Results 1 to 10 of about 14,840,487 (186)
Chemical Evolution of a Bacterium’s Genome [PDF]
Angewandte Chemie - International Edition, 2011 We set out to develop a generic technology for evolving the chemical constitution of microbial populations by using the simplest possible algorithm. Extant living cells polymerize a restricted set of nucleic acid precursors, namely, four nucleoside triphosphates (UTP, CTP, ATP, GTP) and four deoxynucleoside triphosphates (dTTP, dCTP, dATP, dGTP ...
Volker Döring +2 more
exaly +5 more sources
Angewandte Chemie - International Edition, 2019 In diverse biological systems, the oxidation of tyrosine to melanin or dityrosine is crucial for the formation of crosslinked proteins and thus for the realization of their structural, biological, and photoactive functionalities; however, the predominant
Xuehai Yan +2 more
exaly +2 more sources
Autocatalytic Sets Arising in a Combinatorial Model of Chemical Evolution
Life, 2022 The idea that chemical evolution led to the origin of life is not new, but still leaves open the question of how exactly it could have led to a coherent and self-reproducing collective of molecules.
Wim Hordijk, Mike Steel, Stuart Kauffman
doaj +3 more sources
Retrocausality in Quantum Phenomena and Chemical Evolution
Information, 2016 The interplay between retrocausality and the time-reversal symmetry of the dynamical law of quantum mechanics underscores the significance of the measurement dynamics with the use of indivisible and discrete quantum particles to be mediated.
Koichiro Matsuno
doaj +3 more sources
Modelling the chemical evolution of the Milky Way [PDF]
The Astronomy and Astrophysics Review, 2021 In this review, I will discuss the comparison between model results and observational data for the Milky Way, the predictive power of such models as well as their limits.
F. Matteucci
semanticscholar +1 more source
Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu
Nature Communications, 2023 Samples from the carbonaceous asteroid (162173) Ryugu provide information on the chemical evolution of organic molecules in the early solar system. Here we show the element partitioning of the major component ions by sequential extractions of salts ...
T. Yoshimura +42 more
semanticscholar +1 more source
Chemical evolution of an autonomous DNAzyme with allele-specific gene silencing activity
Nature Communications, 2023 Low activity has been the primary obstacle impeding the use of DNA enzymes (DNAzymes) as gene silencing agents in clinical applications. Here we describe the chemical evolution of a DNAzyme with strong catalytic activity under near physiological ...
Kim Nguyen, Turnee N. Malik, J. Chaput
semanticscholar +1 more source
Chemical Evolution of Natural Product Structure
Journal of the American Chemical Society, 2022 Natural products are the result of Nature’s exploration of biologically relevant chemical space through evolution and an invaluable source of bioactive small molecules for chemical biology and medicinal chemistry.
Michael Grigalunas +2 more
semanticscholar +1 more source
The chemical evolution of solid electrolyte interface in sodium metal batteries
Science Advances, 2022 The solid electrolyte interface (SEI) formed on the anode is one of the key factors that determine the life span of sodium metal batteries (SMBs). However, the continuous evolution of SEI during charging/discharging processes complicates the fundamental ...
Li-Na Gao +3 more
semanticscholar +1 more source
Thioesters provide a plausible prebiotic path to proto-peptides
Nature Communications, 2022 One of the early processes enabling the origins of life is thought to be the condensation of building blocks into oligomers and polymers. In this article, the authors report the synthesis of thiodepsipeptides and HS-peptides under mild temperatures and ...
Moran Frenkel-Pinter +6 more
doaj +1 more source