The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg

Chlamydia trachomatis serovars are obligate intracellular bacterial pathogens mainly causing ocular and urogenital infections that affect millions of people worldwide and which can lead to blindness or sterility. They reside and multiply intracellularly within a membrane-bound vacuolar compartment,...

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Main Authors: Joana N. Bugalhão, Luís Jaime Mota
Format: Article
Language:English
Published: Shared Science Publishers OG 2019-08-01
Series:Microbial Cell
Subjects:
Online Access:http://microbialcell.com/researcharticles/2019a-bugalhao-microbial-cell/
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author Joana N. Bugalhão
Luís Jaime Mota
author_facet Joana N. Bugalhão
Luís Jaime Mota
author_sort Joana N. Bugalhão
collection DOAJ
description Chlamydia trachomatis serovars are obligate intracellular bacterial pathogens mainly causing ocular and urogenital infections that affect millions of people worldwide and which can lead to blindness or sterility. They reside and multiply intracellularly within a membrane-bound vacuolar compartment, known as inclusion, and are characterized by a developmental cycle involving two morphologically and physiologically distinct chlamydial forms. Completion of the developmental cycle involves the secretion of > 70 C. trachomatis proteins that function in the host cell cytoplasm and nucleus, in the inclusion membrane and lumen, and in the extracellular milieu. These proteins can, for example, interfere with the host cell cytoskeleton, vesicular and non-vesicular transport, metabolism, and immune signalling. Generally, this promotes C. trachomatis invasion into, and escape from, host cells, the acquisition of nutrients by the chlamydiae, and evasion of cell-autonomous, humoral and cellular innate immunity. Here, we present an in-depth review on the current knowledge and outstanding questions about these C. trachomatis secreted proteins.
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spelling doaj.art-2d2a90cfa9cc444ca086aac92a9947c52025-03-12T13:46:42ZengShared Science Publishers OGMicrobial Cell2311-26382019-08-016941444910.15698/mic2019.09.691The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the icebergJoana N. Bugalhão0Luís Jaime Mota1UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal.UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal.Chlamydia trachomatis serovars are obligate intracellular bacterial pathogens mainly causing ocular and urogenital infections that affect millions of people worldwide and which can lead to blindness or sterility. They reside and multiply intracellularly within a membrane-bound vacuolar compartment, known as inclusion, and are characterized by a developmental cycle involving two morphologically and physiologically distinct chlamydial forms. Completion of the developmental cycle involves the secretion of > 70 C. trachomatis proteins that function in the host cell cytoplasm and nucleus, in the inclusion membrane and lumen, and in the extracellular milieu. These proteins can, for example, interfere with the host cell cytoskeleton, vesicular and non-vesicular transport, metabolism, and immune signalling. Generally, this promotes C. trachomatis invasion into, and escape from, host cells, the acquisition of nutrients by the chlamydiae, and evasion of cell-autonomous, humoral and cellular innate immunity. Here, we present an in-depth review on the current knowledge and outstanding questions about these C. trachomatis secreted proteins.http://microbialcell.com/researcharticles/2019a-bugalhao-microbial-cell/host-pathogen interactionsChlamydia trachomatisprotein secretiontype III secretioneffectors
spellingShingle Joana N. Bugalhão
Luís Jaime Mota
The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
Microbial Cell
host-pathogen interactions
Chlamydia trachomatis
protein secretion
type III secretion
effectors
title The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
title_full The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
title_fullStr The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
title_full_unstemmed The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
title_short The multiple functions of the numerous Chlamydia trachomatis secreted proteins: the tip of the iceberg
title_sort multiple functions of the numerous chlamydia trachomatis secreted proteins the tip of the iceberg
topic host-pathogen interactions
Chlamydia trachomatis
protein secretion
type III secretion
effectors
url http://microbialcell.com/researcharticles/2019a-bugalhao-microbial-cell/
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