, is liable for biosynthesis of host-selective ACR-toxin in the rough lemon pathotype of Alternaria alternata A set of degenerate primers unique to conserved sequence motifs of NRPS genes (cps1 and cps2) was then used to PCR amplify NRPS gene fragments in the genomic DNA of the. alternata Monomer specificity https://better988cnx0.wikicommunications.com/user