Biogenesis and downstream effects of 3',5' and 2',3' cAMP isomers in plants.
Li M, Chodasiewicz M, Muraleedharan M, Lopez IM, Gorka M
Plant Signaling
Every vegetable in your garden quietly runs a chemical communication network to respond to stress, disease, and light — and scientists just discovered that network is twice as complex as we thought.
Plants use tiny chemical signals to coordinate responses to the world around them, much like how your body uses hormones. Scientists knew about one version of a key signaling molecule called cyclic AMP, but largely ignored a second structurally different version. This study shows both versions are active in plants and appear to run as independent, parallel communication channels — meaning plants have a richer internal messaging system than we realized.
Key Findings
2',3'-cAMP, a structural isomer long overlooked in plant biology, is biologically active and present in plants alongside the well-characterized 3',5'-cAMP
The two cAMP isomers function as parallel signaling systems rather than redundant or interchangeable molecules, suggesting distinct roles in plant physiology
The study characterizes both the biogenesis (how each isomer is produced) and downstream effects of each form, providing the first comparative framework for both pathways in plants
chevron_right Technical Summary
Plants use two structural variants of a key chemical messenger (cAMP) that were previously thought to work independently, but new research reveals they form parallel signaling systems. This challenges decades of plant biology focused almost exclusively on one form, opening new questions about how plants sense and respond to their environment.
Abstract Preview
Cyclic adenosine monophosphate (cAMP) is a fundamental second messenger involved in diverse signaling pathways across both animals and plants. While the role of 3',5'-cAMP has been extensively char...
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