Bacterial Proteins 1 Bacterial stringent response 1 Biodegradation 1 Biodegradation, Environmental 1 Biofilms 1 Poly(ethylene terephthalate) Polyesters 1 Polyethylene Terephthalates 1 Polylactide 1 Serratia 1 bacterial protein 1 biofilm 1 bioremediation 1 chemistry 1 growth, development and aging 1 metabolism 1 polyester 1 polyethylene terephthalate 1 polylactide 1