Cell Lineage and Embryo PatterningElsevier, 13 dic 2000 - 623 pagine International Review of Cytology presents current advances and comprehensive reviews in cell biology, both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.This volume brings together current information on the localization and roles of RNAs in cell-lineage determination and subsequent patterning in embryonic development. Guest co-editor Lawrence Etkin is one of the leading researchers in molecular genetics of Xenopus. Key Features* A number of important concepts are discussed, including:* How polarity is established during oogenesis* How germ cell determinants become organized in the establishment of the germ cell lineage* Different strategies used by organisms to establish the germ cell lineage* Similarities and differences between the mechanisms used in embryonic patterning* The mechanisms and machinery by which molecules such as RNA become asymmetrically segregated* The use of similar signaling pathways in patterning of the dorsal-ventral and right-left asymmetries, embryonic germ layers, limb, and nervous system* The link between fundamental biological processes such as RNA translation and localization in the regulation of axis specification |
Dall'interno del libro
Risultati 1-5 di 48
Pagina 11
... vegetal pole (Fig. 5A). As the myoplasm is translocated, the ectoplasm moves into the region immediately above the vegetal cap, and the endoplasm is displaced into the animal hemisphere. OS1 is mediated by the contraction of actin ...
... vegetal pole (Fig. 5A). As the myoplasm is translocated, the ectoplasm moves into the region immediately above the vegetal cap, and the endoplasm is displaced into the animal hemisphere. OS1 is mediated by the contraction of actin ...
Pagina 12
... poles of other animal eggs (Eddy, 1975; Kloc et al., 1996, Chap. 5). The fate and developmental function of the vegetal button materials remains to be determined, although its structure suggests that it may have affinities with the ...
... poles of other animal eggs (Eddy, 1975; Kloc et al., 1996, Chap. 5). The fate and developmental function of the vegetal button materials remains to be determined, although its structure suggests that it may have affinities with the ...
Pagina 14
... vegetal axis, the third cleavage passes through this axis, distributing the myoplasm to four rather than two cells ... pole region, where they mix with transparent cytoplasm to form the ectoplasm. Evidence for the existence of epidermal ...
... vegetal axis, the third cleavage passes through this axis, distributing the myoplasm to four rather than two cells ... pole region, where they mix with transparent cytoplasm to form the ectoplasm. Evidence for the existence of epidermal ...
Pagina 16
... vegetal fragments were assayed withHrEpiC,a zygotic gene expressed specifically in epidermal cells (Ueki et al ... pole. During ooplasmic segregation, the muscle determinants are segregated first into the vegetal pole region and then ...
... vegetal fragments were assayed withHrEpiC,a zygotic gene expressed specifically in epidermal cells (Ueki et al ... pole. During ooplasmic segregation, the muscle determinants are segregated first into the vegetal pole region and then ...
Pagina 17
... pole of the embryo. The fate of the B5.2 cells is complex, with ... vegetal posterior cytoplasm was removed from eggs after the completion of ... vegetal anterior fragments from a host egg were fused to the anterior region of a donor egg ...
... pole of the embryo. The fate of the B5.2 cells is complex, with ... vegetal posterior cytoplasm was removed from eggs after the completion of ... vegetal anterior fragments from a host egg were fused to the anterior region of a donor egg ...
Sommario
Patterning of the Embryo | 231 |
Mechanisms to Establish Polarity and Initiate Cell Fate Determination | 519 |
Index | 609 |
Parole e frasi comuni
actin activity addition animal appears ascidian associated asymmetric axis binding Biol blastomeres catenin chick cleavage complex components contains cyst cytoplasmic defects determinants differentiation division domain dorsal Drosophila early ectoderm ectopic effects elegans element embryo encodes endoderm establishment et al evidence experiments expression factor fate formation function gastrulation gene gene expression Genet germ cells germline granules growth identified important indicate induce inhibition initiation interactions involved known later left-right levels limb lineage localization markers maternal mechanisms mediated mesoderm migration molecular mouse mRNA muscle mutants Nature neural tube normal observed oocyte oogenesis organization pathway patterning PGCs plasm plate polar posterior present produce proliferation protein receptor region regulation repression role sequence shown signaling similar specification stage stem cell structure studies suggest tion tissue transcription factor translational vegetal vertebrate Xenopus
Brani popolari
Pagina 479 - TM (1994). Floor plate and motor neuron induction by vhh-1, a vertebrate homolog of hedgehog expressed by the notochord. Cell 76, 761-775.
Pagina 178 - De Strooper, B., Annaert, W., Cupers, P., Saftig, P., Craessaerts, K., Mumm, JS, Schroeter, EH, Schrijvers, V., Wolfe, MS, Ray, WJ, Goate, A., and Kopan, R.
Pagina 177 - J. (1987). glp-1 is required in the germ line for regulation of the decision between mitosis and meiosis in C. elegans. Cell 51, 589-599.
Pagina 479 - JLR (1993). Expression patterns of homeobox and other putative regulatory genes in the embryonic mouse forebrain suggest a neuromeric organization. Trends Neurosci.
Pagina 184 - Tabara, H., Sarkissian, M., Kelly, WG, Fleenor, J., Grishok, A., Timmons, L., Fire, A. and Mello, CC (1999) The rde-1 gene, RNA interference and transposon silencing in C. elegans. Cell 99, 123-132.
Pagina 286 - Nichols, J., Zevnik, B., Anastassiadis, K., Niwa, H., Klewe-Nebenius, D., Chambers, I., Scholer, H., and Smith, A. (1998). Formation of pluripotent stem cells in the mammalian embryo depends on the POU transcription factor Oct4. Cell 95, 379-391.
Pagina 345 - Molenaar, M., van de Wetering, M., Oosterwegel, M., Peterson-Maduro, J., Godsave, S., Korinek, V., Roose, J., Destree, O., and Clevers, H. (1996) XTcf-3 transcription factor mediates beta-catenin-induced axis formation in Xenopus embryos.
Pagina 342 - Moon, R. T. (1997). Establishment of the dorso-ventral axis in Xenopus embryos is presaged by early asymmetries in beta-catenin that are modulated by the Wnt signaling pathway.
Pagina 347 - H., and Kemler, R. (1989) The cytoplasmic domain of the cell adhesion molecule uvomorulin associates with three independent proteins structurally related in different species. EMBO J.
Pagina 476 - Krauss, S., Concordet, JP, and Ingham, PW (1993). A functionally conserved homolog of the Drosophila segment polarity gene hh is expressed in tissues with polarizing activity in zebrafish embryos. Cell 75, 1431-1444.