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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Enrichment of endophytic Actinobacteria in roots and rhizomes of Miscanthus x giganteus plants exposed to diclofenac and sulfamethoxazole.
Environ. Sci. Pollut. Res. 27, 11892–11904 (2020)
This study investigates how wastewater containing 2 mg l(-1) of sulfamethoxazole (SMX) and 2 mg l(-1) of diclofenac (DCF) affects the composition of bacterial communities present in the roots and rhizomes of Miscanthus x giganteus plants grown in laboratory-scale constructed wetlands. Bacterial communities in plant roots and rhizomes were identified in treated and control samples by 16S rRNA amplicon sequencing. Moreover, bacterial endophytes were isolated in R2A and 1/10 869 media and screened for their ability to metabolize SMX and DCF in liquid medium by HPLC. Our results show significant changes in the abundance of main genera, namely Sphingobium and Streptomyces between control and treated plants. Around 70% of the strains isolated from exposed plants belonged to the phylum Actinobacteria and were classified as Streptomyces, Microbacterium, and Glycomyces. In non-exposed plants, Proteobacteria represented 43.5% to 63.6% of the total. We identified 17 strains able to remove SMX and DCF in vitro. From those, 76% were isolated from exposed plants. Classified mainly as Streptomyces, they showed the highest SMX (33%) and DCF (41%) removal efficiency. These isolates, alone or in combination, might be used as bio-inoculants in constructed wetlands to enhance the phytoremediation of SMX and DCF during wastewater treatment.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Phytoremediation ; Biodegradation ; Constructed Wetlands ; Pharmaceuticals ; Antibiotics ; Endophytes ; Plant Microbiome; Resistant Bacteria; Constructed Wetlands; Biodegradation; Pharmaceuticals; Carbamazepine; Antibiotics; Fate; Identification; Transformation; Environment
ISSN (print) / ISBN
0944-1344
e-ISSN
1614-7499
Zeitschrift
Environmental Science and Pollution Research
Quellenangaben
Band: 27,
Seiten: 11892–11904
Verlag
Springer
Verlagsort
Tiergartenstrasse 17, D-69121 Heidelberg, Germany
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed