Schebelle, L. ; Wolf, C. ; Stribl, C.B. ; Javaheri, T. ; Schnütgen, F.* ; Ettinger, A. ; Ivics, Z.* ; Hansen, J. ; Ruiz, P.* ; von Melchner, H.* ; Wurst, W. ; Floß, T.
Efficient conditional and promoter-specific in vivo expression of cDNAs of choice by taking advantage of recombinase-mediated cassette exchange using FlEx gene traps.
Nucleic Acids Res. 38, e106-e106:e106 (2010)
Recombinase-mediated cassette exchange (RMCE) exploits the possibility to unidirectionally exchange any genetic material flanked by heterotypic recombinase recognition sites (RRS) with target sites in the genome. Due to a limited number of available pre-fabricated target sites, RMCE in mouse embryonic stem (ES) cells has not been tapped to its full potential tRecombinase-mediated cassette exchange (RMCE) exploits the possibility to unidirectionally exchange any genetic material flanked by heterotypic recombinase recognition sites (RRS) with target sites in the genome. Due to a limited number of available pre-fabricated target sites, RMCE in mouse embryonic stem (ES) cells has not been tapped to its full potential to date. Here, we introduce a universal system, which allows the targeted insertion of any given transcriptional unit into 85 742 previously annotated retroviral conditional gene trap insertions, representing 7013 independent genes in mouse ES cells, by RMCE. This system can be used to express any given cDNA under the control of endogenous trapped promoters in vivo, as well as for the generation of transposon 'launch pads' for chromosomal region-specific 'Sleeping Beauty' insertional mutagenesis. Moreover, transcription of the gene-of-interest is only activated upon Cre-recombinase activity, a feature that adds conditionality to this expression system, which is demonstrated in vivo. The use of the RMCE system presented in this work requires one single-cloning step followed by one overnight gateway clonase reaction and subsequent cassette exchange in ES cells with efficiencies of 40% in average.o date. Here, we introduce a universal system, which allows the targeted insertion of any given transcriptional unit into 85 742 previously annotated retroviral conditional gene trap insertions, representing 7013 independent genes in mouse ES cells, by RMCE. This system can be used to express any given cDNA under the control of endogenous trapped promoters in vivo, as well as for the generation of transposon 'launch pads' for chromosomal region-specific 'Sleeping Beauty' insertional mutagenesis. Moreover, transcription of the gene-of-interest is only activated upon Cre-recombinase activity, a feature that adds conditionality to this expression system, which is demonstrated in vivo. The use of the RMCE system presented in this work requires one single-cloning step followed by one overnight gateway clonase reaction and subsequent cassette exchange in ES cells with efficiencies of 40% in average.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
EMBRYONIC STEM-CELLS; FLP-RECOMBINASE; FUNCTIONAL-ANALYSIS; MAMMALIAN-CELLS; MOUSE GENOME; MICE; STRATEGY; INTEGRATION; ACTIVATION; PROTEINS
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2010
Prepublished im Jahr
HGF-Berichtsjahr
2010
ISSN (print) / ISBN
0305-1048
e-ISSN
1362-4962
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 38,
Heft: 9,
Seiten: e106-e106,
Artikelnummer: e106
Supplement: ,
Reihe
Verlag
Oxford University Press
Verlagsort
Tag d. mündl. Prüfung
0000-00-00
Betreuer
Gutachter
Prüfer
Topic
Hochschule
Hochschulort
Fakultät
Veröffentlichungsdatum
0000-00-00
Anmeldedatum
0000-00-00
Anmelder/Inhaber
weitere Inhaber
Anmeldeland
Priorität
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30204 - Cell Programming and Repair
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-500500-001
G-520600-001
Förderungen
Copyright
Erfassungsdatum
2010-07-01