Results 31 to 40 of about 686,474 (304)
Molecular Plant, 2013 In plants, the cytokinin metabolic processes, including cytokinin biosynthesis, interconversion, inactivation, and degradation, play critical roles in the regulation of cytokinin homeostasis and plant development.
Xinyan Zhang +8 more
semanticscholar +1 more source
Towards RNA life on Early Earth: From atmospheric HCN to biomolecule production in warm little ponds [PDF]
, 2022 The origin of life on Earth involves the early appearance of an information-containing molecule such as RNA. The basic building blocks of RNA could have been delivered by carbon-rich meteorites, or produced in situ by processes beginning with the synthesis of hydrogen cyanide (HCN) in the early Earth's atmosphere.
arxiv +1 more source
Water dimer driven DNA base superstructure with mismatched hydrogen-bonding [PDF]
J. Am. Chem. Soc. 144, 20227-20231 (2022), 2022 The existence of water dimers in equilibrium water vapor at room temperature and their anomalous properties revealed by recent studies suggest the benchmark role of water dimer in both experiment and theory. However, there has been a limited observation of individual water dimers due to the challenge of water separation and generation at the single ...
arxiv +1 more source
Conformationally Restricted Adenine Nucleotide Analogs in Mitochondrial Adenine Nucleotide Transport
Zeitschrift für Naturforschung C, 1978 Abstract The conformationally restricted adenine nucleotide analogs 8,3′anhydro-8-oxy-9-(β-ᴅ-xylofurano-syl) adenine-5′-O-tri (di) -phosphate (I) , and 8,2′-anhydro-8-oxy-9-(β-ᴅ-arabinofuranosyl) adenine-5′-O-tri (di)-phosphate (II), were prepared chemically as their α-32P-labelled compounds and compared with syn-structured 8-bromo AT(D)
Morio Ikehara +2 more
openaire +3 more sources
Proceedings of the National Academy of Sciences of the United States of America, 2011 Trinitrophenyl derivatives of adenine nucleotides are widely used for probing ATP-binding sites. Here we describe crystal structures of Ca2+-ATPase, a representative P-type ATPase, in the absence of Ca2+ with bound ATP, trinitrophenyl-ATP, -ADP, and -AMP
C. Toyoshima +3 more
semanticscholar +1 more source
AMB Express, 2020 The giant mottled eel is a species with high commercial value so overfishing, river management, and water pollution have negatively affected its movement and population numbers. Anguilla marmorata (eel) was listed in the Vietnam Red Data Book 2007 with a
Kieu Thi Huyen, Nguyen Quang Linh
doaj +1 more source
Vibrational Investigation of Nucleobases by Means of Divide and Conquer Semiclassical Dynamics [PDF]
Journal of Chemical Physics 150, 224107 (2019), 2019 In this work we report a computational study of the vibrational features of four different nucleobases employing the divide-and-conquer semiclassical initial value representation molecular dynamics method. Calculations are performed on uracil, cytosine, thymine, and adenine.
arxiv +1 more source
Distributions of Bubble Lifetimes and Bubble Lengths in DNA [PDF]
Phys. Rev. E 102, 062114 (2020), 2020 We investigate the distribution of bubble lifetimes and bubble lengths in DNA at physiological temperature, by performing extensive molecular dynamics simulations with the Peyrard-Bishop-Dauxois (PBD) model, as well as an extended version (ePBD) having a sequence-dependent stacking interaction, emphasizing the effect of the sequences' guanine-cytosine (
arxiv +1 more source
Raman depolarization ratios in RNA and DNA are sensitive for sugar-base coupling [PDF]
, 1995 Polarized and depolarized Raman spectra are obtained for a number of synthetic polynucleotides containing adenine, uracil, and thymine bases. The depolarization ratios are determined by two methods: (1) by dividing the -spectrum by the -spectrum and (2 ...
Benevides +17 more
core +3 more sources
Metabolic engineering of the purine biosynthetic pathway in Corynebacterium glutamicum results in increased intracellular pool sizes of IMP and hypoxanthine [PDF]
, 2012 Background: Purine nucleotides exhibit various functions in cellular metabolism. Besides serving as building blocks for nucleic acid synthesis, they participate in signaling pathways and energy metabolism.
Barduhn, Tobias +5 more
core +1 more source