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Temporally-Controlled Site-Specific Recombination in Zebrafish

Open access
Hans, Stefan, Kaslin, Jan, Freudenreich, Dorian, Brand, Michael·2009·PLoS ONE

Abstract

Conventional use of the site-specific recombinase Cre is a powerful technology in mouse, but almost absent in other vertebrate model organisms. In zebrafish, Cre-mediated recombination efficiency was previously very low. Here we show that using transposon-mediated transgenesis, Cre is in fact highly efficient in this organism. Furthermore, temporal control of recombination can be achieved by using the ligand-inducible CreER(T2). Site-specific recombination only occurs upon administration of the drug tamoxifen (TAM) or its active metabolite, 4-hydroxy-tamoxifen (4-OHT). Cre-mediated recombination is detectable already 4 or 2 hours after administration of TAM or 4-OHT, demonstrating fast recombination kinetics. In addition, low doses of TAM allow mosaic labeling of single cells. Combined, our results show that conditional Cre/lox will be a valuable tool for both, embryonic and adult zebrafish studies. Furthermore, single copy insertion transgenesis of Cre/lox constructs suggest a strategy suitable also for other organisms.

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Metadata

Authors
Hans, S., Kaslin, J., Freudenreich, D., & Brand, M.
Venue
PLoS ONE
Published
2009-02-27
Volume
4
Issue
2
Pages
e4640
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2093279832
Cited by
198
References
1
FWCI
8.44
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Temporally-Controlled Site-Specific Recombination in Zebrafish. https://app.cochat.ai/papers/10.1371/journal.pone.0004640
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Hans, S., Kaslin, J., Freudenreich, D., & Brand, M. (2009). Temporally-Controlled Site-Specific Recombination in Zebrafish. PLoS ONE. https://doi.org/10.1371/journal.pone.0004640

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