Table 1 Number of passages needed to obtain confluent growth.

From: Development and characterisation of highly antibiotic resistant Bartonella bacilliformis mutants

 

Number of passages

Strains

 

Antibiotic

57.18

57.19

57.20

Mean

Azithromycin

10

12

20

14

Chloramphenicol

>40*

32

40

>37.3

Ciprofloxacin

6

11

15

10.6

Rifampicin

20

4

25

16.3

  1. *At the end of 40 passages, in presence of a chloramphenicol disc, a halo of 18 mm was observed.
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