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Spermatozoon ultrastructure of the pseudophyllidean cestode Paraechinophallus japonicus, a parasite of deep-sea fish Psenopsis anomala (Perciformes, Centrolophidae)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F06%3A00048370" target="_blank" >RIV/60077344:_____/06:00048370 - isvavai.cz</a>

  • Alternative codes found

    RIV/60076658:12310/06:00008755

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Spermatozoon ultrastructure of the pseudophyllidean cestode Paraechinophallus japonicus, a parasite of deep-sea fish Psenopsis anomala (Perciformes, Centrolophidae)

  • Original language description

    This paper provides the first ultrastructural data on the spermatozoon of a pseudophyllidean cestode belonging to the family Echinophallidae, Paraechinophallus japonicus, parasitizing deep-sea fish Psenopis anomala from Japan. One of the most interestingfeatures of the mature spermatozoon is the presence of a ring of tubular structures encircling axoneme. This character, previously reported in species of the families Bothriocephalidae and Triaenophoridae, may be unique to pseudophylideans of the group?Bothriocephalidea?, thus supporting the assumption that the order Pseudophyllidea is formed in fact by two unrelated clades; ?Bothriocephalidea? and ?Diphyllobothriidea?. The posterior extremity contains the posterior part of the nucleus and the disorganized axoneme, a character previously not described in the Eucestoda.

  • Czech name

    Ultrastruktura spermií tasemnice Paraechinophallus japonicus (Pseudophyllidea), cizopasníka hlubokomořské ryby Psenopsis anomala (Perciformes, Centrolophidae)

  • Czech description

    V práci jsou poprvé prezentovány údaje o ultrastruktuře spermií tasemnice Paraechinophallus japonicus, která cizopasí u hlubokomořské ryby Psenopis anomala. Jedním z nejzajímavějších zjištění je přítomnost kruhu tubulárních struktur obklopujících axonemuu dospělých spermií. Tento znak, dosud zjištěný jen u zástupců čeledí Bothriocephalidae and Triaenophoridae, by mohl být charakteristický pro tasemnice skupiny ?Bothriocephalidea?, a tím podporovat parafylii řádu Pseudophyllidea, tvořeného dvěma odlišnými skupinami ?Bothriocephalidea? a ?Diphyllobothriidea?. Zadní konec spemie obsahuje zadní část jádra a rozpadlou axonemu, což je znak dosud nikdy nepozorovaný u zástupců tasemnic.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    GJ - Diseases and animal vermin, veterinary medicine

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Parasitology Research

  • ISSN

    0932-0113

  • e-ISSN

  • Volume of the periodical

    100

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    7

  • Pages from-to

    115-121

  • UT code for WoS article

  • EID of the result in the Scopus database