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Understanding jasmonic acid: A switch that activates autophagy in Arabidopsis petals

A team of researchers from Nara Institute of Science and Technology discovered a phytohormone-mediated switch controlling autophagy, leading to terminal cell differentiation for petal abscission. They found that jasmonic acid promotes petal abscission by activating autophagy at the base of petals.

SourceNara Institute of Science and Technology·JournalNature Communications·TypeExperimental study·DateFeb 7, 2024

A bit touchy: Plants' insect defenses activated by touch

A new study at Rice University reveals that plant defenses are enhanced when plants are touched, triggering an insect defense response. This response is mediated by the plant hormone jasmonate, which plays a critical role in initiating plant defenses against insect-eating insects and some fungal infections.

SourceRice University·JournalCurrent Biology·DateApr 9, 2012