Trichodina ctenophorii N. Sp., a Novel Symbiont of Ctenophores of the Northern Coast of the Gulf of Mexico

Peritrich ciliates of the genus Trichodina are internal or external symbionts of invertebrate and vertebrate hosts. We describe here Trichodina ctenophorii n. sp., a symbiont of Mnemiopsis mccraydii and Beroë ovata (Phylum Ctenophora). The morphology of fixed and living specimens is revealed by silv...

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Bibliographic Details
Published in:The Journal of eukaryotic microbiology 1997-09, Vol.44 (5), p.420-426
Main Authors: ESTES, ANNE M., REYNOLDS, BARBARA S., MOSS, ANTHONY G.
Format: Article
Language:English
Subjects:
Alabama
Animals
Beroe ovata
Biological and medical sciences
Brackish
Comb jellies
comb plate
Fundamental and applied biological sciences. Psychology
Invertebrates - parasitology
Marine
marine invertebrate parasites
Microscopy, Video
Mnemiopsis mccradyi
Mnemiopsis mccraydii
Oligohymenophorea - classification
Oligohymenophorea - isolation & purification
Oligohymenophorea - ultrastructure
peritrich ciliate
Protozoa
Seawater
Systematics. Geographical distribution. Morphology. Cytology
Trichodina ctenophorii
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Summary:Peritrich ciliates of the genus Trichodina are internal or external symbionts of invertebrate and vertebrate hosts. We describe here Trichodina ctenophorii n. sp., a symbiont of Mnemiopsis mccraydii and Beroë ovata (Phylum Ctenophora). The morphology of fixed and living specimens is revealed by silver impregnation, scanning electron microscopy, and differential interference microscopy. Distinguishing features of Trichodina ctenophorii include a denticular morphology composed of falcate, blunt‐tipped blades, and long, straight thorns, with five pins per denticle. Trichodina ctenophorii is found only on the comb plates of these ctenophores. To the best of our knowledge, this is the first report of a trichodinid from the Gulf of Mexico and the first associated with ctenophores.
ISSN:1066-5234
1550-7408
DOI:10.1111/j.1550-7408.1997.tb05718.x