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Multicellular behavior and bacterial domestication. Bacteria were long thought to take up nutrients, grow, and divide as individual unicellular organisms. However, this strict unicellular view has been challenged by the discovery of bacterial cell-to-cell communication systems and the observation of rudimentary multicellular behaviors. Perhaps one reason that bacterial multicellularity had gone unnoticed was the fact our cultivation techniques have selected against cell-cell interactions in favor of rapid growth as dispersed cells. Such is the case for our model system of choice, Bacillus subtilis. Laboratory strains of B. subtilis have been selected for ease of manipulation to create a powerful model genetic system at the expense of more complex biology. Our research returns to the study of wild strains of B. subtilis and two of the multicellular behaviors that were lost during laboratory strain domestication: swarming motility and biofilm formation. Each behavior appears to be an opposing and exclusive multicellular state in which swarming favors population dispersal while biofilm formation favors persistence.
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APPLIED AND ENVIRONMENTAL MICROBIOLOGYno. 1 (2024): e0054823-e0054823
JOURNAL OF MOLECULAR BIOLOGYno. 4 (2024): 168419-168419
biorxiv(2024)
bioRxiv (Cold Spring Harbor Laboratory) (2023)
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bioRxiv : the preprint server for biology (2023)
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