Universität zu Köln

Rippin, Martin ORCID: 0000-0003-4362-0122, Lange, Sebastian, Sausen, Nicole and Becker, Burkhard ORCID: 0000-0002-7965-1396 (2018). Biodiversity of biological soil crusts from the Polar Regions revealed by metabarcoding. FEMS Microbiol. Ecol., 94 (4). OXFORD: OXFORD UNIV PRESS. ISSN 1574-6941

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Abstract

Biological soil crusts (BSCs) are amalgamations of autotrophic, heterotrophic and saprotrophic organisms. In the Polar Regions, these unique communities occupy essential ecological functions such as primary production, nitrogen fixation and ecosystem engineering. Here, we present the first molecular survey of BSCs from the Arctic and Antarctica focused on both eukaryotes and prokaryotes as well as passive and active biodiversity. Considering sequence abundance, Bryophyta is among the most abundant taxa in all analyzed BSCs suggesting that they were in a late successional stage. In terms of algal and cyanobacterial biodiversity, the genera Chloromonas, Coccomyxa, Elliptochloris and Nostoc were identified in all samples regardless of origin confirming their ubiquitous distribution. For the first time, we found the chrysophyte Spumella to be common in polar BSCs as it was present in all analyzed samples. Co-occurrence analysis revealed the presence of sulfur metabolizing microbes indicating that BSCs also play an important role for the sulfur cycle. In general, phototrophs were most abundant within the BSCs but there was also a diverse community of heterotrophs and saprotrophs. Our results show that BSCs are unique microecosystems in polar environments with an unexpectedly high biodiversity.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rippin, Martin UNSPECIFIED orcid.org/0000-0003-4362-0122 UNSPECIFIED Lange, Sebastian UNSPECIFIED UNSPECIFIED UNSPECIFIED Sausen, Nicole UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, Burkhard UNSPECIFIED orcid.org/0000-0002-7965-1396 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-189948
DOI:	10.1093/femsec/fiy036
Journal or Publication Title:	FEMS Microbiol. Ecol.
Volume:	94
Number:	4
Date:	2018
Publisher:	OXFORD UNIV PRESS
Place of Publication:	OXFORD
ISSN:	1574-6941
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Biology > Botanical Institute
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SULFATE-REDUCING BACTERIA; RIBOSOMAL-RNA; HIGHLY DIVERSE; COMMUNITY; ALGAE; HABITATS; ECOLOGY; PRECIPITATION; ESTABLISHMENT; LIMITATIONS Multiple languages Microbiology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/18994