Animal Group Identity: From Slime to Worms, Emergence of the Brain

  • Luis P. Villarreal

Goals of This Chapter, from Slime to Worms

The prior two chapters have presented many details concerning mechanisms used by unicellular (mainly oceanic) organisms to attain group identification. Quorum-sensing systems, T/A addiction modules (often redox based), ion channel toxins and rhodopsin sensory receptors were all evaluated, especially regarding how such systems can affect single or group cellular motility of flagellate or gliding organisms. Genomic and epigenomic parasites were often involved in these systems. Also, all of these molecular systems are often found to be associated with flagella as a focus of sensory receptors and motility effectors. In this chapter, I will examine how these same processes have been involved in, been modified by or contributed to the evolution of motile multicellular organisms. Since it is our final aim to understand human systems of group identification, our pathway will stay focused mainly on organisms that have clear relationship to human...


Brown Alga Rice Blast Killer Toxin RNAi System Fungal Lineage 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.University of CaliforniaIrvineUSA

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