Category:Media from Cantatore et al. - 10.1051/parasite/2018051

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(2018). "The description of two new species of Chloromyxum from skates in the Argentine Sea reveals that a limited geographic host distribution causes phylogenetic lineage separation of myxozoans in Chondrichthyes". Parasite 25: 47. DOI:10.1051/parasite/2018051. ISSN 1776-1042.

The description of two new species of Chloromyxum from skates in the Argentine Sea reveals that a limited geographic host distribution causes phylogenetic lineage separation of myxozoans in Chondrichthyes 

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Instance of	scholarly article
Main subject	parasitology phylogenetics Argentine Sea Chondrichthyes (Chondrichthyes)
Author	Astrid Sibylle Holzer (3) Juan T. Timi (7) Delfina María Paula Cantatore (1) Manuel Marcial Irigoitia (2) Pavla Bartošová-Sojková (4) Hana Pecková (5) Ivan Fiala (6)
Published in	Parasite
Copyright license	Creative Commons Attribution 4.0 International (2018–)
Publication date	12 September 2018
Authority file  Q56604263 DOI: 10.1051/PARASITE/2018051 PubMed publication ID: 30207267 PMC publication ID: 6134877 ZooBank publication ID: 3801548D-E70E-41C5-BDA3-F5D12736CF5A Reasonator Scholia Wikidocumentaries PetScan statistics WikiMap Locator tool KML file Search depicted

Abstract
During a survey on the myxosporean fauna of Rajiformes from the Atlantic coast of Argentina, in waters off Buenos Aires Province (34°–42°S; 53°–62°W), the gall bladders of 217 specimens belonging to seven species of skates, representatives of two families, were examined. As a result, three species of Chloromyxum Mingazzini, 1890, namely C. atlantoraji n. sp., C. zearaji n. sp. and C. riorajum Azevedo, Casal, Garcia, Matos, Teles-Grilo and Matos, 2009 were found infecting three endemic host species, the spotback skate Atlantoraja castelnaui (Arhynchobatidae), the yellownose skate Zearaja chilensis (Rajidae) and the Rio skate Rioraja agassizii (Arhynchobatidae), respectively. These species were described based on myxospore morphology and morphometry characterization, as well as by providing their small subunit ribosomal DNA (SSU rDNA) sequences. The SSU rDNA-based phylogenetic analyses showed that these three species constituted a well-established monophyletic subclade within the marine Chloromyxum clade, while branches subtending the other Chloromyxum species were poorly resolved or unresolved, independently of the host taxonomic identities (Carchariniformes, Myliobatiformes, Orectolobiformes, Pristiophoriformes, Rajiformes, Squaliformes and Torpediniformes) and/or host geographic distribution (Atlantic coast of Portugal, Atlantic coast of the USA, Australian waters or Mediterranean Sea). The possible causes of these discrepancies are discussed, providing new insights into the phylogeny of the marine Chloromyxum clade.