Results 101 to 110 of about 1,920,958 (265)

Low-energy electron-driven functionalization of benzene–water ices to phenol

Astronomy & Astrophysics
Low-energy electrons abundantly generated by galactic cosmic radiation are expected to play a central role in the radiation chemistry of interstellar and cometary ices, yet their capacity to drive specific bond-forming reactions in simple aromatic ...
Abdoul-Carime H., Ogden E., Biennier L., Carles S., Rabilloud F.   +4 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

Quantum mechanical atomistic investigation of the hydrogen addition to carbon monosulfide on interstellar water ice

Astronomy & Astrophysics
Aims. The successive hydrogenation of carbon monosulfide (CS) on the surfaces of interstellar icy grains is regarded as a highly efficient mechanism to generate thioformaldehyde (H2CS) and methanethiol or methyl mercaptan (CH3SH) in the interstellar ...
Di Genova Gabriella, Pareras Gerard, Dominguez-Dalmases Christian, Balucani Nadia, Ceccarelli Cecilia, Rimola Albert   +5 more
doaj   +1 more source

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

FEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui, Agnes Banreti, Armelle L. Ernst, Guillaume Leseigneur, Uwe J. Meierhenrich   +4 more
wiley   +1 more source

Searching for the elusive CH2+ with the James Webb Space Telescope

Astronomy & Astrophysics
Context. Carbocations are key species in interstellar chemistry, providing entry points for building larger hydrocarbons. CH+, and more recently, CH3+, have been detected.
Zannese M., Coudert L. H., Dartois E., Dell’Ova P., Roncero O., del Mazo-Sevillano P., Jacovella U., Gans B., Goicoechea J. R., Van De Putte D., Boersma C., Habart E., Peeters E., Cami J., Chown R., Schroetter I., Kannavou O.   +16 more
doaj   +1 more source

Cereal Germination under Low Oxygen: Molecular Processes. [PDF]

Plants (Basel), 2022
Gómez-Álvarez EM, Pucciariello C.
europepmc   +1 more source

Prospecting the protein design landscape

FEBS Letters, EarlyView.
This review outlines the current state of various protein design approaches. We discuss the current possibilities enabled by recently released tools, highlight future avenues to pursue in protein design, and underscore the crucial role of key databases and resources for successful protein design workflows.
Jakob R. Riccabona, Katharina T. Stonig, Jens Meiler, Clara T. Schoeder, Monica L. Fernández‐Quintero   +4 more
wiley   +1 more source

Formation scenarios of dense starless cores from their ice composition

Astronomy & Astrophysics
Context. Dense, dark, starless cores of molecular clouds form in large-scale processes. The evolution of physical conditions in forming dense cores is often regulated by external phenomena and cannot be easily reproduced with models considering only the ...
Kalvāns Juris
doaj   +1 more source

The Abundant Phytocannabinoids in Rheumatoid Arthritis: Therapeutic Targets and Molecular Processes Identified Using Integrated Bioinformatics and Network Pharmacology. [PDF]

Life (Basel), 2023
Nandi A, Das A, Dey YN, Roy KK.
europepmc   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

FEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil, Jeffrey A. Hawkes, Cecilia Blikstad, Pia Lindberg   +3 more
wiley   +1 more source