Table 1.

Stability of pQS series in batch culture

Strain and plasmid		% of colonies with plasmid
		0 h	18 h	24 h
S. aureus Sa2
pQS1		99.97 ± 0.05	99.88 ± 0.24	99.64 ± 0.64
pQS3		100.0 ± 0.00	99.74 ± 0.38	98.24 ± 3.26
S. aureus Sa25
pQS1		99.62 ± 0.22	99.37 ± 0.55	99.40 ± 0.46
pQS3		99.65 ± 0.09	99.30 ± 0.57	99.13 ± 0.64
S. aureus Sa27
pQS1		99.93 ± 0.12	99.43 ± 0.51	99.61 ± 0.52
pQS3		99.88 ± 0.15	99.55 ± 0.93	97.96 ± 3.48
S. aureus Sa30
pQS1		99.63 ± 0.19	99.42 ± 0.58	99.41 ± 0.46
pQS3		99.65 ± 0.09	99.30 ± 0.57	99.13 ± 0.64