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Triple mammalian/yeast/bacterial shuttle vectors for single and combined Lentivirus- and Sindbis virus-mediated infections of neurons

Triple mammalian/yeast/bacterial shuttle vectors for single and combined Lentivirus- and Sindbis... Today, a large variety of viral vectors is available for ectopic gene expression in mammalian cell cultures or in vivo. Among them, infection with Sindbis virus- or Lentivirus-derived constructs is often used to address biological questions or for applications in neuronal therapies. However, cloning of genes of interest is time consuming, since it relies on restriction and ligation, frequently of PCR-generated DNA fragments with suitable restriction sites introduced by the primers employed. We here take advantage of the unusually high capacity for homologous recombination in Saccharomyces cerevisiae to circumvent this problem, and introduce a new set of triple shuttle vectors, which can be shuffled between E. coli, yeast, and mammalian cells. The system allows the introduction of genes of interest largely independent of the target site in the vectors. It also allows the removal of the yeast selection marker by Cre-recombinase directed recombination in E. coli, if vector size limits transfection efficiency in the mammalian cells. We demonstrate the expression of genes encoding fluorescent proteins (EGFP and mCherry) both separately and in combination, using two different viral systems in mammalian cell lines, primary neurons and organotypic slices. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular Genetics and Genomics Springer Journals

Triple mammalian/yeast/bacterial shuttle vectors for single and combined Lentivirus- and Sindbis virus-mediated infections of neurons

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References (33)

Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer-Verlag
Subject
Life Sciences; Animal Genetics and Genomics; Microbial Genetics and Genomics; Plant Genetics & Genomics; Cell Biology; Biochemistry, general
ISSN
1617-4615
eISSN
1617-4623
DOI
10.1007/s00438-012-0680-1
pmid
22327349
Publisher site
See Article on Publisher Site

Abstract

Today, a large variety of viral vectors is available for ectopic gene expression in mammalian cell cultures or in vivo. Among them, infection with Sindbis virus- or Lentivirus-derived constructs is often used to address biological questions or for applications in neuronal therapies. However, cloning of genes of interest is time consuming, since it relies on restriction and ligation, frequently of PCR-generated DNA fragments with suitable restriction sites introduced by the primers employed. We here take advantage of the unusually high capacity for homologous recombination in Saccharomyces cerevisiae to circumvent this problem, and introduce a new set of triple shuttle vectors, which can be shuffled between E. coli, yeast, and mammalian cells. The system allows the introduction of genes of interest largely independent of the target site in the vectors. It also allows the removal of the yeast selection marker by Cre-recombinase directed recombination in E. coli, if vector size limits transfection efficiency in the mammalian cells. We demonstrate the expression of genes encoding fluorescent proteins (EGFP and mCherry) both separately and in combination, using two different viral systems in mammalian cell lines, primary neurons and organotypic slices.

Journal

Molecular Genetics and GenomicsSpringer Journals

Published: Feb 12, 2012

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