Results 11 to 20 of about 46,251 (223)

Natural variation in Vif: differential impact on APOBEC3G/3F and a potential role in HIV-1 diversification. [PDF]

open access: yesPLoS Pathogens, 2005
The HIV-1 Vif protein counteracts the antiviral activity exhibited by the host cytidine deaminases APOBEC3G and APOBEC3F. Here, we show that defective vif alleles can readily be found in HIV-1 isolates and infected patients. Single residue changes in the
Viviana Simon   +5 more
doaj   +2 more sources

Proof-of-principle studies on a strategy to enhance nucleotide imbalance specifically in cancer cells

open access: yesCell Death Discovery, 2022
Highly specific and potent inhibitors of dihydroorotate dehydrogenase (DHODH), an essential enzyme of the de novo pyrimidine ribonucleotide synthesis pathway, are in clinical trials for autoimmune diseases, viral infections and cancer.
Twana Alkasalias   +9 more
doaj   +1 more source

Association of Inosine and Cytidine

open access: yesBiophysical Journal, 1971
A rigorous theory for the analysis of an associating system involving two different monomer units, which may also undergo self-association, has been developed. In the present paper the application of the theory to actual data is demonstrated for the first time.
Magar, M.E., Steiner, R.F., Kolinski, R.
openaire   +2 more sources

Enhanced mitochondrial activity reshapes a gut microbiota profile that delays NASH progression

open access: yesHepatology, EarlyView., 2022
Improved mitochondrial activity, due to the lack of methylation‐controlled J protein (MCJ), creates a specific microbiota signature that when transferred through cecal microbiota transplantation delays NASH progression by restoring the gut‐liver axis and enhancing hepatic fatty acid oxidation.
María Juárez‐Fernández   +18 more
wiley   +1 more source

Exploring ABOBEC3A and APOBEC3B substrate specificity and their role in HPV positive head and neck cancer

open access: yesiScience, 2022
Summary: APOBEC3 family members are cytidine deaminases catalyzing conversion of cytidine to uracil. Many studies have established a link between APOBEC3 expression and cancer development and progression, especially APOBEC3A (A3A) and APOBEC3B (A3B ...
Christina Papini   +12 more
doaj   +1 more source

The photophysics of protonated cytidine and hemiprotonated cytidine base pair: A computational study

open access: yesPhotochemistry and Photobiology, 2023
AbstractWe here study the effect that a lowering of the pH has on the excited state processes of cytidine and a cytidine/cytidine pair in solution, by integrating time‐dependent density functional theory and CASSCF/CASPT2 calculations, and including solvent by a mixed discrete/continuum model.
Martinez-Fernandez L., Improta R.
openaire   +3 more sources

An enzymatic assay for high-throughput screening of cytidine-producing microbial strains.

open access: yesPLoS ONE, 2015
Cytidine is an industrially useful precursor for the production of antiviral compounds and a variety of industrial compounds. Interest in the microbial production of cytidine has grown recently and high-throughput screening of cytidine over-producers is ...
Huina Dong   +5 more
doaj   +1 more source

Increasing fidelity and efficiency by modifying cytidine base-editing systems in rice

open access: yesCrop Journal, 2020
The efficiency of plant cytidine base-editing systems is limited, and unwanted mutations frequently occur in transgenic plants. We increased the cytidine editing frequency and fidelity of the plant base editor 3 (BE3) and targeted activation-induced ...
Ruiying Qin   +6 more
doaj   +1 more source

Potential SARS-CoV-2 RdRp inhibitors of cytidine derivatives: Molecular docking, molecular dynamic simulations, ADMET, and POM analyses for the identification of pharmacophore sites.

open access: yesPLoS ONE, 2022
The RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2 is one of the optimum targets for antiviral drug design and development. The hydroxyl groups of cytidine structures were modified with different aliphatic and aromatic groups to obtain 5´-O-acyl and 2´
Sarkar M A Kawsar   +8 more
doaj   +2 more sources

Construction of a cytidine base editor based on Exopalaemon carinicauda cytidine deaminase and its application in crustacean genome editing

open access: yesAquaculture Reports, 2022
Economic crustaceans play important roles in aquaculture and create great benefits for the world agricultural economy. Studies have found that there are many single nucleotide polymorphism (SNP) sites in the crustacean genomes, which closely related to a
Yujie Liu   +5 more
doaj   +1 more source

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