Ancient Antimicrobial Peptides from Australian Mammals
Author Information
Author(s): Wang Jianghui, Wong Emily S. W., Whitley Jane C., Li Jian, Stringer Jessica M., Short Kirsty R., Renfree Marilyn B., Belov Katherine, Cocks Benjamin G.
Primary Institution: Biosciences Research Division, Department of Primary Industries, Bundoora, Australia
Hypothesis
Can the antimicrobial peptides from marsupials and monotremes provide new options for combating antibiotic-resistant pathogens?
Conclusion
Marsupial and monotreme young are protected by potent antimicrobial peptides that may lead to the development of novel drugs against multidrug-resistant pathogens.
Supporting Evidence
- Fourteen cathelicidin genes were identified in the tammar wallaby genome.
- Both platypus and tammar peptides were effective in killing a broad range of bacterial pathogens.
- One potent peptide effectively killed multidrug-resistant clinical isolates of Pseudomonas aeruginosa, Klebsiella pneumoniae, and Acinetobacter baumannii.
Takeaway
Some Australian animals have special proteins that can kill germs that don't respond to regular medicine, which could help us make new medicines.
Methodology
The study involved identifying and testing cathelicidin genes from the genomes of the tammar wallaby and the platypus for their antimicrobial properties.
Limitations
Access to platypus samples for research is difficult, limiting the study's scope.
Digital Object Identifier (DOI)
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