The avoidance of D-tryptophan by the nematode Caenorhabditis elegans.
In chemotactic studies employing countercurrent separation the nematode aenorhabditis elegans was found to avoid D-tryptophan with a threshold in the range 10(-4) to 10(-3) M. There was no response to L-tryptophan up to 10(-2) M although it appeared to partially inhibit the response to D-tryptophan.
D000818:Animals; D002633:Chemotaxis; D009348:Nematoda / Q000187:drug effects*; D014364:Tryptophan / Q000494:pharmacology*
D014364:Tryptophan