Proteomics of Protein Secretion by Bacillus subtilis: Separating the “Secrets” of the Secretome
By H. Tjalsma, H. Antelmann, J. Jongbloed, P. Braun, E. Darmon, R. Dorenbos, J. Dubois, H. Westers, Geeske Zanen, W. Quax and 4 more. Microbiology and Molecular Biology Reviews, 2004
596 citations recorded by the source corpus.
SUMMARY Secretory proteins perform a variety of important“ remote-control” functions for bacterial survival in the environment. The availability of complete genome sequences has allowed us to make predictions about the composition of bacterial machinery for protein secretion as well as the extracellular complement of bacterial proteomes. Recently, the power of proteomics was successfully employed to evaluate genome-based models of these so-called secretomes. Progress in this field is well illustrated by the proteomic analysis of protein secretion by the gram-positive bacterium Bacillus subtilis, for which ∼90 extracellular proteins were identified. Analysis of these proteins disclosed various“ secrets of the secretome,” such as the residence of cytoplasmic and predicted cell envelope proteins in the extracellular proteome. This showed that genome-based predictions reflect only∼ 50% of the actual composition of the extracellular proteome of B. subtilis. Importantly, proteomics allowed the first verification of the impact of individual secretion machinery components on the total flow of proteins from the cytoplasm to the extracellular environment. In conclusion, proteomics has yielded a variety of novel leads for the analysis of protein traffic in B. subtilis and other gram-positive bacteria. Ultimately, such leads will serve to increase our understanding of virulence factor biogenesis in gram-positive pathogens, which is likely to be of high medical relevance.
Subfields: Ecology, Genetics, Molecular Biology
View Paper: https://www.semanticscholar.org/paper/ff1b3e817c5ee0c1db31efb74dce05eab7825ff5
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Genetics
In Molecular Biology
- Søren Brunak
- Jannick Dyrløv Bendtsen
- Anders Fausbøll
- Lars Kiemer
- Kuo-Chen Chou
- Hongbin Shen
- Henrik Nielsen
- G. von Heijne
Citations in the corpus
- Gram‐positive bacteria produce membrane vesicles: Proteomics‐based characterization of Staphylococcus aureus‐derived membrane vesicles (2009, background): “Bacterial protein secretion is important for cell-to-cell communication, detoxification of environmental stress, sensing of nutrients, and elimination of competitors [1].”
- Non-classical protein secretion in bacteria (2005, methodology): “The B. subtilis proteins with known extracellular functions (CwlC, FlgK, FliD, XepA, XkdG, XkdK, XkdM, XlyA) [27] receive high scores when evaluated by the prediction method except for two (Hag & XkdG).”