Plant kingdom provides antimicrobial candidates

New research discovers peptides from two plants that have antimicrobial effects on bacteria.

Scientists at Trinity College Dublin in Ireland have isolated peptides (strings of amino acids) with antibiotic effects on bacteria that spoil food and cause food poisoning, after turning to the plant kingdom for help in boosting the arsenal in the ongoing war against antibiotic resistance.

The scientists found two small peptides from widely cultivated crop species — one from broad beans and one from cowpea — that were especially effective. Further work then confirmed that when the

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