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Cited by 541

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Mechanism of phagolysosome biogenesis block by viable Mycobacterium tuberculosis

Open access
Vergne, Isabelle, Chua, Jennifer, Lee, Hwang-Ho, Lucas, Megan, Belisle, John, Deretic, Vojo·2005·Proceedings of the National Academy of Sciences

Abstract

Live Mycobacterium tuberculosis persists in macrophage phagosomes by interfering with phagolysosome biogenesis. Here, using four-dimensional microscopy and in vitro assays, we report the principal difference between phagosomes containing live and dead mycobacteria. Phosphatidylinositol 3-phosphate (PI3P), a membrane trafficking regulatory lipid essential for phagosomal acquisition of lysosomal constituents, is retained on phagosomes harboring dead mycobacteria but is continuously eliminated from phagosomes with live bacilli. We show that the exclusion of PI3P from live mycobacterial phagosomes can be only transiently reversed by Ca 2+ fluxes, and that live M. tuberculosis secretes a lipid phosphatase, SapM, that hydrolyzes PI3P, inhibits phagosome–late endosome fusion in vitro , and contributes to inhibition of phagosomal maturation.

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Metadata

Authors
Vergne, I., Chua, J., Lee, H.-H., Lucas, M., Belisle, J., & Deretic, V.
Venue
Proceedings of the National Academy of Sciences
Published
2005-03-07
Volume
102
Issue
11
Pages
4033-4038
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2015648468
Cited by
541
References
3
FWCI
14.61
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Mechanism of phagolysosome biogenesis block by viable Mycobacterium tuberculosis. https://app.cochat.ai/papers/10.1073/pnas.0409716102
The paper
Vergne, I., Chua, J., Lee, H.-H., Lucas, M., Belisle, J., & Deretic, V. (2005). Mechanism of phagolysosome biogenesis block by viable Mycobacterium tuberculosis. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0409716102

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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