Universität zu Köln

Rybarski, Alexandra E., Nitsche, Frank, Park, Jong Soo, Filz, Paulina ORCID: 0000-0002-6440-2290, Schmidt, Patricia, Kondo, Ryuji, Simpson, Alastair Gb and Arndt, Hartmut (2021). Revision of the phylogeny of Placididea (Stramenopiles): Molecular and morphological diversity of novel placidid protists from extreme aquatic environments. Eur. J. Protistol., 81. MUNICH: ELSEVIER GMBH. ISSN 1618-0429

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Abstract

Recent studies suggested that the diversity of microbial eukaryotes in hypersaline environments is widely underestimated. Placidids are a group of heterotrophic stramenopile flagellates that are frequently found in these environments, but up to now only very few species were isolated and fully described, mostly from marine or brackish water sites. In this study, we extend the known diversity of Placididea by three new genera (Allegra, Haloplacidia, and Placilonga) compromising nine new species, isolated from athalassic, mostly hypersaline environments (Allegra dunaii, Allegra atacamiensis, Allegra hypersalina, Haloplacidia cosmopolita, Suigetsumonas keniensis) and marine waters (Placilonga atlantica, Placidia azorensis, Placidia abyssalis, Wobblia pacifica) including a description of their morphology and molecular phylogeny. In total, 36 strains were comparatively analysed. Studies from athalassic waters revealed an especially high number of different genotypes. A multi gene analysis based on a ten genes dataset revealed a clear separation into marine, athalassic and brackish water clades. Several representatives were found to cope with hypersaline conditions from 20 to 250 PSU, even up to 284 PSU, suggesting that they may form a halotolerant group. (C) 2021 Elsevier GmbH. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rybarski, Alexandra E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nitsche, Frank UNSPECIFIED UNSPECIFIED UNSPECIFIED Park, Jong Soo UNSPECIFIED UNSPECIFIED UNSPECIFIED Filz, Paulina UNSPECIFIED orcid.org/0000-0002-6440-2290 UNSPECIFIED Schmidt, Patricia UNSPECIFIED UNSPECIFIED UNSPECIFIED Kondo, Ryuji UNSPECIFIED UNSPECIFIED UNSPECIFIED Simpson, Alastair Gb UNSPECIFIED UNSPECIFIED UNSPECIFIED Arndt, Hartmut UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-586712
DOI:	10.1016/j.ejop.2021.125809
Journal or Publication Title:	Eur. J. Protistol.
Volume:	81
Date:	2021
Publisher:	ELSEVIER GMBH
Place of Publication:	MUNICH
ISSN:	1618-0429
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language FACULTATIVE ANAEROBIC NANOFLAGELLATE; RNA; GEN.; CRASPEDIDA; COMMUNITY; ABUNDANCE; INSIGHTS; WATER; NOV. Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58671