Results 11 to 20 of about 643,096 (374)

Efficacy of neuroprotective treatment including pyrimidine nucleotides in secondary uveitic glaucoma

open access: goldJournal of Ophthalmology, 2018
Background: Secondary glaucoma is found in 18% to 38% of patients with uveitis, and is one of the most severe uveitic complications. The glaucomatous process is characterized by the progressive optic nerve neuropathy. The lack of efficacy of conventional
V. V. Savko, V. V. Savko Jnr
doaj   +2 more sources

Purine but Not Pyrimidine Nucleotides Support Rotation of F1-ATPase [PDF]

open access: yesJournal of Biological Chemistry, 2001
The binding change model for the F(1)-ATPase predicts that its rotation is intimately correlated with the changes in the affinities of the three catalytic sites for nucleotides. If so, subtle differences in the nucleotide structure may have pronounced effects on rotation. Here we show by single-molecule imaging that purine nucleotides ATP, GTP, and ITP
Masasuke Yoshida   +8 more
openaire   +4 more sources

Catabolism of Pyrimidine Nucleotides in the Deep-sea Tube WormRiftia pachyptila [PDF]

open access: hybridJournal of Biological Chemistry, 2002
The present study describes the distribution and properties of enzymes of the catabolic pathway of pyrimidine nucleotides in Riftia pachyptila, a tubeworm living around deep-sea hydrothermal vents and known to be involved in a highly specialized ...
Zoran Minić   +3 more
openalex   +2 more sources

Characterization of P2 receptors for purine and pyrimidine nucleotides in human placental cotyledons [PDF]

open access: greenBritish Journal of Pharmacology, 1997
Vera Ralevic   +3 more
openalex   +2 more sources

Selective Fluorimetric Detection of Pyrimidine Nucleotides in Neutral Aqueous Solution with a Styrylpyridine-Based Cyclophane

open access: yesChemistry, 2023
A styrylpyridine-containing cyclophane with diethylenetriamine linkers is presented as a host system whose association with representative nucleotides was examined with photometric and fluorimetric titrations.
Julika Schlosser   +3 more
doaj   +1 more source

Transcriptional reprogramming of nucleotide metabolism in response to altered pyrimidine availability in Arabidopsis seedlings

open access: yesFrontiers in Plant Science, 2023
In Arabidopsis seedlings, inhibition of aspartate transcarbamoylase (ATC) and de novo pyrimidine synthesis resulted in pyrimidine starvation and developmental arrest a few days after germination.
Robert D. Slocum   +2 more
doaj   +1 more source

Purine and pyrimidine nucleotide metabolism in Mollicutes [PDF]

open access: yesGenetics and Molecular Biology, 2007
Several mollicute genome projects are underway, offering unique opportunities to study genes and metabolic pathways on a genome-wide scale. Here, we have analyzed the conservation and diversity of purine and pyrimidine metabolism in mycoplasmas. An evaluation of discrepancies between genomic analysis and enzymatic data revealed interesting aspects ...
Bizarro, Cristiano Valim   +1 more
openaire   +4 more sources

Crystal structure and functional implications of cyclic di-pyrimidine-synthesizing cGAS/DncV-like nucleotidyltransferases

open access: yesNature Communications, 2023
Purine-containing nucleotide second messengers regulate diverse cellular activities. Cyclic di-pyrimidines mediate anti-phage functions in bacteria; however, the synthesis mechanism remains elusive.
Chia-Shin Yang   +5 more
doaj   +1 more source

Molecular determinants of inhibition of UCP1-mediated respiratory uncoupling

open access: yesNature Communications, 2023
Brown adipose tissue expresses uncoupling protein 1 (UCP1), which dissipates energy as heat, making it a target for treating metabolic disorders. Here, we investigate how purine nucleotides inhibit respiration uncoupling by UCP1.
Antoine Gagelin   +7 more
doaj   +1 more source

Methyl jasmonate elicitation of common bean seedlings induces nucleotidase activity and the expression of several nucleotidase genes in radicles

open access: yesBiologia Plantarum, 2021
Nucleotides are the basic elements of the genetic material, participate in bio-energetic processes, are cofactors and components of secondary metabolites, etc. Nucleotide hydrolases (nucleotidases) are phosphatases that remove the 5'-phosphate group from
G. GALVEZ-VALDIVIESO   +3 more
doaj   +1 more source

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