Abstract
Introduced nearly two decades ago, the concept of multicellularity in bacteria is currently accepted as a general trait of bacterial physiology. The view of bacteria being more than just unicellular, non-organized, selfish organisms is to a large degree based on the findings that division of labor and cell-to-cell communication within bacterial communities are ubiquitous across bacterial species. Bacteria are able to form complex communities in which cells can specialize in a spatiotemporal fashion, using extracellular signals to coordinate the expression of specific genes required for structural development. Despite the enormous progress made by researchers in the field over the past years, knowledge of the molecular mechanisms that govern bacterial multicellularity and biofilm development is scarce and remains a highly interesting field for future research.
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Acknowledgments
The authors thank Hera Vlamakis for critical reading of the manuscript. Financial support from the Swiss National Fund (Project 31003A_122013 to LE) and EU (grant 265862/Paravac to CE) is gratefully acknowledged.
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Aguilar, C., Eichwald, C., Eberl, L. (2015). Multicellularity in Bacteria: From Division of Labor to Biofilm Formation. In: Ruiz-Trillo, I., Nedelcu, A. (eds) Evolutionary Transitions to Multicellular Life. Advances in Marine Genomics, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-9642-2_4
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