Results 11 to 20 of about 36,504 (227)

Oogenesis

open access: yesEuropean Journal of Histochemistry, 2013
I started flipping through the pages of this book when the expression “Ab Ovo” came to my mind. Ab Ovo, the beginning, the origin, the egg. This reminded me that the idea of correlating the origin of each human being with an egg characterized the human
Manuela Monti
doaj   +5 more sources

Peptides in insect oogenesis. [PDF]

open access: yesCurrent Opinion in Insect Science, 2019
The physiological control of reproduction in insects depends on a combination of environmental and internal cues. In the adult stage, insects become sexually mature and generate gametes. In females, the latter process is designated as oogenesis. Peptides
Cynthia Lenaerts   +4 more
semanticscholar   +3 more sources

A single-cell atlas of adult Drosophila ovary identifies transcriptional programs and somatic cell lineage regulating oogenesis

open access: yesPLoS Biology, 2020
Oogenesis is a complex developmental process that involves spatiotemporally regulated coordination between the germline and supporting, somatic cell populations. This process has been modeled extensively using the Drosophila ovary.
Allison M. Jevitt   +6 more
semanticscholar   +1 more source

Spatio-temporal patterns of ovarian development and VgR gene silencing reduced fecundity in parthenogenetic Artemia

open access: yesOpen Biology, 2023
The halophilic zooplankton brine shrimp Artemia has been used as an experimental animal in multidisciplinary studies. However, the reproductive patterns and its regulatory mechanisms in Artemia remain unclear.
Hu Duan   +9 more
doaj   +1 more source

New Mutations in the 5′ Region of the Notch Gene Affect Drosophila melanogaster Oogenesis

open access: yesJournal of Developmental Biology, 2022
The Notch pathway is an important and evolutionarily conserved signaling system involved in the development of multicellular organisms. Notch signaling plays an important role in the regulation of proliferation and differentiation of many cell types.
Elena I. Volkova   +4 more
doaj   +1 more source

Isoflurane impairs oogenesis through germ cell apoptosis in C. elegans

open access: yesScientific Reports, 2021
Anesthetic isoflurane has been reported to induce toxicity. However, the effects of isoflurane on fecundity remain largely unknown. We established a system in C. elegans to investigate the effects of isoflurane on oogenesis.
Tao Zhang   +8 more
doaj   +1 more source

Germ cell-intrinsic effects of sex chromosomes on early oocyte differentiation in mice.

open access: yesPLoS Genetics, 2020
A set of sex chromosomes is required for gametogenesis in both males and females, as represented by sex chromosome disorders causing agametic phenotypes. Although studies using model animals have investigated the functional requirement of sex chromosomes,
Norio Hamada   +7 more
doaj   +1 more source

Dynamics of maternal gene expression in Rhodnius prolixus

open access: yesScientific Reports, 2022
The study of developmental processes in Rhodnius prolixus has recently advanced with the sequencing of the genome. In this work, we analyze the maternal gene expression driving oogenesis and early embryogenesis in R. prolixus.
Agustina Pascual, Rolando Rivera-Pomar
doaj   +1 more source

Sequential Regulation of Maternal mRNAs through a Conserved cis-Acting Element in Their 3′ UTRs

open access: yesCell Reports, 2018
Summary: Maternal mRNAs synthesized during oogenesis initiate the development of future generations. Some maternal mRNAs are either somatic or germline determinants and must be translationally repressed until embryogenesis.
Pooja Flora   +9 more
doaj   +1 more source

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