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Showing 1 to 12 of 66 entries
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Enzyme-Compatible Dynamic Nanoreactors from Electrostatically Bridged Like-Charged Surfactants and Polyelectrolytes.

Angewandte Chemie (International ed. in English)

Thiele MJ, Davari MD, Hofmann I, König M, Lopez CG, Vojcic L, Richtering W, Schwaneberg U, Tsarkova LA.
PMID: 29889346
Angew Chem Int Ed Engl. 2018 Jul 20;57(30):9402-9407. doi: 10.1002/anie.201805021. Epub 2018 Jul 02.

Reported is an unanticipated mechanism of attractive electrostatic interactions of fully neutralized polyacrylic acid (PAA) with like-charged surfactants. Amphiphilic polymer-surfactant complexes with high interfacial activity and a solubilization capacity exceeding that of conventional micelles are formed by bridging with...

KnowVolution Campaign of an Aryl Sulfotransferase Increases Activity toward Cellobiose.

Chemistry (Weinheim an der Bergstrasse, Germany)

Islam S, Laaf D, Infanzón B, Pelantová H, Davari MD, Jakob F, Křen V, Elling L, Schwaneberg U.
PMID: 30153352
Chemistry. 2018 Nov 16;24(64):17117-17124. doi: 10.1002/chem.201803729. Epub 2018 Oct 24.

Sulfated polysaccharides such as cellulose can mimic the functionalities of pathophysiologically important glycosaminoglycans. Enzymatic sulfation offers a green chemistry route to selective (mono)sulfation of oligosaccharides (e.g., cellobiose as a building block of cellulose) in aqueous solution, at ambient temperature,...

Notch1 signaling promotes neuro-ectodermal differentiation of embryonic stem cells via the Notch target gene Sox9.

Journal of stem cells & regenerative medicine

Martini S, Schwanbeck R, Main H, Lendahl U, Just U.
PMID: 24693106
J Stem Cells Regen Med. 2010 Oct 23;6(2):88. eCollection 2010.

No abstract available.

CaLB Catalyzed Conversion of ε-Caprolactone in Aqueous Medium. Part 1: Immobilization of CaLB to Microgels.

Polymers

Engel S, Höck H, Bocola M, Keul H, Schwaneberg U, Möller M.
PMID: 30974648
Polymers (Basel). 2016 Oct 19;8(10). doi: 10.3390/polym8100372.

The enzymatic ring-opening polymerization of lactones is a method of increasing interest for the synthesis of biodegradable and biocompatible polymers. In the past it was shown that immobilization of

Frontiers in microbiology

Schwanbeck J, Oehmig I, Groß U, Zautner AE, Bohne W.
PMID: 34367119
Front Microbiol. 2021 Jul 21;12:715220. doi: 10.3389/fmicb.2021.715220. eCollection 2021.

Flagellar motility is important for the pathogenesis of many intestinal pathogens, allowing bacteria to move to their preferred ecological niche.

Understanding substrate binding and the role of gatekeeping residues in PigC access tunnels.

Chemical communications (Cambridge, England)

Brands S, Sikkens JG, Davari MD, Brass HUC, Klein AS, Pietruszka J, Ruff AJ, Schwaneberg U.
PMID: 33595019
Chem Commun (Camb). 2021 Mar 11;57(21):2681-2684. doi: 10.1039/d0cc08226k.

Semi-rational redesign of the substrate binding pocket and access tunnels of prodigiosin ligase PigC enhanced the catalytic efficiency in the synthesis of pyrrolic anti-cancer agents more than 45 times. A molecular understanding was gained on residues V333 and T334...

Detection of a New Resistance-Mediating Plasmid Chimera in a .

Microorganisms

Schwanbeck J, Bohne W, Hasdemir U, Groß U, Pfeifer Y, Bunk B, Riedel T, Spröer C, Overmann J, Frickmann H, Zautner AE.
PMID: 33807212
Microorganisms. 2021 Mar 31;9(4). doi: 10.3390/microorganisms9040720.

Mobile genetic elements, such as plasmids, facilitate the spread of antibiotic resistance genes in Enterobacterales. In line with this, we investigated the plasmid-resistome of seven

Unraveling the Mechanism and Kinetics of Binding of an LCI-eGFP-Polymer for Antifouling Coatings.

Macromolecular bioscience

Söder D, Garay-Sarmiento M, Rahimi K, Obstals F, Dedisch S, Haraszti T, Davari MD, Jakob F, Heß C, Schwaneberg U, Rodriguez-Emmenegger C.
PMID: 34145970
Macromol Biosci. 2021 Sep;21(9):e2100158. doi: 10.1002/mabi.202100158. Epub 2021 Jun 18.

The ability of proteins to adsorb irreversibly onto surfaces opens new possibilities to functionalize biological interfaces. Herein, the mechanism and kinetics of adsorption of protein-polymer macromolecules with the ability to equip surfaces with antifouling properties are investigated. These macromolecules...

Using Molecular Simulation to Guide Protein Engineering for Biocatalysis in Organic Solvents.

Methods in molecular biology (Clifton, N.J.)

Cui H, Vedder M, Schwaneberg U, Davari MD.
PMID: 34813065
Methods Mol Biol. 2022;2397:179-202. doi: 10.1007/978-1-0716-1826-4_10.

Biocatalysis in organic solvents (OSs) is very appealing for the industry in producing bulk and/or fine chemicals, such as pharmaceuticals, biodiesel, and fragrances. The poor performance of enzymes in OSs (e.g., reduced activity, insufficient stability, and deactivation) negates OSs'...

Phytase blends for enhanced phosphorous mobilization of deoiled seeds.

Enzyme and microbial technology

Infanzón B, Herrmann KR, Hofmann I, Willbold S, Ruff AJ, Schwaneberg U.
PMID: 34847439
Enzyme Microb Technol. 2022 Jan;153:109953. doi: 10.1016/j.enzmictec.2021.109953. Epub 2021 Nov 23.

Phytases are hydrolytic enzymes capable of a stepwise phosphate release from phytate which is the main phosphorous storage in seeds, cereals and legumes. Limitations such as low enzyme activity or incomplete phytate hydrolysis to inositol are a great challenge...

Aqueous ionic liquids redistribute local enzyme stability via long-range perturbation pathways.

Computational and structural biotechnology journal

El Harrar T, Frieg B, Davari MD, Jaeger KE, Schwaneberg U, Gohlke H.
PMID: 34429845
Comput Struct Biotechnol J. 2021 Jul 08;19:4248-4264. doi: 10.1016/j.csbj.2021.07.001. eCollection 2021.

Ionic liquids (IL) and aqueous ionic liquids (aIL) are attractive (co-)solvents for biocatalysis due to their unique properties. On the other hand, the incubation of enzymes in IL or aIL often reduces enzyme activity. Recent studies proposed various aIL-induced...

Computer-Assisted Recombination (CompassR) Teaches us How to Recombine Beneficial Substitutions from Directed Evolution Campaigns.

Chemistry (Weinheim an der Bergstrasse, Germany)

Cui H, Cao H, Cai H, Jaeger KE, Davari MD, Schwaneberg U.
PMID: 31553080
Chemistry. 2020 Jan 13;26(3):643-649. doi: 10.1002/chem.201903994. Epub 2019 Dec 03.

A main remaining challenge in protein engineering is how to recombine beneficial substitutions. Systematic recombination studies show that poorly performing variants are usually obtained after recombination of 3 to 4 beneficial substitutions. This limits researchers in exploiting nature's potential...

Showing 1 to 12 of 66 entries