Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, <i>Danio rerio</i>

Hattori, Manabu; Hashimoto, Hisashi; Bubenshchikova, Ekaterina; Wakamatsu, Yuko

doi:10.7150/ijbs.7.460

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Int J Biol Sci 2011; 7(4):460-468. doi:10.7150/ijbs.7.460 This issue Cite

Research Paper

Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, Danio rerio

Manabu Hattori, Hisashi Hashimoto, Ekaterina Bubenshchikova, Yuko Wakamatsu^✉

Laboratory of Freshwater Fish Stocks, Bioscience and Biotechnology Center, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.

Citation:

Hattori M, Hashimoto H, Bubenshchikova E, Wakamatsu Y. Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, Danio rerio. Int J Biol Sci 2011; 7(4):460-468. doi:10.7150/ijbs.7.460. https://www.ijbs.com/v07p0460.htm

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Abstract

We previously established a novel method for nuclear transfer in medaka (Oryzias latipes) using non-enucleated, diploidized eggs as recipients for adult somatic cell nuclei. Here we report the first attempt to apply this method to another fish species. To examine suitability of using non-enucleated eggs as recipients for nuclear transfer in the zebrafish (Danio rerio), we transferred blastula cell nuclei from a wild-type donor strain to non-enucleated, unfertilized eggs from a golden recipient strain. As a result, 31 of 184 (16.8%) operated eggs developed normally and reached the adult stage. Twenty-eight (15.2%) of these transplants showed wild-type phenotype and the remaining three (1.6%) were golden. Except for one individual that exhibited diploid/tetraploid mosaicism, all of the wild-type nuclear transplants were either triploid or diploid. While all of 19 triploid transplants were infertile, a total of six transplants (21.4%) were fertile (five of the eight diploid transplants and one transplant exhibiting ploidy mosaicism). Except for one diploid individual, all of the fertile transplants transferred both the wild-type golden gene allele (slc24a5) as well as the phenotype, the wild-type body color, to their F₁ and F₂ progeny in a typical Mendelian fashion. PCR analysis of slc24a5 suggested that triploidy originated from a fused nucleus in the diploid donor and haploid recipient nuclei, and that the sole origin of diploidy was the diploid donor nucleus. The results of the present study demonstrated the suitability of using non-enucleated eggs as recipients for nuclear transfer experiments in zebrafish.

Keywords: nuclear transfer, embryonic cells, non-enucleated eggs, zebrafish

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APA

Hattori, M., Hashimoto, H., Bubenshchikova, E., Wakamatsu, Y. (2011). Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, Danio rerio. International Journal of Biological Sciences, 7(4), 460-468. https://doi.org/10.7150/ijbs.7.460.

ACS

Hattori, M.; Hashimoto, H.; Bubenshchikova, E.; Wakamatsu, Y. Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, Danio rerio. Int. J. Biol. Sci. 2011, 7 (4), 460-468. DOI: 10.7150/ijbs.7.460.

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CSE

Hattori M, Hashimoto H, Bubenshchikova E, Wakamatsu Y. 2011. Nuclear Transfer of Embryonic Cell Nuclei to Non-enucleated Eggs in Zebrafish, Danio rerio. Int J Biol Sci. 7(4):460-468.

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