English
 
Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
 
 
DownloadE-Mail
  The Terrestrial Plastisphere: Diversity and Polymer-Colonizing Potential of Plastic-Associated Microbial Communities in Soil

MacLean, J., Mayanna, S., Benning, L. G., Horn, F., Bartholomäus, A., Wiesner, Y., Wagner, D., Liebner, S. (2021): The Terrestrial Plastisphere: Diversity and Polymer-Colonizing Potential of Plastic-Associated Microbial Communities in Soil. - Microorganisms, 9, 9, 1876.
https://doi.org/10.3390/microorganisms9091876

Item is

Basic

show hide
Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5007681 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5007681_1
Genre: Journal Article

Files

show Files
hide Files
:
5007681.pdf (Publisher version), 6MB
Name:
5007681.pdf
Description:
-
Visibility:
Public
MIME-Type / Checksum:
application/pdf / [MD5]
Technical Metadata:
Copyright Date:
-
Copyright Info:
CC BY 4.0

Locators

show

Creators

show
hide
 Creators:
MacLean, Joana1, Author              
Mayanna, S.2, Author              
Benning, Liane G.2, Author              
Horn, Fabian1, Author              
Bartholomäus, Alexander1, Author              
Wiesner, Yosri3, Author
Wagner, D.1, Author              
Liebner, Susanne1, Author              
Affiliations:
13.7 Geomicrobiology, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146043              
23.5 Interface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_754888              
3External Organizations, ou_persistent22              

Content

show
hide
Free keywords: plastisphere; plastic pollution; soil microbial community; microbial diversity; biofilms; microbe–plastic interactions; polyethylene colonization; FESEM imaging
 Abstract: The concept of a ‘plastisphere microbial community’ arose from research on aquatic plastic debris, while the effect of plastics on microbial communities in soils remains poorly understood. Therefore, we examined the inhabiting microbial communities of two plastic debris ecosystems with regard to their diversity and composition relative to plastic-free soils from the same area using 16S rRNA amplicon sequencing. Furthermore, we studied the plastic-colonizing potential of bacteria originating from both study sites as a measure of surface adhesion to UV-weathered polyethylene (PE) using high-magnification field emission scanning electron microscopy (FESEM). The high plastic content of the soils was associated with a reduced alpha diversity and a significantly different structure of the microbial communities. The presence of plastic debris in soils did not specifically enrich bacteria known to degrade plastic, as suggested by earlier studies, but rather shifted the microbial community towards highly abundant autotrophic bacteria potentially tolerant to hydrophobic environments and known to be important for biocrust formation. The bacterial inoculates from both sites formed dense biofilms on the surface and in micrometer-scale surface cracks of the UV-weathered PE chips after 100 days of in vitro incubation with visible threadlike EPS structures and cross-connections enabling surface adhesion. High-resolution FESEM imaging further indicates that the microbial colonization catalyzed some of the surface degradation of PE. In essence, this study suggests the concept of a ‘terrestrial plastisphere’ as a diverse consortium of microorganisms including autotrophs and other pioneering species paving the way for those members of the consortium that may eventually break down the plastic compounds.

Details

show
hide
Language(s): eng - English
 Dates: 2021-09-032021
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.3390/microorganisms9091876
GFZPOF: p4 T5 Future Landscapes
OATYPE: Gold Open Access
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Microorganisms
Source Genre: Journal, SCI, oa
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 9 (9) Sequence Number: 1876 Start / End Page: - Identifier: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/160524
Publisher: MDPI