2009
DOI: 10.1134/s1063074009030079
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Sperm ultrastructure in representatives of six bivalve families from Peter the Great Bay, Sea of Japan

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Cited by 22 publications
(21 citation statements)
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“…A comparable example to that shown here for Gryphaeidae can be seen in the Anomiidae, in which the spermatozoa of Anomia trigonopsis Hutton 1877 (as Anomia descripta Iredale 1936) show a spheroidal nucleus with a short anterior invagination (Popham ) in contrast to those of Pododesmus macroschisma ( Deshayes 1839) which show a barrel‐shaped nucleus with a long, narrow anterior invagination (housing the axial rod) (Drozdov et al. ). It would be interesting to determine the exact circumstances of gamete interaction in the three examined gryphaeids as it is known that the environment of fertilization, especially the environment of sperm release, can have a marked influence on sperm features, most notably the length and shape of the nucleus and midpiece (Franzén , ).…”
Section: Discussionsupporting
confidence: 67%
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“…A comparable example to that shown here for Gryphaeidae can be seen in the Anomiidae, in which the spermatozoa of Anomia trigonopsis Hutton 1877 (as Anomia descripta Iredale 1936) show a spheroidal nucleus with a short anterior invagination (Popham ) in contrast to those of Pododesmus macroschisma ( Deshayes 1839) which show a barrel‐shaped nucleus with a long, narrow anterior invagination (housing the axial rod) (Drozdov et al. ). It would be interesting to determine the exact circumstances of gamete interaction in the three examined gryphaeids as it is known that the environment of fertilization, especially the environment of sperm release, can have a marked influence on sperm features, most notably the length and shape of the nucleus and midpiece (Franzén , ).…”
Section: Discussionsupporting
confidence: 67%
“…; Drozdov et al. ). However, the consistent presence of five mitochondria in the midpiece of H. hyotis is important as it once again sets this species aside from all other investigated Ostreoidea.…”
Section: Discussionmentioning
confidence: 98%
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“…Their acrosome is relatively large; the nucleus is from oval to elongated, oblong; the midpiece of the sperma tozoon has two interperpendicular centrioles sur rounded by several spherical mitochondria [3,7,13,36,37]. The spermatozoa of articulate brachiopods have characteristic traits that bring them close to the sperm cells of deuterostomes that possess external insemination: a relatively small acrosome, the nucleus usually spherical or oval, and one ring mitochondrion in the midpiece (like in echinoderms and bony fish).…”
Section: Discussionmentioning
confidence: 99%
“…One of these tools concerns the ultrastructural analysis of male gametes. Size and shape of the nucleus, acrosome, midpiece and periacrosomal material are specific morphological characteristics for orders, families and even species (Franzén 1983;Healy 1995a;Healy et al 2001;Erkan and Sousa 2002;Birkhead et al 2007;Drozdov et al 2009;Introíni et al 2009). …”
Section: Introductionmentioning
confidence: 99%