Small molecules with big effects: Cyclic di-GMP–mediated stimulation of cellulose production by the amino acid ʟ-arginine

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Sci. Signal.  09 Jun 2015:
Vol. 8, Issue 380, pp. fs12
DOI: 10.1126/scisignal.aac4734

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In this issue of Science Signaling, Mills et al. show that the amino acid ʟ-arginine increases the concentration of the second messenger c-di-GMP in Salmonella enterica serovar Typhimurium through a specific diguanylate cyclase, leading to increased production of the exopolysaccharide cellulose, which is an extracellular matrix component of environmental and host-associated biofilms.

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