ArticleBiophysical journal2011
Protein-DNA interactions determine the shapes of DNA toroids condensed in virus capsids.
Article in Biophysical journal, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 50 citations in OpenAlex.
- Structure of Stacked Aggregates of Semiflexible Rings Under Spherical Confinement: A Computational Study.Polymers · 2026Article
- Real-world modeling and simulation for the self-organized toroidal packing of a DNA chain.Scientific reports · 2025Article
- Mechanical Properties of Viruses.Sub-cellular biochemistry · 2024Review
- Article
- DNA looping by protamine follows a nonuniform spatial distribution.Biophysical journal · 2021Article
- Phage G Structure at 6.1 Å Resolution, Condensed DNA, and Host Identity Revision to a Lysinibacillus.Journal of molecular biology · 2020Article
- Biodegradable Polymers for Gene Delivery.Molecules (Basel, Switzerland) · 2019Review
- Role of metallic core for the stability of virus-like particles in strongly coupled electrostatics.Scientific reports · 2019Article
- Shapes of minimal-energy DNA ropes condensed in confinement.Scientific reports · 2016Article
- How topoisomerase IV can efficiently unknot and decatenate negatively supercoiled DNA molecules without causing their torsional relaxation.Nucleic acids research · 2016Article
- Surfactant-induced ordering and wetting transitions of droplets of thermotropic liquid crystals "caged" inside partially filled polymeric capsules.Langmuir : the ACS journal of surfaces and colloids · 2014Article
- Ejecting phage DNA against cellular turgor pressure.Biophysical journal · 2014Article
- Entropy, energy, and bending of DNA in viral capsids.Biophysical journal · 2013Article
- Polymorphism of DNA conformation inside the bacteriophage capsid.Journal of biological physics · 2013Article
- Knotting of linear DNA in nano-slits and nano-channels: a numerical study.Journal of biological physics · 2013Article
- DNA movies and panspermia.Life (Basel, Switzerland) · 2011Article
- Modeling Viral Capsid Assembly.Advances in chemical physicsArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
DNA toroids that form inside the bacteriophage capsid present different shapes according to whether they are formed by the addition of spermine or polyethylene glycol to the bathing solution. Spermine-DNA toroids present a convex, faceted section with no or minor distortions of the DNA interstrand spacing with respect to those observed in the bulk, whereas polyethylene glycol-induced toroids are flattened to the capsid inner surface and show a crescent-like, nonconvex shape. By modeling the energetics of the DNA toroid using a free-energy functional composed of energy contributions related to the elasticity of the wound DNA, exposed surface DNA energy, and adhesion between the DNA and the capsid, we established that the crescent shape of the toroidal DNA section comes from attractive interactions between DNA and the capsid. Such attractive interactions seem to be specific to the PEG condensation process and are not observed in the case of spermine-induced DNA condensation.
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