For 5 genes in this experiment
For resistance P. fluorescens FW300-N2E2 spent media from growth in 20 mM putrescine dihydrochloride in Pseudomonas fluorescens FW300-N2C3
For resistance P. fluorescens FW300-N2E2 spent media from growth in 20 mM putrescine dihydrochloride across organisms