In vivo protein trapping produces a functional expression codex of the vertebrate proteome.

In vivo protein trapping produces a functional expression codex of the vertebrate proteome.
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DOI:
10.1038/nmeth.1606
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发表时间:
2011-06
期刊:
影响因子:
48
通讯作者:
Ekker, Stephen C.
Ekker, Stephen C.
中科院分区:
生物学1区
文献类型:
--
作者:
Clark, Karl J.;Balciunas, Darius;Pogoda, Hans-Martin;Ding, Yonghe;Westcot, Stephanie E.;Bedell, Victoria M.;Greenwood, Tammy M.;Urban, Mark D.;Skuster, Kimberly J.;Petzold, Andrew M.;Ni, Jun;Nielsen, Aubrey L.;Patowary, Ashok;Scaria, Vinod;Sivasubbu, Sridhar;Xu, Xiaolei;Hammerschmidt, Matthias;Ekker, Stephen C.

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We describe a conditional in vivo protein trap mutagenesis system that reveals spatio-temporal protein expression dynamics and assesses gene function in the vertebrate Danio rerio. Integration of pGBT-RP2 (RP2), a gene-breaking transposon containing a protein trap, efficiently disrupts gene expression with >97% knockdown of normal transcript levels while simultaneously reporting protein expression of each locus. The mutant alleles are revertible in somatic tissues via Cre recombinase or splice-site blocking morpholinos, thus representing the first systematic conditional mutant alleles outside the mouse model. We report a collection of 350 zebrafish lines including a diverse array of molecular loci. RP2 integrations reveal the complexity of genomic architecture and gene function in a living organism and can provide information on protein subcellular localization. The RP2 mutagenesis system is a step towards a unified codex of protein expression and direct functional annotation of the vertebrate genome.
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