Scalable recombinase-based gene expression cascades.
Scalable recombinase-based gene expression cascades.
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DOI:
10.1038/s41467-021-22978-4
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发表时间:
2021-05-11
影响因子:
16.6
通讯作者:
Lu TK
中科院分区:
文献类型:
--
作者:
Kim T;Weinberg B;Wong W;Lu TK
Temporal modulation of the expression of multiple genes underlies complex complex biological phenomena. However, there are few scalable and generalizable gene circuit architectures for the programming of sequential genetic perturbations. Here, we describe a modular recombinase-based gene circuit architecture, comprising tandem gene perturbation cassettes (GPCs), that enables the sequential expression of multiple genes in a defined temporal order by alternating treatment with just two orthogonal ligands. We use tandem GPCs to sequentially express single-guide RNAs to encode transcriptional cascades that trigger the sequential accumulation of mutations. We build an all-in-one gene circuit that sequentially edits genomic loci, synchronizes cells at a specific stage within a gene expression cascade, and deletes itself for safety. Tandem GPCs offer a multi-tiered cellular programming tool for modeling multi-stage genetic changes, such as tumorigenesis and cellular differentiation. There are few robust circuit architectures for sequential gene perturbations. Here, the authors use a modular recombinase-based design that sequentially edits loci, synchronizes cells, and deletes itself.
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Chavez A;Tuttle M;Pruitt BW;Ewen-Campen B;Chari R;Ter-Ovanesyan D;Haque SJ;Cecchi RJ;Kowal EJK;Buchthal J;Housden BE;Perrimon N;Collins JJ;Church G
通讯作者:
Church G
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14.8
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Dolberg TB;Meger AT;Boucher JD;Corcoran WK;Schauer EE;Prybutok AN;Raman S;Leonard JN
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Leonard JN
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Porteus MH
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作者:
Meyer, Adam J.;Segall-Shapiro, Thomas H.;Voigt, Christopher A.
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Voigt, Christopher A.