As part of the innate immunity system of host organism,antimicrobial peptides(AMPs) possess a wide spectrum of antimicrobial activity against eubacteria,fungi and eukaryotic parasites.AMPs are considered as one of potential alternates to the classical antibiotics in medicine,agriculture and food industry.The pathogenic microorganisms have correspondingly developed a defense system against the actions of AMPs during the co-evolution between the hosts and the pathogens.Recent discoveries on the resistance mec...