early embryogenesis
Drosophila wee1 Has an Essential Role in the Nuclear Divisions of Early Embryogenesis
... In Drosophila, the maternally expressed mei-41 and grp genes are required for successful execution of the nuclear division cycles of early embryogenesis. In fission yeast, genes encoding similar kinases ...
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Expression of L type Ca2+ channel during early embryogenesis in Xenopus laevis
... Int J De\" BioI 39 10"7 1032 (1995) 1027 Shol'l C0l111ibllliol1 Expression of L type Ca2+channel during early embryogenesis in Xenopus laevis GERALDINE DREAN, CATHERINE LECLERC ANNE MARIE DUPRAT and M[.] ...
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CHD1 acts via the Hmgpi pathway to regulate mouse early embryogenesis
... The protein CHD1 is a member of the family of ATPase-dependent chromatin remodeling factors. CHD1, which recognizes trimethylated histone H3 lysine 4, has been implicated in transcriptional activation in organisms ...
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Regulation of Zygotic Transcription and Cell Cycle Checkpoints in Early Embryogenesis
... For many organisms, the first goal of embryogenesis is to accumulate a large cell population to accommodate gastrulation. To achieve this quickly, embryos employ specialized cell cycles called cleavages that ...
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Telomere Regeneration in Spermatogenesis and During Early Embryogenesis
... this early undifferentiated state of development, yet reach a maximum length during the elongated spermatid ...during embryogenesis, especially between the morula and blastocyst stages of development, where ...
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The regulation of let-7 microRNA biogenesis in early embryogenesis
... Lin28 is an ES-cell specific RNA binding protein that was originally identified in C. elegans as a heterochronic gene (Ambros & Horvitz, 1984); mutations in the lin-28 gene caused precocious differentiation of many ...
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Errors in chromosome segregation during oogenesis and early embryogenesis
... The main problems occurring during oogenesis are 1 errors in meiotic chromosome pairing and recombination at the meiosis I prophase; 2 insufficient elimination of chromosomally abnormal [r] ...
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Nuclear re organisation of the Hoxb complex during mouse embryonic development
... during early embryogenesis. (A) FISH with MMU11 chromosome paint (green) and Hoxb1 probe (red) on a field of nuclei from E7.5 primitive streak regions. The image is a maximal pixel intensity projection from ...
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The characterisation of a developmentally regulated transcription factor which complexes with the retinoblastoma gene product
... One pathway by which we may be able to learn more about the regulation o f gene expression during early embryogenesis is by studying DNA binding proteins that are[r] ...
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The RNA binding protein Mex3b has a fine tuning system for mRNA regulation in early Xenopus development
... Fig. 5. Functional analysis of Mex3b in early embryogenesis. (A-J) Overexpression of mex3b by mRNA injection. (K-Q ⬘ ) Knockdown of mex3b by MO injection. mRNA (1 ng) or MO (50 ng) was co-injected with n β ...
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FGF signalling: diverse roles during early vertebrate embryogenesis
... during early embryogenesis (Lea et ...during early development? Although some progress toward resolving these questions has been made over recent years (Beenken and Mohammadi, 2009; Itoh and Ornitz, ...
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Oskar allows nanos mRNA translation in Drosophila embryos by preventing its deadenylation by Smaug/CCR4
... Smg and its yeast homologue Vts1 were shown to be involved in the degradation of mRNAs (Aviv et al., 2003; Semotok et al., 2005). Smg induces degradation and deadenylation of Hsp83 mRNA during early ...
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Multiple Dlk1 splice variants are expressed during early mouse embryogenesis
... To determine which Dlk1 isoforms are expressed during early embryogenesis, we examined mouse embryos at TS13 ( ~ E8.5) and TS18 ( ~ E10.5; Fig. 1). Using primers that flank the alternatively- spliced region ...
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Cnidarian Sox genes and the evolution of function in the Sox gene family
... Members of the Sox transcription factor family have a wide variety of roles in the development of higher animals, including neural development and early embryogenesis. To better understand both the ...
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Developmental role for ACF1 containing nucleosome remodellers in chromatin organisation
... The assembly of regular nucleosomal arrays is a fundamental process, so it is surprising that the expression of CHRAC/ACF was restricted to particular cell types during development. Clearly, other remodelling factors can ...
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De novo recruitment of Polycomb group proteins in Drosophila embryos
... during early embryogenesis by a maternally expressed transcription factor, and show the temporal recruitment of components of three PcG protein complexes: PhoRC, PRC1 and ...
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Biophysical mechanisms of cardiac looping
... During early embryogenesis, the heart is a single, relatively straight tube which bends and twists (loops) rightward to create the basic plan of the mature ...
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The Drosophila sex determination gene snf is utilized for the establishment of the female-specific splicing pattern of Sex-lethal.
... In early embryogenesis, the pattern of accumulation of the early transcripts and the early proteins is similar in both mutant and control embryos; not only do the emb[r] ...
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Expression of serotonergic system components during early Xenopus embryogenesis
... It is known that the main pathway of serotonin degradation is its enzymatic oxidation by monoamine oxidase A (Shih et al., 1999). The MAOA mRNA expression was not detected in dejellied oocytes, whereas it was detected in ...
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Expression of CAP2 during early Xenopus embryogenesis
... ABSTRACT We have cloned and characterized a second member of the Xenopus CAP (cyclase associated protein) gene family. xCAP2 demonstrates greater restriction of expression than its homolog, xCAP1, and is differentially ...
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