Subjugation of the Individual; Prokaryotic Group Living – Blooms, Slime and Mats

  • Luis P. Villarreal

Goals of this Chapter

The last two chapters traced the molecular origins of prokaryotic group identification and sensory systems. Genetic parasites, toxins and antitoxins were presented and stressed as relevant and basic elements. The role of pheromones, flagella motility, light detection and slime production are all part of the basic systems used by bacteria to control group identity and behavior. In this chapter, I will extend these issues to consider the evolution of large bacterial communities as initially seen in stromatolite fossils. The focus will be on filamentous and mat-forming oceanic cyanobacteria. As before, the role of genetic parasites (phage) as well as the presence of addiction (T/A) modules will be evaluated as possible sources of genetic novelty and group identity. Thus, these ancient and large communities of cyanobacteria provide the foundation for the evolution of eukaryotes. How these specific bacteria developed systems of group identification and maintain colony...


Group Identity Toxin Production Domoic Acid Filamentous Cyanobacterium Light Production 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.University of CaliforniaIrvineUSA

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