Universität zu Köln

Rillig, Matthias C. ORCID: 0000-0003-3541-7853 and Bonkowski, Michael (2018). Microplastic and soil protists: A call for research. Environ. Pollut., 241. S. 1128 - 1132. OXFORD: ELSEVIER SCI LTD. ISSN 1873-6424

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Abstract

Microplastic is an emerging contaminant of concern in soils globally, probably gradually increasing in soil due to slow degradation. Few studies on microplastic effects on soil biota are available, and no study in a microplastic contamination context has specifically addressed soil protists. Soil protists, a phylogenetically and functionally diverse group of eukaryotic, unicellular soil organisms, are major consumers of bacteria in soils and are potentially important vehicles for the delivery of microplastics into the soil food chain. Here we build a case for focusing research on soil protists by drawing on data from previous, older studies of phagocytosis in protist taxa, which have long made use of polystyrene latex beads (micro spheres). Various soil-borne taxa, including ciliates, flagellates and amoebae take up microplastic beads in the size range of a few micrometers. This included filter feeders as well as amoebae which engulf their prey. Discrimination in microplastic particle uptake depended on species, physiological state as well as particle size. Based on the results of the studies we review here, there is now a need to study microplastic effects in a pollution ecology context: this means considering a broad range of particle types under realistic conditions in the soil, and exploring longer-term effects on soil protist communities and functions. (C) 2018 Elsevier Ltd. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rillig, Matthias C. UNSPECIFIED orcid.org/0000-0003-3541-7853 UNSPECIFIED Bonkowski, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-170218
DOI:	10.1016/j.envpol.2018.04.147
Journal or Publication Title:	Environ. Pollut.
Volume:	241
Page Range:	S. 1128 - 1132
Date:	2018
Publisher:	ELSEVIER SCI LTD
Place of Publication:	OXFORD
ISSN:	1873-6424
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LATEX BEADS; FLOW-CYTOMETRY; ACANTHAMOEBA; PHAGOCYTOSIS; FLAGELLATE; EXTRACTION; PARTICLES; COMMUNITY; DIGESTION; PROTOZOA Multiple languages Environmental Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/17021