New genus and species of Aporocotylidae (Digenea) from a basal actinopterygian, the American paddlefish, Polyodon spathula, (Acipenseriformes: Polyodontidae) from the Mississippi Delta.
Identifieur interne : 000436 ( PubMed/Checkpoint ); précédent : 000435; suivant : 000437New genus and species of Aporocotylidae (Digenea) from a basal actinopterygian, the American paddlefish, Polyodon spathula, (Acipenseriformes: Polyodontidae) from the Mississippi Delta.
Auteurs : Stephen A. Bullard [États-Unis] ; Scott D. Snyder ; Kirsten Jensen ; Robin M. OverstreetSource :
- The Journal of parasitology [ 0022-3395 ] ; 2008.
English descriptors
- KwdEn :
- MESH :
- geographic : Mississippi.
- anatomy & histology : Trematoda.
- classification : Trematoda.
- parasitology : Fish Diseases, Trematode Infections.
- ultrastructure : Trematoda.
- veterinary : Microscopy, Electron, Scanning, Trematode Infections.
- Animals, Fishes.
Abstract
Acipensericola petersoni n. gen., n. sp. (Digenea: Aporocotylidae) infects the heart of the American paddlefish Polyodon spathula (Walbaum, 1792) in the Mississippi Delta. It has robust, spike-like body spines arranged in ventrolateral transverse rows; a bowl-shaped anterior sucker centered on the mouth and having minute spines on the inner anteroventral surface only; a pharynx; an inverse U-shaped ceca extending to near the posterior body end; intercecal testes comprising a pre-ovarian testicular column plus a single testis posteriorly; an extensively lobed ovary located medially and immediately posterior to the testicular column; a spherical ootype that is intercecal and post-ovarian; a Laurer's canal; and a common genital pore. The new species is the first-named aporocotylid collected from a basal actinopterygian. It resembles the chondrichthyan aporocotylids Chimaerohemecus trondheimensis, Orchispirium heterovitellatum, and Hyperandrotrema cetorhini in having an inverse U-shaped ceca, but it is morphologically most similar to the anguilliform aporocotylid Paracardicoloides yamagutii in having that feature plus a comparable anterior sucker, a single testis posteriorly, an intertesticular ovary, and a common genital pore. Sequence data for the complete small subunit ribosomal DNA (18S) do not refute its membership within Aporocotylidae nor its affinity to 1 of those aforementioned aporocotylids: A. petersoni was basal to the few teleost aporocotylids analyzed, and C. trondheimensis was the only taxon basal to A. petersoni. We regard the specimens of Spirorchis sp. previously reported from the shortnose sturgeon Acipenser brevirostrum Lesueur, 1818 as congeneric with the new species.
DOI: 10.1645/GE-1323.1
PubMed: 18564750
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">New genus and species of Aporocotylidae (Digenea) from a basal actinopterygian, the American paddlefish, Polyodon spathula, (Acipenseriformes: Polyodontidae) from the Mississippi Delta.</title><author><name sortKey="Bullard, Stephen A" sort="Bullard, Stephen A" uniqKey="Bullard S" first="Stephen A" last="Bullard">Stephen A. Bullard</name><affiliation wicri:level="1"><nlm:affiliation>Department of Coastal Sciences, University of Southern Mississippi, Gulf Coast Research Laboratory, 703 East Beach Drive, Ocean Springs, Mississippi 39564, USA. ash.bullard@usm.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Coastal Sciences, University of Southern Mississippi, Gulf Coast Research Laboratory, 703 East Beach Drive, Ocean Springs, Mississippi 39564</wicri:regionArea><wicri:noRegion>Mississippi 39564</wicri:noRegion></affiliation></author><author><name sortKey="Snyder, Scott D" sort="Snyder, Scott D" uniqKey="Snyder S" first="Scott D" last="Snyder">Scott D. Snyder</name></author><author><name sortKey="Jensen, Kirsten" sort="Jensen, Kirsten" uniqKey="Jensen K" first="Kirsten" last="Jensen">Kirsten Jensen</name></author><author><name sortKey="Overstreet, Robin M" sort="Overstreet, Robin M" uniqKey="Overstreet R" first="Robin M" last="Overstreet">Robin M. 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Bullard</name><affiliation wicri:level="1"><nlm:affiliation>Department of Coastal Sciences, University of Southern Mississippi, Gulf Coast Research Laboratory, 703 East Beach Drive, Ocean Springs, Mississippi 39564, USA. ash.bullard@usm.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Coastal Sciences, University of Southern Mississippi, Gulf Coast Research Laboratory, 703 East Beach Drive, Ocean Springs, Mississippi 39564</wicri:regionArea><wicri:noRegion>Mississippi 39564</wicri:noRegion></affiliation></author><author><name sortKey="Snyder, Scott D" sort="Snyder, Scott D" uniqKey="Snyder S" first="Scott D" last="Snyder">Scott D. Snyder</name></author><author><name sortKey="Jensen, Kirsten" sort="Jensen, Kirsten" uniqKey="Jensen K" first="Kirsten" last="Jensen">Kirsten Jensen</name></author><author><name sortKey="Overstreet, Robin M" sort="Overstreet, Robin M" uniqKey="Overstreet R" first="Robin M" last="Overstreet">Robin M. Overstreet</name></author></analytic><series><title level="j">The Journal of parasitology</title><idno type="ISSN">0022-3395</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Fish Diseases (parasitology)</term><term>Fishes</term><term>Microscopy, Electron, Scanning (veterinary)</term><term>Mississippi</term><term>Trematoda (anatomy & histology)</term><term>Trematoda (classification)</term><term>Trematoda (ultrastructure)</term><term>Trematode Infections (parasitology)</term><term>Trematode Infections (veterinary)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Mississippi</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Trematoda</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Trematoda</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Fish Diseases</term><term>Trematode Infections</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Trematoda</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Microscopy, Electron, Scanning</term><term>Trematode Infections</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Fishes</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Acipensericola petersoni n. gen., n. sp. (Digenea: Aporocotylidae) infects the heart of the American paddlefish Polyodon spathula (Walbaum, 1792) in the Mississippi Delta. It has robust, spike-like body spines arranged in ventrolateral transverse rows; a bowl-shaped anterior sucker centered on the mouth and having minute spines on the inner anteroventral surface only; a pharynx; an inverse U-shaped ceca extending to near the posterior body end; intercecal testes comprising a pre-ovarian testicular column plus a single testis posteriorly; an extensively lobed ovary located medially and immediately posterior to the testicular column; a spherical ootype that is intercecal and post-ovarian; a Laurer's canal; and a common genital pore. The new species is the first-named aporocotylid collected from a basal actinopterygian. It resembles the chondrichthyan aporocotylids Chimaerohemecus trondheimensis, Orchispirium heterovitellatum, and Hyperandrotrema cetorhini in having an inverse U-shaped ceca, but it is morphologically most similar to the anguilliform aporocotylid Paracardicoloides yamagutii in having that feature plus a comparable anterior sucker, a single testis posteriorly, an intertesticular ovary, and a common genital pore. Sequence data for the complete small subunit ribosomal DNA (18S) do not refute its membership within Aporocotylidae nor its affinity to 1 of those aforementioned aporocotylids: A. petersoni was basal to the few teleost aporocotylids analyzed, and C. trondheimensis was the only taxon basal to A. petersoni. We regard the specimens of Spirorchis sp. previously reported from the shortnose sturgeon Acipenser brevirostrum Lesueur, 1818 as congeneric with the new species.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18564750</PMID><DateCreated><Year>2008</Year><Month>06</Month><Day>20</Day></DateCreated><DateCompleted><Year>2008</Year><Month>07</Month><Day>01</Day></DateCompleted><DateRevised><Year>2008</Year><Month>06</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-3395</ISSN><JournalIssue CitedMedium="Print"><Volume>94</Volume><Issue>2</Issue><PubDate><Year>2008</Year><Month>Apr</Month></PubDate></JournalIssue><Title>The Journal of parasitology</Title><ISOAbbreviation>J. Parasitol.</ISOAbbreviation></Journal><ArticleTitle>New genus and species of Aporocotylidae (Digenea) from a basal actinopterygian, the American paddlefish, Polyodon spathula, (Acipenseriformes: Polyodontidae) from the Mississippi Delta.</ArticleTitle><Pagination><MedlinePgn>487-95</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1645/GE-1323.1</ELocationID><Abstract><AbstractText>Acipensericola petersoni n. gen., n. sp. (Digenea: Aporocotylidae) infects the heart of the American paddlefish Polyodon spathula (Walbaum, 1792) in the Mississippi Delta. It has robust, spike-like body spines arranged in ventrolateral transverse rows; a bowl-shaped anterior sucker centered on the mouth and having minute spines on the inner anteroventral surface only; a pharynx; an inverse U-shaped ceca extending to near the posterior body end; intercecal testes comprising a pre-ovarian testicular column plus a single testis posteriorly; an extensively lobed ovary located medially and immediately posterior to the testicular column; a spherical ootype that is intercecal and post-ovarian; a Laurer's canal; and a common genital pore. The new species is the first-named aporocotylid collected from a basal actinopterygian. It resembles the chondrichthyan aporocotylids Chimaerohemecus trondheimensis, Orchispirium heterovitellatum, and Hyperandrotrema cetorhini in having an inverse U-shaped ceca, but it is morphologically most similar to the anguilliform aporocotylid Paracardicoloides yamagutii in having that feature plus a comparable anterior sucker, a single testis posteriorly, an intertesticular ovary, and a common genital pore. Sequence data for the complete small subunit ribosomal DNA (18S) do not refute its membership within Aporocotylidae nor its affinity to 1 of those aforementioned aporocotylids: A. petersoni was basal to the few teleost aporocotylids analyzed, and C. trondheimensis was the only taxon basal to A. petersoni. 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Overstreet</name><name sortKey="Snyder, Scott D" sort="Snyder, Scott D" uniqKey="Snyder S" first="Scott D" last="Snyder">Scott D. Snyder</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Bullard, Stephen A" sort="Bullard, Stephen A" uniqKey="Bullard S" first="Stephen A" last="Bullard">Stephen A. Bullard</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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