Programme

Sunday 20th July

15:00-17:00

Registration

 

17:00

Organisers

Opening remarks

Opening session (Chair – Yves Pommier)

17:10

Patrick Forterre

Origin and evolution of DNA topoisomerases

17:50

James Champoux

Recent studies on the repair of topoisomerase I-DNA covalent complexes

18:30

Jorge Schvartzman

Interplay of DNA superco8iling and catenation during the segregatrion of sister duplexes

18:50

Reception (sponsored by Astrazeneca) and poster session

Monday 21st July

08:50

Organisers & Director

Introduction & welcome

DNA Topology (Chair – David Hooper)
Sponsored by University of Liverpool Biochemistry Centenary Fund

09:00

Andrzej Stasiak

Effect of DNA supercoiling on DNA knotting

09:40

Lynn Zechiedrich

DNA twisting denatures DNA, flips bases, and triggers P-DNA to preserve B-form DNA

10:20

Coffee/tea

 

10:50

Vincent Croquette

Torque versus twist - dependence upon salt conditions in magnetic tweezers experiments (The British Biophysical Society Lecture)

11:30

Zev Bryant

Single molecule mechanics of DNA and topoisomerases

12:10

Michael Thompson

Energy concepts for topoisomerases: new insights from elastic rod theory

12:30

Jonathan Fogg

Dissecting the supercoiling dependence of topoisomerases using minicircle DNA

12:50

Lunch/coffee & posters

 

Topoisomerase structure & mechanism (Chair – James Berger)

14:00

Alfonso Mondragon

Structural studies of type I topoisomerases

14:40

Dagmar Klostermeier

Mechanistic studies on gyrase and reverse gyrase

15:00

Stewart Shuman

Topo I and DNA ligase: birds of a feather?

15:40

Tea/coffee

 

16:10

PLENARY: Nucleic acids award lecture – introduced by Mike Gait, RSC Nucleic Acids Group (Chair – Tony Maxwell)

16:20

Martin Gellert

Twists and turns of DNA gyrase

17:20

Close

 

19:30

Reception/dinner in Norwich sponsored by Inspiralis and Norwich City Council

Tuesday 22nd July

Topoisomerase structure & mechanism cont’d (Chair – James Berger)

08:40

Tao Hsieh

Monitoring the conformational dynamics in topoisomerase II

09:20

Neil Osheroff

The DNA cleavage reaction of topoisomerase II

10:00

Nicole Baker

Solution studies of DNA bound Gyrase

10:20

Coffee/tea

 

10:50

Manlio Palumbo

Metal ion effects in topoisomerase structure and function

11:30

Alexander Vologodskii

Simplification of DNA topology by type II DNA topoisomerases. A new development

12:10

Nynke Dekker

Single-Molecule Studies of Supercoil Dynamics and Removal

12:50

Lunch/coffee & posters

 

14:00

Topoisomerases in Chemotherapy (Chair – Andrzej Stasiak)

14:00

Karl Drlica

Fluoroquinolone action and resistance

14:40

Valakunja Nagaraja

New approaches to inhibit DNA topoisomerases from mycobacteria

15:00

David Hooper

Resistance to bacterial topoisomerase poisons

15:40

Tea/coffee

 

16:10

Yuk-Ching Tse-Dinh

Bacterial topoisomerase I as a target for discovery of antibacterial compounds

16:50

Mary-Ann Bjornsti

Cellular responses to DNA topoisomerase I-induced DNA damage

17:30

Close

 

Evening

Free evening

Optional: Woodforde's Brewery trip (sign up)

Wednesday 23rd July

09:00

Leroy Liu

Ubiquitin and ubiquitin-like proteins in processing/repair of topoisomerase cleavage complexes

09:40

Yves Pommier

Mitochondrial topoisomerases

10:20

Coffee/tea

 

10:50

Topoisomerases in vivo (Chair – Patrick Forterre)
Sponsored by John Innes Centre

10:50

Charles Dorman

Bacterial DNA topology and infectious disease

11:30

John Nitiss

Cell killing by Top2:DNA covalent complexes does not require enzyme mediated double strand breaks

11:50

Ian Hickson

The RecQ helicase/topoisomerase III complex as a DNA structure-specific dissolvasome

12:30

Lunch/coffee posters

 

14:00

Ignacio Bermudez

Genome-wide analyses of DNA topology and topoisomerase function

14:40

Caroline Austin

Human topoisomerase IIa DNA binding sites isolated by chromatin immunoprecipitation

15:00

Keiko Sugimoto

Functional role of DNA topoisomerase VI in plant development

15:40

Tea/coffee

 

 

PLENARY (Chair – Andy Bates)

16:10

James Berger

(Un)Tying the knot: how structure helped disentangle the biochemistry of type II topoisomerases, and vice versa

17:10

Close

 

19:30

Conference dinner; Sprowston Manor Hotel and Country Club

Thursday 24th July

Depart

Programme committee: