Greetings.
If you are refered to the sigma-1 opioid receptor, i will say that they don't have it. But if you do a quick investigation, you'll find more precise info.
hello sir,
i would like to say that there has been no such evidence of existence of sigma-1 receptors in plants yet. it has been a mystery still.
It is a mammalian receptor, but it has 30 % sequence identity and appr. 70% similarity to ERG2 gene product of yeast. This plays a role in Ergosterol biosynthesis.
Dear all, thanks for your replies. I still haven't found any evidence of the existence of this receptor in plants.
My question arises form the fact that certain plants produce n,n-Dimethyltryptamine, an hallucinogenic compound that in humans and rodents binds to the sigma-1 receptor.
Therefore I was wondering why would plants produce such compound that bind to a human receptor but they themselves do not have the receptor for this compound? Of course there might be other receptors in plants that this compound binds to, but I am not sure there is any evidence of this.
Any further thoughts would be much appreciated.
With best regards,
Antonio
Answer to Antonio: plants produce those compounds to defend themselves against organisms that have the appropriate receptors.
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