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Imaging of Bacterial Chromosome Organization by 3D Super-Resolution Microscopy

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The Bacterial Nucleoid

Part of the book series: Methods in Molecular Biology ((MIMB,volume 1624))

Abstract

The bacterial nucleoid is highly organized, yet it is dynamically remodeled by cellular processes such as transcription, replication, or segregation. Many principles of nucleoid organization have remained obscure due to the inability of conventional microscopy methods to retrieve structural information beyond the diffraction limit of light. Structured illumination microscopy has recently been shown to provide new levels of spatial details on bacterial chromosome organization by surpassing the diffraction limit. Its ease of use and fast 3D multicolor capabilities make it a method of choice for imaging fluorescently labeled specimens at the nanoscale. We describe a simple high-throughput method for imaging bacterial chromosomes using this technique.

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Acknowledgments

This research was supported by funding from the European Research Council under the 7th Framework Program (FP7/2010-2015, ERC grant agreement 260787) and from the Agence Nationale pour la Recherche for projects HiResBacs (ANR-15-CE11-0023) and IBM (ANR-14-CE19-0025-02).3D-SIM experiments were performed at Montpellier RIO imaging. We acknowledge support from France-BioImaging (FBI, ANR-10-INSB-04).

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Authors and Affiliations

  1. Centre de Biochimie Structurale, CNRS UMR5048, INSERM U1054, Université de Montpellier, 29 rue de Navacelles, 34090, Montpellier, France

    Antoine Le Gall, Diego I. Cattoni & Marcelo Nollmann

Authors
  1. Antoine Le Gall
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  2. Diego I. Cattoni
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  3. Marcelo Nollmann
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Corresponding author

Correspondence to Marcelo Nollmann .

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Editors and Affiliations

  1. UMR CNRS 7241, INSERM U1050, CIRB, Collège de France, Paris, France

    Olivier Espéli

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Le Gall, A., Cattoni, D.I., Nollmann, M. (2017). Imaging of Bacterial Chromosome Organization by 3D Super-Resolution Microscopy. In: Espéli, O. (eds) The Bacterial Nucleoid. Methods in Molecular Biology, vol 1624. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7098-8_19

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  • DOI: https://doi.org/10.1007/978-1-4939-7098-8_19

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  • Publisher Name: Humana Press, New York, NY

  • Print ISBN: 978-1-4939-7097-1

  • Online ISBN: 978-1-4939-7098-8

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