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. 1999 Feb;67(2):562–567. doi: 10.1128/iai.67.2.562-567.1999

TABLE 4.

Plasmid stability in vivoa

Strain (plasmid) % Kanr
Day 1 Day 3 Day 7
ΔANR(pPA102) 108 ± 8b 113 ± 38 70 ± 30
ΔSterne(pPA102) 96 ± 8 98 ± 4 107 ± 9
ΔSterne(pJB2) 98 ± 14 95 ± 21 127 ± 12
a

B. anthracis strains were inoculated on day 0 and isolated from the leg muscles of three guinea pigs at each time point for each strain and plated in the presence and absence of KAN to determine plasmid retention. 

b

Values represent the mean ± the standard deviation from three animals.