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Sequence of the Small Subunit Ribosomal RNA Gene of Perkinsus atlanticus-like Isolated from Carpet Shell Clam in Galicia Spain

Abstract : Parasites identified as Perkinsus atlanticus have been reported infecting carpet shell clams in Galicia (northwest Spain). We have sequenced the 18S ribosomal RNA gene of in vitro cultured Perkinsus atlanticus-like or hypnospores from diseased clams, and compared it with the same genomic region from P. marinus and Perkinsus sp. We have also compared the sequence of internal transcribed spacer (ITS) 1, ITS 2, and 5.8S rRNA from our isolate with the P. atlanticus GenBank sequence. The phylogenetic analysis of our cultured parasite based on the 18S gene led us to conclude that this isolate is not related to the genus Perkinsus but to the protists Anurofeca, Ichthyophonus, and Psorospermium, located near the animal-fungal divergence. These last two genera have been included, together with Dermocystidium, in the newly described DRIPs (Dermocystidium, rossete agent, Ichthyophonus, and Psorospermium) clade, recently named Mesomycetozoa.
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https://hal.archives-ouvertes.fr/hal-00427078
Contributor : Stéphane Delmotte Connect in order to contact the contributor
Submitted on : Wednesday, October 28, 2009 - 4:47:31 PM
Last modification on : Monday, October 4, 2021 - 2:52:05 PM

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A. Figueras, G. Lorenzo, M.C. Ordas, Manolo Gouy, B. Novoa. Sequence of the Small Subunit Ribosomal RNA Gene of Perkinsus atlanticus-like Isolated from Carpet Shell Clam in Galicia Spain. Marine Biotechnology, Springer Verlag, 2000, 2, pp.419-428. ⟨10.1007/s101260000015⟩. ⟨hal-00427078⟩

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