Table 1.

Conjugal transfer of 89K derivatives between S. suis 2 strains

Donor	Recipient	Transfer frequency (per donor)*
05ZYH33-89KSpc	SS2-NΔrecA	5.4 × 10−6
05ZYH33-89KSpc (DNase I)	SS2-NΔrecA	4.9 × 10−6
05ZYH33-89KSpc (supernatant)	SS2-NΔrecA	< 10−8
05ZYH33-89KSpc	S735::cat	6.0 × 10−6
05ZYH33-89KSpc	7996::cat	2.5 × 10−6
05ZYH33ΔmobA89K	SS2-NΔrecA	< 10−8
CΔmobA89K	SS2-NΔrecA	9.6 × 10−5
05ZYH33ΔmobC89K	SS2-NΔrecA	< 10−8
CΔmobC89K	SS2-NΔrecA	4.7 × 10−6
05ZYH33ΔvirB1-89K	SS2-NΔrecA	9.2 × 10−7
CΔvirB1-89K	SS2-NΔrecA	7.2 × 10−6
05ZYH33ΔvirB4-89K	SS2-NΔrecA	< 10−8
CΔvirB4-89K	SS2-NΔrecA	3.8 × 10−6
05ZYH33ΔvirB6-89K	SS2-NΔrecA	< 10−8
CΔvirB6-89K	SS2-NΔrecA	4.3 × 10−6
05ZYH33ΔvirD4-89K	SS2-NΔrecA	< 10−8
CΔvirD4-89K	SS2-NΔrecA	5.7 × 10−6
05ZYH33Δint	SS2-NΔrecA	< 10−8
CΔint	SS2-NΔrecA	4.1 × 10−6
05ZYH33Δxis	SS2-NΔrecA	8.7 × 10−8
CΔxis	SS2-NΔrecA	2.9 × 10−6
05ZYH33Δhlc	SS2-NΔrecA	< 10−8
CΔhlc	SS2-NΔrecA	6.5 × 10−6
05ZYH33 (pVA838-oriT)	SS2-NΔrecA	6.1 × 10−4
ΔmobA89K (pVA838-oriT)	SS2-NΔrecA	< 10−8

^*These values are the means of three independent experiments.