Universität zu Köln

Khanipour Roshan, Samira, Dumack, Kenneth ORCID: 0000-0001-8798-0483, Bonkowski, Michael ORCID: 0000-0003-2656-1183, Leinweber, Peter, Karsten, Ulf ORCID: 0000-0002-2955-0757 and Glaser, Karin (2021). Taxonomic and Functional Diversity of Heterotrophic Protists (Cercozoa and Endomyxa) from Biological Soil Crusts. Microorganisms, 9 (2). BASEL: MDPI. ISSN 2076-2607

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Abstract

Biological soil crusts (biocrusts) accommodate diverse communities of phototrophic and heterotrophic microorganisms. Heterotrophic protists have critical roles in the microbial food webs of soils, with Cercozoa and Endomyxa often being dominant groups. Still, the diversity, community composition, and functions of Cercozoa and Endomyxa in biocrusts have been little explored. In this study, using a high-throughput sequencing method with taxon-specific barcoded primers, we studied cercozoan and endomyxan communities in biocrusts from two unique habitats (subarctic grassland and temperate dunes). The communities differed strongly, with the grassland and dunes being dominated by Sarcomonadea (69%) and Thecofilosea (43%), respectively. Endomyxa and Phytomyxea were the minor components in dunes. Sandonidae, Allapsidae, and Rhogostomidae were the most abundant taxa in both habitats. In terms of functionality, up to 69% of the grassland community was constituted by bacterivorous Cercozoa. In contrast, cercozoan and endomyxan communities in dunes consisted of 31% bacterivores, 25% omnivores, and 20% eukaryvores. Facultative and obligate eukaryvores mostly belonged to the families Rhogostomidae, Fiscullidae, Euglyphidae, Leptophryidae, and Cercomonadidae, most of which are known to feed mainly on algae. Biocrust edaphic parameters such as pH, total organic carbon, nitrogen, and phosphorus did not have any significant influence on shaping cercozoan communities within each habitat, which confirms previous results from dunes.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Khanipour Roshan, Samira UNSPECIFIED UNSPECIFIED UNSPECIFIED Dumack, Kenneth UNSPECIFIED orcid.org/0000-0001-8798-0483 UNSPECIFIED Bonkowski, Michael UNSPECIFIED orcid.org/0000-0003-2656-1183 UNSPECIFIED Leinweber, Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Karsten, Ulf UNSPECIFIED orcid.org/0000-0002-2955-0757 UNSPECIFIED Glaser, Karin UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-576757
DOI:	10.3390/microorganisms9020205
Journal or Publication Title:	Microorganisms
Volume:	9
Number:	2
Date:	2021
Publisher:	MDPI
Place of Publication:	BASEL
ISSN:	2076-2607
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language GENUS LECYTHIUM CHLAMYDOPHRYIDAE; SP-NOV; PROTOZOA; TECTOFILOSIDA; BIOGEOGRAPHY; COMMUNITIES; RHIZARIA; ESTABLISHMENT; CYANOBACTERIA; BIODIVERSITY Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/57675