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Formation of Triple-stranded DNA at d(GA·TC)n Sequences Prevents Nucleosome Assembly and Is Hindered by Nucleosomes*
TLDR
It is shown that the structural versatility of simple repeating d(GA·TC)n DNA sequences affects their ability to be packed into nucleosomes, and that nucleosome assembly and triplex formation are competing processes.
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The GAGA Factor of Drosophila Binds Triple-stranded DNA*
TLDR
It is shown that GAGA binds to a d[CT(GA·TC)]22intermolecular triplex with similar specificity and affinity as to a regular double-stranded B-form d(GA ·TC)22 sequence.
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Elsamicin A can convert the Z-form of poly[d(G-C)] and poly[(G-m5C)] back to B-form DNA.
TLDR
The elsamicin A effect might be explained by a model in which the antibiotic binds preferently to a B-form DNA, playing a role as an allosteric effector on the equilibrium between the B and Z conformations, thus favoring the right-handed one.
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Zinc(II) ions selectively interact with DNA sequences present at the TFIIIA binding site of the Xenopus 5S-RNA gene
TLDR
The interaction of zinc with the Xenopus 5S-RNA gene has been studied and several metal binding sites have been identified on the basis of the changes in chemical reactivity observed in the presence of the metal.
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The interaction of zinc(II) ions with antiparallel-stranded d(GA)n DNA homoduplexes.
TLDR
The result indicate that zinc plays an specific role on the stabilization of the (GA x GA) intramolecular hairpins and the thermal stability of antiparallel-stranded d(GA)n homoduplexes increases in the presence of zinc.
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Study about the addition of chemically modified starches (cross-linked cornstarches), dextrins, and oats fiber in baked pound cake
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Revealing community assembly through barcoding: Mediterranean butterflies and dispersal variation.
TLDR
The inclusion of almost 8,000 georeferenced sequences reveals that, in spite of also being present in southern Italy, almost half of Sicilian butterfly species are more closely related to populations from other parts of Europe, Asia or North Africa.
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Nutraceuticals and functional eggs: the role of nutraceuticals eggs in the prevention of disease, research and development.
Study comparative of custard inoculated with bacteria lactic of Kefir in different kind of soy milk (Glicine max)
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Dispersal ability and its consequences for population genetic differentiation and diversification
TLDR
A model where dispersal limitation may shape the diversity of lineages across evolutionary timescales by positively influencing intraspecific and species diversity, moderated by higher extinction rates compared to more dispersive lineages is revealed.
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