Results 51 to 60 of about 3,741 (114)

Design and Properties of Ligand-Conjugated Guanine Oligonucleotides for Recovery of Mutated G-Quadruplexes

open access: yesMolecules, 2018
The formation of a guanine quadruplex DNA structure (G4) is known to repress the expression of certain cancer-related genes. Consequently, a mutated G4 sequence can affect quadruplex formation and induce cancer progression. In this study, we developed an
Shuntaro Takahashi   +5 more
doaj   +1 more source

Generation, repair and replication of guanine oxidation products

open access: yesGenes and Environment, 2017
Guanine is the most readily oxidized of the four DNA bases, and guanine oxidation products cause G:C-T:A and G:C-C:G transversions through DNA replication.
Katsuhito Kino   +4 more
doaj   +1 more source

Refinement of synthetic guanine crystals for fast diamagnetic rotation

open access: yesAIP Advances, 2019
Synthetic guanine crystals, with the same magnetic controllable reflection property as a biogenic guanine crystal from fish scales, were prepared using a classical Ostwald ripening method for crude crystals, from the aqueous sodium hydroxide solution of ...
Archana Mootha   +6 more
doaj   +1 more source

Guanine crystal formation by the unicellular organism Phacotus lenticularis is part of a cellular stress response.

open access: yesPLoS ONE
Organic crystals, and in particular guanine crystals, are widely used by multicellular organisms for manipulating light and producing structural colors.
Noy Shaked   +7 more
doaj   +1 more source

Underlying charge-transfer mechanism of visible light emission in guanine crystals

open access: yesCommunications Chemistry
Biogenic guanine crystals found in various aquatic and terrestrial animals, show unique optical properties that include structural coloration as well as reflectance and have intrigued researchers for over a century.
Aditya Prasun   +5 more
doaj   +1 more source

The Structure of Guanine Propionate

open access: yesJournal of Biological Chemistry, 1961
U, AL-KHALIDI, G R, GREENBERG
openaire   +2 more sources

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