Morphological Description of Telaepolella tubasferens n. g., n. sp., Isolate ATCC© 50593™, a Filose Amoeba in the Gracilipodida, Amoebozoa
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Morphological Description of Telaepolella tubasferens n. g., n. sp., Isolate ATCC© 50593™, a Filose Amoeba in the Gracilipodida, Amoebozoa
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RIS BIB ENDNOTEMorphological Description of Telaepolella tubasferens n. g., n. sp., Isolate ATCC© 50593™, a Filose Amoeba in the Gracilipodida, Amoebozoa
Publication date: 14.01.2013
Acta Protozoologica, 2012, Volume 51, Issue 4, pp. 305-318
https://doi.org/10.4467/16890027AP.12.024.0784Authors
Morphological Description of Telaepolella tubasferens n. g., n. sp., Isolate ATCC© 50593™, a Filose Amoeba in the Gracilipodida, Amoebozoa
We describe the amoeboid isolate ATCC© 50593™ as a new taxon, Telaepolella tubasferens n. gen. n. sp. This multinucleated amoeba has filose pseudopods and is superficially similar to members of the vampyrellids (Rhizaria) such as Arachnula impatiens Cienkowski, 1876, which was the original identification upon deposition. However, previous multigene analyses place this taxon within the Gracilipodida Lahr & Katz 2011 in the Amoebozoa. Here, we document the morphology of this organism at multiple life history stages and describe data underlying the description as a new taxon. We demonstrate that T. tubaspherens is distinct from Arachnula and other rhizarians (Theratromyxa, Leptophrys) in a suite of morphological characters such as general body shape, relative size of pseudopods, distinction of ecto- and endoplasmic regions, and visibility of nuclei in non-stained cells (an important diagnostic character). Although Amoebozoa taxa generally have lobose pseudopods, genera in Gracilipodida such as Flamella and Filamoeba as well as several organisms previously classified as protosteloid amoebae (e.g. schizoplasmodiis, cavosteliids and Stemonitales) present filose pseudopodia. Thus, classification of amoeboid organisms merely by filose-lobose distinction must be reconsidered.
Information: Acta Protozoologica, 2012, Volume 51, Issue 4, pp. 305-318
Article type: Original article
Department of Zoology, Institute of Biosciences (IB), University of Sao Paulo, Sao Paulo (SP), Brazil
Department of Biological Sciences, Smith College, Northampton, MA 01063, USA
Department of Biological Sciences, Smith College, Northampton, MA 01063, USA
Biology, Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York, U.S.A.
Graduate Program in Organismic and Evolutionary Biology, University of Massachusetts, Amherst, MA, United States of America; Department of Zoology, University of Sao Paulo, Sao Paulo, Brazil
Department of Biological Sciences, Smith College, Northampton, MA 01063, USA
Published at: 14.01.2013
Article status: Open
Licence: None
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