Team:BrownTwo/Protocols/bbyeastchrom
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- | + | The Registry includes a growing number of parts for use in yeast, but there currently exist no BBa compatible yeast shuttle vectors. In our work, we have chosen to utilize Sikorski yeast vectors to integrate BBa parts into yeast chromosomes. [1] With genomic insertion, each transformation is stable, being reproduced with the rest of the chromosome. Additionally, exactly one copy of each insertion is present in transformed strains, allowing for precise control of the relative expression levels of multiple elements. The Sikorski vectors can be transformed into E. coli for construction and propagation. There exist four integrative vectors in the pRS30x family, each integrating at a different auxotrophic locus and containing the amino acid synthesis gene to fill that auxotrophy as a marker for integration. Unfortunately, the vectors are not Biobrick compatable- they each contain one extraneous Biobrick site, and lack the standard cloning site. If time permits, we would like to make these vectors BBa compatible. In the meantime, there do exist simple methods for cloning BBa parts onto the pRS30x vectors for yeast chromosomal integration. [2] We have taken a cue from Pam Silver’s lab in using the following protocols: <br /> | |
<em>Shuttling BBa constructs onto yeast chromosomes</em></p> | <em>Shuttling BBa constructs onto yeast chromosomes</em></p> | ||
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Revision as of 02:44, 30 October 2008
Moving Biobrick Constructs onto Yeast ChromosomesA New Standard for Biobrick Construction
Alternatively, the final BBa construction ligation can be done as a double insertion onto a pRS30x vector:
http://www.natureprotocols.com/2007/01/31/highefficiency_yeast_transform.php [1] http://www.genetics.org/cgi/reprint/122/1/19.pdf |