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Description and experimental transmission of Tetracapsuloides vermiformis n. sp. (Cnidaria: Myxozoa) and guidelines for describing malacosporean species including reinstatement of Buddenbrockia bryozoides n. comb. (syn. Tetracapsula bryozoides)

Published online by Cambridge University Press:  15 November 2016

SNEHA PATRA ,
ASHLIE HARTIGAN ,
DAVID J. MORRIS ,
ALENA KODÁDKOVÁ  and
ASTRID S. HOLZER
SNEHA PATRA*
Affiliation:
Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic Faculty of Science, University of South Bohemia, 37005 České Budějovice, Czech Republic
ASHLIE HARTIGAN
Affiliation:
Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic
DAVID J. MORRIS
Affiliation:
Marine Scotland Science, Freshwater Fisheries Laboratory, Faskally, Pitlochry, Perthshire, PH16 5LB, UK
ALENA KODÁDKOVÁ
Affiliation:
Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic Marine Biology Department, The Leon H. Charney School of Marine Sciences, University of Haifa, Israel
ASTRID S. HOLZER
Affiliation:
Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic
*
*Corresponding author: Institute of Parasitology, Biology Centre CAS & Faculty of Science, University of South Bohemia, Branišovská 31, 37005 České Budějovice, Czech Republic. E-mail: snehampatra@gmail.com
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Summary

This paper provides the first detailed description of a Tetracapsuloides species, Tetracapsuloides vermiformis n. sp., with vermiform stages in the bryozoan host, Fredericella sultana, and its experimental transmission from F. sultana to Cyprinus carpio. The suitability of morphological, biological and 18S rDNA sequence data for discrimination between malacosporean species is reviewed and recommendations are given for future descriptions. Presently, malacosporean species cannot be differentiated morphologically due to their cryptic nature and the lack of differential characters of spores and spore-forming stages in both hosts. We examined biological, morphological and molecular characters for the present description and for revising malacosporean taxonomy in general. As a result, Buddenbrockia plumatellae was split into two species, with its sac-like stages being ascribed to Buddenbrockia bryozoides n. comb. In addition to ribosomal DNA sequences multiple biological features rather than morphological characters are considered essential tools to improve malacosporean taxonomy in the future according to our analysis of the limited traits presently available.

Keywords

Buddenbrockia bryozoides n. comb.Buddenbrockia plumatellaeMalacosporeaMorphological variationMyxozoaSpecies discriminationTaxonomyTetracapsuloides vermiformis nsp
Type
Research Article
Information
Parasitology , Volume 144 , Issue 4 , April 2017 , pp. 497 - 511
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Copyright © Cambridge University Press 2016 

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