Nitrogen fixing bacteria facilitate microbial biodegradation of a bio-based and biodegradable plastic in soils under ambient and future climatic conditions

Benjawan Tanunchai; Stefan Kalkhof; Vusal Guliyev; Sara Fareed Mohamed Wahdan; Dennis Krstic; Martin Schädler; Andreas Geissler; Bruno Glaser; François Buscot; Evgenia Blagodatskaya; Matthias Noll; Witoon Purahong

doi:10.1039/D1EM00426C

Nitrogen fixing bacteria facilitate microbial biodegradation of a bio-based and biodegradable plastic in soils under ambient and future climatic conditions†

Benjawan Tanunchai,

‡^ab Stefan Kalkhof,

‡^c Vusal Guliyev,‡^ad Sara Fareed Mohamed Wahdan,^ae Dennis Krstic,^c Martin Schädler,^fg Andreas Geissler,^h Bruno Glaser,ⁱ François Buscot,

^ag Evgenia Blagodatskaya,^aj Matthias Noll

*^bc and Witoon Purahong

*^a

Author affiliations

* Corresponding authors

^a UFZ-Helmholtz Centre for Environmental Research, Department of Soil Ecology, Theodor-Lieser-Str. 4, D-06120 Halle (Saale), Germany
E-mail: witoon.purahong@ufz.de

^b Bayreuth Center of Ecology and Environmental Research (BayCEER), University of Bayreuth, Bayreuth, Germany

^c Coburg University of Applied Sciences and Arts, Institute for Bioanalysis, Friedrich-Streib-Str. 2, D-96450 Coburg, Germany
E-mail: matthias.noll@hs-coburg.de

^d Institute of Soil Science and Agrochemistry of Azerbaijan National Academy of Sciences, M.Rahim, Baku, Azerbaijan

^e Department of Botany, Faculty of Science, Suez Canal University, Ismailia, Egypt

^f UFZ-Helmholtz Centre for Environmental Research, Department of Community Ecology, Theodor-Lieser-Str. 4, D-06120 Halle (Saale), Germany

^g German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, D-04103 Leipzig, Germany

^h Department of Macromolecular Chemistry and Paper Chemistry, Technical University of Darmstadt, Darmstadt D-64287, Germany

ⁱ Soil Biogeochemistry, Martin Luther University Halle-Wittenberg, Von-Seckendorff-Platz 3, 06120 Halle, Germany

^j RUDN University, 6 Miklukho-Maklaya St, Moscow, Russia

Abstract

We discovered a biological mechanism supporting microbial degradation of bio-based poly(butylene succinate-co-adipate) (PBSA) plastic in soils under ambient and future climates. Here, we show that nitrogen-fixing bacteria facilitate the microbial degradation of PBSA by enhancing fungal abundance, accelerating plastic-degrading enzyme activities, and shaping/interacting with plastic-degrading fungal communities.

This article is part of the themed collections: Contaminant remediation and fate, Environmental Science: Processes & Impacts Recent HOT Articles and Urgent communications in RSC Environmental Science journals

Environmental Science: Processes & Impacts

Nitrogen fixing bacteria facilitate microbial biodegradation of a bio-based and biodegradable plastic in soils under ambient and future climatic conditions†

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Nitrogen fixing bacteria facilitate microbial biodegradation of a bio-based and biodegradable plastic in soils under ambient and future climatic conditions

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