Search Results - "Sponer, Judit"

Geometrical and Electronic Structure Variability of the Sugar−phosphate Backbone in Nucleic Acids by Svozil, Daniel, Šponer, Judit E, Marchan, Ivan, Pérez, Alberto, Cheatham, Thomas E, Forti, F, Luque, F. Javier, Orozco, Modesto, Šponer, Jiří

“…The anionic sugar−phosphate backbone of nucleic acids substantially contributes to their structural flexibility. To model nucleic acid structure and dynamics…”
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High-energy chemistry of formamide: A unified mechanism of nucleobase formation by Ferus, Martin, Nesvorný, David, Šponer, Jiří, Kubelík, Petr, Michalčíková, Regina, Shestivská, Violetta, Šponer, Judit E., Civiš, Svatopluk

“…The coincidence of the Late Heavy Bombardment (LHB) period and the emergence of terrestrial life about 4 billion years ago suggest that extraterrestrial…”
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High-Energy Chemistry of Formamide: A Simpler Way for Nucleobase Formation by Ferus, Martin, Michalčíková, Regina, Shestivská, Violetta, Šponer, Jiří, Šponer, Judit E, Civiš, Svatopluk

“…The formation of nucleobases from formamide during a high-energy density event, i.e., the impact of an extraterrestrial body into the planetary atmosphere, was…”
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A prebiotically plausible synthesis of pyrimidine β-ribonucleosides and their phosphate derivatives involving photoanomerization by Xu, Jianfeng, Tsanakopoulou, Maria, Magnani, Christopher J., Szabla, Rafał, Šponer, Judit E., Šponer, Jiří, Góra, Robert W., Sutherland, John D.

“…Previous research has identified ribose aminooxazoline as a potential intermediate in the prebiotic synthesis of the pyrimidine nucleotides with remarkable…”
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Emergence of the First Catalytic Oligonucleotides in a Formamide-Based Origin Scenario by Šponer, Judit E., Šponer, Jiří, Nováková, Olga, Brabec, Viktor, Šedo, Ondrej, Zdráhal, Zbyněk, Costanzo, Giovanna, Pino, Samanta, Saladino, Raffaele, Di Mauro, Ernesto

“…50 years after the historical Miller–Urey experiment, the formamide‐based scenario is perhaps the most powerful concurrent hypothesis for the origin of life on…”
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Formic Acid, a Ubiquitous but Overlooked Component of the Early Earth Atmosphere by Mohammadi, Elmira, Petera, Lukáš, Saeidfirozeh, Homa, Knížek, Antonín, Kubelík, Petr, Dudžák, Roman, Krůs, Miroslav, Juha, Libor, Civiš, Svatopluk, Coulon, Rémi, Malina, Ondřej, Ugolotti, Juri, Ranc, Václav, Otyepka, Michal, Šponer, Jiří, Ferus, Martin, Šponer, Judit E.

“…Terrestrial volcanism has been one of the dominant geological forces shaping our planet since its earliest existence. Its associated phenomena, like…”
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Electrofreezing of Liquid Ammonia by Cassone, Giuseppe, Sponer, Jiri, Sponer, Judit E., Saija, Franz

“…Here we prove that, in addition to temperature and pressure, another important thermodynamic variable permits the exploration of the phase diagram of ammonia:…”
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Prebiotic synthesis of nucleic acids and their building blocks at the atomic level - merging models and mechanisms from advanced computations and experiments by Šponer, Judit E, Szabla, Rafał, Góra, Robert W, Saitta, A Marco, Pietrucci, Fabio, Saija, Franz, Di Mauro, Ernesto, Saladino, Raffaele, Ferus, Martin, Civiš, Svatopluk, Šponer, Jiří

“…The origin of life on Earth is one of the most fascinating questions of contemporary science. Extensive research in the past decades furnished diverse…”
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Non-Enzymatic Oligomerization of 3', 5' Cyclic AMP by Costanzo, Giovanna, Pino, Samanta, Timperio, Anna Maria, Šponer, Judit E, Šponer, Jiří, Nováková, Olga, Šedo, Ondrej, Zdráhal, Zbyněk, Di Mauro, Ernesto

“…Recent studies illustrate that short oligonucleotide sequences can be easily produced from nucleotide precursors in a template-free non-enzymatic way under…”
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Nature and magnitude of aromatic base stacking in DNA and RNA: Quantum chemistry, molecular mechanics, and experiment by Šponer, Jiří, Šponer, Judit E., Mládek, Arnošt, Jurečka, Petr, Banáš, Pavel, Otyepka, Michal

“…ABSTRACT Base stacking is a major interaction shaping up and stabilizing nucleic acids. During the last decades, base stacking has been extensively studied by…”
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High‐Energy Proton‐Beam‐Induced Polymerization/Oxygenation of Hydroxynaphthalenes on Meteorites and Nitrogen Transfer from Urea: Modeling Insoluble Organic Matter? by Bizzarri, Bruno Mattia, Manini, Paola, Lino, Valeria, d'Ischia, Marco, Kapralov, Michail, Krasavin, Eugene, Mráziková, Klaudia, Šponer, Jiří, Šponer, Judit E., Di Mauro, Ernesto, Saladino, Raffaele

“…Formation and structural modification of oxygenated polycyclic aromatic hydrocarbons (oxyPAHs) by UV irradiation on minerals have recently been proposed as a…”
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Classification and energetics of the base-phosphate interactions in RNA by Zirbel, Craig L., Šponer, Judit E., Šponer, Jiri, Stombaugh, Jesse, Leontis, Neocles B.

“…Structured RNA molecules form complex 3D architectures stabilized by multiple interactions involving the nucleotide base, sugar and phosphate moieties. A…”
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Formamide-Based Prebiotic Synthesis of Nucleobases: A Kinetically Accessible Reaction Route by Sponer, Judit E, Mladek, Arnost, Sponer, Jiri, Fuentes-Cabrera, Miguel

“…Synthesis of nucleobases in nonaqueous environments is an alternative way for the emergence of terrestrial life, which could solve the fundamental problem…”
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TiO2-catalyzed synthesis of sugars from formaldehyde in extraterrestrial impacts on the early Earth by Civiš, Svatopluk, Szabla, Rafał, Szyja, Bartłomiej M., Smykowski, Daniel, Ivanek, Ondřej, Knížek, Antonín, Kubelík, Petr, Šponer, Jiří, Ferus, Martin, Šponer, Judit E.

“…Recent synthetic efforts aimed at reconstructing the beginning of life on our planet point at the plausibility of scenarios fueled by extraterrestrial energy…”
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Stability of 2',3' and 3',5' cyclic nucleotides in formamide and in water: a theoretical insight into the factors controlling the accumulation of nucleic acid building blocks in a prebiotic pool by Cassone, Giuseppe, Šponer, Jiří, Saija, Franz, Di Mauro, Ernesto, Marco Saitta, A, Šponer, Judit E

“…Synthesis of the first RNAs represents one of the cornerstones of the emergence of life. Recent studies demonstrated powerful scenarios of prebiotic synthesis…”
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Rewarming the Primordial Soup: Revisitations and Rediscoveries in Prebiotic Chemistry by Saladino, Raffaele, Šponer, Judit E., Šponer, Jiří, Di Mauro, Ernesto

“…A short history of Campbell's primordial soup: In this essay we try to disclose some of the historical connections between the studies that have contributed to…”
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Atomistic simulations of the free-energy landscapes of interstellar chemical reactions: the case of methyl isocyanate by Cassone, Giuseppe, Saija, Franz, Sponer, Jiri, Sponer, Judit E, Jiménez-Escobar, Antonio, Ciaravella, Angela, Cecchi-Pestellini, Cesare

“…ABSTRACT Although complex organic molecules are observed in a wide variety of environments, chemical reaction networks heading to their formation are higly…”
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Chemical Shifts in Nucleic Acids Studied by Density Functional Theory Calculations and Comparison with Experiment by Fonville, Judith M., Swart, Marcel, Vokáčová, Zuzana, Sychrovský, Vladimír, Šponer, Judit E., Šponer, Jiří, Hilbers, Cornelis W., Bickelhaupt, F. Matthias, Wijmenga, Sybren S.

“…NMR chemical shifts are highly sensitive probes of local molecular conformation and environment and form an important source of structural information. In this…”
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Nonenzymatic Oligomerization of 3′,5′‐Cyclic CMP Induced by Proton and UV Irradiation Hints at a Nonfastidious Origin of RNA by Costanzo, Giovanna, Giorgi, Alessandra, Scipioni, Anita, Timperio, Anna Maria, Mancone, Carmine, Tripodi, Marco, Kapralov, Michail, Krasavin, Eugene, Kruse, Holger, Šponer, Jiří, Šponer, Judit E., Ranc, Václav, Otyepka, Michal, Pino, Samanta, Di Mauro, Ernesto

“…We report that 3′,5′‐cyclic CMP undergoes nonenzymatic di‐ and trimerization at 20 °C under dry conditions upon proton or UV irradiation. The reaction involves…”
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Four Ways to Oligonucleotides Without Phosphoimidazolides by Šponer, Judit E., Šponer, Jiří, Di Mauro, Ernesto

“…Emergence of the very first RNA or RNA-like oligomers from simple nucleotide precursors is one of the most intriguing questions of the origin of life research…”
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