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@ARTICLE{Franzkoch:613729,
author = {Franzkoch, Rico and Anand, Aby and Breitsprecher, Leonhard
and Psathaki, Olympia E. and Barisch, Caroline},
title = {{R}esolving exit strategies of mycobacteria in
{D}ictyostelium discoideum by combining high‐pressure
freezing with 3{D} ‐correlative light and electron
microscopy},
journal = {Molecular microbiology},
volume = {121},
number = {3},
issn = {0950-382X},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {PUBDB-2024-05617},
pages = {593-604},
year = {2024},
abstract = {The infection course of Mycobacterium tuberculosis is
highly dynamic and comprises sequential stages that require
damaging and crossing of several membranes to enable the
translocation of the bacteria into the cytosol or their
escape from the host. Many important breakthroughs such as
the restriction of mycobacteria by the autophagy pathway and
the recruitment of sophisticated host repair machineries to
the Mycobacterium-containing vacuole have been gained in the
Dictyostelium discoideum/M. marinum system. Despite the
availability of well-established light and advanced electron
microscopy techniques in this system, a correlative approach
integrating both methods with near-native ultrastructural
preservation is currently lacking. This is most likely due
to the low ability of D. discoideum to adhere to surfaces,
which results in cell loss even after fixation. To address
this problem, we improved the adhesion of cells and
developed a straightforward and convenient workflow for
3D-correlative light and electron microscopy. This approach
includes high-pressure freezing, which is an excellent
technique for preserving membranes. Thus, our method allows
to monitor the ultrastructural aspects of vacuole escape
which is of central importance for the survival and
dissemination of bacterial pathogens.},
cin = {CSSB-FZB-CB},
ddc = {570},
cid = {I:(DE-H253)CSSB-FZB-CB-20230819},
pnm = {899 - ohne Topic (POF4-899) / DFG project
G:(GEPRIS)531703706 - Entschlüsselung der molekularen
Mechanismen des Austritts von Orientia tsutsugamushi aus der
Wirtszelle (531703706) / SFB 1557 P01 - Umbau und Nutzung
der Lipid-Trafficking-Maschinerie der Wirtszelle durch
pathogene Mykobakterien (P01) (516902060) / SFB 944 P25 -
Funktionale Bedeutung des Lipidtransports für die
mykobakterielle Infektion in Dictyostelium (P25)
(442222172)},
pid = {G:(DE-HGF)POF4-899 / G:(GEPRIS)531703706 /
G:(GEPRIS)516902060 / G:(GEPRIS)442222172},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38063129},
UT = {WOS:001119243700001},
doi = {10.1111/mmi.15205},
url = {https://bib-pubdb1.desy.de/record/613729},
}