Universität zu Köln

Glaser, Karin, Van, Ahn Tu, Pushkareva, Ekaterina, Barrantes, Israel and Karsten, Ulf (2022). Microbial Communities in Biocrusts Are Recruited From the Neighboring Sand at Coastal Dunes Along the Baltic Sea. Front. Microbiol., 13. LAUSANNE: FRONTIERS MEDIA SA. ISSN 1664-302X

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Abstract

Biological soil crusts occur worldwide as pioneer communities stabilizing the soil surface. In coastal primary sand dunes, vascular plants cannot sustain due to scarce nutrients and the low-water-holding capacity of the sand sediment. Thus, besides planted dune grass, biocrusts are the only vegetation there. Although biocrusts can reach high coverage rates in coastal sand dunes, studies about their biodiversity are rare. Here, we present a comprehensive overview of the biodiversity of microorganisms in such biocrusts and the neighboring sand from sampling sites along the Baltic Sea coast. The biodiversity of Bacteria, Cyanobacteria, Fungi, and other microbial Eukaryota were assessed using high-throughput sequencing (HTS) with a mixture of universal and group-specific primers. The results showed that the biocrusts recruit their microorganisms mainly from the neighboring sand rather than supporting a universal biocrust microbiome. Although in biocrusts the taxa richness was lower than in sand, five times more co-occurrences were identified using network analysis. This study showed that by comparing neighboring bare surface substrates with biocrusts holds the potential to better understand biocrust development. In addition, the target sequencing approach helps outline potential biotic interactions between different microorganisms groups and identify key players during biocrust development.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Glaser, Karin UNSPECIFIED UNSPECIFIED UNSPECIFIED Van, Ahn Tu UNSPECIFIED UNSPECIFIED UNSPECIFIED Pushkareva, Ekaterina UNSPECIFIED UNSPECIFIED UNSPECIFIED Barrantes, Israel UNSPECIFIED UNSPECIFIED UNSPECIFIED Karsten, Ulf UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-670843
DOI:	10.3389/fmicb.2022.859447
Journal or Publication Title:	Front. Microbiol.
Volume:	13
Date:	2022
Publisher:	FRONTIERS MEDIA SA
Place of Publication:	LAUSANNE
ISSN:	1664-302X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language BIOLOGICAL SOIL CRUSTS; CRYPTOGAMIC COVERS; FUNGAL COMMUNITIES; DESERT; BIODIVERSITY; DIVERSITY; BACTERIAL; DATABASE; PLATEAU; LAND Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/67084