Detection of chlamydia developmental forms and secreted effectors by expansion microscopy
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- Expansion microscopy (ExM) is a novel tool to improve the resolution of fluorescence-based microscopy that has not yet been used to visualize intracellular pathogens. Here we show the expansion of the intracellular pathogen Chlamydia trachomatis, enabling to differentiate its two distinct forms, catabolic active reticulate bodies (RB) and infectious elementary bodies (EB), on a conventional confocal microscope. We show that ExM enables the possibility to precisely locate chlamydial effector proteins, such as CPAF or Cdu1, within and outside ofExpansion microscopy (ExM) is a novel tool to improve the resolution of fluorescence-based microscopy that has not yet been used to visualize intracellular pathogens. Here we show the expansion of the intracellular pathogen Chlamydia trachomatis, enabling to differentiate its two distinct forms, catabolic active reticulate bodies (RB) and infectious elementary bodies (EB), on a conventional confocal microscope. We show that ExM enables the possibility to precisely locate chlamydial effector proteins, such as CPAF or Cdu1, within and outside of the chlamydial inclusion. Thus, we claim that ExM offers the possibility to address a broad range of questions and may be useful for further research on various intracellular pathogens.…
Autor(en): | Tobias C. Kunz, Ralph Götz, Markus Sauer, Thomas Rudel |
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URN: | urn:nbn:de:bvb:20-opus-195716 |
Dokumentart: | Artikel / Aufsatz in einer Zeitschrift |
Institute der Universität: | Fakultät für Biologie / Theodor-Boveri-Institut für Biowissenschaften |
Sprache der Veröffentlichung: | Englisch |
Titel des übergeordneten Werkes / der Zeitschrift (Englisch): | Frontiers in Cellular and Infection Microbiology |
ISSN: | 2235-2988 |
Erscheinungsjahr: | 2019 |
Band / Jahrgang: | 9 |
Heft / Ausgabe: | 276 |
DOI: | https://doi.org/10.3389/fcimb.2019.00276 |
Allgemeine fachliche Zuordnung (DDC-Klassifikation): | 5 Naturwissenschaften und Mathematik / 57 Biowissenschaften; Biologie / 570 Biowissenschaften; Biologie |
Freie Schlagwort(e): | chlamydia; developmental forms; expansion microscopy; imaging; secreted effectors; superresolution |
Datum der Freischaltung: | 27.02.2020 |
Datum der Erstveröffentlichung: | 09.08.2019 |
Open-Access-Publikationsfonds / Förderzeitraum 2019 | |
Lizenz (Deutsch): | CC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International |