You want to make zeaxanthin in E. coli, and a friend has offered to give you a plasmid vector containing a gene that encodes one of the necessary enzymes. You can detect the RNA for the gene, but cannot find any protein being translated. Which sequence, required for efficient translation in E. coli, may be missing or mutated in this vector?

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Selectable marker




Polyadenylation signal


Shine-Dalgarno sequence


asked Jun 5, 2013 in Genetics by GeneX ~Top Expert~ (7,933 points)

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Shine-Dalgarno sequence


answered Jun 5, 2013 by GeneX ~Top Expert~ (7,933 points)

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