Quorum Sensing pp 193-202 | Cite as

Identification of AHL- and BDSF-Controlled Proteins in Burkholderia cenocepacia by Proteomics

  • Yilei Liu
  • Gabriella Pessi
  • Katharina Riedel
  • Leo Eberl
Part of the Methods in Molecular Biology book series (MIMB, volume 1673)


We used comparative proteome analysis to determine the target genes of the two quorum sensing (QS) circuits in the opportunistic pathogen Burkholderia cenocepacia: the N-acyl homoserine lactone (AHL)-based CepIR system and the BDSF (Burkholderia diffusible signal factor, cis-2-dodecenoic acid)-based RpfFR system. In this book chapter, we focus on the description of the practical procedure we currently use in the laboratory to perform a sensitive GeLC-MS/MS shotgun proteomics experiment; we also briefly describe the downstream bioinformatic data analysis.

Key words

Quorum sensing Cell fractionation SDS-PAGE In-gel tryptic digestion Mass spectrometry 



We thank Christian Ahrens (Agroscope Wädenswil & Swiss Institute of Bioinformatics SIB, Switzerland) for carefully reading and commenting this book chapter. We acknowledge the Swiss National Foundation for Scientific Research for support (Project 31003A_153374 to GP and 31003A-143773 to LE).


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Copyright information

© Springer Science+Business Media LLC 2018

Authors and Affiliations

  • Yilei Liu
    • 1
  • Gabriella Pessi
    • 1
  • Katharina Riedel
    • 2
  • Leo Eberl
    • 1
  1. 1.Department of Plant and Microbial BiologyUniversity of ZurichZurichSwitzerland
  2. 2.Institute of MicrobiologyUniversity of GreifswaldGreifswaldGermany

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