Team:Cambridge/Project/In Vivo

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Expressing reflectin in E. coli

To help pave the way for the manipulation of living structural colour, we investigated the properties of recombinant reflectins in vivo. We designed multiple expression constructs to allow us to study reflectin under different conditions. An outline of our plan is given below.

CAM invivo flow.png

Isolating the reflectin gene

We initially attempted to clone reflectin genes from Loligo pealeii genomic DNA, but this proved difficult - extracting squid DNA is notoriously difficult and we were unable to obtain samples fresh enough to create a cDNA library. We are particularly grateful to Wendy Crookes-Goodson for her kind donation of plasmids containing reflectins codon-optimised for E. coli.

Designing expression constructs

Promoter choice, copy number - justification


Periplasmic Export