期刊
CELLULAR MICROBIOLOGY
卷 17, 期 7, 页码 959-966出版社
WILEY
DOI: 10.1111/cmi.12455
关键词
-
资金
- NIH [R01-AI101441]
Chlamydiae and chlamydiae-related organisms are obligate intracellular bacterial pathogens. They reside in a membrane-bound compartment termed the inclusion and have evolved sophisticated mechanisms to interact with cellular organelles. This review focuses on the nature, the function(s) and the consequences of chlamydiae-inclusion interaction with the endoplasmic reticulum (ER). The inclusion membrane establishes very close contact with the ER at specific sites termed ER-inclusion membrane contact sites (MCSs). These MCSs are constituted of a specific set of factors, including the C.trachomatis effector protein IncD and the host cell proteins CERT and VAPA/B. Because CERT and VAPA/B have a demonstrated role in the non-vesicular trafficking of lipids between the ER and the Golgi, it was proposed that Chlamydia establish MCSs with the ER to acquire host lipids. However, the recruitment of additional factors to ER-inclusion MCSs, such as the ER calcium sensor STIM1, may suggest additional functions unrelated to lipid acquisition. Finally, chlamydiae interaction with the ER appears to induce the ER stress response, but this response is quickly dampened by chlamydiae to promote host cell survival.
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