The developmental fate of androgenetic, parthenogenetic, and gynogenetic cells in chimeric gastrulating mouse embryos.
نویسندگان
چکیده
منابع مشابه
The developmental fate of androgenetic, parthenogenetic, and gynogenetic cells in chimeric gastrulating mouse embryos.
Both a maternal and a paternal genomic contribution are necessary for completion of embryonic development in the mouse. Parthenogenetic embryos, with only a maternally inherited genome, and androgenetic embryos, with only a paternally inherited genome, fail to develop to term, and these two types of isoparental embryos fail in development in characteristic ways. In this paper we describe the co...
متن کاملThe developmental fate of androgenetic, parthenogenetic, and gynogenetic cells m chimeric gastnflating mouse embryos
Both a maternal and a paternal genomic contribution are necessary for completion of embryonic development in the mouse. Parthenogenetic embryos, with only a maternally inherited genome, and androgenetic embryos, with only a paternally inherited genome, fail to develop to term, and these two types of isoparental embryos fail in development in characteristic ways. In this paper we describe the co...
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Genomic imprinting in mammals is believed to result from modifications to chromosomes during gametogenesis that inactivate the paternal or maternal allele. The genes encoding the insulin-like growth factor type 2 (Igf2) and its receptor (Igf2r) are reciprocally imprinted and expressed from the paternal and maternal genomes, respectively, in the fetal and adult mouse. We find that both genes are...
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Diploid gynogenetic embryos, which have two sets of maternal and no paternal chromosomes, die at or soon after implantation. Since normal female embryos preferentially inactivate the paternally derived X chromosome in certain extraembryonic membranes, the inviability of diploid gynogenetic embryos might be due to difficulties in achieving an equivalent inactivation of one of their two maternall...
متن کاملPreimplantation development of gynogenetic diploid mouse embryos.
Diploid gynogenetic mouse embryos were produced in a three-step procedure: fertilization in vitro, suppression of the 2nd polar body formation by Cytochalasin B, and microsurgical removal of the male pronucleus. The operated eggs were transplanted to the oviduct of recipient females for 72 or 96 h. The overall recovery rate was 73%, but compacted morulae and blastocysts constituted only 28.6% o...
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ژورنال
عنوان ژورنال: Genes & Development
سال: 1988
ISSN: 0890-9369
DOI: 10.1101/gad.2.10.1344