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Table 3 Splenic recovery of B. suis strains six weeks after intraperitoneal inoculation in BALB/c mice

From: Brucella suis urease encoded by ure 1 but not ure 2 is necessary for intestinal infection of BALB/c mice

Strain

Injected dosage (log10 cfu/mouse)

cfu 6 weeks after inoculation (log10/spleen)a

Trial-1

  

1330 (wild)

5.24

4.41 ± 0.18†

1330Δure 1K

5.24

4.61 ± 0.20†

1330Δure 2K

5.22

4.40 ± 0.18†

1330ΔctpA (control)

5.25

2.04 ± 0.89‡

Trial-2

  

1330 (wild)

4.11

4.25 ± 0.23

1330Δure 2C

4.16

4.17 ± 0.25

1330Δure 1KΔure 2C

4.28

4.19 ± 0.31

  1. aIn Trial-1:P value for the difference among mean values was <0.005. The mean value of a strain designated by a dagger (†) is significantly different from the mean value of a strain designated by a double dagger (‡) but is not significantly different between strains designated by the same symbol.
  2. In Trial-2: The observed significance level among mean values was < 0.1 <P < 0.9.
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BMC Microbiology

ISSN: 1471-2180

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