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Polyethylene terephthalate (PET) primary degradation products affect c-di-GMP-, cAMP-signaling, and quorum sensing (QS) in Vibrio gazogenes DSM 21264
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The marine bacterium Vibrio gazogenes was shown to secrete an active PET hydrolase and degrade PET plastics in biofilms, with primary degradation products BHET and terephthalic acid found to profoundly affect c-di-GMP and cAMP signaling and quorum sensing, revealing how PET breakdown products alter bacterial physiology.
This study provides the first evidence that Vibrio gazogenes DSM 21264 secretes an active polyethylene terephthalate (PET) hydrolase and degrades the polymer using PET6 when growing in biofilms on foils and microplastic particles. The study further provides evidence that the primary PET degradation products bis(2-hydroxyethyl) terephthalate (BHET) and terephthalic acid (TPA) may have a profound impact on the global QS, c-di-GMP, and cAMP-CRP signaling of V. gazogenes and its capability to colonize plastic particles in the marine environment.
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Polyethylene terephthalate (PET) primary degradation products affect c-di-GMP-, cAMP-signaling and quorum sensing (QS) in Vibrio gazogenes DSM 21264
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Researchers investigated the expression of the PET-degrading esterase PET6 in Vibrio gazogenes DSM 21264, finding that PET primary degradation products alter c-di-GMP and cAMP signaling and quorum sensing in this plastisphere bacterium, revealing molecular mechanisms by which plastic degradation byproducts influence bacterial behavior.
Polyethylene Terephthalate (PET) Primary Degradation Products Affect c-di-GMP-, cAMP-Signaling, and Quorum Sensing (QS) in Vibrio gazogenes DSM 21264
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Researchers investigated the expression of the PET-degrading esterase gene pet6 in Vibrio gazogenes DSM 21264 grown on PET and PE surfaces, finding that PET primary degradation products affect c-di-GMP and cAMP signaling pathways and quorum sensing, revealing how plastic degradation byproducts influence bacterial gene regulation in the plastisphere.
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