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A natural cyclic peptide valinomycin enhances plant innate immunity

Yoo, N.; Kang, J. E.; Kim, D.-R.; Lee, H.; Ko, D.; Kwak, Y.-S.; Chung, E.-H.

2023-10-27 plant biology
10.1101/2023.10.25.563898 bioRxiv
Show abstract

Various natural compounds as alternative agents for the chemical management of plant diseases have long been proposed. Valinomycin, a Streptomyces-derived cyclic peptide, acts as an antifungal agent against several plant pathogenic fungi, including Botrytis cinerea. Here, we report the novel function of valinomycin, plant immune-boosting. Valinomycin potentiates pattern-triggered immunity (PTI) and effector-triggered immunity (ETI) in Arabidopsis, leading to enhanced resistance against bacterial speck disease locally and systemically. Moreover, this plant immune-boosting activity of valinomycin is associated with plant hormonal signaling. Thus, we propose that valinomycin harbors potential as a biocontrol agent suppressing complex pathogen infections, such as bacteria and fungi.

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.