Development of a Proximity Labeling System to Map the Chlamydia trachomatis Inclusion Membrane
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Development of a Proximity Labeling System to Map the Chlamydia trachomatis Inclusion Membrane
Chlamydia grows within a membrane-bound vacuole termed an inclusion. The cellular processes that support the biogenesis and integrity of this pathogen-specified parasitic organelle are not understood. Chlamydia secretes integral membrane proteins called Incs that insert into the chlamydial inclusion membrane (IM). Incs contain at least two hydrophobic transmembrane domains flanked by termini, w...
متن کاملCharacterization of interactions between inclusion membrane proteins from Chlamydia trachomatis
Chlamydiae are obligate intracellular pathogens of eukaryotes. The bacteria grow in an intracellular vesicle called an inclusion, the membrane of which is heavily modified by chlamydial proteins called Incs (Inclusion membrane proteins). Incs represent 7-10% of the genomes of Chlamydia and, given their localization at the interface between the host and the pathogen, likely play a key role in th...
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Cholesterol, a lipid not normally found in prokaryotes, was identified in purified Chlamydia trachomatis elementary bodies and in the chlamydial parasitophorous vacuole (inclusion) membrane of infected HeLa cells. Chlamydiae obtained eukaryotic host cell cholesterol both from de novo synthesis or low-density lipoprotein. Acquisition of either de novo-synthesized cholesterol or low-density lipop...
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Productive developmental cycle of the obligate intracellular bacterial pathogen Chlamydia trachomatis depends on the interaction of the replicative vacuole, named the inclusion, with cellular organelles. We have recently reported the formation of ER-Inclusion membrane contact sites (MCSs), where the endoplasmic reticulum (ER) is in apposition to the inclusion membrane. These platforms contain t...
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During infection with Chlamydia trachomatis, CD8(+) T cells are primed, even though the bacteria remain confined to a host cell vacuole throughout their developmental cycle. Because CD8(+) T cells recognize antigens processed from cytosolic proteins, the Chlamydia antigens recognized by these CD8(+) T cells very likely have access to the host cell cytoplasm during infection. The identity of the...
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ژورنال
عنوان ژورنال: Frontiers in Cellular and Infection Microbiology
سال: 2017
ISSN: 2235-2988
DOI: 10.3389/fcimb.2017.00040