1970
DOI: 10.1093/biolreprod/3.3.265
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Ultrastructural Changes of the Nucleoli During Early Development of Fertilized Rat Eggs

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Cited by 13 publications
(4 citation statements)
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“…Closely related morphological observations were reported for cattle embryos by King et al (1988) and for goat embryos by Chartrain et al (1987). A similar entity, called hollow body was observed during NPB transformation in early embryogenesis in rat (Schuchner, 1970) and was also noted in early human embryos (TesaPik, unpublished observation), although quite sporadically. Clear-cut and spherical vacuoles with content similar to the nucleoplasm were described to appear regularly in homogeneous nucleoli of healthy oocytes from large antral follicles in rat (Baeckland et al, 1986).…”
Section: Discussionsupporting
confidence: 65%
“…Closely related morphological observations were reported for cattle embryos by King et al (1988) and for goat embryos by Chartrain et al (1987). A similar entity, called hollow body was observed during NPB transformation in early embryogenesis in rat (Schuchner, 1970) and was also noted in early human embryos (TesaPik, unpublished observation), although quite sporadically. Clear-cut and spherical vacuoles with content similar to the nucleoplasm were described to appear regularly in homogeneous nucleoli of healthy oocytes from large antral follicles in rat (Baeckland et al, 1986).…”
Section: Discussionsupporting
confidence: 65%
“…Ribosomal RNA synthesis start during the second day of tubal life both in fertilized and unfertilized eggs (Flax 1953, Mintz 1965. According to the present and earlier observations (Schuchner 1970) the beginning of the RNA and protein synthesis seems to coincide with the complete involution of the corona radiata cells, and this involution is probably related to the development of the oocyte auto nomy.…”
Section: Discussionsupporting
confidence: 61%
“…Takeuchi (1989) reported ring-shaped bodies in the nuclei of mouse two-cell embryos infected with virus, and a similar morphological configuration, that is, dense, ring-shaped bodies, was detected in nuclei of HeLa cells and was demonstrated to contain viral RNA (Puvion-Dutilleul and Puvion, 1991). On the contrary, there are already several reports of apparently morphologically akin intranuclear bodies in nuclei of normal early embryos of rat (Schuchner, 1970), rabbit (Longo, 19781, and pig (Tomanek et al, 1989). In the latter species, similar bodies have been detected in cytoplasm of early embryos (Tomanek et al, 1989;Hyttel and Niemann, 1990), which was suggested as being part of the communication between nuclear and cytoplasmic compartments.…”
Section: Discussionmentioning
confidence: 95%