Fig 3. Inoculation of carrot callus with prokaryotically expressed products of Ab-cb-1.

A: carrot callus inoculated with the purified protein Ab-CB-1 in 1mg/ml; B: carrot callus inoculated with the primary enzyme extract from induced E. coli cells containing the Ab-CB-1 construct; C: carrot callus inoculated with distilled water; D: carrot callus inoculated with the primary enzyme extract from non-induced E. coli cells containing the Ab-CB-1 construct.