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Sunday, July 26, 2020 | History

5 edition of Primordial germ cells in the chordates found in the catalog.

Primordial germ cells in the chordates

embryogenesis and phylogenesis

by Pieter D. Nieuwkoop

  • 195 Want to read
  • 11 Currently reading

Published by Cambridge University Press in Cambridge [Eng.], New York .
Written in English

    Subjects:
  • Germ cells,
  • Chordata -- Embryology

  • Edition Notes

    StatementPieter D. Nieuwkoop, Lien A. Sutasurya.
    SeriesDevelopmental and cell biology series ;, 7
    ContributionsSutasurya, Lien A.
    Classifications
    LC ClassificationsQL964 .N53 1979
    The Physical Object
    Paginationxi, 187 p. :
    Number of Pages187
    ID Numbers
    Open LibraryOL4730008M
    ISBN 100521223032
    LC Control Number78018101

    During gastrulation, chicken primordial germ cells (PGCs) are present in an extraembryonic region of the embryo from where they migrate towards the genital ridges. This is also observed in mammals, but in chicken the vehicle used by the migratory PGCs is the vascular system. We have analysed the migratory pathway of chicken PGCs, focusing on the period of transition from the extraembryonic. At hatching, the gonad comprises the primordial germ cells (Z2 and Z3) flanked by the somatic gonad precursors (Z1 and Z4) and their surrounding basement four cells remain mitotically quiescent until the mid-L1. nanos-related genes have been implicated in the localization of Z2 and Z3 to the gonad, maintenance of quiescence, and germline survival.

      Primordial germ cells (PGCs) are the precursors of sperm and eggs most animals, segregation of the germ line from the somatic lineages is one of the earliest events in . cells, such as stem cells, retain both the ability to self-renew and to create new differentiated cells. One such stem cell, the germline stem cell (GSC), gives rise to a continual supply of germ cells, which are specialized for the task of reproduction. Yet once egg and sperm fuse, the resulting zygote is totipotent, and thus can give rise.

    INTRODUCTION. During early embryonic development of fishes, as in other vertebrates, primordial germ cells (PGCs) arise at extragonadal locations (Nieuwkoop and Sutasurya, ; Eddy and Hahnel, ).The most prominent events that characterize germ cell development are early segregation of the progenitors of the germ cells, the PGCs, from the somatic cell lineages, migration of the PGCs to. The germ cell retains the large chromosomes present in the fertilized egg; in the somatic cells the chromosomes become fragmented. Subsequently, the single germ cell gives rise, by mitotic divisions, to all the gametes in the gonad. In vertebrates, primordial germ cells arise outside the gonads, but they cannot be distinguished in early.


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Primordial germ cells in the chordates by Pieter D. Nieuwkoop Download PDF EPUB FB2

Primordial Germ Cells in the Chordates: Embryogenesis and phylogenesis (Developmental and Cell Biology Series) Hardcover – Octo by Peter D. Nieuwkoop (Author), Lien A.

Sutasurya (Author)Author: Peter D. Nieuwkoop, Lien A. Sutasurya. Primordial Germ Cells in the Chordates: Embryogenesis and Phylogenesis Peter D. Nieuwkoop, Lien A. Sutasurya CUP Archive, - Science - pages. The University of Chicago Press Books; Chicago Distribution Center; The University of Chicago.

Primordial germ cells in the chordates. Developmental and cell biology, volume 7 By P. Nieuwkoop and L. Sutasurya.

Cambridge: Cambridge University Press. $Author: L. Dennis Smith. Corpus ID: Primordial germ cells in the chordates: embryogenesis and phylogenesis @inproceedings{NieuwkoopPrimordialGC, title={Primordial germ cells in the chordates: embryogenesis and phylogenesis}, author={Pieter D.

Nieuwkoop and Lien A. Sutasurya}, year={} }. Primordial germ cells in the chordates: embryogenesis and phylogenesis. Cambridge [Eng.] ; New York: Cambridge University Press.

MLA Citation. Nieuwkoop, Pieter D. and Sutasurya, Lien A. Primordial germ cells in the chordates: embryogenesis and phylogenesis / Pieter D. Nieuwkoop, Lien A. Sutasurya Cambridge University Press Cambridge [Eng.] ; New York Primordial germ cells (PGCs), the ancestors of the gametes, originate in the mouse at least as early as on day 7 of development (for review see Wylie and Anderson, ).

They arise from a population of pluripotent cells in the proximal epiblast close to the extraembryonic ectoderm. PRIMORDIAL germ cells (PGCs) are first identifiable as a population of about eight alkaline phosphatase-positive cells in the days postcoitum mouse embryo1.

During the next 6 Missing: chordates. Primordial Germ Cells and Sex Determination in Mammals. Sexual reproductive strategies can vary enormously between different organisms. In the rest of this chapter, we focus mainly on the strategies used by mammals.

In all vertebrate embryos, certain cells are singled out early in developmentas progenitors of the gametes. Primordial Germ Cells in the Chordates: Embryogenesis and Phylogenesis avg rating — 0 ratings — published Want to Read saving.

Primordial germ cells (PGCs) arise elsewhere in the embryo and migrate into developing gonadal ridges during embryonic development.

In several model animals, formation and migration patterns of PGCs have been studied, and it is known that these patterns vary.

Sturgeons (genus Acipenser) have great potential for comparative and evolutionary studies of development. In many animals, primordial germ cells (PGCs) are the first germline cell population (Saitou and Yamaji ), which colonize the developing gonads by active migration (Richardson and Lehmann ).

In the gonads, PGCs initiate differentiation either toward a spermatogenic (male) or. Mouse and human embryonic stem cells. The first forays into understanding pluripotency in the mammalian embryo began with rather simple experiments in which pieces of mouse germ cell tumors known as teratocarcinomas were grown in culture and a variety of pluripotent cell types emerged (Solder, ).One cell type, termed Embryonal Carcinoma Cells (ECCs), produced all three germ.

Get this from a library. Primordial germ cells in the chordates: embryogenesis and phylogenesis. [Pieter D Nieuwkoop; Lien A Sutasurya]. Primordial Germ Cells in the Chordates: Embryogenesis and phylogenesis. Cambridge: Cambridge University Press; [Google Scholar] Heasman J, Holwill S, Wylie CC.

Fertilization of cultured Xenopus oocytes and use in studies of maternally inherited molecules. Methods Cell Biol. ; – [Google Scholar]. A germ cell is any biological cell that gives rise to the gametes of an organism that reproduces many animals, the germ cells originate in the primitive streak and migrate via the gut of an embryo to the developingthey undergo meiosis, followed by cellular differentiation into mature gametes, either eggs or animals, plants do not have germ cells.

(International Student Edition), Primordial Germ Cells in the Chordates, Cambridge University Press, Cambridge (), pp. G.H.M. Gottschewski, W.

Zimmermann. Female germ cell development. InHübner and colleagues demonstrated that in vitro cultures of differentiating embryonic stem cells (ES cells) yielded structures resembling primordial follicles and even oocyte-like cells (Hubner et al., ).Using transgenic ES cells expressing a GFP fluorescent reporter gene under the control of a germ-cell specific Oct4 promoter, they Missing: chordates.

Primordial germ cells (PGCs) are the precursors of the progenitors of the oocytes and spermatocytes. The unique properties and accessibility of avian PGCs during early development provide an opportunity to manipulate with the avian germplasm. In this review the recent developments of the embryo manipulation techniques and the use of PGCs for the conservation of genetic resources and as a.

Genetic basis for primordial germ cells specification in mouse and human: Conserved and divergent roles of PRDM and SOX transcription factors Anastasiya Sybirna, Frederick C.K. Wong and M. Azim Surani 3. Germ cell reprogramming Kazuki Kurimoto and Mitinori Saitou 4.

From worm to germ: Germ cell development and regeneration in planarians. Germ Cell Primordial Germ Cell Primitive Streak Germ Cell Differentiation Lateral Plate Mesoderm These keywords were added by machine and not by the authors.

This process is experimental and the keywords may be updated as the learning algorithm improves.Primordial germ cell migration and the Wnt signaling pathway. Andrea V. Cantú, Diana J. Laird1. Department of Ob/Gyn and Reproductive Sciences, Center for Reproductive Sciences, Eli and Edythe Broad Center for Regeneration Medicine & Stem Cell Research, San Francisco, CA, USA.

Abstract. A critical step in the development of gametes is.The signals directing primordial germ cell (PGC) migration in vertebrates are largely unknown. We demonstrate that sdf-1 mRNA is expressed in locations where PGCs are found and toward which they migrate in wild-type as well as in mutant embryos in which PGC migration is abnormal.

Knocking down SDF-1 or its receptor CXCR4 results in severe defects in PGC migration.