Start of the embryonic cell cycle is dually locked in unfertilized starfish eggs

M Hara, M Mori, T Wada, K Tachibana, T Kishimoto - 2009 - journals.biologists.com
… link, we have used starfish eggs, in which G1 phase arrest occurs after … , involvement of MAPK
was demonstrated in meta-II arrest of … This difference in parthenogenetic capacity might be …

[PDF][PDF] Meeting report–Oocyte maturation and fertilization: lessons from canonical and emerging models

N Oulhen, M Mori, R Dumollard - 2013 - researchgate.net
… a conserved role for calcineurin during egg activation came … mediates metaphase I arrest
by CytoStatic Factor (CSF) in … Ca2+ signaling Sperm entry triggers a Ca2+ wave in the eggs

Different routes lead to apoptosis in unfertilized sea urchin eggs

L Philippe, L Tosca, WL Zhang, M Piquemal, B Ciapa - Apoptosis, 2014 - Springer
… key role in controlling the fate of unfertilized eggs. This cascade controls apoptosis in G1
arrested unfertilized starfish eggs … sea urchin eggs can start an abnormally short parthenogenic

Arrest at metaphase of meiosis I in starfish oocytes in the ovary is maintained by high CO2 and low O2 concentrations in extracellular fluid

K Moriwaki, T Nakagawa, F Nakaya, N Hirohashi… - Zoological science, 2013 - BioOne
… the involvement of gas concentrations in MI arrest. In vivo, … MosMEKMAPK– p90Rsk
cascade appears at MI, MI arrest … is required for cytostatic factor arrest in Xenopus laevis eggs. …

[HTML][HTML] Comparative transcriptomics of the irradiated melon fly (Zeugodacus cucurbitae) reveal key developmental genes

S Ahmad, M Jamil, CC Jaworski, Y Luo - Frontiers in Physiology, 2023 - frontiersin.org
pest of Cucurbitaceae in Asia. Here, we applied irradiation to melon fly eggs, and the larvae
emerged from irradiated eggs … thereby identify key genes involved in the development and …

Observing silkworm embryos at the fertilization stage using a tissue clearing reagent

H Sakai, T Yokoyama, S Tomita - Journal of Insect Physiology, 2022 - Elsevier
arrest took place at the metaphase of the first meiotic division (meta-I arrest): (D) ovarian egg,
(E) an egg immediately after egg… Considering that nucleus position plays an important role

Appearance of differentiated cells derived from polar body nuclei in the silkworm, Bombyx mori

H Sakai, T Yokoyama, H Abe, T Fujii… - Frontiers in …, 2013 - frontiersin.org
… mori, an egg nucleus just after oviposition is arrested at … mori, which is an example of a
short-germ insect. Our findings … , which is also a short-germ insect, the polar body nucleus is …

Characterization of lipovitellin 2 as a tyrosine-phosphorylated protein in oocytes, eggs and early embryos of Xenopus laevis

S Kushima, G Mammadova, AKMM Hasan, Y Fukami… - Zoological science, 2011 - BioOne
… , Lee JM, Hatakeyama M (2008) Involvement of Mos-MEK-MAPK pathway in cytostatic
factor (CSF) arrest in eggs of the parthenogenetic insect, Athalia rosae. Mech Dev 125: 996–1008 …

Males are here to stay: fertilization enhances viable egg production by clonal queens of the little fire ant (Wasmannia auropunctata)

MO Miyakawa, AS Mikheyev - The Science of Nature, 2015 - Springer
… or even larvae, suggesting that offspring produced by arrhenotokous parthenogenesis are
non-viable. Thus, viable haploid egg production may have been lost during the transition from …