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Phylogeny, Evidence...
Phylogeny, Evidence for a Cryptic Plastid, and Distribution of Chytriodinium Parasites (Dinophyceae) Infecting Copepods
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- Strassert, Jürgen F. H. (author)
- Uppsala universitet,Systematisk biologi,Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada
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- Hehenberger, Elisabeth (author)
- Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada;Monterey Bay Aquarium Res Inst, 7700 Sandholdt Rd, Moss Landing, CA 95039 USA
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- del Campo, Javier (author)
- Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada;CSIC, Inst Ciencies Mar, Dept Biol Marina & Oceanog, Passeig Maritim Barceloneta 37-49, E-08003 Barcelona, Spain
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- Okamoto, Noriko (author)
- Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada
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- Kolisko, Martin (author)
- Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada;Czech Acad Sci, Biol Ctr, Inst Parasitol, Ceske Budejovice 37005, Czech Republic
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- Richards, Thomas A. (author)
- Univ Exeter, Biosci, Geoffrey Pope Bldg,Stocker Rd, Exeter EX 44QD, Devon, England
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- Worden, Alexandra Z. (author)
- Monterey Bay Aquarium Res Inst, 7700 Sandholdt Rd, Moss Landing, CA 95039 USA
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- Santoro, Alyson E. (author)
- Univ Calif Santa Barbara, Dept Ecol Evolut & Marine Biol, Santa Barbara, CA 93106 USA
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- Keeling, Patrick J. (author)
- Univ British Columbia, Dept Bot, 3529-6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada
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(creator_code:org_t)
- 2018-12-11
- 2019
- English.
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In: Journal of Eukaryotic Microbiology. - : Wiley. - 1066-5234 .- 1550-7408. ; 66:4, s. 574-581
- Related links:
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https://www.biorxiv....
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Spores of the dinoflagellate Chytriodinium are known to infest copepod eggs causing their lethality. Despite the potential to control the population of such an ecologically important host, knowledge about Chytriodinium parasites is limited: we know little about phylogeny, parasitism, abundance, or geographical distribution. We carried out genome sequence surveys on four manually isolated sporocytes from the same sporangium, which seemed to be attached to a copepod nauplius, to analyze the phylogenetic position of Chytriodinium based on SSU and concatenated SSU/LSU rRNA gene sequences, and also characterize two genes related to the plastidial heme pathway, hemL and hemY. The results suggest the presence of a cryptic plastid in Chytriodinium and a photosynthetic ancestral state of the parasitic Chytriodinium/Dissodinium clade. Finally, by mapping Tara Oceans V9 SSU amplicon data to the recovered SSU rRNA gene sequences from the sporocytes, we show that globally, Chytriodinium parasites are most abundant within the pico/nano- and mesoplankton of the surface ocean and almost absent within microplankton, a distribution indicating that they generally exist either as free-living spores or host-associated sporangia.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- Dinoflagellates
- Gymnodinium
- heme pathway
- plankton
- protists
Publication and Content Type
- ref (subject category)
- art (subject category)
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