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Trends Microbiol


Title:Processing and export of peptide pheromones and bacteriocins in Gram-negative bacteria
Author(s):Michiels J; Dirix G; Vanderleyden J; Xi C;
Address:"Center of Microbial and Plant Genetics, Kasteelpark Arenberg 20, B-3001, Heverlee, Belgium. jan.michels@agr.kuleuven.ac.be"
Journal Title:Trends Microbiol
Year:2001
Volume:9
Issue:4
Page Number:164 - 168
DOI: 10.1016/s0966-842x(01)01979-5
ISSN/ISBN:0966-842X (Print) 0966-842X (Linking)
Abstract:"Cell-density-dependent gene expression is widespread in bacteria and is mediated by extracellular communication molecules. Gram-negative bacteria often use N-acyl homoserine lactones, whereas cell-cell signaling in Gram-positive bacteria is accomplished using post-translationally processed peptide pheromones. In many Gram-positive bacteria, export of these peptides requires the activity of a dedicated ATP-binding cassette (ABC) transporter, which cleaves off a typical leader peptide termed the double-glycine leader sequence concomitant with translocation across the membrane. Inspection of bacterial genome sequences has revealed the presence of similar ABC transporters, as well as genes encoding peptides with double-glycine-type leader sequences in Gram-negative bacteria, and it is suggested that the postulated transported peptides could perform a signaling function"
Keywords:"ATP-Binding Cassette Transporters/genetics/*metabolism Amino Acid Sequence Bacteriocins/*metabolism Gene Expression Regulation, Bacterial Gram-Negative Bacteria/*metabolism Molecular Sequence Data Peptides/*metabolism Pheromones/*metabolism Protein Sortin;"
Notes:"MedlineMichiels, J Dirix, G Vanderleyden, J Xi, C eng Research Support, Non-U.S. Gov't Review England 2001/04/05 Trends Microbiol. 2001 Apr; 9(4):164-8. doi: 10.1016/s0966-842x(01)01979-5"

 
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