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The infectious BAC genomic DNA expression library: a high capacity vector system for functional genomics

Abstract:
Gene dosage plays a critical role in a range of cellular phenotypes, yet most cellular expression systems use heterologous cDNA-based vectors which express proteins well above physiological levels. In contrast, genomic DNA expression vectors generate physiologically-relevant levels of gene expression by carrying the whole genomic DNA locus of a gene including its regulatory elements. Here we describe the first genomic DNA expression library generated using the high-capacity herpes simplex virus-1 amplicon technology to deliver bacterial artificial chromosomes (BACs) into cells by viral transduction. The infectious BAC (iBAC) library contains 184,320 clones with an average insert size of 134.5 kb. We show in a Chinese hamster ovary (CHO) disease model cell line and mouse embryonic stem (ES) cells that this library can be used for genetic rescue studies in a range of contexts including the physiological restoration of Ldlr deficiency, and viral receptor expression. The iBAC library represents an important new genetic analysis tool openly available to the research community.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/srep28644

Authors


More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Physiology Anatomy & Genetics
Role:
Author


More from this funder
Funding agency for:
Wade-Martins, R
Grant:
BB/D012910/1
More from this funder
Funding agency for:
Wade-Martins, R
Grant:
BB/D012910/1
More from this funder
Funding agency for:
Lufino, M


Publisher:
Nature Publishing Group: Open Access Journals - Option C
Journal:
PLoS ONE More from this journal
Volume:
6
Article number:
28644
Publication date:
2016-06-29
Acceptance date:
2016-05-13
DOI:
ISSN:
2045-2322


Pubs id:
pubs:629473
UUID:
uuid:43618ae5-ae88-4fa7-8c04-59fcc7a00ae4
Local pid:
pubs:629473
Source identifiers:
629473
Deposit date:
2016-06-23

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