May 30;9:1126. doi: 10.3389/fmicb.2018.01126. eCollection 2018.

Potato is prone to many drastic diseases like potato common scab (CS). As no highly effective methods exist for managing CS, this study explored the possibility of using biological control. Ten bacterial strains were isolated from CS-infected potato tubers...

A Potential Biocontrol Agent .

Frontiers in microbiology

Sarwar A, Latif Z, Zhang S, Hao J, Bechthold A.
PMID: 30800116
Front Microbiol. 2019 Feb 08;10:202. doi: 10.3389/fmicb.2019.00202. eCollection 2019.

Potato common scab (PCS) is an economically important disease worldwide. In this study we demonstrated the possible role of

Specific induction of secondary product formation in transgenic plant cell cultures using an inducible promoter.

Plant cell reports

Sommer S, Siebert M, Bechthold A, Heide L.
PMID: 30736563
Plant Cell Rep. 1998 Aug;17(11):891-896. doi: 10.1007/s002990050504.

This paper describes the artificial induction of secondary metabolite production in transgenic plant cell cultures using a recombinant, inducible plant promoter. The bacterial gene ubiC from Escherichia coli encodes the enzyme chorismate pyruvate lyase (CPL) which catalyses the conversion...

The first example of a two-coordinated Au(I) atom bonded to an Fe(II) atom and an N-heterocyclic carbene (NHC) ligand.

Acta crystallographica. Section C, Structural chemistry

Bechtoldt A, Lerner HW, Bolte M.
PMID: 26044324
Acta Crystallogr C Struct Chem. 2015 Jun;71:448-51. doi: 10.1107/S205322961500892X. Epub 2015 May 13.

The aurophilicity exhibited by Au(I) complexes depends strongly on the nature of the supporting ligands present and the length of the Au-element (Au-E) bond may be used as a measure of the donor-acceptor properties of the coordinated ligands. A...

Coulomb Mediated Hybridization of Excitons in Coupled Quantum Dots.

Physical review letters

Ardelt PL, Gawarecki K, Müller K, Waeber AM, Bechtold A, Oberhofer K, Daniels JM, Klotz F, Bichler M, Kuhn T, Krenner HJ, Machnikowski P, Finley JJ.
PMID: 26943557
Phys Rev Lett. 2016 Feb 19;116(7):077401. doi: 10.1103/PhysRevLett.116.077401. Epub 2016 Feb 19.

We report Coulomb mediated hybridization of excitonic states in optically active InGaAs quantum dot molecules. By probing the optical response of an individual quantum dot molecule as a function of the static electric field applied along the molecular axis,...

Integration of various dimensions in food-based dietary guidelines via mathematical approaches: report of a DGE/FENS Workshop in Bonn, Germany, 23-24 September 2019.

The British journal of nutrition

Schäfer AC, Schmidt A, Bechthold A, Boeing H, Watzl B, Darmon N, Devleesschauwer B, Heckelei T, Pires SM, Nadaud P, van Dooren C, Vieux F.
PMID: 33272337
Br J Nutr. 2021 Sep 28;126(6):942-949. doi: 10.1017/S0007114520004857. Epub 2020 Dec 04.

In the past, food-based dietary guidelines (FBDGs) were derived nearly exclusively by using systematic reviews on diet-health relationships and translating dietary reference values for nutrient intake into foods. This approach neglects many other implications that dietary recommendations have on...

Showing 1 to 12 of 39 entries