Journal
EXTREMOPHILES
Volume 13, Issue 1, Pages 67-79Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s00792-008-0199-x
Keywords
Archaea; Sulfolobus; Cell envelope; Proteome
Categories
Funding
- Netherlands Proteomics Centre (NPC)
- Netherlands Science Organization (NWO)
- Max-Planck Society
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The crenarchaea Sulfolobus acidocaldarius, S. solfataricus and S. tokodaii, release membrane vesicles into the medium. These membrane vesicles consist of tetraether lipids and are coated with an S-layer. A proteomic analysis reveals the presence of proteins homologous to subunits of the eukaryotic endosomal sorting complex required for transport (ESCRT). Immunodetection of one of these homologs suggest a cell surface localization in intact cells. These data suggest that the membrane vesicles in Sulfolobus sp. emerge from a specific budding process with similarity to the endosomal sorting pathway.
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