Results 151 to 160 of about 25,243 (291)

Proteomic alterations of Escherichia coli by paraquat [PDF]

open access: yes, 2010
Paraquat (PQ; a widely used herbicide) exerts its harmful effect to human, mammals and microorganisms upon intracellular conversion to superoxide radical.
Isarankura-Na-Ayudhya, Chartchalerm   +7 more
core  

Purine Nucleoside Phosphorylase Deficiency in Two Unrelated Patients with Autoimmune Hemolytic Anemia and Eosinophilia: Two Novel Mutations. [PDF]

open access: yesArch Iran Med, 2023
Alizadeh Z   +6 more
europepmc   +1 more source

Possible traces of resonance signaling in the genome [PDF]

open access: yesarXiv, 2019
Although theories regarding the role of sequence-specific DNA resonance in biology have abounded for over 40 years, the published evidence for it is lacking. Here, the authors reasoned that for sustained resonance signaling, the number of oscillating DNA sequences per genome should be exceptionally high and that, therefore, genomic repeats of various ...
arxiv  

Purine Nucleoside Phosphorylase mediated molecular chemotherapy and conventional chemotherapy: A tangible union against chemoresistant cancer

open access: yesBMC Cancer, 2011
Background Late stage Ovarian Cancer is essentially incurable primarily due to late diagnosis and its inherent heterogeneity. Single agent treatments are inadequate and generally lead to severe side effects at therapeutic doses.
Joshi Swapna   +4 more
doaj   +1 more source

Connecting Conformational Motions to Rapid Dynamics in Human Purine Nucleoside Phosphorylase. [PDF]

open access: yesJ Phys Chem B, 2023
Frost CF   +3 more
europepmc   +1 more source

Solvable models of neighbor-dependent nucleotide substitution processes [PDF]

open access: yesarXiv, 2005
We prove that a wide class of models of Markov neighbor-dependent substitution processes on the integer line is solvable. This class contains some models of nucleotide substitutions recently introduced and studied empirically by molecular biologists. We show that the polynucleotide frequencies at equilibrium solve explicit finite-size linear systems ...
arxiv  

Control of ATP homeostasis during the respiro‐fermentative transition in yeast

open access: yesMolecular Systems Biology, 2010
Respiring Saccharomyces cerevisiae cells respond to a sudden increase in glucose concentration by a pronounced drop of their adenine nucleotide content ([ATP]+[ADP]+[AMP]=[AXP]).
Thomas Walther   +6 more
doaj   +1 more source

The structure of His-tagged Geobacillus stearothermophilus purine nucleoside phosphorylase reveals a `spanner in the works'. [PDF]

open access: yesActa Crystallogr F Struct Biol Commun, 2022
Given FM   +6 more
europepmc   +1 more source

Symmetry Analysis Of Genetic Code And Determinative Degree (in Russian) [PDF]

open access: yesarXiv, 2000
A three-dimensional model of the genetic vocabulary is proposed in terms of determinative degree, an introduced characteristic of nucleotide, which reflects absolute difference between purin and pyrimidin bases in one DNA strand. In the fremework of this model manifest symmetry and group properties are described. It is proposed to use the determinative
arxiv  

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