Using a self-made strong selective broth (Phage-Novobiocin-Tetrathionate Broth.PNT)for Salmonella, we establish a PNT -PCR method for detection of the bactria in food.
By comparing the DNA of Salmonella serovar Typhimurium DT104 with the known DNA code of another Salmonella strain, Hermans found new DNA fragments in DT104.
CONCLUSION: Base pair substitution mutation and frame shift mutation were caused by folpet in Ames test.And DNA breakage in human PMNC might be induced by folpet.