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A Fluorescence-Based Assay for Identification of Bacterial Topoisomerase I Poisons

  • Thirunavukkarasu Annamalai
  • Bokun Cheng
  • Neelam Keswani
  • Yuk-Ching Tse-Dinh
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1703)

Abstract

Bacterial Topoisomerase I is a potential target for the identification of novel topoisomerase poison inhibitors that could provide leads for a new class of antibacterial compounds. Here we describe in detail a fluorescence-based cleavage assay that is successfully used in HTS for the discovery of bacterial topoisomerase Ι poisons.

Key words

Bacterial topoisomerase I Topoisomerase I poisons Fluorescence-based assay High-throughput screening 

Notes

Acknowledgments 

We thank the staff at NERCE/NSRB for access to screening libraries and HTS facilities, assistance in assay setup, data processing and analysis. This work was supported by funding from TB Alliance and National Institutes of Health grants R21NS067592, R01AI069313 to YT. 

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Copyright information

© Springer Science+Business Media, LLC 2018

Authors and Affiliations

  • Thirunavukkarasu Annamalai
    • 1
    • 2
  • Bokun Cheng
    • 3
  • Neelam Keswani
    • 1
    • 2
  • Yuk-Ching Tse-Dinh
    • 1
    • 2
  1. 1.Department of Chemistry and BiochemistryFlorida International UniversityMiamiUSA
  2. 2.Biomolecular Sciences InstituteFlorida International UniversityMiamiUSA
  3. 3.Department of PediatricsAlbert Einstein College of MedicineBronxUSA

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