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Analysis of Polycaprolactone Microfibers as Biofilm Carriers for Biotechnologically Relevant Bacteria

TitleAnalysis of Polycaprolactone Microfibers as Biofilm Carriers for Biotechnologically Relevant Bacteria
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2018
AuthorsTamayo-Ramos, J.A., Rumbo C., Caso M.F., Rinaldi Antonio, Garroni S., Notargiacomo A., Romero-Santacreu L., and Cuesta-López S.
JournalACS Applied Materials and Interfaces
ISSN19448244
Abstract

Polymeric electrospun fibers are becoming popular in microbial biotechnology because of their exceptional physicochemical characteristics, biodegradability, surface-to-volume ratio, and compatibility with biological systems, which give them a great potential as microbial supports to be used in production processes or environmental applications. In this work, we analyzed and compared the ability of Escherichia coli, Pseudomonas putida, Brevundimonas diminuta, and Sphingobium fuliginis to develop biofilms on different types of polycaprolactone (PCL) microfibers. These bacterial species are relevant in the production of biobased chemicals, enzymes, and proteins for therapeutic use and bioremediation. The obtained results demonstrated that all selected species were able to attach efficiently to the PCL microfibers. Also, the ability of pure cultures of S. fuliginis (former Flavobacterium sp. ATCC 27551, a very relevant strain in the bioremediation of organophosphorus compounds) to form dense biofilms was observed for the first time, opening the possibility of new applications for this microorganism. This material showed to have a high microbial loading capacity, regardless of the mesh density and fiber diameter. A comparative analysis between PCL and polylactic acid (PLA) electrospun microfibers indicated that both surfaces have a similar bacterial loading capacity, but the former material showed higher resistance to microbial degradation than PLA. © 2018 American Chemical Society.

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cited By 0; Article in Press

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85053639401&doi=10.1021%2facsami.8b07245&partnerID=40&md5=c9bceb092918b5bfe8aae60b280ff01f
DOI10.1021/acsami.8b07245
Citation KeyTamayo-Ramos2018