Cooperation and conflict in quorum-sensing bacterial populations Export

@article{citeulike:1916523, abstract = {It has been suggested that bacterial cells communicate by releasing and sensing small diffusible signal molecules in a process commonly known as quorum sensing (QS). It is generally assumed that QS is used to coordinate cooperative behaviours at the population level. However, evolutionary theory predicts that individuals who communicate and cooperate can be exploited. Here we examine the social evolution of QS experimentally in the opportunistic pathogen Pseudomonas aeruginosa, and show that although QS can provide a benefit at the group level, exploitative individuals can avoid the cost of producing the QS signal or of performing the cooperative behaviour that is coordinated by QS, and can therefore spread. We also show that a solution to the problem of exploitation is kin selection, if interacting bacterial cells tend to be close relatives. These results show that the problem of exploitation, which has been the focus of considerable attention in animal communication, also arises in bacteria.}, author = {Diggle, Stephen P. and Griffin, Ashleigh S. and Campbell, Genevieve S. and West, Stuart A.}, citeulike-article-id = {1916523}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/nature06279}, citeulike-linkout-1 = {http://dx.doi.org/10.1038/nature06279}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/18004383}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=18004383}, day = {15}, doi = {10.1038/nature06279}, issn = {1476-4687}, journal = {Nature}, keywords = {bacteria, behaviour, cheating}, month = {November}, number = {7168}, pages = {411--414}, posted-at = {2008-02-13 22:18:38}, priority = {2}, publisher = {Nature Publishing Group}, title = {Cooperation and conflict in quorum-sensing bacterial populations}, url = {http://dx.doi.org/10.1038/nature06279}, volume = {450}, year = {2007} }

TY - JOUR ID - citeulike:1916523 L3 - citeulike-article-id:1916523 N2 - It has been suggested that bacterial cells communicate by releasing and sensing small diffusible signal molecules in a process commonly known as quorum sensing (QS). It is generally assumed that QS is used to coordinate cooperative behaviours at the population level. However, evolutionary theory predicts that individuals who communicate and cooperate can be exploited. Here we examine the social evolution of QS experimentally in the opportunistic pathogen Pseudomonas aeruginosa, and show that although QS can provide a benefit at the group level, exploitative individuals can avoid the cost of producing the QS signal or of performing the cooperative behaviour that is coordinated by QS, and can therefore spread. We also show that a solution to the problem of exploitation is kin selection, if interacting bacterial cells tend to be close relatives. These results show that the problem of exploitation, which has been the focus of considerable attention in animal communication, also arises in bacteria. IS - 7168 JF - Nature SN - 1476-4687 EP - 414 TI - Cooperation and conflict in quorum-sensing bacterial populations PB - Nature Publishing Group VL - 450 SP - 411 KW - bacteria KW - behaviour KW - cheating AU - Diggle, Stephen AU - Griffin, Ashleigh AU - Campbell, Genevieve AU - West, Stuart PY - 2007/11/15/ UR - http://dx.doi.org/10.1038/nature06279 ER -