Literature DB >> 12633988

Expanding the physiological role of the hexameric DnaB helicase.

Wlodzimierz Bujalowski1.   

Abstract

The hexameric DnaB protein is the Escherichia coli primary replicative helicase. However, recent studies indicate that this enzyme is capable of driving branch migration of a Holliday junction, acting more like an ATP-driven pump than a helicase. This offers an attractive possibility that the protein is directly involved in DNA recombination in vivo. Thus, the physiological role of the DnaB protein in DNA metabolism, and its modes of action, might be more complex than previously thought.

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Year:  2003        PMID： 12633988     DOI： 10.1016/S0968-0004(03)00034-3

Source DB:  PubMed          Journal:  Trends Biochem Sci        ISSN： 0968-0004            Impact factor:   13.807


  10 in total

Review 1.  Replication termination in Escherichia coli: structure and antihelicase activity of the Tus-Ter complex.

Authors:  Cameron Neylon; Andrew V Kralicek; Thomas M Hill; Nicholas E Dixon
Journal:  Microbiol Mol Biol Rev       Date:  2005-09       Impact factor: 11.056

2.  Thermodynamic analysis of the structure-function relationship in the total DNA-binding site of enzyme-DNA complexes.

Authors:  Wlodzimierz Bujalowski; Maria J Jezewska
Journal:  Methods Enzymol       Date:  2009       Impact factor: 1.600

3.  Bioinformatics Analysis and Functional Characterization of the CFEM Proteins of Metarhizium anisopliae.

Authors:  Ni Cai; Rong Liu; Duozi Yan; Neng Zhang; Kaihui Zhu; Daogang Zhang; Xiangqun Nong; Xiongbing Tu; Zehua Zhang; Guangjun Wang
Journal:  J Fungi (Basel)       Date:  2022-06-24

4.  Multiple global conformational states of the hexameric RepA helicase of plasmid RSF1010 with different ssDNA-binding capabilities are induced by different numbers of bound nucleotides. Analytical ultracentrifugation and dynamic light scattering studies.

Authors:  Agnieszka Marcinowicz; Maria J Jezewska; Wlodzimierz Bujalowski
Journal:  J Mol Biol       Date:  2007-06-27       Impact factor: 5.469

5.  Mechanism of NTP hydrolysis by the Escherichia coli primary replicative helicase DnaB protein. 2. Nucleotide and nucleic acid specificities.

Authors:  Anasuya Roychowdhury; Michal R Szymanski; Maria J Jezewska; Wlodzimierz Bujalowski
Journal:  Biochemistry       Date:  2009-07-28       Impact factor: 3.162

6.  Escherichia coli DnaB helicase-DnaC protein complex: allosteric effects of the nucleotides on the nucleic acid binding and the kinetic mechanism of NTP hydrolysis. 3.

Authors:  Anasuya Roychowdhury; Michal R Szymanski; Maria J Jezewska; Wlodzimierz Bujalowski
Journal:  Biochemistry       Date:  2009-07-28       Impact factor: 3.162

7.  Phage Lambda P protein: trans-activation, inhibition phenotypes and their suppression.

Authors:  Sidney Hayes; Craig Erker; Monique A Horbay; Kristen Marciniuk; Wen Wang; Connie Hayes
Journal:  Viruses       Date:  2013-02-06       Impact factor: 5.048

8.  The mitochondrial DNA helicase TWINKLE can assemble on a closed circular template and support initiation of DNA synthesis.

Authors:  Elisabeth Jemt; Géraldine Farge; Stefan Bäckström; Teresa Holmlund; Claes M Gustafsson; Maria Falkenberg
Journal:  Nucleic Acids Res       Date:  2011-08-12       Impact factor: 16.971

9.  Switching from single-stranded to double-stranded DNA limits the unwinding processivity of ring-shaped T7 DNA helicase.

Authors:  Yong-Joo Jeong; Vaishnavi Rajagopal; Smita S Patel
Journal:  Nucleic Acids Res       Date:  2013-02-27       Impact factor: 16.971

10.  Lambda gpP-DnaB Helicase Sequestration and gpP-RpoB Associated Effects: On Screens for Auxotrophs, Selection for Rif(R), Toxicity, Mutagenicity, Plasmid Curing.

Authors:  Sidney Hayes; Wen Wang; Karthic Rajamanickam; Audrey Chu; Anirban Banerjee; Connie Hayes
Journal:  Viruses       Date:  2016-06-22       Impact factor: 5.048
  10 in total

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