Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83232
Title: Presence of negative supercoiling in aggregates of histone H1-plasmidic polynucleosome complexes
Authors: Zhang, Hao
Li, Tianhu
Keywords: Plasmid DNA
Histone H1
Issue Date: 2017
Source: Zhang, H., & Li, T. (2017). Presence of negative supercoiling in aggregates of histone H1-plasmidic polynucleosome complexes. Bioorganic & Medicinal Chemistry Letters, 27(2), 168-170.
Series/Report no.: Bioorganic & Medicinal Chemistry Letters
Abstract: It was shown in the past that in the presence of histone H1, plasmidic polynucleosomes formed densely packed aggregates. Our current studies demonstrate that these aggregates are susceptible to the actions of E. coli topoisomerase I, human topoisomerase I and DNA nicking enzyme, which is the indication that negative supercoiling is present in the condensed DNA-protein complexes. Since negative supercoiling leads to formation of highly curved and compact plectonemic and toroidal DNA structures, it would be reasonable to assume that DNA negative supercoils are responsible for aggregation of histone H1-plasmidic polynucleosome complexes.
URI: https://hdl.handle.net/10356/83232
http://hdl.handle.net/10220/42505
ISSN: 0960-894X
DOI: 10.1016/j.bmcl.2016.11.088
Rights: © 2016 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Bioorganic & Medicinal Chemistry Letters, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.bmcl.2016.11.088].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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