10.22376/ijpbs.2019.10.1.p1-12 Volume 5 Issue 2 2014 (April - June) Due to increasing antibiotic resistance by pathogenic bacteria, it has become necessary to develop new antimicrobial molecules as therapeutic agents to overcome this problem. Antimicrobial peptides from different organisms can serve as the natural defense molecules to combat these pathogenic microorganisms. These are small cationic peptides with diverse range of antimicrobial activity that thwart resistance by bacteria. PRITI BALA , JAINENDRA KUMAR AND NAVIN KUMAR Antimicrobial peptides, Mode of actions, Therapeutic agents. 261-264