A molecular phylogenetic framework for the evolution of parasitic strategies in cymothoid isopods (Crustacea)
A molecular phylogenetic framework for the evolution of parasitic strategies in cymothoid isopods (Crustacea)
The parasitic isopods belonging to the family Cymothoidae attach under the scales, in the gills or on the tongue of their fish hosts, exhibiting
distinctive life-histories and morphological modifications. According to conventional views, the three parasitic types (scale-, gill-, and mouthdwellers)
correspond to three distinct lineages. In this study, we have used fragments of two mitochondrial genes (large ribosomal DNA subunit,
16S rRNA, and cytochrome oxidase I) and two species for each of the three parasitic habits to present a preliminary hypothesis on the
evolutionary history of the family. Our molecular data support the monophyly of the family but suggest that – contrary to what was previously
believed – the more specialized mouth- and gill-inhabiting species are not necessarily derived from scale-dwelling ones.
Ecological adaptation, host–parasite interaction, mitochondrial DNA, phylogeny, Cymothoidae, Ceratothoa, Anilocra –
Nerocila
19-23
Ketmaier, V.
e495850a-008f-4f8e-b318-5275ea46080d
Joyce, D.A.
d210a198-d135-424b-bce2-d57403632837
Horton, T.
c4b41665-f0bc-4f0f-a7af-b2b9afc02e34
Mariani, S.
905442ec-005a-4de4-81b6-454b31d69ae8
January 2008
Ketmaier, V.
e495850a-008f-4f8e-b318-5275ea46080d
Joyce, D.A.
d210a198-d135-424b-bce2-d57403632837
Horton, T.
c4b41665-f0bc-4f0f-a7af-b2b9afc02e34
Mariani, S.
905442ec-005a-4de4-81b6-454b31d69ae8
Ketmaier, V., Joyce, D.A., Horton, T. and Mariani, S.
(2008)
A molecular phylogenetic framework for the evolution of parasitic strategies in cymothoid isopods (Crustacea).
Journal of Zoological Systematics and Evolutionary Research, 46 (1), .
(doi:10.1111/j.1439-0469.2007.00423.x).
Abstract
The parasitic isopods belonging to the family Cymothoidae attach under the scales, in the gills or on the tongue of their fish hosts, exhibiting
distinctive life-histories and morphological modifications. According to conventional views, the three parasitic types (scale-, gill-, and mouthdwellers)
correspond to three distinct lineages. In this study, we have used fragments of two mitochondrial genes (large ribosomal DNA subunit,
16S rRNA, and cytochrome oxidase I) and two species for each of the three parasitic habits to present a preliminary hypothesis on the
evolutionary history of the family. Our molecular data support the monophyly of the family but suggest that – contrary to what was previously
believed – the more specialized mouth- and gill-inhabiting species are not necessarily derived from scale-dwelling ones.
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Published date: January 2008
Keywords:
Ecological adaptation, host–parasite interaction, mitochondrial DNA, phylogeny, Cymothoidae, Ceratothoa, Anilocra –
Nerocila
Identifiers
Local EPrints ID: 49959
URI: http://eprints.soton.ac.uk/id/eprint/49959
ISSN: 0947-5745
PURE UUID: ac33dd56-1d6d-4964-8971-b1fa301fec17
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Date deposited: 20 Dec 2007
Last modified: 15 Mar 2024 10:01
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Contributors
Author:
V. Ketmaier
Author:
D.A. Joyce
Author:
T. Horton
Author:
S. Mariani
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