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First record of Colpodidium caudatum (Ciliophora, Colpodidiidae) in Europe.

Rodero Madrid, J., Olmo, J. L. and Esteban, G. F, 2023. First record of Colpodidium caudatum (Ciliophora, Colpodidiidae) in Europe. Protist, 174 (6), 125995.

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DOI: 10.1016/j.protis.2023.125995


The present study documents the discovery of the first European population of Colpodidium caudatum (Ciliophora, Colpodidiidae) in a water drain in a school playground in Manzanares (Ciudad Real, Spain). This species has been documented on every continent except Antarctica and Europe, until now. The ciliate was isolated from wet run-off soil collected from the water drain and was grown in semi-permanent cultures in the laboratory. The infraciliature of the ciliate was revealed using silver carbonate impregnation and cell measurements were taken from living and silver-impregnated specimens. A comparative analysis of published data from various populations of C. caudatum across the globe showed high intraspecific morphological variability in this species. To differentiate between species within the Colpodidium genus, a dichotomous key is presented. This investigation shows that C. caudatum is a ciliate that is found all over the world and is particularly associated with terrestrial habitats that are periodically flooded.

Item Type:Article
Uncontrolled Keywords:Biogeography; Ciliates; Cosmopolitan species; Intraspecific variability; Microbial diversity; Soil ciliates
Group:Faculty of Science & Technology
ID Code:39205
Deposited By: Symplectic RT2
Deposited On:28 Nov 2023 12:54
Last Modified:28 Nov 2023 12:54


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