Identification and characterization of a novel antimicrobial protein from the housefly Musca domestica
2017
Abstract Antimicrobial peptides/proteins are immune-related molecules that are widely distributed in bacteria, fungi, plants, invertebrates and higher animals. They have exhibited great potential to be developed into antimicrobial drugs. The housefly, Musca domestica , lives in a highly contaminated environment and has adapted a robust immune system against various pathogens. As an effort to search for new antimicrobial molecules in the housefly, we investigated the function of an uncharacterized gene firstly by confirming that its expression was induced by infection in M. domestica . The corresponding protein was then shown to have potent antimicrobial activity. Scanning Electron Microscopy data showed that treatment of C. albicans cells with the protein caused cell size decreasing and cell elongation. The results here suggest the protein a novel class of antimicrobial protein and provide new insights into the immunological mechanisms by which M. domestica combats invading C. albicans .
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