Table 3 Scheme of CyDye labelling used in Wt/gup1∆ DIGE. Four samples, originating from independent cell cultures of each strain, were used for differential labelling as indicated

I

Wt (1)

gup1Δ (4)

Internal standard

II

Wt (2)

gup1Δ (1)

Internal standard

III

gup1Δ (2)

Wt (3)

Internal standard

IV

gup1Δ (3)

Wt (4)

Internal standard