Assertion: vanillin's effect | /r/CapableOf | use an e. coli derivative
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Source sentences:
text: In consideration of the inability of P. fluorescens cells to grow at 44°C, the effect of incubation temperature on the expression of ferulic catabolic genes was evaluated using an E. coli derivative, JM109(pE0) (Table 2), which contains the lacZ reporter gene under the control of BF13 P fer promoter.