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Proteomic analysis ...
Proteomic analysis reveals a virtually complete set of proteins for translation and energy generation in elementary bodies of the amoeba symbiont Protochlamydia amoebophila
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- Sixt, Barbara Susanne (author)
- Department of Microbial Ecology, University of Vienna, Vienna, Austria
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Heinz, Christian (author)
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Pichler, Peter (author)
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Heinz, Eva (author)
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Montanaro, Jacqueline (author)
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Op den Camp, Huub J.M. (author)
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Ammerer, Gustav (author)
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Mechtler, Karl (author)
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Wagner, Michael (author)
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Horn, Matthias (author)
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(creator_code:org_t)
- 2011-04-18
- 2011
- English.
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In: Proteomics. - : Wiley-VCH Verlagsgesellschaft. - 1615-9853 .- 1615-9861. ; 11:10, s. 1868-1892
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Chlamydiae belong to the most successful intracellular bacterial pathogens. They display a complex developmental cycle and an extremely broad host spectrum ranging from vertebrates to protozoa. The family Chlamydiaceae comprises exclusively well-known pathogens of humans and animals, whereas the members of its sister group, the Parachlamydiaceae, naturally occur as symbionts of free-living amoebae. Comparative analysis of these two groups provides valuable insights into chlamydial evolution and mechanisms for microbe-host interaction. Based on the complete genome sequence of the Acanthamoeba spp. symbiont Protochlamydia amoebophila UWE25, we performed the first detailed proteome analysis of the infectious stage of a symbiotic chlamydia. A 2-D reference proteome map was established and the analysis was extensively complemented by shotgun proteomics. In total, 472 proteins were identified, which represent 23.2% of all encoded proteins. These cover a wide range of functional categories, including typical house-keeping proteins, but also putative virulence-associated proteins. A number of proteins that are not encoded in genomes of Chlamydiaceae were observed and the expression of 162 proteins classified as hypothetical or unknown proteins could be demonstrated. Our findings indicate that P. amoebophila exploits its additional genetic repertoire (compared with the Chlamydiaceae), and that its elementary bodies are remarkably well equipped with proteins involved in transcription, translation, and energy generation.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Proteomics
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- By the author/editor
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Sixt, Barbara Su ...
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Heinz, Christian
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Pichler, Peter
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Heinz, Eva
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Montanaro, Jacqu ...
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Op den Camp, Huu ...
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show more...
-
Ammerer, Gustav
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Mechtler, Karl
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Wagner, Michael
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Horn, Matthias
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
- Articles in the publication
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Proteomics
- By the university
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Umeå University