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Molecular Phylogeny of a Potentially Parasitic Dinoflagellate Isolated from the Solitary Radiolarian, Thalassicolla nucleata
Author(s) -
GAST REBECCA J.
Publication year - 2006
Publication title -
journal of eukaryotic microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 1066-5234
DOI - 10.1111/j.1550-7408.2005.00071.x
Subject(s) - dinoflagellate , biology , phylogenetic tree , parasite hosting , phylogenetics , ribosomal rna , host (biology) , zoology , botany , evolutionary biology , ecology , genetics , gene , computer science , world wide web
.Thalassicolla nucleata , a solitary radiolarian, has been described as being parasitized by two dinoflagellates, Solenodinium (Syndiniales) and Caryotoma (Blastodiniales). Several T. nucleata were stripped of their extracapsular material and allowed to regenerate their rhizopodial structures without symbionts. Within a week, two were observed to disintegrate, leaving behind non‐pigmented swimming dinoflagellate cells. Identical full‐length ribosomal sequences were recovered from both samples. Upon alignment and phylogenetic analysis, it was determined that these putative parasite sequences were distinct from Scrippsiella nutricula (the dinoflagellate symbiont of the host), and also from all other dinoflagellate parasites sequenced to date.