Trisomisation par non-disjonction des chromosomes impliqu�s dans une translocation r�ciproque, chez l'amphibien urod�le Pleurodeles waltlii Michah.

Labrousse, M.

doi:10.1007/bf00128413

Genetica

1984

DOI: 10.1007/bf00128413

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Trisomisation par non-disjonction des chromosomes impliqu�s dans une translocation r�ciproque, chez l'amphibien urod�le Pleurodeles waltlii Michah.

M. Labrousse

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1987

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Production of fertile salamanders by transfer of germ cell nuclei into eggs

Lesimple¹,

Dournon²,

Labrousse³

et al. 1987

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In amphibians, the ability of somatic cell nuclei to give rise to embryos in nuclear transplantation experiments has been thoroughly investigated and shown to be limited, except in Xenopus laevis. Similar experiments have been performed with primordial germ cells from genital ridges and spermatogonia. In the present paper, we have studied the capacity of germ cell nuclei to promote development of complete and fertile adults in the urodele amphibian Pleurodeles waltl. Germ cell nuclei were taken from larvae at progressive stages of larval development up to metamorphosis and transplanted into enucleated eggs. Two nonlethal chromosomal mutations were used as nuclear markers in two control series. Nuclei from all developmental stages tested were able to initiate larval development. Furthermore, nine individuals underwent metamorphosis (representing 3% of normal blastulae) and six of these animals are now adults. When two of these six animals, a male and a female, were mated to each other, the offspring were normal. These results show conclusively, for the first time in amphibians, that germ cell nuclei remain totipotent at least during the larval period.

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Production of fertile salamanders by transfer of germ cell nuclei into eggs

Lesimple¹,

Dournon²,

Labrousse³

et al. 1987

Development

View full text Add to dashboard Cite

show abstract

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Trisomisation par non-disjonction des chromosomes impliqu�s dans une translocation r�ciproque, chez l'amphibien urod�le Pleurodeles waltlii Michah.

Cited by 1 publication

References 21 publications

Production of fertile salamanders by transfer of germ cell nuclei into eggs

Production of fertile salamanders by transfer of germ cell nuclei into eggs

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