BioRxiv :
This work reveals a new bacterial behaviour that manifests at the air-liquid interface, which depends on production of cellulose, and hints to hitherto unrecognised dimensions to bacterial life at surfaces. Additionally, the study links activation of known diguanylate cyclase-encoding pathways to cellulose expression and to signals encountered at the air-liquid interface. Further significance stems from recognition of the consequences of fluid instabilities arising from surface production of cellulose for transport of water-soluble products over large distances.

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