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. 2010 Oct 1;192(23):6182–6190. doi: 10.1128/JB.00176-10

TABLE 5.

Metabolic burden of plasmids on E. coli host cells relative to plasmid-free cells

Plasmid Approximate PCN % relative fitness SD for relative fitness No. of cells tested P valuea
pRAS3.2 30 ± 5 95.30 1.56 6 0.001
pRAS3.1.34 31 ± 1 94.70 1.72 5 0.002
pRAS3.1.35 59 89.12 1.16 6 0.000
pRAS3.1 41 ± 4 92.52 2.64 6 0.001
pRAS3.1.74 15 ± 1 97.36 1.07 6 0.002
a

P value for the metabolic burden of plasmids on E. coli host cells compared to plasmid-free cells.