Results 181 to 190 of about 29,477 (233)
Non-Canonical, Somatic-Dependent Vertical Transmission of Wolbachia in an Aphid. [PDF]
Environ Microbiol RepNozaki T, Kobayashi Y, Shigenobu S.
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A spatiotemporal transcriptomic atlas of porcine (Sus scrofa) female early gonadal development. [PDF]
Commun BiolHe P +12 more
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Stage-specific regulation of caspase activity in drosophila oogenesis
Developmental Biology, 2003 In Drosophila oogenesis, the programmed cell death of germline cells occurs predominantly at three distinct stages. These cell deaths are subject to distinct regulatory controls, as cell death during early and midoogenesis is stress-induced, whereas the ...
J S Peterson
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Cell and Tissue Research, 2011
The determination of a precise number of cells within a structure and of a precise number of cellular structures within an organ is critical for correct development in animals and plants. However, relatively little is known about the molecular mechanisms that ensure that these numbers are achieved.
Green, Delbert Andre +2 more
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The determination of a precise number of cells within a structure and of a precise number of cellular structures within an organ is critical for correct development in animals and plants. However, relatively little is known about the molecular mechanisms that ensure that these numbers are achieved.
Green, Delbert Andre +2 more
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Journal of Experimental Zoology, 1965
AbstractOogenesis in rabbits was investigated by examining the development of germ cells after birth. The transformation of oogonia to oocytes begins in the one day old animal. The appearance of the different stages of meiotic prophase was noted and their differential distribution in the germ cell population determined.
H, PETERS, E, LEVY, M, CRONE
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AbstractOogenesis in rabbits was investigated by examining the development of germ cells after birth. The transformation of oogonia to oocytes begins in the one day old animal. The appearance of the different stages of meiotic prophase was noted and their differential distribution in the germ cell population determined.
H, PETERS, E, LEVY, M, CRONE
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Archives of Gynecology and Obstetrics
Epigenetic changes include all modifications affecting the expression of genes without changing the nucleotide sequence of the genome. Most studied epigenetic changes include DNA methylation, histone alterations and non-coding RNAs. DNA methylation is an important epigenetic mark, protecting the genome during gametogenesis and early embryo development.
Neda Sindik +2 more
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Epigenetic changes include all modifications affecting the expression of genes without changing the nucleotide sequence of the genome. Most studied epigenetic changes include DNA methylation, histone alterations and non-coding RNAs. DNA methylation is an important epigenetic mark, protecting the genome during gametogenesis and early embryo development.
Neda Sindik +2 more
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Minerva Ginecologica, 2018
Ovarian tissue is increasingly being collected from cancer patients and cryopreserved for fertility preservation. Alternately to the autologous transplantation, the development of culture systems that support oocyte development from the primordial follicle stage represent a valid strategy to restore fertility.
Fabbri R +5 more
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Ovarian tissue is increasingly being collected from cancer patients and cryopreserved for fertility preservation. Alternately to the autologous transplantation, the development of culture systems that support oocyte development from the primordial follicle stage represent a valid strategy to restore fertility.
Fabbri R +5 more
openaire +3 more sources
Oogenesis in an Adult Prosimian
Nature, 1970IN most Eutherian mammals oogenesis, that is, mitotic proliferation of oogonia followed by the formation of oocytes in the arrested diplotene stage of meiosis, occurs only during embryonic life or the first weeks of postnatal life1. Certain prosimians seem to be exceptions to this general rule.
H, Butler, M B, Juma
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Oogenesis as a foundation for embryogenesis
Molecular and Cellular Endocrinology, 2002The majority of oocytes in postnatal ovaries are small, non-growing and reside in primordial follicles. They have to undergo a prolonged phase of growth and differentiation before nuclear and cytoplasmic maturation enables them to resume meiosis and undergo fertilization.
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