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RNase HI overproduction is required for efficient full-length RNA synthesis in the absence of topoisomerase I in Escherichia coli.

Baaklini I, Hraiky C, Rallu F, Tse-Dinh YC, Drolet M.

Mol Microbiol. 2004 Oct;54(1):198-211.


Mutations reducing replication from R-loops suppress the defects of growth, chromosome segregation and DNA supercoiling in cells lacking topoisomerase I and RNase HI activity.

Usongo V, Martel M, Balleydier A, Drolet M.

DNA Repair (Amst). 2016 Apr;40:1-17. doi: 10.1016/j.dnarep.2016.02.001. Epub 2016 Feb 27.


Depletion of RNase HI activity in Escherichia coli lacking DNA topoisomerase I leads to defects in DNA supercoiling and segregation.

Usongo V, Nolent F, Sanscartier P, Tanguay C, Broccoli S, Baaklini I, Drlica K, Drolet M.

Mol Microbiol. 2008 Aug;69(4):968-81. doi: 10.1111/j.1365-2958.2008.06334.x. Epub 2008 Jun 28.


Constitutive stable DNA replication in Escherichia coli cells lacking type 1A topoisomerase activity.

Martel M, Balleydier A, Sauriol A, Drolet M.

DNA Repair (Amst). 2015 Nov;35:37-47. doi: 10.1016/j.dnarep.2015.08.004. Epub 2015 Sep 26.


Hypernegative supercoiling inhibits growth by causing RNA degradation.

Baaklini I, Usongo V, Nolent F, Sanscartier P, Hraiky C, Drlica K, Drolet M.

J Bacteriol. 2008 Nov;190(22):7346-56. doi: 10.1128/JB.00680-08. Epub 2008 Sep 12.


Topoisomerases I and III inhibit R-loop formation to prevent unregulated replication in the chromosomal Ter region of Escherichia coli.

Brochu J, Vlachos-Breton É, Sutherland S, Martel M, Drolet M.

PLoS Genet. 2018 Sep 17;14(9):e1007668. doi: 10.1371/journal.pgen.1007668. eCollection 2018 Sep.


Effects of RNA polymerase modifications on transcription-induced negative supercoiling and associated R-loop formation.

Broccoli S, Rallu F, Sanscartier P, Cerritelli SM, Crouch RJ, Drolet M.

Mol Microbiol. 2004 Jun;52(6):1769-79.


Interplay between type 1A topoisomerases and gyrase in chromosome segregation in Escherichia coli.

Usongo V, Tanguay C, Nolent F, Bessong JE, Drolet M.

J Bacteriol. 2013 Apr;195(8):1758-68. doi: 10.1128/JB.02001-12. Epub 2013 Feb 8.


On the viability of Escherichia coli cells lacking DNA topoisomerase I.

Stockum A, Lloyd RG, Rudolph CJ.

BMC Microbiol. 2012 Feb 28;12:26. doi: 10.1186/1471-2180-12-26.


RNase H overproduction allows the expression of stress-induced genes in the absence of topoisomerase I.

Cheng B, Rui S, Ji C, Gong VW, Van Dyk TK, Drolet M, Tse-Dinh YC.

FEMS Microbiol Lett. 2003 Apr 25;221(2):237-42.


Roles of type 1A topoisomerases in genome maintenance in Escherichia coli.

Usongo V, Drolet M.

PLoS Genet. 2014 Aug 7;10(8):e1004543. doi: 10.1371/journal.pgen.1004543. eCollection 2014 Aug.


Effects of DNA supercoiling and topoisomerases on the expression of genes coding for F165(1), a P-like fimbriae.

Tessier MC, Graveline R, Crost C, Desabrais JA, Martin C, Drolet M, Harel J.

FEMS Microbiol Lett. 2007 Dec;277(1):28-36.


RnlB Antitoxin of the Escherichia coli RnlA-RnlB Toxin-Antitoxin Module Requires RNase HI for Inhibition of RnlA Toxin Activity.

Naka K, Qi D, Yonesaki T, Otsuka Y.

Toxins (Basel). 2017 Jan 11;9(1). pii: E29. doi: 10.3390/toxins9010029.


Roles of DNA topoisomerases in the regulation of R-loop formation in vitro.

Phoenix P, Raymond MA, Massé E, Drolet M.

J Biol Chem. 1997 Jan 17;272(3):1473-9.

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