NDLI: Rottlerin Inhibits Chlamydial Intracellular Growth and Blocks Chlamydial Acquisition of Sphingolipids from Host Cells▿

Content Provider	PubMed Central
Author	Pooja, Shivshankar Lei, Lei Wang, Jie Zhong, Guangming
Abstract	We report that rottlerin, a plant-derived compound known to inhibit various mammalian kinases, profoundly inhibited chlamydial growth in cell culture with a minimal inhibition concentration of 1 μM. The inhibition was effective even when rottlerin was added as late as the middle stage of chlamydial infection cycle, against multiple Chlamydia species, and in different host cell lines. Pretreatment of host cells with rottlerin prior to infection also blocked chlamydial growth, suggesting that rottlerin targets host factors. Moreover, rottlerin did not alter the chlamydial infection rate and did not directly target chlamydial protein synthesis and secretion. The rottlerin-mediated inhibition of chlamydial replication and inclusion expansion correlated well with the rottlerin-induced blockade of host cell sphingolipid trafficking from the Golgi apparatus into chlamydial inclusions. These studies not only allowed us to identify a novel antimicrobial activity for rottlerin but also allowed us to uncover a potential mechanism for rottlerin inhibition of chlamydial growth.
Related Links	http://dx.doi.org/10.1128/aem.02151-07
Ending Page	1249
Page Count	7
Starting Page	1243
File Format	PDF
ISSN	00992240
e-ISSN	10985336
Journal	Applied and Environmental Microbiology
Issue Number	4
Volume Number	74
Language	English
Publisher	American Society for Microbiology (ASM)
Publisher Date	2008-02-15
Access Restriction	Open
Rights Holder	American Society for Microbiology (ASM)
Subject Keyword	Biotechnology Food Science Ecology Applied Microbiology and Biotechnology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Ecology Food Science Applied Microbiology and Biotechnology Biotechnology

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