Universität zu Köln

Dumack, Kenneth, Siemensma, Ferry and Clauss, Steffen (2022). Transfer of the thecate amoebae Lecythium spinosum and Pamphagus armatus to Rhizaspis (Thecofilosea, Cercozoa, Rhizaria). Eur. J. Protistol., 83. MUNICH: ELSEVIER GMBH. ISSN 1618-0429

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Abstract

Thecofilosea is a class in Cercozoa (Rhizaria) comprising mainly freshwater-inhabiting algivores. Recently, numerous isolates of thecofilosean amoebae have been cultured and were characterized by an integrated morphological and molecular approach. The captivating spine-bearing taxa in Thecofilosea were not yet molecularly characterized due to being very rare. There are only two known spine-bearing species, Pamphagus armatus and Lecythium spinosum, which were synonymized by Penard in 1902. Due to a morphological difference of those taxa, we discuss here that we disagree with this taxonomical act. We further isolated single cells of Pamphagus armatus directly from their habitat and successfully sequenced their SSU rDNA, which we subjected to phylogenetic analyses. We show that Pamphagus armatus branches within the Rhizaspididae (Tectofilosida, Thecofilosea). Accordingly, we transfer Pamphagus armatus and the assumingly closely related species Lecythium spinosum to Rhizaspis. (c) 2021 Elsevier GmbH. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Dumack, Kenneth UNSPECIFIED UNSPECIFIED UNSPECIFIED Siemensma, Ferry UNSPECIFIED UNSPECIFIED UNSPECIFIED Clauss, Steffen UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-657027
DOI:	10.1016/j.ejop.2021.125843
Journal or Publication Title:	Eur. J. Protistol.
Volume:	83
Date:	2022
Publisher:	ELSEVIER GMBH
Place of Publication:	MUNICH
ISSN:	1618-0429
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SP-NOV; GEN. NOV; CHLAMYDOPHRYIDAE; TECTOFILOSIDA; ESTABLISHMENT Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/65702