...Hikari Matsumoto; Minako Ueda ABSTRACT The complex structures of multicellular organisms originate from a unicellular zygote. In most angiosperms, including Arabidopsis thaliana , the zygote is distinctly polar and divides asymmetrically to produce an apical cell, which generates the aboveground...

..., and that of GFP::PAR-2 to the posterior polar cortex in P1 cells ( Fig. 8 B–E). In contrast to zygotes, P1 cells initially showed GFP::PAR-2 localizing throughout the cortex ( Fig. 8 A,B). During prophase, GFP::PAR-2 was excluded from the anterovertical cortex, where mCherry::PAR-6 became enriched ( Fig. 8 A–C...

... of germ cell survival, oocyte meiotic maturation, and maternal-zygotic transition in mammals. DDB1–cullin-4-associated factor-2 (DCAF2, also known as DTL or CDT2) is an evolutionarily conserved substrate receptor of CRL4. To determine whether DCAF2 is a key CRL4 substrate adaptor in mammalian oocytes, we...

..., the late decrease in MAPK could be rapidly reversed by the protein phosphatase inhibitor, okadaic acid. These data suggest that the completion of meiosis in mouse zygotes is driven by an increased phosphatase activity and not by a decline in Mos levels or MEK activity. * Present address: Laboratorio...

... ) 24 7 2002 © The Company of Biologists Limited 2002 2002 Yeast Hybrid Zygote Nuclear architecture FISH Interphase Meiosis Chromosome Hybrid organisms often show increased vigour over their parental species but they usually trade in fertility for the high degree...

... by AKAP95 in mitotic mouse zygotes. AKAP95 is synthesized upon oocyte activation, targeted to the female pronucleus and specifically associates with maternal chromosomes at mitosis. AKAP95 mRNA is highly restricted to the vicinity of the meiotic spindle in metaphase II oocytes. In vivo displacement...