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Biofilm Formation and Degradation of Commercially Available Biodegradable Plastic Films by Bacterial Consortiums in Freshwater Environments

Microbes and Environments 2018 112 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Tomohiro Morohoshi, Tomohiro Morohoshi, Tomohiro Morohoshi, Tomohiro Morohoshi, Taishiro Oi, Taishiro Oi, Taishiro Oi, Taishiro Oi, Tetsuo Okura, Tetsuo Okura, Tetsuo Okura, Tomohiro Suzuki, Tetsuo Okura, Haruna Aiso, Tomohiro Suzuki, Shunsuke Sato Shunsuke Sato Shunsuke Sato Tomohiro Suzuki, Tetsuo Okura, Shunsuke Sato Tetsuo Okura, Shunsuke Sato Shunsuke Sato

Summary

Researchers investigated biofilm formation on biodegradable PHBH plastic films in freshwater samples, finding that bacteria from the order Burkholderiales — particularly the genera Acidovorax and Undibacterium — dominated the biofilm community. Of 28 PHBH-degrading isolates, 25 were assigned to Acidovorax, identifying this genus as the primary degrader of PHBH films in freshwater environments.

Study Type Environmental

We investigated biofilm formation on biodegradable plastics in freshwater samples. Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) was covered by a biofilm after an incubation in freshwater samples. A next generation sequencing analysis of the bacterial communities of biofilms that formed on PHBH films revealed the dominance of the order Burkholderiales. Furthermore, Acidovorax and Undibacterium were the predominant genera in most biofilms. Twenty-five out of 28 PHBH-degrading isolates were assigned to the genus Acidovorax, while the other three were assigned to the genera Undibacterium and Chitinimonas. These results demonstrated that the order Burkholderiales in biofilms functions as a degrader of PHBH films.

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