Researchers at the University of California have identified stable antimicrobial peptides (SAMPs) that can help to control the spread of Huanglongbing (HLB), also known as citrus greening disease. These peptides work in two ways: They inhibit the growth of Candidatus Liberibacter asiaticus (CLas) – the bacterium causing the disease – in trees that are HLB-positive and it helps to induce immunity in healthy trees.

SAMP is also heat stable, which makes it more suitable for field applications. In Florida, field trials have been initiated to prove that SAMPs are effective in controlling HLB.

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Chien-Yu Huanga, Jonatan Niño Sánchez, Caroline Ropera, Hailing Jina
Department of Microbiology and Plant Pathology, Center for Plant Cell Biology, University of California

Karla Araujob, Kristine Elvin Godfrey
Contained Research Facility, University of California

Gregory Kund, John Trumblec
Department of Entomology, University of California