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Relevant bibliographies by topics / DNA toroids

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Journal articles
Dissertations / Theses
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Academic literature on the topic 'DNA toroids'

Author: Grafiati

Published: 8 March 2025

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Journal articles on the topic "DNA toroids"

1

Golan, Roxana, Lía I. Pietrasanta, Wan Hsieh, and Helen G. Hansma. "DNA Toroids: Stages in Condensation†." Biochemistry 38, no. 42 (1999): 14069–76. http://dx.doi.org/10.1021/bi990901o.

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Brewer, Laurence R. "Deciphering the structure of DNA toroids." Integrative Biology 3, no. 5 (2011): 540. http://dx.doi.org/10.1039/c0ib00128g.

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3

Chan, Philip J., Eliza M. Orzylowska, Johannah U. Corselli, John D. Jacobson, and Albert K. Wei. "A Simple Sperm DNA Toroid Integrity Test and Risk of Miscarriage." BioMed Research International 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/780983.

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Current methods of analyzing sperm chromatin competency overlook the inner sperm compartment which is inaccessible to probes and reagents. By breaking the molecular protamine disulfide bridges, the DNA toroids are exposed to integrity analysis. The aim was to develop a simple nuclear toroid test and determine its association with fertilization, pregnancy, and miscarriage. The approach involved treating washed sperm remaining after ICSI procedures (N=35cases) with acidified Triton X-100 and dithiothreitol (DTT) before Diff-Quik staining. Percentages of sperm with normal chromatin indicated by l

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4

McMillan, Ryan B., Hilary Bediako, Luka Matej Devenica, Yuxing E. Ma, Donna M. Roscoe, and Ashley R. Carter. "DNA Toroids form via a Flower Intermediate." Biophysical Journal 120, no. 3 (2021): 34a. http://dx.doi.org/10.1016/j.bpj.2020.11.459.

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Hingorani, Manju M., and Mike O'Donnell. "A tale of toroids in DNA metabolism." Nature Reviews Molecular Cell Biology 1, no. 1 (2000): 22–30. http://dx.doi.org/10.1038/35036044.

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Cherstvy, A. G. "Structure of DNA toroids and electrostatic attraction of DNA duplexes." Journal of Physics: Condensed Matter 17, no. 8 (2005): 1363–74. http://dx.doi.org/10.1088/0953-8984/17/8/015.

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Wang, Yanwei, Xu Zhang, and Guangcan Yang. "Single molecular analysis of the interaction between DNA and chitosan." RSC Advances 5, no. 37 (2015): 29594–600. http://dx.doi.org/10.1039/c4ra15612a.

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Guo, Cunlan, Zhelin Liu, Fugang Xu, et al. "Surface-Relevant Regulable DNA Toroids Induced by Dopamine." Journal of Physical Chemistry B 113, no. 17 (2009): 6068–73. http://dx.doi.org/10.1021/jp810126f.

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Ubbink, J., and T. Odijk. "Polymer- and salt-induced toroids of hexagonal DNA." Biophysical Journal 68, no. 1 (1995): 54–61. http://dx.doi.org/10.1016/s0006-3495(95)80158-x.

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10

Brewer, Laurence R., Laura Cree, Michele Corzett, and Rod Balhorn. "DNA-Protamine Toroids Pull on their Attachment Points." Biophysical Journal 98, no. 3 (2010): 477a. http://dx.doi.org/10.1016/j.bpj.2009.12.2600.

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Dissertations / Theses on the topic "DNA toroids"

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Conwell, Christine C. "Kinetic and Thermodynamic Factors Govern DNA Condensate Size and Morphology." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5213.

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It is well known that multivalent cations can cause DNA to condense from solution to form high-density nanometer scale particles. However, several fundamental questions concerning the phenomenon of DNA condensation remain unanswered. DNA condensation in vitro has been of interest for many years as a model of naturally occurring DNA packaging (e.g. chromatin, sperm head and virus capsid packing). More recently, DNA condensation has been of interest in optimizing artificial gene delivery, where packaging genes to an optimal size is essential to developing efficient uptake and delivery systems.

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2

Vertchik, Kahina. "Order and disorder in condensed DNA toroids analysed by cryo-electron microscopy." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASQ068.

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Les tores d'ADN sont des structures cristallines liquides formées spontanément par la condensation de molécules d'ADN en solution par un agent de condensation tel que la spermine 4+. Ces tores servent de modèles pour comprendre le repliement des chromosomes dans certains virus à ADN double brin et pour leur potentiel en nano-ingénierie. La caractérisation détaillée de leur organisation tridimensionnelle reste limitée à un ordre hexagonal localisé. Cette thèse vise à élucider la structure fine et le mécanisme de formation des tores d'ADN, encore mal compris malgré de nombreuses études théorique

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Vilfan, Igor D. "DNA Condensate Morphology - Examples from the Test Tube and Nature." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7172.

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DNA condensates have attracted the attention of biophysicists, biochemists and polymer physicists for more than thirty years. In the biological community, the quest to understand DNA toroid formation has been motivated by its relevance to gene packing in certain viruses and by the potential use of DNA toroids in artificial gene delivery (e.g. gene therapy). In the physical sciences, DNA toroids are appreciated as a superb model system for studying particle formation by the collapse of a semiflexible, polyelectrolyte polymer. The thesis includes an analysis of the kinetic and thermodynamic fact

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4

Sung, Baeckkyoung. "Condensation of DNA by spermine in the bulk and in the bacteriophage capsid : a cryo-electron microscopy study." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00725394.

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By using cryo-electron microscopy, we analyzed the morphology and structure of long double-stranded DNA chains condensed upon addition of varying amounts of the tetravalent polycation spermine (polyamine). Experiments have been performed i) with chains diluted in the bulk and ii) with individual chains confined in a virus capsid.Bulk experiments have been done with lambda DNA (48.5 kbp) at low concentration (0.03 mM Ph) and in low salt conditions (10 mM Tris HCl, 1 mM EDTA, pH 7.6). We explored a wide range of spermine concentration, from the onset of precipitation (0.05 mM sp) up to above the

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Books on the topic "DNA toroids"

1

El dia que Himmler va anar als toros. Edicions de 1984, 2004.

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Book chapters on the topic "DNA toroids"

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Marx, Kenneth A. "Toroidal DNA Condensates; Aspects of Formation, Structures, Dynamics and Biological Implications." In Structure and Dynamics of Biopolymers. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3619-5_8.

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"Polyelectrolyte Behavior in DNA: Self-Assembling Toroidal Nanoparticles." In Nanoscale Technology in Biological Systems. CRC Press, 2004. http://dx.doi.org/10.1201/9780203500224-14.

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Conference papers on the topic "DNA toroids"

1

Luciano, Benedito Antonio, José Gutembergue de Assis Lira, Raimundo Carlos Silvério Freire, Edson Guedes da Costa, and Walman Benício de Castro. "SENSORES DE CORRENTE ELÉTRICA COM NÚCLEOS TOROIDAIS DE LIGA NANOCRISTALINA." In 62º Congresso anual da ABM. Editora Blucher, 2007. https://doi.org/10.5151/2594-5327-2006-15207-0404.

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Hirsh, Andrew D., Todd D. Lillian, and N. C. Perkins. "A Model for Highly Strained DNA in a Cavity." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48711.

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A single DNA molecule is a long and flexible biopolymer that contains the genetic code. Building upon the discovery of the iconic double helix over 50 years ago, subsequent studies have emphasized how its biological function is related to the mechanical properties of the molecule. A remarkable system which high-lights the role of DNA bending and twisting is the packing and ejection of DNA into and from viral capsids. A recent 3D reconstruction of bacteriophage φ29 reveals a novel toroidal structure thought to be 30–40 bp of highly bent/twisted DNA contained in a small cavity below the capsid.

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Luciano, Benedito Antonio, José Gutembergue de Assis Lira, Raimundo Carlos Silvério Freire, Edson Guedes da Costa, and Walman Benício de Castro. "SENSORES DE CORRENTE ELÉTRICA COM NÚCLEOS TOROIDAIS DE LIGA NANOCRISTALINA." In 62º Congresso anual da ABM. Editora Blucher, 2007. http://dx.doi.org/10.5151/2594-5327-0404.

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4

Lengade, Rohin. "A Prototype Aerospike: Another Fish in the Sea." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23852.

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Abstract Exploration is in our DNA! It is this spark of curiosity that has taken us to the moon and beyond. It is not easy to get into orbit. The rockets that we build today are quite sophisticated. Although technology will improve, these massive machines will increasingly be complicated to play with. One big reason being the ‘tyranny of rocket equation.’ As of now, we do not have any technology that will propel us out into space without using rockets. We are constantly finding ways to make rockets more efficient and launch more meaningful payloads into orbit. This is done by intelligently cho

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