A versatile in vivo system for directed dissection of gene expression patterns

Daryl M. Gohl; Marion A. Silies; Xiaojing J. Gao; Sheetal Bhalerao; Francisco J. Luongo; Chun Chieh Lin; Christopher J. Potter; Thomas R. Clandinin

doi:10.1038/nmeth.1561

A versatile in vivo system for directed dissection of gene expression patterns

Daryl M. Gohl, Marion A. Silies, Xiaojing J. Gao, Sheetal Bhalerao, Francisco J. Luongo, Chun Chieh Lin, Christopher J. Potter, Thomas R. Clandinin

School of Medicine

Research output: Contribution to journal › Article › peer-review

115 Scopus citations

Abstract

Tissue-specific gene expression using the upstream activating sequence (UAS)GAL4 binary system has facilitated genetic dissection of many biological processes in Drosophila melanogaster. Refining GAL4 expression patterns or independently manipulating multiple cell populations using additional binary systems are common experimental goals. To simplify these processes, we developed a convertible genetic platform, the integrase swappable in vivo targeting element (InSITE) system. This approach allows GAL4 to be replaced with any other sequence, placing different genetic effectors under the control of the same regulatory elements. Using InSITE, GAL4 can be replaced with LexA or QF, allowing an expression pattern to be repurposed. GAL4 can also be replaced with GAL80 or split-GAL4 hemi-drivers, allowing intersectional approaches to refine expression patterns. The exchanges occur through efficient in vivo manipulations, making it possible to generate many swaps in parallel. This system is modular, allowing future genetic tools to be easily incorporated into the existing framework.

Original language	English (US)
Pages (from-to)	231-237
Number of pages	7
Journal	Nature Methods
Volume	8
Issue number	3
DOIs	https://doi.org/10.1038/nmeth.1561
State	Published - Mar 2011

ASJC Scopus subject areas

Biotechnology
Biochemistry
Molecular Biology
Cell Biology

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title = "A versatile in vivo system for directed dissection of gene expression patterns",

abstract = "Tissue-specific gene expression using the upstream activating sequence (UAS)GAL4 binary system has facilitated genetic dissection of many biological processes in Drosophila melanogaster. Refining GAL4 expression patterns or independently manipulating multiple cell populations using additional binary systems are common experimental goals. To simplify these processes, we developed a convertible genetic platform, the integrase swappable in vivo targeting element (InSITE) system. This approach allows GAL4 to be replaced with any other sequence, placing different genetic effectors under the control of the same regulatory elements. Using InSITE, GAL4 can be replaced with LexA or QF, allowing an expression pattern to be repurposed. GAL4 can also be replaced with GAL80 or split-GAL4 hemi-drivers, allowing intersectional approaches to refine expression patterns. The exchanges occur through efficient in vivo manipulations, making it possible to generate many swaps in parallel. This system is modular, allowing future genetic tools to be easily incorporated into the existing framework.",

author = "Gohl, {Daryl M.} and Silies, {Marion A.} and Gao, {Xiaojing J.} and Sheetal Bhalerao and Luongo, {Francisco J.} and Lin, {Chun Chieh} and Potter, {Christopher J.} and Clandinin, {Thomas R.}",

note = "Funding Information: We thank members of the Clandinin laboratory for helpful advice; M. M{\"u}ller (University of Basel), M. Wernet (Stanford University), T. Schwabe (Stanford University), G. Dietzl (Stanford University), J. Bateman (Bowdoin College), L. Luo (Stanford University), C.-H. Lee (US National Institutes of Health) and P. Schedl (Princeton University) for reagents; S. Burns for assistance with experiments; and A. Parks at the Bloomington Drosophila Stock Center. M. Klovstad, L. Luo and T. Schwabe provided valuable comments on the manuscript. M. Spletter helped score antennal lobes. This work was funded by a National Institutes of Health Director{\textquoteright}s Pioneer Award DP1 OD003530 (T.R.C.) and by National Institutes of Health R01 EY015231 (T.R.C.). D.M.G. and M.A.S. were supported by Stanford Dean{\textquoteright}s Postdoctoral fellowships.",

year = "2011",

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doi = "10.1038/nmeth.1561",

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AU - Silies, Marion A.

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AU - Luongo, Francisco J.

AU - Lin, Chun Chieh

AU - Potter, Christopher J.

AU - Clandinin, Thomas R.

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AB - Tissue-specific gene expression using the upstream activating sequence (UAS)GAL4 binary system has facilitated genetic dissection of many biological processes in Drosophila melanogaster. Refining GAL4 expression patterns or independently manipulating multiple cell populations using additional binary systems are common experimental goals. To simplify these processes, we developed a convertible genetic platform, the integrase swappable in vivo targeting element (InSITE) system. This approach allows GAL4 to be replaced with any other sequence, placing different genetic effectors under the control of the same regulatory elements. Using InSITE, GAL4 can be replaced with LexA or QF, allowing an expression pattern to be repurposed. GAL4 can also be replaced with GAL80 or split-GAL4 hemi-drivers, allowing intersectional approaches to refine expression patterns. The exchanges occur through efficient in vivo manipulations, making it possible to generate many swaps in parallel. This system is modular, allowing future genetic tools to be easily incorporated into the existing framework.

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A versatile in vivo system for directed dissection of gene expression patterns

Abstract

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