Influence of the Activator of Transcription gal4 on Growth and Development of Embryos and Embryonic Cells in Primary Cultures of Sand Dollar

Influence of the Activator of Transcription gal4 on Growth and Development of Embryos and... In order to solve many tasks of biotechnology, constant lines of the cells of marine invertebrates with a high growth potential are required, which are absent at present. We used the universal activator of transcription gal4 to change the degree of expression of genes of growth factors in embryonic sea urchin cells and, thereby, increase their proliferative activity. The fertilized sea urchin eggs and dissociated embryonic cells at the blastula stage were treated with plasmids containing both the functional gene gal4 and the gene devoid of the regions encoding the activator domain. The transfection of embryonic sea urchin eggs with the functional gene led to cell dedifferentiation and formation of tumor-like structures in the embryos or increased number of embryonic cells in culture. In the cells obtained from the transfected embryos, the pigments were found within two months of cultivation, whose absorption spectrum coincided with that of echinochrome. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Influence of the Activator of Transcription gal4 on Growth and Development of Embryos and Embryonic Cells in Primary Cultures of Sand Dollar

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/A:1024992415489
Publisher site
See Article on Publisher Site

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