Pam Ronald @pcronald.bsky.social · 06/10/2026Bacterial RaxX competes effectively with plant PSY in binding to the PSY receptors, PSYR2 and PSYR3, indicating that RaxX is also perceived by PSYRs in Arabidopsis. 100
Pam Ronald @pcronald.bsky.social · 06/10/2026In Arabidopsis, these receptors represses plant growth and activate stress-response genes when they are not repressed by their peptide hormone ligands.https://www.science.org/doi/10.1126/science.abq5735 100
Pam Ronald @pcronald.bsky.social · 06/10/2026These studies raised the question: what is the function of PSY in rice? Our new PNAS study shows that rice PSY8 promotes root growth under favorable conditions but is repressed during osmotic stress, allowing rice to shift from growth to stress adaptation. 110
