Enlarge / Venus fly traps sit on display at the Berlin-Dahlem Botanical Garden on July 20, 2013 in Berlin, Germany. (credit: Getty | Adam Berry)
A verdant garden, softly draped with all manner of greenery, is a tranquil setting to most. But to scientists, it can be tranquilized further.
Just like humans, plants can succumb to the effects of general anesthetic drugs, researchers report this week in the Annals of Botany. The finding is striking for a variety of reasons—there’s the pesky fact that plants lack a central nervous system, for one thing. But, perhaps more noteworthy is that scientists still aren’t sure how general anesthetics work on humans—let alone plants. Despite that, doctors have been using the drugs daily for more than a century to knock people out and avert pain during surgeries and other medical procedures. Yet the drugs’ exact effects on our body’s cells and electrical signals remain elusive.
The authors of the new study, led by Italian and German plant biologists, suggest that plants could help us—once and for all—figure out the drugs’ mechanism of action. Moreover, the researchers are hopeful that after that’s sorted out, plants could be a useful tool to study and develop new anesthetic drugs. “As plants in general, and the model plant [Arabidopsis] thaliana in particular, are suitable to experimental manipulation (they do not run away) and allow easy electrical recordings, we propose them as ideal model objects to study anaesthesia and to serve as a suitable test system for human anaesthesia,” they conclude.
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